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ОС","\u002Fcsharp\u002Fsystem-programming-windows\u002Fwindows-hooks-services","01.csharp\u002F07.system-programming-windows\u002F20.windows-hooks-services",{"title":376,"path":377,"stem":378},"Системне Програмування C# (Windows) — 07.system-programming-windows","\u002Fcsharp\u002Fsystem-programming-windows\u002Fimplementation_plan","01.csharp\u002F07.system-programming-windows\u002Fimplementation_plan",{"title":380,"icon":132,"path":381,"stem":382,"children":383,"page":59},"Io","\u002Fcsharp\u002Fio","01.csharp\u002F08.io",[384,388,392,396,400],{"title":385,"path":386,"stem":387},"8.1.1. Основи роботи з файловою системою","\u002Fcsharp\u002Fio\u002Ffile-system-basics","01.csharp\u002F08.io\u002F01.file-system-basics",{"title":389,"path":390,"stem":391},"8.1.2. Потоки (Streams) та Серіалізація Даних","\u002Fcsharp\u002Fio\u002Fstreams-serialization","01.csharp\u002F08.io\u002F02.streams-serialization",{"title":393,"path":394,"stem":395},"8.2.1. JSON Serialization з System.Text.Json","\u002Fcsharp\u002Fio\u002Fjson-serialization","01.csharp\u002F08.io\u002F03.json-serialization",{"title":397,"path":398,"stem":399},"8.2.2. XML Serialization та LINQ to XML","\u002Fcsharp\u002Fio\u002Fxml-serialization","01.csharp\u002F08.io\u002F04.xml-serialization",{"title":401,"path":402,"stem":403},"8.2.3. Binary Serialization: MessagePack та Protocol Buffers","\u002Fcsharp\u002Fio\u002Fbinary-serialization","01.csharp\u002F08.io\u002F05.binary-serialization",{"title":405,"icon":132,"path":406,"stem":407,"children":408,"page":59},"Ado Net","\u002Fcsharp\u002Fado-net","01.csharp\u002F09.ado-net",[409,413,417,421,425,429,433,437,441,445,449,453],{"title":410,"path":411,"stem":412},"9.1. Введення в ADO.NET","\u002Fcsharp\u002Fado-net\u002Fintroduction-to-adonet","01.csharp\u002F09.ado-net\u002F01.introduction-to-adonet",{"title":414,"path":415,"stem":416},"9.2. Клас DbConnection — з'єднання з базою даних","\u002Fcsharp\u002Fado-net\u002Fconnection","01.csharp\u002F09.ado-net\u002F02.connection",{"title":418,"path":419,"stem":420},"9.3. Клас DbCommand — виконання SQL-запитів","\u002Fcsharp\u002Fado-net\u002Fcommand-and-queries","01.csharp\u002F09.ado-net\u002F03.command-and-queries",{"title":422,"path":423,"stem":424},"9.4. Клас DbDataReader — ефективне читання даних","\u002Fcsharp\u002Fado-net\u002Fdatareader","01.csharp\u002F09.ado-net\u002F04.datareader",{"title":426,"path":427,"stem":428},"9.5. Параметризовані запити та захист від SQL Injection","\u002Fcsharp\u002Fado-net\u002Fparameters-and-sql-injection","01.csharp\u002F09.ado-net\u002F05.parameters-and-sql-injection",{"title":430,"path":431,"stem":432},"9.6. Транзакції в ADO.NET","\u002Fcsharp\u002Fado-net\u002Ftransactions","01.csharp\u002F09.ado-net\u002F06.transactions",{"title":434,"path":435,"stem":436},"9.7. DbProviderFactory — провайдер-незалежний код","\u002Fcsharp\u002Fado-net\u002Fprovider-factory","01.csharp\u002F09.ado-net\u002F07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","\u002Fcsharp\u002Fado-net\u002Fasync-data-access","01.csharp\u002F09.ado-net\u002F08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","\u002Fcsharp\u002Fado-net\u002Fdisconnected-mode-dataset","01.csharp\u002F09.ado-net\u002F09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","\u002Fcsharp\u002Fado-net\u002Fdata-adapter","01.csharp\u002F09.ado-net\u002F10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","\u002Fcsharp\u002Fado-net\u002Fdata-mapper-repository","01.csharp\u002F09.ado-net\u002F11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","\u002Fcsharp\u002Fado-net\u002Fadvanced-patterns","01.csharp\u002F09.ado-net\u002F12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","\u002Fcsharp\u002Fef-core","01.csharp\u002F10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","\u002Fcsharp\u002Fef-core\u002Fwhat-is-orm","01.csharp\u002F10.ef-core\u002F01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","\u002Fcsharp\u002Fef-core\u002Ffirst-project","01.csharp\u002F10.ef-core\u002F02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","\u002Fcsharp\u002Fef-core\u002Fdbcontext-deep-dive","01.csharp\u002F10.ef-core\u002F03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","\u002Fcsharp\u002Fef-core\u002Fdatabase-providers","01.csharp\u002F10.ef-core\u002F04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","\u002Fcsharp\u002Fef-core\u002Fconventions","01.csharp\u002F10.ef-core\u002F05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","\u002Fcsharp\u002Fef-core\u002Ffluent-api-vs-annotations","01.csharp\u002F10.ef-core\u002F06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","\u002Fcsharp\u002Fef-core\u002Frelationships-basics","01.csharp\u002F10.ef-core\u002F07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","\u002Fcsharp\u002Fef-core\u002Frelationships-advanced","01.csharp\u002F10.ef-core\u002F08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part1","01.csharp\u002F10.ef-core\u002F09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part2","01.csharp\u002F10.ef-core\u002F09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part1","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part2","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part1","01.csharp\u002F10.ef-core\u002F11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part2","01.csharp\u002F10.ef-core\u002F11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finheritance-part1","01.csharp\u002F10.ef-core\u002F12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finheritance-part2","01.csharp\u002F10.ef-core\u002F12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part1","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part2","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fseeding-part1","01.csharp\u002F10.ef-core\u002F14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fseeding-part2","01.csharp\u002F10.ef-core\u002F14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part1","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part2","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part1","01.csharp\u002F10.ef-core\u002F16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part2","01.csharp\u002F10.ef-core\u002F16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part1","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part2","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part1","01.csharp\u002F10.ef-core\u002F18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part2","01.csharp\u002F10.ef-core\u002F18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part1","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part2","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part1","01.csharp\u002F10.ef-core\u002F20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part2","01.csharp\u002F10.ef-core\u002F20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part1","01.csharp\u002F10.ef-core\u002F21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part2","01.csharp\u002F10.ef-core\u002F21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part1","01.csharp\u002F10.ef-core\u002F22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part2","01.csharp\u002F10.ef-core\u002F22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part1","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part2","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part1","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part2","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part1","01.csharp\u002F10.ef-core\u002F25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part2","01.csharp\u002F10.ef-core\u002F25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fperformance-fundamentals-part1","01.csharp\u002F10.ef-core\u002F26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part1","01.csharp\u002F10.ef-core\u002F29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part2","01.csharp\u002F10.ef-core\u002F29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","\u002Fcsharp\u002Fef-core\u002Fimplementation_plan","01.csharp\u002F10.ef-core\u002Fimplementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","\u002Fcsharp\u002Faspnet","01.csharp\u002F11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289,1346],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","\u002Fcsharp\u002Faspnet\u002Fminimal-api","01.csharp\u002F11.aspnet\u002F01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fintroduction","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Ffirst-application","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fwebapplication-builder","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frequest-pipeline-middleware","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-files","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-assets","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-fundamentals","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-options","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstate-management","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fsession-state","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fproject-structure","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fscalar-openapi-fluent","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger \u002F Swashbuckle у Minimal API: окремий класичний шлях","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fswagger-swashbuckle","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","\u002Fcsharp\u002Faspnet\u002Fapi","01.csharp\u002F11.aspnet\u002F02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fwhat-is-api","01.csharp\u002F11.aspnet\u002F02.api\u002F01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fdata-formats","01.csharp\u002F11.aspnet\u002F02.api\u002F02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-paradigms-rest","01.csharp\u002F11.aspnet\u002F02.api\u002F03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fhttp-methods-status-codes","01.csharp\u002F11.aspnet\u002F02.api\u002F04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Frest-organizing","01.csharp\u002F11.aspnet\u002F02.api\u002F05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","\u002Fcsharp\u002Faspnet\u002Fapi\u002Furl-nomenclature-crud","01.csharp\u002F11.aspnet\u002F02.api\u002F06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-naming","01.csharp\u002F11.aspnet\u002F02.api\u002F07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-validation","01.csharp\u002F11.aspnet\u002F02.api\u002F08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Ferror-handling-http","01.csharp\u002F11.aspnet\u002F02.api\u002F09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fidempotency-sync","01.csharp\u002F11.aspnet\u002F02.api\u002F10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fpagination-lists","01.csharp\u002F11.aspnet\u002F02.api\u002F11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fsecurity-auth","01.csharp\u002F11.aspnet\u002F02.api\u002F12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-process","01.csharp\u002F11.aspnet\u002F02.api\u002F13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fopenapi","01.csharp\u002F11.aspnet\u002F02.api\u002F14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","\u002Fcsharp\u002Faspnet\u002Fauth","01.csharp\u002F11.aspnet\u002F03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauth-fundamentals","01.csharp\u002F11.aspnet\u002F03.auth\u002F01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fjwt-authentication","01.csharp\u002F11.aspnet\u002F03.auth\u002F02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauthorization-policies","01.csharp\u002F11.aspnet\u002F03.auth\u002F03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcookie-auth-identity","01.csharp\u002F11.aspnet\u002F03.auth\u002F04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","\u002Fcsharp\u002Faspnet\u002Fauth\u002F04b.identity-auth-jwt","01.csharp\u002F11.aspnet\u002F03.auth\u002F04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-email-confirmation","01.csharp\u002F11.aspnet\u002F03.auth\u002F05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-two-factor","01.csharp\u002F11.aspnet\u002F03.auth\u002F06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-internals","01.csharp\u002F11.aspnet\u002F03.auth\u002F07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-external-providers","01.csharp\u002F11.aspnet\u002F03.auth\u002F08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fsecurity-hardening","01.csharp\u002F11.aspnet\u002F03.auth\u002F09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-theory","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foidc-keycloak","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fapi-keys","01.csharp\u002F11.aspnet\u002F03.auth\u002F11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frate-limiting","01.csharp\u002F11.aspnet\u002F03.auth\u002F12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frefresh-token-rotation","01.csharp\u002F11.aspnet\u002F03.auth\u002F13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcertificate-auth","01.csharp\u002F11.aspnet\u002F03.auth\u002F14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frbac-abac-rebac","01.csharp\u002F11.aspnet\u002F03.auth\u002F15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fmulti-tenancy","01.csharp\u002F11.aspnet\u002F03.auth\u002F16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","\u002Fcsharp\u002Faspnet\u002Fnotifications","01.csharp\u002F11.aspnet\u002F04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fin-app-database-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fpolling","01.csharp\u002F11.aspnet\u002F04.notifications\u002F02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fserver-sent-events","01.csharp\u002F11.aspnet\u002F04.notifications\u002F03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fwebsockets","01.csharp\u002F11.aspnet\u002F04.notifications\u002F04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fsignalr","01.csharp\u002F11.aspnet\u002F04.notifications\u002F05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fbackground-services","01.csharp\u002F11.aspnet\u002F04.notifications\u002F06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fweb-push","01.csharp\u002F11.aspnet\u002F04.notifications\u002F07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Femail-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fchoosing-the-right-approach","01.csharp\u002F11.aspnet\u002F04.notifications\u002F09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire","01.csharp\u002F11.aspnet\u002F04.notifications\u002F10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-image-webp","01.csharp\u002F11.aspnet\u002F04.notifications\u002F11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-video-hls","01.csharp\u002F11.aspnet\u002F04.notifications\u002F12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Ftelegram-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","\u002Fcsharp\u002Faspnet\u002Fi18n","01.csharp\u002F11.aspnet\u002F05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Finternationalization","01.csharp\u002F11.aspnet\u002F05.i18n\u002F01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Fhumanizer","01.csharp\u002F11.aspnet\u002F05.i18n\u002F02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","\u002Fcsharp\u002Faspnet\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching\u002F01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fmemory-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fdistributed-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fresponse-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Foutput-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","\u002Fcsharp\u002Faspnet\u002Ftesting","01.csharp\u002F11.aspnet\u002F07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-is-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-pyramid","01.csharp\u002F11.aspnet\u002F07.testing\u002F02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-schools","01.csharp\u002F11.aspnet\u002F07.testing\u002F03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftdd-and-bdd","01.csharp\u002F11.aspnet\u002F07.testing\u002F04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-to-test","01.csharp\u002F11.aspnet\u002F07.testing\u002F05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftest-frameworks","01.csharp\u002F11.aspnet\u002F07.testing\u002F06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-basics","01.csharp\u002F11.aspnet\u002F07.testing\u002F07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fmocking-with-moq","01.csharp\u002F11.aspnet\u002F07.testing\u002F09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fdatabase-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","\u002Fcsharp\u002Faspnet\u002Ftesting\u002F11a.integration-testing-practice","01.csharp\u002F11.aspnet\u002F07.testing\u002F11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fpostman-professional","01.csharp\u002F11.aspnet\u002F07.testing\u002F13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fhttpclient-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwiremock-net","01.csharp\u002F11.aspnet\u002F07.testing\u002F15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-patterns","01.csharp\u002F11.aspnet\u002F07.testing\u002F16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fadvanced-testing-tools","01.csharp\u002F11.aspnet\u002F07.testing\u002F17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Farchitecture-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fperformance-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fremaining_plan","01.csharp\u002F11.aspnet\u002F07.testing\u002Fremaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","\u002Fcsharp\u002Faspnet\u002Fpayments","01.csharp\u002F11.aspnet\u002F08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-fundamentals","01.csharp\u002F11.aspnet\u002F08.payments\u002F01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-methods-ukraine","01.csharp\u002F11.aspnet\u002F08.payments\u002F02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpci-dss-security","01.csharp\u002F11.aspnet\u002F08.payments\u002F03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-architecture","01.csharp\u002F11.aspnet\u002F08.payments\u002F04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fliqpay-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fmonobank-acquiring","01.csharp\u002F11.aspnet\u002F08.payments\u002F06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fstripe-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fwebhooks-deep-dive","01.csharp\u002F11.aspnet\u002F08.payments\u002F08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fsubscriptions-recurring","01.csharp\u002F11.aspnet\u002F08.payments\u002F09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Frefunds-disputes","01.csharp\u002F11.aspnet\u002F08.payments\u002F10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Ftesting-payments","01.csharp\u002F11.aspnet\u002F08.payments\u002F11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fproduction-checklist","01.csharp\u002F11.aspnet\u002F08.payments\u002F12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","\u002Fcsharp\u002Faspnet\u002Flibraries","01.csharp\u002F11.aspnet\u002F09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-validation","01.csharp\u002F11.aspnet\u002F09.libraries\u002F01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmapster","01.csharp\u002F11.aspnet\u002F09.libraries\u002F02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ferroror-result-pattern","01.csharp\u002F11.aspnet\u002F09.libraries\u002F03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fserilog","01.csharp\u002F11.aspnet\u002F09.libraries\u002F04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmediatr","01.csharp\u002F11.aspnet\u002F09.libraries\u002F05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fpolly","01.csharp\u002F11.aspnet\u002F09.libraries\u002F06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F09.libraries\u002F07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffeature-management","01.csharp\u002F11.aspnet\u002F09.libraries\u002F08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-email","01.csharp\u002F11.aspnet\u002F09.libraries\u002F09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fquest-pdf","01.csharp\u002F11.aspnet\u002F09.libraries\u002F10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fbogus","01.csharp\u002F11.aspnet\u002F09.libraries\u002F11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhumanizer-guard","01.csharp\u002F11.aspnet\u002F09.libraries\u002F12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fplan","01.csharp\u002F11.aspnet\u002F09.libraries\u002Fplan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","\u002Fcsharp\u002Faspnet\u002Frazor-pages","01.csharp\u002F11.aspnet\u002F10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ffrom-minimal-api","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fpage-model","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Frazor-syntax","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ftag-helpers","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fforms-validation","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fproject-task-manager","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc","01.csharp\u002F11.aspnet\u002F11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-pattern","01.csharp\u002F11.aspnet\u002F11.mvc\u002F01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffrom-razor-pages","01.csharp\u002F11.aspnet\u002F11.mvc\u002F02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fcontrollers-actions","01.csharp\u002F11.aspnet\u002F11.mvc\u002F03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Frouting-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmodel-binding","01.csharp\u002F11.aspnet\u002F11.mvc\u002F05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fviews-viewdata-tempdata","01.csharp\u002F11.aspnet\u002F11.mvc\u002F06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffilters","01.csharp\u002F11.aspnet\u002F11.mvc\u002F07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fareas","01.csharp\u002F11.aspnet\u002F11.mvc\u002F08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fview-components","01.csharp\u002F11.aspnet\u002F11.mvc\u002F09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fdisplay-editor-templates","01.csharp\u002F11.aspnet\u002F11.mvc\u002F10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fvalidation-advanced","01.csharp\u002F11.aspnet\u002F11.mvc\u002F11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx","01.csharp\u002F11.aspnet\u002F11.mvc\u002F12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fajax-htmx-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffile-upload","01.csharp\u002F11.aspnet\u002F11.mvc\u002F15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fglobalization-localization","01.csharp\u002F11.aspnet\u002F11.mvc\u002F16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fplan","01.csharp\u002F11.aspnet\u002F11.mvc\u002Fplan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","\u002Fcsharp\u002Faspnet\u002Fweb-api","01.csharp\u002F11.aspnet\u002F12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffrom-minimal-api-to-controllers","01.csharp\u002F11.aspnet\u002F12.web-api\u002F01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontroller-base-actionresult","01.csharp\u002F11.aspnet\u002F12.web-api\u002F02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontent-negotiation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-versioning","01.csharp\u002F11.aspnet\u002F12.web-api\u002F04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fproblemdetails-error-handling","01.csharp\u002F11.aspnet\u002F12.web-api\u002F05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffilters-for-api","01.csharp\u002F11.aspnet\u002F12.web-api\u002F06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fpagination-filtering-sorting","01.csharp\u002F11.aspnet\u002F12.web-api\u002F07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhateoas-resource-expansion","01.csharp\u002F11.aspnet\u002F12.web-api\u002F08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fminimal-api-vs-controllers-hybrid","01.csharp\u002F11.aspnet\u002F12.web-api\u002F09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-documentation-generation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhealth-checks-monitoring","01.csharp\u002F11.aspnet\u002F12.web-api\u002F11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fweb-api-project","01.csharp\u002F11.aspnet\u002F12.web-api\u002F12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fplan","01.csharp\u002F11.aspnet\u002F12.web-api\u002Fplan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Моніторинг","i-lucide-activity","\u002Fcsharp\u002Faspnet\u002Fmonitoring","01.csharp\u002F11.aspnet\u002F13.monitoring",[1352,1356,1360],{"title":1353,"path":1354,"stem":1355},"Спостережуваність: від console.log до production-систем","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fobservability-intro","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F01.observability-intro",{"title":1357,"path":1358,"stem":1359},"Health Checks: перший рівень observability","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F02.health-checks",{"title":1361,"path":1362,"stem":1363},"Вбудовані метрики .NET 10 та System.Diagnostics.Metrics","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fdotnet-metrics","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F03.dotnet-metrics",{"title":1365,"icon":1366,"path":1367,"stem":1368,"children":1369,"page":59},"Desktop UI","i-lucide-app-window","\u002Fcsharp\u002Fdesktop-ui","01.csharp\u002F12.desktop-ui",[1370,1374,1378,1382,1386,1390,1394,1398,1402,1406,1410,1414,1418,1422,1426,1430,1434,1438,1442,1446,1450,1454,1458,1462,1466,1470,1474,1478,1482,1486,1490,1494,1498,1502,1506,1510,1514,1518,1522,1526,1530,1534,1538,1542,1546,1550,1554,1558,1562,1566,1570,1574,1578,1582,1586,1590,1594,1598,1602,1606,1610,1614,1618,1622,1626,1630,1634,1638,1642,1646,1650],{"title":1371,"path":1372,"stem":1373},"Що таке десктопна розробка?","\u002Fcsharp\u002Fdesktop-ui\u002Fwhat-is-desktop-dev","01.csharp\u002F12.desktop-ui\u002F01.what-is-desktop-dev",{"title":1375,"path":1376,"stem":1377},"Архітектура WPF — як влаштований графічний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-architecture","01.csharp\u002F12.desktop-ui\u002F02.wpf-architecture",{"title":1379,"path":1380,"stem":1381},"Перший WPF-проєкт — від нуля до вікна","\u002Fcsharp\u002Fdesktop-ui\u002Ffirst-wpf-app","01.csharp\u002F12.desktop-ui\u002F03.first-wpf-app",{"title":1383,"path":1384,"stem":1385},"Перший Avalonia-проєкт: WPF для всіх платформ","\u002Fcsharp\u002Fdesktop-ui\u002F03a.first-avalonia-app","01.csharp\u002F12.desktop-ui\u002F03a.first-avalonia-app",{"title":1387,"path":1388,"stem":1389},"XAML: декларативний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-basics","01.csharp\u002F12.desktop-ui\u002F04.xaml-basics",{"title":1391,"path":1392,"stem":1393},"Fluent UI у WPF — сучасний дизайн Windows 11","\u002Fcsharp\u002Fdesktop-ui\u002F04a.wpf-fluent-ui","01.csharp\u002F12.desktop-ui\u002F04a.wpf-fluent-ui",{"title":1395,"path":1396,"stem":1397},"WPF UI — сучасна бібліотека Fluent контролів","\u002Fcsharp\u002Fdesktop-ui\u002F04b.wpf-ui-library","01.csharp\u002F12.desktop-ui\u002F04b.wpf-ui-library",{"title":1399,"path":1400,"stem":1401},"HandyControl — велика бібліотека UI контролів для WPF","\u002Fcsharp\u002Fdesktop-ui\u002F04c.handycontrol-library","01.csharp\u002F12.desktop-ui\u002F04c.handycontrol-library",{"title":1403,"path":1404,"stem":1405},"Простори імен та ресурси XAML","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-namespaces-resources","01.csharp\u002F12.desktop-ui\u002F05.xaml-namespaces-resources",{"title":1407,"path":1408,"stem":1409},"XAML в Avalonia: ключові відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F05a.avalonia-xaml-differences","01.csharp\u002F12.desktop-ui\u002F05a.avalonia-xaml-differences",{"title":1411,"path":1412,"stem":1413},"Розширення розмітки XAML (Markup Extensions)","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-markup-extensions","01.csharp\u002F12.desktop-ui\u002F06.xaml-markup-extensions",{"title":1415,"path":1416,"stem":1417},"Панелі Layout: StackPanel, WrapPanel, DockPanel","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part1","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part1",{"title":1419,"path":1420,"stem":1421},"Grid, Canvas, UniformGrid","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part2","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part2",{"title":1423,"path":1424,"stem":1425},"Просунуті техніки Layout","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-advanced","01.csharp\u002F12.desktop-ui\u002F08.layout-advanced",{"title":1427,"path":1428,"stem":1429},"Адаптивний Layout та найкращі практики","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-responsive","01.csharp\u002F12.desktop-ui\u002F09.layout-responsive",{"title":1431,"path":1432,"stem":1433},"Layout в Avalonia: відмінності та нові можливості","\u002Fcsharp\u002Fdesktop-ui\u002F09a.layout-avalonia","01.csharp\u002F12.desktop-ui\u002F09a.layout-avalonia",{"title":1435,"path":1436,"stem":1437},"Button, Image, ProgressBar та інші базові контроли","\u002Fcsharp\u002Fdesktop-ui\u002Fbasic-controls","01.csharp\u002F12.desktop-ui\u002F10.basic-controls",{"title":1439,"path":1440,"stem":1441},"Контроли в Avalonia: відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F10a.controls-avalonia","01.csharp\u002F12.desktop-ui\u002F10a.controls-avalonia",{"title":1443,"path":1444,"stem":1445},"Текстові контроли — TextBlock, TextBox, RichTextBox","\u002Fcsharp\u002Fdesktop-ui\u002Ftext-controls","01.csharp\u002F12.desktop-ui\u002F11.text-controls",{"title":1447,"path":1448,"stem":1449},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","\u002Fcsharp\u002Fdesktop-ui\u002Fselection-controls","01.csharp\u002F12.desktop-ui\u002F12.selection-controls",{"title":1451,"path":1452,"stem":1453},"Content Model — GroupBox, Expander, TabControl, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fcontent-controls","01.csharp\u002F12.desktop-ui\u002F13.content-controls",{"title":1455,"path":1456,"stem":1457},"UI\u002FUX принципи десктопних застосунків","\u002Fcsharp\u002Fdesktop-ui\u002F13a.ui-ux-principles","01.csharp\u002F12.desktop-ui\u002F13a.ui-ux-principles",{"title":1459,"path":1460,"stem":1461},"Dependency Properties — Концепція та Value Resolution","\u002Fcsharp\u002Fdesktop-ui\u002Fdependency-properties-part1","01.csharp\u002F12.desktop-ui\u002F14.dependency-properties-part1",{"title":1463,"path":1464,"stem":1465},"Avalonia Property System — StyledProperty та DirectProperty","\u002Fcsharp\u002Fdesktop-ui\u002F14a.avalonia-property-system","01.csharp\u002F12.desktop-ui\u002F14a.avalonia-property-system",{"title":1467,"path":1468,"stem":1469},"Attached Properties — Властивості без меж","\u002Fcsharp\u002Fdesktop-ui\u002Fattached-properties","01.csharp\u002F12.desktop-ui\u002F15.attached-properties",{"title":1471,"path":1472,"stem":1473},"Routed Events — Маршрутизація подій у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Frouted-events","01.csharp\u002F12.desktop-ui\u002F16.routed-events",{"title":1475,"path":1476,"stem":1477},"Data Binding — Від Code-Behind до Декларативності","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part1","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part1",{"title":1479,"path":1480,"stem":1481},"INotifyPropertyChanged — Живе оновлення UI","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part2","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part2",{"title":1483,"path":1484,"stem":1485},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","\u002Fcsharp\u002Fdesktop-ui\u002F17a.avalonia-compiled-bindings","01.csharp\u002F12.desktop-ui\u002F17a.avalonia-compiled-bindings",{"title":1487,"path":1488,"stem":1489},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-advanced","01.csharp\u002F12.desktop-ui\u002F18.data-binding-advanced",{"title":1491,"path":1492,"stem":1493},"Value Converters — Перетворення типів даних у Data Binding","\u002Fcsharp\u002Fdesktop-ui\u002Fvalue-converters","01.csharp\u002F12.desktop-ui\u002F19.value-converters",{"title":1495,"path":1496,"stem":1497},"Data Templates — Візуалізація об'єктів у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-templates","01.csharp\u002F12.desktop-ui\u002F20.data-templates",{"title":1499,"path":1500,"stem":1501},"Collections Binding Part 1 — ObservableCollection та ItemsControl","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part1","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part1",{"title":1503,"path":1504,"stem":1505},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part2","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part2",{"title":1507,"path":1508,"stem":1509},"MVVM Pattern — Від Spaghetti Code до архітектури","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-pattern","01.csharp\u002F12.desktop-ui\u002F22.mvvm-pattern",{"title":1511,"path":1512,"stem":1513},"ViewModel Implementation — Від BaseViewModel до валідації","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-implementation","01.csharp\u002F12.desktop-ui\u002F23.viewmodel-implementation",{"title":1515,"path":1516,"stem":1517},"Commands — Від event handlers до декларативних команд","\u002Fcsharp\u002Fdesktop-ui\u002Fcommands","01.csharp\u002F12.desktop-ui\u002F24.commands",{"title":1519,"path":1520,"stem":1521},"MVVM Toolkit — MVVM без boilerplate через Source Generators","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-toolkit","01.csharp\u002F12.desktop-ui\u002F25.mvvm-toolkit",{"title":1523,"path":1524,"stem":1525},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","\u002Fcsharp\u002Fdesktop-ui\u002Fmessenger-pattern","01.csharp\u002F12.desktop-ui\u002F26.messenger-pattern",{"title":1527,"path":1528,"stem":1529},"Стилі WPF — CSS для десктопу","\u002Fcsharp\u002Fdesktop-ui\u002Fstyles-basics","01.csharp\u002F12.desktop-ui\u002F27.styles-basics",{"title":1531,"path":1532,"stem":1533},"CSS-like стилі Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F27a.avalonia-css-styling","01.csharp\u002F12.desktop-ui\u002F27a.avalonia-css-styling",{"title":1535,"path":1536,"stem":1537},"Control Templates — Частина 1. Концепція та TemplateBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part1","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part1",{"title":1539,"path":1540,"stem":1541},"Control Templates — Частина 2. Named Parts та ContentPresenter","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part2","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part2",{"title":1543,"path":1544,"stem":1545},"Control Themes в Avalonia — нова ера стилізації","\u002Fcsharp\u002Fdesktop-ui\u002F28a.avalonia-control-themes","01.csharp\u002F12.desktop-ui\u002F28a.avalonia-control-themes",{"title":1547,"path":1548,"stem":1549},"Triggers та Visual State Manager у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Ftriggers-visual-states","01.csharp\u002F12.desktop-ui\u002F29.triggers-visual-states",{"title":1551,"path":1552,"stem":1553},"Pseudo-classes в Avalonia — замість WPF Triggers","\u002Fcsharp\u002Fdesktop-ui\u002F29a.avalonia-pseudo-classes","01.csharp\u002F12.desktop-ui\u002F29a.avalonia-pseudo-classes",{"title":1555,"path":1556,"stem":1557},"Теми та ресурсні словники у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fresources-themes","01.csharp\u002F12.desktop-ui\u002F30.resources-themes",{"title":1559,"path":1560,"stem":1561},"Avalonia Themes — Fluent Design та система тематизації","\u002Fcsharp\u002Fdesktop-ui\u002F30a.avalonia-themes-fluent","01.csharp\u002F12.desktop-ui\u002F30a.avalonia-themes-fluent",{"title":1563,"path":1564,"stem":1565},"Контроли колекцій — глибоке занурення","\u002Fcsharp\u002Fdesktop-ui\u002Fcollection-controls","01.csharp\u002F12.desktop-ui\u002F31.collection-controls",{"title":1567,"path":1568,"stem":1569},"DataGrid — колонки та базове відображення","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part1","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part1",{"title":1571,"path":1572,"stem":1573},"DataGrid — сортування, фільтрація, редагування","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part2","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part2",{"title":1575,"path":1576,"stem":1577},"TreeView та GridView","\u002Fcsharp\u002Fdesktop-ui\u002Ftreeview-listview","01.csharp\u002F12.desktop-ui\u002F33.treeview-listview",{"title":1579,"path":1580,"stem":1581},"Меню, Toolbar, ContextMenu, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fmenus-toolbars","01.csharp\u002F12.desktop-ui\u002F34.menus-toolbars",{"title":1583,"path":1584,"stem":1585},"Навігація та керування вікнами. Частина 1: вікна та сторінки","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part1","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part1",{"title":1587,"path":1588,"stem":1589},"Навігація та керування вікнами. Частина 2: MVVM-навігація","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part2","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part2",{"title":1591,"path":1592,"stem":1593},"Avalonia — Навігація та діалоги","\u002Fcsharp\u002Fdesktop-ui\u002F35a.avalonia-navigation-dialogs","01.csharp\u002F12.desktop-ui\u002F35a.avalonia-navigation-dialogs",{"title":1595,"path":1596,"stem":1597},"Діалоги та File Pickers у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdialogs-file-pickers","01.csharp\u002F12.desktop-ui\u002F36.dialogs-file-pickers",{"title":1599,"path":1600,"stem":1601},"UserControl: компонентний підхід у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fuser-controls","01.csharp\u002F12.desktop-ui\u002F37.user-controls",{"title":1603,"path":1604,"stem":1605},"Custom Controls: Lookless Controls у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fcustom-controls","01.csharp\u002F12.desktop-ui\u002F38.custom-controls",{"title":1607,"path":1608,"stem":1609},"Avalonia TemplatedControl — Lookless Controls","\u002Fcsharp\u002Fdesktop-ui\u002F38a.avalonia-templated-controls","01.csharp\u002F12.desktop-ui\u002F38a.avalonia-templated-controls",{"title":1611,"path":1612,"stem":1613},"Анімації у WPF: Storyboard та Easing Functions","\u002Fcsharp\u002Fdesktop-ui\u002Fanimations-transitions","01.csharp\u002F12.desktop-ui\u002F39.animations-transitions",{"title":1615,"path":1616,"stem":1617},"Анімації в Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F39a.avalonia-animations","01.csharp\u002F12.desktop-ui\u002F39a.avalonia-animations",{"title":1619,"path":1620,"stem":1621},"2D Графіка та Мультимедіа у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fmedia-graphics","01.csharp\u002F12.desktop-ui\u002F40.media-graphics",{"title":1623,"path":1624,"stem":1625},"Dependency Injection у WPF та Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Fdi-integration","01.csharp\u002F12.desktop-ui\u002F41.di-integration",{"title":1627,"path":1628,"stem":1629},"SQLite та EF Core у десктопних додатках","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part1","01.csharp\u002F12.desktop-ui\u002F42.data-persistence-part1",{"title":1631,"path":1632,"stem":1633},"Repository Pattern та Unit of Work","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part2","01.csharp\u002F12.desktop-ui\u002F43.data-persistence-part2",{"title":1635,"path":1636,"stem":1637},"Тестування ViewModels","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-testing","01.csharp\u002F12.desktop-ui\u002F44.viewmodel-testing",{"title":1639,"path":1640,"stem":1641},"Avalonia Headless Testing — тестування UI без вікон","\u002Fcsharp\u002Fdesktop-ui\u002F44a.avalonia-headless-testing","01.csharp\u002F12.desktop-ui\u002F44a.avalonia-headless-testing",{"title":1643,"path":1644,"stem":1645},"Кросплатформна розробка з Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-cross-platform","01.csharp\u002F12.desktop-ui\u002F45.avalonia-cross-platform",{"title":1647,"path":1648,"stem":1649},"Пакування та розгортання Avalonia додатків","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F46.avalonia-packaging-deployment",{"title":1651,"path":1652,"stem":1653},"Розгортання WPF застосунків","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F47.wpf-packaging-deployment",{"title":1655,"icon":658,"path":1656,"stem":1657,"children":1658,"page":59},"Network Programming","\u002Fcsharp\u002Fnetwork-programming","01.csharp\u002F13.network-programming",[1659,1663,1667,1671,1675,1679,1683,1687,1691,1695,1699],{"title":1660,"path":1661,"stem":1662},"Основи комп'ютерних мереж","\u002Fcsharp\u002Fnetwork-programming\u002Ffoundations","01.csharp\u002F13.network-programming\u002F01.foundations",{"title":1664,"path":1665,"stem":1666},"Модель OSI та стек TCP\u002FIP","\u002Fcsharp\u002Fnetwork-programming\u002Fosi-model","01.csharp\u002F13.network-programming\u002F02.osi-model",{"title":1668,"path":1669,"stem":1670},"IP-протокол та адресація","\u002Fcsharp\u002Fnetwork-programming\u002Fip-addressing","01.csharp\u002F13.network-programming\u002F03.ip-addressing",{"title":1672,"path":1673,"stem":1674},"UDP — протокол без з'єднання","\u002Fcsharp\u002Fnetwork-programming\u002Fudp","01.csharp\u002F13.network-programming\u002F05.udp",{"title":1676,"path":1677,"stem":1678},"UDP Broadcast та Multicast","\u002Fcsharp\u002Fnetwork-programming\u002Fudp-broadcast-multicast","01.csharp\u002F13.network-programming\u002F06.udp-broadcast-multicast",{"title":1680,"path":1681,"stem":1682},"HTTP — протокол вебу","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-fundamentals","01.csharp\u002F13.network-programming\u002F07.http-fundamentals",{"title":1684,"path":1685,"stem":1686},"HttpListener — вбудований HTTP-сервер .NET","\u002Fcsharp\u002Fnetwork-programming\u002F07a.http-listener","01.csharp\u002F13.network-programming\u002F07a.http-listener",{"title":1688,"path":1689,"stem":1690},"HTTP Advanced — cookies, аутентифікація та HTTPS","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-advanced","01.csharp\u002F13.network-programming\u002F08.http-advanced",{"title":1692,"path":1693,"stem":1694},"SMTP та протоколи електронної пошти","\u002Fcsharp\u002Fnetwork-programming\u002Fsmtp","01.csharp\u002F13.network-programming\u002F09.smtp",{"title":1696,"path":1697,"stem":1698},"WebSocket — повнодуплексний протокол реального часу","\u002Fcsharp\u002Fnetwork-programming\u002Fwebsockets","01.csharp\u002F13.network-programming\u002F10.websockets",{"title":1700,"path":1701,"stem":1702},"TLS\u002FSSL — криптографічний захист мережевих з'єднань","\u002Fcsharp\u002Fnetwork-programming\u002Ftls-ssl","01.csharp\u002F13.network-programming\u002F11.tls-ssl",{"title":1704,"path":1705,"stem":1706},"C# & .NET: The Ultimate Roadmap","\u002Fcsharp\u002Froadmap","01.csharp\u002Froadmap",{"title":1708,"icon":1709,"path":1710,"stem":1711,"children":1712,"page":59},"C++","i-devicon-cplusplus","\u002Fcpp","02.cpp",[1713,1717,1721,1725,1729,1733,1737,1741,1745,1748,1752,1756,1760,1764,1768,1772,1776,1780,1784,1788,1792,1796,1800,1804,1808,1812,1816,1820,1824,1828,1832,1836,1840,1844,1848,1852,1856,1860,1864,1868,1872,1876,1880,1884,1888,1892,1896,1900,1904,1908,1912,1916,1920,1924,1928,1932,1936,1940,1944,1948,1952,1956,1960,1964,1968,1972,1976,1980,1984,1988,1992,1996,2000,2004,2008,2012,2016,2020,2024,2028,2032,2036],{"title":1714,"path":1715,"stem":1716},"Вступ у програмування та алгоритми","\u002Fcpp\u002Fintro-algorithms","02.cpp\u002F01.intro-algorithms",{"title":1718,"path":1719,"stem":1720},"Code Style: угоди про оформлення коду","\u002Fcpp\u002Fcode-style","02.cpp\u002F02.code-style",{"title":1722,"path":1723,"stem":1724},"Середовище розробки та перший проєкт","\u002Fcpp\u002Fide-setup","02.cpp\u002F03.ide-setup",{"title":1726,"path":1727,"stem":1728},"Вивід даних на екран","\u002Fcpp\u002Fdata-output","02.cpp\u002F04.data-output",{"title":1730,"path":1731,"stem":1732},"Типи даних, змінні та константи","\u002Fcpp\u002Fdata-types-variables","02.cpp\u002F05.data-types-variables",{"title":1734,"path":1735,"stem":1736},"Ввід даних з клавіатури","\u002Fcpp\u002Fdata-input","02.cpp\u002F06.data-input",{"title":1738,"path":1739,"stem":1740},"Оператори, перетворення типів та логічні операції","\u002Fcpp\u002Foperators-type-conversion","02.cpp\u002F07.operators-type-conversion",{"title":1742,"path":1743,"stem":1744},"Цикли","\u002Fcpp\u002Floops","02.cpp\u002F08.loops",{"title":32,"path":1746,"stem":1747},"\u002Fcpp\u002Farrays","02.cpp\u002F09.arrays",{"title":1749,"path":1750,"stem":1751},"Алгоритми сортування та аналіз складності","\u002Fcpp\u002Fsorting","02.cpp\u002F10.sorting",{"title":1753,"path":1754,"stem":1755},"Алгоритми пошуку","\u002Fcpp\u002Fsearching","02.cpp\u002F11.searching",{"title":1757,"path":1758,"stem":1759},"Функції: основи","\u002Fcpp\u002Ffunctions-basics","02.cpp\u002F12.functions-basics",{"title":1761,"path":1762,"stem":1763},"Функції: прототипи, область видимості та додаткові можливості","\u002Fcpp\u002Ffunctions-scope","02.cpp\u002F13.functions-scope",{"title":1765,"path":1766,"stem":1767},"Функції: перевантаження та шаблони","\u002Fcpp\u002Ffunctions-overloading-templates","02.cpp\u002F14.functions-overloading-templates",{"title":1769,"path":1770,"stem":1771},"Вказівники: основи","\u002Fcpp\u002Fpointers-basics","02.cpp\u002F15.pointers-basics",{"title":1773,"path":1774,"stem":1775},"Посилання (References)","\u002Fcpp\u002Freferences","02.cpp\u002F16.references",{"title":1777,"path":1778,"stem":1779},"Вказівники, const і масиви","\u002Fcpp\u002Fpointers-const-arrays","02.cpp\u002F17.pointers-const-arrays",{"title":1781,"path":1782,"stem":1783},"Адресна арифметика","\u002Fcpp\u002Fpointer-arithmetic","02.cpp\u002F18.pointer-arithmetic",{"title":1785,"path":1786,"stem":1787},"Динамічна пам'ять","\u002Fcpp\u002Fdynamic-memory","02.cpp\u002F19.dynamic-memory",{"title":1789,"path":1790,"stem":1791},"Вказівники типу void","\u002Fcpp\u002Fvoid-pointers","02.cpp\u002F20.void-pointers",{"title":1793,"path":1794,"stem":1795},"Вказівники на вказівники","\u002Fcpp\u002Fpointers-to-pointers","02.cpp\u002F21.pointers-to-pointers",{"title":1797,"path":1798,"stem":1799},"Оператор доступу до членів через вказівник (->)","\u002Fcpp\u002Fmember-access-operator","02.cpp\u002F22.member-access-operator",{"title":1801,"path":1802,"stem":1803},"Цикл for-each (Range-based for)","\u002Fcpp\u002Fforeach-loop","02.cpp\u002F23.foreach-loop",{"title":1805,"path":1806,"stem":1807},"Вказівники на функції","\u002Fcpp\u002Ffunction-pointers","02.cpp\u002F24.function-pointers",{"title":1809,"path":1810,"stem":1811},"Лямбда-вирази","\u002Fcpp\u002Flambdas","02.cpp\u002F25.lambdas",{"title":1813,"path":1814,"stem":1815},"Лямбда-захоплення","\u002Fcpp\u002Flambda-captures","02.cpp\u002F26.lambda-captures",{"title":1817,"path":1818,"stem":1819},"Еліпсис","\u002Fcpp\u002Fellipsis","02.cpp\u002F27.ellipsis",{"title":1821,"path":1822,"stem":1823},"Безпечні альтернативи еліпсису","\u002Fcpp\u002F27a.ellipsis","02.cpp\u002F27a.ellipsis",{"title":1825,"path":1826,"stem":1827},"Аргументи командного рядка","\u002Fcpp\u002Fcommand-line-arguments","02.cpp\u002F28.command-line-arguments",{"title":1829,"path":1830,"stem":1831},"Перерахування (enum)","\u002Fcpp\u002Fenum","02.cpp\u002F29.enum",{"title":1833,"path":1834,"stem":1835},"Класи-перерахування (enum class)","\u002Fcpp\u002Fenum-class","02.cpp\u002F30.enum-class",{"title":1837,"path":1838,"stem":1839},"Псевдоніми типів (typedef і using)","\u002Fcpp\u002Ftype-aliases","02.cpp\u002F31.type-aliases",{"title":1841,"path":1842,"stem":1843},"Системи числення та двійкова арифметика","\u002Fcpp\u002Fnumber-systems","02.cpp\u002F32.number-systems",{"title":1845,"path":1846,"stem":1847},"Структури (struct): агрегування даних","\u002Fcpp\u002Fstruct","02.cpp\u002F33.struct",{"title":1849,"path":1850,"stem":1851},"Структури у функціях","\u002Fcpp\u002Fstruct-functions","02.cpp\u002F34.struct-functions",{"title":1853,"path":1854,"stem":1855},"Масиви структур і вкладені структури","\u002Fcpp\u002Fstruct-arrays","02.cpp\u002F35.struct-arrays",{"title":1857,"path":1858,"stem":1859},"Патерни struct та межі застосування","\u002Fcpp\u002Fstruct-patterns","02.cpp\u002F36.struct-patterns",{"title":1861,"path":1862,"stem":1863},"Символи та таблиця ASCII","\u002Fcpp\u002Fascii-characters","02.cpp\u002F37.ascii-characters",{"title":1865,"path":1866,"stem":1867},"Unicode та кодування UTF","\u002Fcpp\u002Funicode-utf","02.cpp\u002F38.unicode-utf",{"title":1869,"path":1870,"stem":1871},"C-style рядки","\u002Fcpp\u002Fc-strings","02.cpp\u002F39.c-strings",{"title":1873,"path":1874,"stem":1875},"Вступ до std::string","\u002Fcpp\u002Fstd-string-intro","02.cpp\u002F40.std-string-intro",{"title":1877,"path":1878,"stem":1879},"Довжина, ємність та доступ до символів std::string","\u002Fcpp\u002Fstd-string-capacity-access","02.cpp\u002F41.std-string-capacity-access",{"title":1881,"path":1882,"stem":1883},"Модифікація std::string: присвоювання, додавання, вставка, видалення та заміна","\u002Fcpp\u002Fstd-string-modification","02.cpp\u002F42.std-string-modification",{"title":1885,"path":1886,"stem":1887},"Пошук у std::string: find, npos та практичні патерни","\u002Fcpp\u002Fstd-string-search","02.cpp\u002F43.std-string-search",{"title":1889,"path":1890,"stem":1891},"std::string_view: невласницький погляд на рядок без копіювання","\u002Fcpp\u002Fstd-string-view","02.cpp\u002F44.std-string-view",{"title":1893,"path":1894,"stem":1895},"Об'єднання (union): один блок пам'яті, кілька інтерпретацій","\u002Fcpp\u002Funion","02.cpp\u002F45.union",{"title":1897,"path":1898,"stem":1899},"Організація коду: файли, препроцесор, простори імен","\u002Fcpp\u002Fmultifile-programs","02.cpp\u002F46.multifile-programs",{"title":1901,"path":1902,"stem":1903},"Робота з файлами: C-стиль (stdio.h)","\u002Fcpp\u002Fc-style-files","02.cpp\u002F47.c-style-files",{"title":1905,"path":1906,"stem":1907},"Робота з файлами: C++-стиль (fstream)","\u002Fcpp\u002Fcpp-style-files","02.cpp\u002F48.cpp-style-files",{"title":1909,"path":1910,"stem":1911},"Введення в ООП: від процедур до об'єктів","\u002Fcpp\u002Foop-intro","02.cpp\u002F49.oop-intro",{"title":1913,"path":1914,"stem":1915},"Класи, об'єкти та методи","\u002Fcpp\u002Fclasses-objects-methods","02.cpp\u002F50.classes-objects-methods",{"title":1917,"path":1918,"stem":1919},"Специфікатори доступу та інкапсуляція","\u002Fcpp\u002Faccess-specifiers-encapsulation","02.cpp\u002F51.access-specifiers-encapsulation",{"title":1921,"path":1922,"stem":1923},"Конструктори: гарантована ініціалізація об'єктів","\u002Fcpp\u002Fconstructors","02.cpp\u002F52.constructors",{"title":1925,"path":1926,"stem":1927},"Списки ініціалізації та делегуючі конструктори","\u002Fcpp\u002Finit-lists-delegating","02.cpp\u002F53.init-lists-delegating",{"title":1929,"path":1930,"stem":1931},"Деструктори та ідіома RAII","\u002Fcpp\u002Fdestructors-raii","02.cpp\u002F54.destructors-raii",{"title":1933,"path":1934,"stem":1935},"Прихований покажчик this","\u002Fcpp\u002Fthis-pointer","02.cpp\u002F55.this-pointer",{"title":1937,"path":1938,"stem":1939},"Розподіл класу на заголовковий файл та файл реалізації","\u002Fcpp\u002Fclass-header-source","02.cpp\u002F56.class-header-source",{"title":1941,"path":1942,"stem":1943},"Класи та const","\u002Fcpp\u002Fconst-classes","02.cpp\u002F57.const-classes",{"title":1945,"path":1946,"stem":1947},"Статичні члени класу","\u002Fcpp\u002Fstatic-members","02.cpp\u002F58.static-members",{"title":1949,"path":1950,"stem":1951},"Конструктор копіювання та запобігання копіюванню","\u002Fcpp\u002Fcopy-constructor","02.cpp\u002F59.copy-constructor",{"title":1953,"path":1954,"stem":1955},"Дружні функції та класи","\u002Fcpp\u002Ffriend-functions-classes","02.cpp\u002F60.friend-functions-classes",{"title":1957,"path":1958,"stem":1959},"Анонімні об'єкти та вкладені типи","\u002Fcpp\u002Fanonymous-objects-nested-types","02.cpp\u002F61.anonymous-objects-nested-types",{"title":1961,"path":1962,"stem":1963},"Вимірювання часу виконання: RAII-таймер","\u002Fcpp\u002Ftiming-raii-timer","02.cpp\u002F62.timing-raii-timer",{"title":1965,"path":1966,"stem":1967},"Перевантаження операторів: основи та арифметика","\u002Fcpp\u002Foperator-overloading-basics","02.cpp\u002F63.operator-overloading-basics",{"title":1969,"path":1970,"stem":1971},"Перевантаження операторів: методи класу та спеціальні оператори","\u002Fcpp\u002Foperator-overloading-methods","02.cpp\u002F64.operator-overloading-methods",{"title":1973,"path":1974,"stem":1975},"Приведення типів, explicit та delete","\u002Fcpp\u002Ftypecast-explicit-delete","02.cpp\u002F65.typecast-explicit-delete",{"title":1977,"path":1978,"stem":1979},"Глибоке копіювання та оператор присвоювання","\u002Fcpp\u002Fdeep-copy-assignment","02.cpp\u002F66.deep-copy-assignment",{"title":1981,"path":1982,"stem":1983},"Зв'язки між об'єктами: композиція та агрегація","\u002Fcpp\u002Fcomposition-aggregation","02.cpp\u002F67.composition-aggregation",{"title":1985,"path":1986,"stem":1987},"Асоціація та залежність між об","\u002Fcpp\u002Fassociation-dependency","02.cpp\u002F68.association-dependency",{"title":1989,"path":1990,"stem":1991},"Контейнерні класи та `std::initializer_list`","\u002Fcpp\u002Fcontainer-classes-initializer-list","02.cpp\u002F69.container-classes-initializer-list",{"title":1993,"path":1994,"stem":1995},"Конструктори, деструктори та порядок ініціалізації в ієрархіях","\u002Fcpp\u002Finheritance-constructors-destructors","02.cpp\u002F71.inheritance-constructors-destructors",{"title":1997,"path":1998,"stem":1999},"Специфікатор `protected` та види наслідування","\u002Fcpp\u002Finheritance-access-specifiers","02.cpp\u002F72.inheritance-access-specifiers",{"title":2001,"path":2002,"stem":2003},"Перевизначення методів та приховування імен","\u002Fcpp\u002Fmethod-overriding-hiding","02.cpp\u002F73.method-overriding-hiding",{"title":2005,"path":2006,"stem":2007},"Множинне наслідування та проблема ромба","\u002Fcpp\u002Fmultiple-inheritance-diamond","02.cpp\u002F74.multiple-inheritance-diamond",{"title":2009,"path":2010,"stem":2011},"Вказівники на базовий клас та віртуальні функції","\u002Fcpp\u002Fvirtual-functions-polymorphism","02.cpp\u002F75.virtual-functions-polymorphism",{"title":2013,"path":2014,"stem":2015},"Специфікатори override, final та віртуальні деструктори","\u002Fcpp\u002Foverride-final-virtual-destructors","02.cpp\u002F76.override-final-virtual-destructors",{"title":2017,"path":2018,"stem":2019},"Внутрішні механізми поліморфізму: vtable, vptr та зв'язування","\u002Fcpp\u002Fvirtual-table-binding","02.cpp\u002F77.virtual-table-binding",{"title":2021,"path":2022,"stem":2023},"Абстрактні класи та чисті віртуальні функції","\u002Fcpp\u002Fabstract-classes-interfaces","02.cpp\u002F78.abstract-classes-interfaces",{"title":2025,"path":2026,"stem":2027},"Зрізка об'єктів, віртуальне наслідування та поліморфний вивід","\u002Fcpp\u002Fslicing-virtual-base-io","02.cpp\u002F79.slicing-virtual-base-io",{"title":2029,"path":2030,"stem":2031},"Динамічне приведення типів (`dynamic_cast`) та RTTI","\u002Fcpp\u002Fdynamic-cast-rtti","02.cpp\u002F80.dynamic-cast-rtti",{"title":2033,"path":2034,"stem":2035},"Шаблони функцій: узагальнене програмування","\u002Fcpp\u002Ffunction-templates","02.cpp\u002F81.function-templates",{"title":2037,"path":2038,"stem":2039},"Шаблони класів та NTTP-параметри","\u002Fcpp\u002Fclass-templates-nttp","02.cpp\u002F82.class-templates-nttp",{"title":2041,"icon":2042,"path":2043,"stem":2044,"children":2045,"page":59},"JavaScript","i-devicon-javascript","\u002Fjavascript","03.javascript",[2046,2072,2126,2148,2452,2490,2508],{"title":2047,"icon":2048,"path":2049,"stem":2050,"children":2051,"page":59},"Events","i-lucide-mouse-pointer-click","\u002Fjavascript\u002Fevents","03.javascript\u002F01.events",[2052,2056,2060,2064,2068],{"title":2053,"path":2054,"stem":2055},"Вступ до подій браузера","\u002Fjavascript\u002Fevents\u002Fintro","03.javascript\u002F01.events\u002F01.intro",{"title":2057,"path":2058,"stem":2059},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","\u002Fjavascript\u002Fevents\u002Fbubbling-capturing","03.javascript\u002F01.events\u002F02.bubbling-capturing",{"title":2061,"path":2062,"stem":2063},"Делегування подій (Event Delegation)","\u002Fjavascript\u002Fevents\u002Fdelegate-events","03.javascript\u002F01.events\u002F03.delegate-events",{"title":2065,"path":2066,"stem":2067},"Типові дії браузера та preventDefault()","\u002Fjavascript\u002Fevents\u002Fprevent-default","03.javascript\u002F01.events\u002F04.prevent-default",{"title":2069,"path":2070,"stem":2071},"Запуск користувацьких подій (Custom Events)","\u002Fjavascript\u002Fevents\u002Fcustom-events","03.javascript\u002F01.events\u002F05.custom-events",{"title":2073,"icon":2074,"path":2075,"stem":2076,"children":2077,"page":59},"Network","i-lucide-globe","\u002Fjavascript\u002Fnetwork","03.javascript\u002F02.network",[2078,2082,2086,2090,2094,2098,2102,2106,2110,2114,2118,2122],{"title":2079,"path":2080,"stem":2081},"Fetch API - Сучасний підхід до HTTP-запитів","\u002Fjavascript\u002Fnetwork\u002F01-fetch-api","03.javascript\u002F02.network\u002F01-fetch-api",{"title":2083,"path":2084,"stem":2085},"FormData - Робота з формами та файлами","\u002Fjavascript\u002Fnetwork\u002F02-formdata","03.javascript\u002F02.network\u002F02-formdata",{"title":2087,"path":2088,"stem":2089},"Відстеження прогресу завантаження","\u002Fjavascript\u002Fnetwork\u002F03-download-progress","03.javascript\u002F02.network\u002F03-download-progress",{"title":2091,"path":2092,"stem":2093},"Переривання fetch-запитів","\u002Fjavascript\u002Fnetwork\u002F04-abort-requests","03.javascript\u002F02.network\u002F04-abort-requests",{"title":2095,"path":2096,"stem":2097},"CORS - Запити між різними джерелами","\u002Fjavascript\u002Fnetwork\u002F05-cors","03.javascript\u002F02.network\u002F05-cors",{"title":2099,"path":2100,"stem":2101},"Fetch API - Повний довідник опцій","\u002Fjavascript\u002Fnetwork\u002F06-fetch-options","03.javascript\u002F02.network\u002F06-fetch-options",{"title":2103,"path":2104,"stem":2105},"URL Objects - Робота з посиланнями","\u002Fjavascript\u002Fnetwork\u002F07-url-objects","03.javascript\u002F02.network\u002F07-url-objects",{"title":2107,"path":2108,"stem":2109},"XMLHttpRequest - AJAX та низькорівневі запити","\u002Fjavascript\u002Fnetwork\u002F08-xmlhttprequest","03.javascript\u002F02.network\u002F08-xmlhttprequest",{"title":2111,"path":2112,"stem":2113},"Відновлюване завантаження файлів","\u002Fjavascript\u002Fnetwork\u002F09-resumable-upload","03.javascript\u002F02.network\u002F09-resumable-upload",{"title":2115,"path":2116,"stem":2117},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","\u002Fjavascript\u002Fnetwork\u002F10-cookies","03.javascript\u002F02.network\u002F10-cookies",{"title":2119,"path":2120,"stem":2121},"js-cookie: Керування Cookies без Болю","\u002Fjavascript\u002Fnetwork\u002F11-js-cookie","03.javascript\u002F02.network\u002F11-js-cookie",{"title":2123,"path":2124,"stem":2125},"Axios: Потужний HTTP-клієнт для JavaScript","\u002Fjavascript\u002Fnetwork\u002F12-axios","03.javascript\u002F02.network\u002F12-axios",{"title":2127,"icon":2128,"path":2129,"stem":2130,"children":2131,"page":59},"Bom","i-lucide-monitor","\u002Fjavascript\u002Fbom","03.javascript\u002F03.bom",[2132,2136,2140,2144],{"title":2133,"path":2134,"stem":2135},"LocalStorage, SessionStorage та patterns збереження даних","\u002Fjavascript\u002Fbom\u002F01-localstorage","03.javascript\u002F03.bom\u002F01-localstorage",{"title":2137,"path":2138,"stem":2139},"Location Object - Керування адресою сторінки","\u002Fjavascript\u002Fbom\u002F02-location-object","03.javascript\u002F03.bom\u002F02-location-object",{"title":2141,"path":2142,"stem":2143},"History API - Керування історією браузера","\u002Fjavascript\u002Fbom\u002F03-history-api","03.javascript\u002F03.bom\u002F03-history-api",{"title":2145,"path":2146,"stem":2147},"Navigator Object - Ідентифікація та Можливості Пристрою","\u002Fjavascript\u002Fbom\u002F04-navigator-object","03.javascript\u002F03.bom\u002F04-navigator-object",{"title":2149,"icon":2150,"path":2151,"stem":2152,"children":2153},"React","i-devicon-react","\u002Fjavascript\u002Freact","03.javascript\u002F04.react\u002Findex",[2154,2155,2159,2163,2167,2171,2234,2269,2421],{"title":2149,"path":2151,"stem":2152},{"title":2156,"path":2157,"stem":2158},"Робота з Формами в React","\u002Fjavascript\u002Freact\u002Freact-forms","03.javascript\u002F04.react\u002F01.react-forms",{"title":2160,"path":2161,"stem":2162},"React Hook Form: Професійна Робота з Формами","\u002Fjavascript\u002Freact\u002Freact-hook-form","03.javascript\u002F04.react\u002F02.react-hook-form",{"title":2164,"path":2165,"stem":2166},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","\u002Fjavascript\u002Freact\u002Freact-hook-form-new","03.javascript\u002F04.react\u002F02.react-hook-form-new",{"title":2168,"path":2169,"stem":2170},"Axios та React: Професійна Архітектура Запитів","\u002Fjavascript\u002Freact\u002Fdata-fetching-axios","03.javascript\u002F04.react\u002F03.data-fetching-axios",{"title":2172,"icon":132,"path":2173,"stem":2174,"children":2175},"Tanstack Query","\u002Fjavascript\u002Freact\u002Ftanstack-query","03.javascript\u002F04.react\u002F04.tanstack-query\u002Findex",[2176,2178,2182,2186,2190,2194,2198,2202,2206,2210,2214,2218,2222,2226,2230],{"title":2177,"path":2173,"stem":2174},"TanStack Query: Майстерність Керування Станом Сервера",{"title":2179,"path":2180,"stem":2181},"Парадигма Server State: Чому useEffect недостатньо","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-state-paradigm","03.javascript\u002F04.react\u002F04.tanstack-query\u002F01.server-state-paradigm",{"title":2183,"path":2184,"stem":2185},"Встановлення та Налаштування: Фундамент","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Finstallation-and-devtools","03.javascript\u002F04.react\u002F04.tanstack-query\u002F02.installation-and-devtools",{"title":2187,"path":2188,"stem":2189},"Основи Запитів та Магія Ключів","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fquery-basics-and-keys","03.javascript\u002F04.react\u002F04.tanstack-query\u002F03.query-basics-and-keys",{"title":2191,"path":2192,"stem":2193},"Синхронізація Даних: Життєвий Цикл Запиту","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fdata-synchronization","03.javascript\u002F04.react\u002F04.tanstack-query\u002F04.data-synchronization",{"title":2195,"path":2196,"stem":2197},"Мутації та Інвалідація: Зміна Даних","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fmutations-and-invalidation","03.javascript\u002F04.react\u002F04.tanstack-query\u002F05.mutations-and-invalidation",{"title":2199,"path":2200,"stem":2201},"Оптимістичні Оновлення: Швидше за Світло","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Foptimistic-updates","03.javascript\u002F04.react\u002F04.tanstack-query\u002F06.optimistic-updates",{"title":2203,"path":2204,"stem":2205},"Пагінація та Infinite Scroll","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fpagination-and-load-more","03.javascript\u002F04.react\u002F04.tanstack-query\u002F07.pagination-and-load-more",{"title":2207,"path":2208,"stem":2209},"Просунуті Патерни та Оптимізація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F04.tanstack-query\u002F08.advanced-patterns",{"title":2211,"path":2212,"stem":2213},"Архітектура та Best Practices","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Farchitecture-and-best-practices","03.javascript\u002F04.react\u002F04.tanstack-query\u002F09.architecture-and-best-practices",{"title":2215,"path":2216,"stem":2217},"Server-Side Rendering (SSR) та Гідратація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-side-rendering","03.javascript\u002F04.react\u002F04.tanstack-query\u002F10.server-side-rendering",{"title":2219,"path":2220,"stem":2221},"Стратегії Тестування","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Ftesting-strategies","03.javascript\u002F04.react\u002F04.tanstack-query\u002F11.testing-strategies",{"title":2223,"path":2224,"stem":2225},"Аутентифікація та Обробка Помилок","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fauthentication-and-errors","03.javascript\u002F04.react\u002F04.tanstack-query\u002F12.authentication-and-errors",{"title":2227,"path":2228,"stem":2229},"React Suspense та Майбутнє","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Freact-suspense","03.javascript\u002F04.react\u002F04.tanstack-query\u002F13.react-suspense",{"title":2231,"path":2232,"stem":2233},"Глибоке Занурення в Продуктивність","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fperformance-deep-dive","03.javascript\u002F04.react\u002F04.tanstack-query\u002F14.performance-deep-dive",{"title":2235,"icon":2150,"path":2236,"stem":2237,"children":2238},"React Router","\u002Fjavascript\u002Freact\u002Freact-router","03.javascript\u002F04.react\u002F05.react-router\u002Findex",[2239,2241,2245,2249,2253,2257,2261,2265],{"title":2240,"path":2236,"stem":2237},"React Router: Навігаційна система сучасного вебу",{"title":2242,"path":2243,"stem":2244},"Налаштування та Базовий Роутинг","\u002Fjavascript\u002Freact\u002Freact-router\u002Fsetup-and-basic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F01.setup-and-basic-routing",{"title":2246,"path":2247,"stem":2248},"Динамічна Навігація","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnavigation-and-links","03.javascript\u002F04.react\u002F05.react-router\u002F02.navigation-and-links",{"title":2250,"path":2251,"stem":2252},"Вкладені Маршрути та Макети","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnested-routes-and-layouts","03.javascript\u002F04.react\u002F05.react-router\u002F03.nested-routes-and-layouts",{"title":2254,"path":2255,"stem":2256},"Динамічні Маршрути та Параметри","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdynamic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F04.dynamic-routing",{"title":2258,"path":2259,"stem":2260},"Data APIs: Loaders та Actions","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdata-loading","03.javascript\u002F04.react\u002F05.react-router\u002F05.data-loading",{"title":2262,"path":2263,"stem":2264},"Просунуті Патерни","\u002Fjavascript\u002Freact\u002Freact-router\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F05.react-router\u002F06.advanced-patterns",{"title":2266,"path":2267,"stem":2268},"Legacy Routing: Компонентний підхід","\u002Fjavascript\u002Freact\u002Freact-router\u002Flegacy-routing","03.javascript\u002F04.react\u002F05.react-router\u002F07.legacy-routing",{"title":2270,"icon":132,"path":2271,"stem":2272,"children":2273},"Redux","\u002Fjavascript\u002Freact\u002Fredux","03.javascript\u002F04.react\u002F06.redux\u002Findex",[2274,2276,2292,2321,2330,2351,2367,2396],{"title":2275,"path":2271,"stem":2272},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2277,"stem":2278,"children":2279,"page":59},"\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals",[2280,2284,2288],{"title":2281,"path":2282,"stem":2283},"Вступ до State Management","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fintro-state-management","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F01.intro-state-management",{"title":2285,"path":2286,"stem":2287},"Філософія Redux та Три Принципи","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fredux-philosophy","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F02.redux-philosophy",{"title":2289,"path":2290,"stem":2291},"Чисті функції та Іммутабельність","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fpure-functions-immutability","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F03.pure-functions-immutability",{"title":2293,"icon":132,"path":2294,"stem":2295,"children":2296,"page":59},"Classic Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux",[2297,2301,2305,2309,2313,2317],{"title":2298,"path":2299,"stem":2300},"Створення Store (Classic Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fstore-setup","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F01.store-setup",{"title":2302,"path":2303,"stem":2304},"Actions, Constants та Action Creators","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Factions-constants","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F02.actions-constants",{"title":2306,"path":2307,"stem":2308},"Логіка Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freducers","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F03.reducers",{"title":2310,"path":2311,"stem":2312},"Комбінування Reducers (Root Reducer)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fdata-flow","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F04.data-flow",{"title":2314,"path":2315,"stem":2316},"Підключення до React (React-Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freact-redux-connection","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F05.react-redux-connection",{"title":2318,"path":2319,"stem":2320},"Middleware та Асинхронність (Redux Thunk)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fmiddleware-thunk","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F06.middleware-thunk",{"title":2322,"icon":132,"path":2323,"stem":2324,"children":2325,"page":59},"Transition To Rtk","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk",[2326],{"title":2327,"path":2328,"stem":2329},"Проблеми класичного Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk\u002Fproblems-with-classic","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk\u002F01.problems-with-classic",{"title":2331,"icon":132,"path":2332,"stem":2333,"children":2334,"page":59},"Redux Toolkit","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit",[2335,2339,2343,2347],{"title":2336,"path":2337,"stem":2338},"Налаштування Store з configureStore","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fconfigure-store","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F01.configure-store",{"title":2340,"path":2341,"stem":2342},"createSlice: Революція в Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fcreate-slice","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F02.create-slice",{"title":2344,"path":2345,"stem":2346},"Асинхронність з createAsyncThunk","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fasync-thunks","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F03.async-thunks",{"title":2348,"path":2349,"stem":2350},"04. Entity Adapter: Керування нормалізованим станом","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fentity-adapter","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F04.entity-adapter",{"title":2352,"icon":92,"path":2353,"stem":2354,"children":2355,"page":59},"Advanced","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced",[2356,2360,2364],{"title":2357,"path":2358,"stem":2359},"Мемоізація та Селектори: Повний Гайд по Reselect","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Fselectors-reselect","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F01.selectors-reselect",{"title":2361,"path":2362,"stem":2363},"RTK Query: Архітектура Серверного Кешу","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Frtk-query-intro","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F02.rtk-query-intro",{"title":2211,"path":2365,"stem":2366},"\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Farchitecture-best-practices","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F03.architecture-best-practices",{"title":2368,"icon":132,"path":2369,"stem":2370,"children":2371,"page":59},"Project Kanban","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban",[2372,2376,2380,2384,2388,2392],{"title":2373,"path":2374,"stem":2375},"Проєкт: Kanban Board (Trello Clone)","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fproject-overview","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F01.project-overview",{"title":2377,"path":2378,"stem":2379},"Налаштування та Типізація","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fsetup-and-types","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F02.setup-and-types",{"title":2381,"path":2382,"stem":2383},"Board Slice: Серце Дошки","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fboard-slice","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F03.board-slice",{"title":2385,"path":2386,"stem":2387},"Логіка Drag & Drop","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fdrag-and-drop-logic","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F04.drag-and-drop-logic",{"title":2389,"path":2390,"stem":2391},"Інтеграція з RTK Query","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Frtk-query-integration","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F05.rtk-query-integration",{"title":2393,"path":2394,"stem":2395},"Optimistic Updates","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Foptimistic-updates","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F06.optimistic-updates",{"title":2397,"icon":132,"path":2398,"stem":2399,"children":2400,"page":59},"Testing","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting","03.javascript\u002F04.react\u002F06.redux\u002F07.testing",[2401,2405,2409,2413,2417],{"title":2402,"path":2403,"stem":2404},"Тестування Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Fintro-testing","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F01.intro-testing",{"title":2406,"path":2407,"stem":2408},"Тестування Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-reducers","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F02.testing-reducers",{"title":2410,"path":2411,"stem":2412},"Тестування Селекторів","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-selectors","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F03.testing-selectors",{"title":2414,"path":2415,"stem":2416},"Тестування Компонентів (Integration)","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-components","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F04.testing-components",{"title":2418,"path":2419,"stem":2420},"Тестування Async Thunks","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-thunks","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F05.testing-thunks",{"title":2422,"icon":132,"path":2423,"stem":2424,"children":2425},"Ui Libraries","\u002Fjavascript\u002Freact\u002Fui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002Findex",[2426,2428,2432,2436,2440,2444,2448],{"title":2427,"path":2423,"stem":2424},"UI Бібліотеки в React",{"title":2429,"path":2430,"stem":2431},"Вступ до UI Бібліотек: Навіщо Винаходити Велосипед Двічі?","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fintroduction-to-ui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002F01.introduction-to-ui-libraries",{"title":2433,"path":2434,"stem":2435},"Філософія shadcn\u002Fui: \"Not a Component Library\"","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-philosophy","03.javascript\u002F04.react\u002F07.ui-libraries\u002F02.shadcn-philosophy",{"title":2437,"path":2438,"stem":2439},"Установка та Налаштування shadcn\u002Fui","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-installation","03.javascript\u002F04.react\u002F07.ui-libraries\u002F03.shadcn-installation",{"title":2441,"path":2442,"stem":2443},"Базові Компоненти shadcn\u002Fui: Фундамент Інтерфейсу","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-basics","03.javascript\u002F04.react\u002F07.ui-libraries\u002F04.shadcn-components-basics",{"title":2445,"path":2446,"stem":2447},"Компоненти Форм: Побудова Інтерактивних Form","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-forms","03.javascript\u002F04.react\u002F07.ui-libraries\u002F05.shadcn-components-forms",{"title":2449,"path":2450,"stem":2451},"Складні Компоненти: Dialog, Dropdown, Table та Command","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-advanced","03.javascript\u002F04.react\u002F07.ui-libraries\u002F06.shadcn-components-advanced",{"title":2453,"icon":2454,"path":2455,"stem":2456,"children":2457,"page":59},"TypeScript","i-devicon-typescript","\u002Fjavascript\u002Ftypescript","03.javascript\u002F05.typescript",[2458,2462,2466,2470,2474,2478,2482,2486],{"title":2459,"path":2460,"stem":2461},"TypeScript: Броня для вашого коду","\u002Fjavascript\u002Ftypescript\u002Fintro-and-basic-types","03.javascript\u002F05.typescript\u002F01.intro-and-basic-types",{"title":2463,"path":2464,"stem":2465},"Майстерність Моделювання Даних: Інтерфейси та Просунуті Типи","\u002Fjavascript\u002Ftypescript\u002Finterfaces-and-advanced-types","03.javascript\u002F05.typescript\u002F02.interfaces-and-advanced-types",{"title":2467,"path":2468,"stem":2469},"Алхімія Типів: Generics та Utility Types","\u002Fjavascript\u002Ftypescript\u002Fgenerics-and-utilities","03.javascript\u002F05.typescript\u002F03.generics-and-utilities",{"title":2471,"path":2472,"stem":2473},"Архітектура та Шаблони: Класи в TypeScript","\u002Fjavascript\u002Ftypescript\u002Fclasses-and-oop","03.javascript\u002F05.typescript\u002F04.classes-and-oop",{"title":2475,"path":2476,"stem":2477},"Продакшн та Екосистема: Advanced Config & Workflow","\u002Fjavascript\u002Ftypescript\u002Fadvanced-patterns-and-config","03.javascript\u002F05.typescript\u002F05.advanced-patterns-and-config",{"title":2479,"path":2480,"stem":2481},"TypeScript у світі React","\u002Fjavascript\u002Ftypescript\u002Freact-basics","03.javascript\u002F05.typescript\u002F06.react-basics",{"title":2483,"path":2484,"stem":2485},"React + TypeScript: Продвинуті патерни","\u002Fjavascript\u002Ftypescript\u002Freact-advanced","03.javascript\u002F05.typescript\u002F07.react-advanced",{"title":2487,"path":2488,"stem":2489},"React + TypeScript: Екосистема та бібліотеки","\u002Fjavascript\u002Ftypescript\u002Freact-ecosystem","03.javascript\u002F05.typescript\u002F08.react-ecosystem",{"title":2491,"icon":2492,"path":2493,"stem":2494,"children":2495,"page":59},"Асинхронність","i-lucide-refresh-cw","\u002Fjavascript\u002Fasync-programming","03.javascript\u002F06.async-programming",[2496,2500,2504],{"title":2497,"path":2498,"stem":2499},"Event Loop: серце асинхронності в JavaScript","\u002Fjavascript\u002Fasync-programming\u002Fevent-loop-fundamentals","03.javascript\u002F06.async-programming\u002F01.event-loop-fundamentals",{"title":2501,"path":2502,"stem":2503},"Task Queue та Microtask Queue: пріоритети виконання","\u002Fjavascript\u002Fasync-programming\u002Ftask-queues","03.javascript\u002F06.async-programming\u002F02.task-queues",{"title":2505,"path":2506,"stem":2507},"Асинхронні патерни: від Callbacks до Async\u002FAwait","\u002Fjavascript\u002Fasync-programming\u002Fasync-patterns","03.javascript\u002F06.async-programming\u002F03.async-patterns",{"title":2509,"path":2510,"stem":2511},"Atomic Design","\u002Fjavascript\u002Fatomic-design","03.javascript\u002F2.atomic-design",{"title":2513,"icon":2514,"path":2515,"stem":2516,"children":2517,"page":59},"Java","i-devicon-java","\u002Fjava","04.java",[2518,2521,2524,2528,2532,2536,2540],{"title":162,"path":2519,"stem":2520},"\u002Fjava\u002Fdata-mapper-part1","04.java\u002F01.data-mapper-part1",{"title":166,"path":2522,"stem":2523},"\u002Fjava\u002Fdata-mapper-part2","04.java\u002F02.data-mapper-part2",{"title":2525,"path":2526,"stem":2527},"Service Layer: Організація бізнес-логіки","\u002Fjava\u002Fservice-layer","04.java\u002F03.service-layer",{"title":2529,"path":2530,"stem":2531},"Rich Domain Model та State Pattern","\u002Fjava\u002Frich-domain-model","04.java\u002F04.rich-domain-model",{"title":2533,"path":2534,"stem":2535},"Патерни для складної бізнес-логіки","\u002Fjava\u002Fbusiness-logic-patterns","04.java\u002F05.business-logic-patterns",{"title":2537,"path":2538,"stem":2539},"Обробка помилок та валідація","\u002Fjava\u002Ferror-handling-validation","04.java\u002F06.error-handling-validation",{"title":2541,"path":2542,"stem":2543,"children":2544,"page":59},"Проектування баз даних","\u002Fjava\u002Fpr2","04.java\u002Fpr2",[2545,2549,2553,2557,2561,2565,2569,2573,2577,2581,2585,2589,2593,2597,2601,2605,2609,2613,2617,2621,2625,2629,2633,2637,2641,2645,2649,2653,2657,2661,2665,2669,2673,2677,2681,2685,2689],{"title":2546,"path":2547,"stem":2548},"Концептуальне моделювання: Мистецтво розуміння предметної області","\u002Fjava\u002Fpr2\u002Fconceptual-modeling","04.java\u002Fpr2\u002F01.conceptual-modeling",{"title":2550,"path":2551,"stem":2552},"Логічне моделювання: Від бізнес-ідей до структур даних","\u002Fjava\u002Fpr2\u002Flogical-modeling","04.java\u002Fpr2\u002F02.logical-modeling",{"title":2554,"path":2555,"stem":2556},"Нормалізація: Гігієна даних та боротьба з аномаліями","\u002Fjava\u002Fpr2\u002Fnormalization","04.java\u002Fpr2\u002F03.normalization",{"title":2558,"path":2559,"stem":2560},"Фізична схема: Від абстракції до DDL","\u002Fjava\u002Fpr2\u002Fphysical-schema","04.java\u002Fpr2\u002F04.physical-schema",{"title":2562,"path":2563,"stem":2564},"Архітектурна класифікація таблиць","\u002Fjava\u002Fpr2\u002Ftable-classification","04.java\u002Fpr2\u002F05.table-classification",{"title":2566,"path":2567,"stem":2568},"Database Migrations: Версіонування схеми з Flyway","\u002Fjava\u002Fpr2\u002Fdatabase-migrations","04.java\u002Fpr2\u002F06.database-migrations",{"title":2570,"path":2571,"stem":2572},"А що, якби це була не реляційна БД?","\u002Fjava\u002Fpr2\u002Fbeyond-relational","04.java\u002Fpr2\u002F07.beyond-relational",{"title":2574,"path":2575,"stem":2576},"Object-Relational Impedance Mismatch: Два світи, що не хочуть дружити","\u002Fjava\u002Fpr2\u002Fimpedance-mismatch","04.java\u002Fpr2\u002F09.impedance-mismatch",{"title":2578,"path":2579,"stem":2580},"JDBC: Перший контакт із базою даних","\u002Fjava\u002Fpr2\u002Fjdbc-fundamentals","04.java\u002Fpr2\u002F10.jdbc-fundamentals",{"title":2582,"path":2583,"stem":2584},"Якість коду: Spotless, SpotBugs та SonarQube","\u002Fjava\u002Fpr2\u002F10a.code-quality","04.java\u002Fpr2\u002F10a.code-quality",{"title":2586,"path":2587,"stem":2588},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","\u002Fjava\u002Fpr2\u002Fconnection-pool","04.java\u002Fpr2\u002F11.connection-pool",{"title":2590,"path":2591,"stem":2592},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","\u002Fjava\u002Fpr2\u002Frow-data-gateway","04.java\u002Fpr2\u002F12.row-data-gateway",{"title":2594,"path":2595,"stem":2596},"Table Data Gateway: Фасад таблиці як архітектурний відступ","\u002Fjava\u002Fpr2\u002Ftable-data-gateway","04.java\u002Fpr2\u002F13.table-data-gateway",{"title":2598,"path":2599,"stem":2600},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","\u002Fjava\u002Fpr2\u002Frepository-data-mapper","04.java\u002Fpr2\u002F14.repository-data-mapper",{"title":2602,"path":2603,"stem":2604},"Identity Map: Кешування сутностей у рамках сесії","\u002Fjava\u002Fpr2\u002Fidentity-map","04.java\u002Fpr2\u002F15.identity-map",{"title":2606,"path":2607,"stem":2608},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","\u002Fjava\u002Fpr2\u002Funit-of-work","04.java\u002Fpr2\u002F16.unit-of-work",{"title":2610,"path":2611,"stem":2612},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","\u002Fjava\u002Fpr2\u002Fstrategy-sql","04.java\u002Fpr2\u002F17.strategy-sql",{"title":2614,"path":2615,"stem":2616},"Proxy: Lazy Loading для One-To-Many колекцій","\u002Fjava\u002Fpr2\u002Fproxy-lazy-loading","04.java\u002Fpr2\u002F18.proxy-lazy-loading",{"title":2618,"path":2619,"stem":2620},"Generic Repository через Java Reflection: анотації та динамічний SQL","\u002Fjava\u002Fpr2\u002Fgeneric-repository-reflection","04.java\u002Fpr2\u002F19.generic-repository-reflection",{"title":2622,"path":2623,"stem":2624},"Specification Pattern: Композиція бізнес-правил для складних запитів","\u002Fjava\u002Fpr2\u002Fspecification-pattern","04.java\u002Fpr2\u002F20.specification-pattern",{"title":2626,"path":2627,"stem":2628},"Розширені можливості Specification Pattern: підзапити, агрегації та гібридний підхід","\u002Fjava\u002Fpr2\u002F20a.advanced-specifications","04.java\u002Fpr2\u002F20a.advanced-specifications",{"title":2630,"path":2631,"stem":2632},"Асинхронність у JDBC: Від блокуючих викликів до CompletableFuture","\u002Fjava\u002Fpr2\u002Fasynchronous-jdbc","04.java\u002Fpr2\u002F21.asynchronous-jdbc",{"title":2634,"path":2635,"stem":2636},"Інтеграційне тестування JDBC-репозиторіїв: Embedded H2 та патерн AAA","\u002Fjava\u002Fpr2\u002Fintegration-testing-h2","04.java\u002Fpr2\u002F22.integration-testing-h2",{"title":2638,"path":2639,"stem":2640},"Testcontainers: Тестування з реальною PostgreSQL у Docker-контейнерах","\u002Fjava\u002Fpr2\u002Fintegration-testing-testcontainers","04.java\u002Fpr2\u002F23.integration-testing-testcontainers",{"title":2642,"path":2643,"stem":2644},"Google Guice: Впровадження залежностей у JavaFX-проєкті","\u002Fjava\u002Fpr2\u002Fdependency-injection-guice","04.java\u002Fpr2\u002F24.dependency-injection-guice",{"title":2646,"path":2647,"stem":2648},"JavaFX: Основи побудови графічних інтерфейсів","\u002Fjava\u002Fpr2\u002Fjavafx-fundamentals","04.java\u002Fpr2\u002F25.javafx-fundamentals",{"title":2650,"path":2651,"stem":2652},"Properties та Bindings: Реактивність у JavaFX","\u002Fjava\u002Fpr2\u002Fjavafx-properties-bindings","04.java\u002Fpr2\u002F26.javafx-properties-bindings",{"title":2654,"path":2655,"stem":2656},"MVC vs MVP vs MVVM: Еволюція архітектурних патернів UI","\u002Fjava\u002Fpr2\u002Fui-architecture-patterns","04.java\u002Fpr2\u002F27.ui-architecture-patterns",{"title":2658,"path":2659,"stem":2660},"MVVM на практиці: Побудова ViewModel","\u002Fjava\u002Fpr2\u002Fmvvm-viewmodel-implementation","04.java\u002Fpr2\u002F28.mvvm-viewmodel-implementation",{"title":2662,"path":2663,"stem":2664},"View та Controller: Зв'язування з ViewModel через FXML","\u002Fjava\u002Fpr2\u002Fmvvm-view-controller","04.java\u002Fpr2\u002F29.mvvm-view-controller",{"title":2666,"path":2667,"stem":2668},"Інтеграція MVVM з Guice: Автоматична ін'єкція залежностей","\u002Fjava\u002Fpr2\u002Fmvvm-guice-integration","04.java\u002Fpr2\u002F30.mvvm-guice-integration",{"title":2670,"path":2671,"stem":2672},"Валідація та обробка помилок у MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-validation-error-handling","04.java\u002Fpr2\u002F31.mvvm-validation-error-handling",{"title":2674,"path":2675,"stem":2676},"Навігація та управління екранами у JavaFX MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-navigation-screen-management","04.java\u002Fpr2\u002F32.mvvm-navigation-screen-management",{"title":2678,"path":2679,"stem":2680},"Тестування JavaFX MVVM-додатків","\u002Fjava\u002Fpr2\u002Fmvvm-testing","04.java\u002Fpr2\u002F33.mvvm-testing",{"title":2682,"path":2683,"stem":2684},"Стилізація та теми у JavaFX: CSS та User Experience","\u002Fjava\u002Fpr2\u002Fjavafx-styling-themes","04.java\u002Fpr2\u002F34.javafx-styling-themes",{"title":2686,"path":2687,"stem":2688},"AtlantaFX: Сучасні теми для JavaFX додатків","\u002Fjava\u002Fpr2\u002Fatlantafx-modern-themes","04.java\u002Fpr2\u002F35.atlantafx-modern-themes",{"title":2690,"path":2691,"stem":2692},"Пакування та розповсюдження JavaFX-додатків","\u002Fjava\u002Fpr2\u002Fjar-packaging-distribution","04.java\u002Fpr2\u002F36.jar-packaging-distribution",{"title":2694,"icon":2695,"path":2696,"stem":2697,"children":2698,"page":59},"Python","i-devicon-python","\u002Fpython","05.python",[2699,2703,2706,2710,2714,2718,2722,2726,2730,2734,2738,2742,2746,2750,2754,2815],{"title":2700,"path":2701,"stem":2702},"Модулі, Пакети та Віртуальні Середовища","\u002Fpython\u002Fmodules-packages-venv","05.python\u002F00.modules-packages-venv",{"title":71,"path":2704,"stem":2705},"\u002Fpython\u002Fclasses-objects","05.python\u002F01.classes-objects",{"title":2707,"path":2708,"stem":2709},"Інкапсуляція, Керування Доступом та Властивості","\u002Fpython\u002Fencapsulation","05.python\u002F02.encapsulation",{"title":2711,"path":2712,"stem":2713},"Наслідування, MRO та суперсила super()","\u002Fpython\u002Finheritance-mro","05.python\u002F03.inheritance-mro",{"title":2715,"path":2716,"stem":2717},"Абстракція — ABC проти Статичних Протоколів (PEP 544)","\u002Fpython\u002Fabstraction-protocols","05.python\u002F04.abstraction-protocols",{"title":2719,"path":2720,"stem":2721},"Магічні методи (Dunder) та Емуляція протоколів","\u002Fpython\u002Fdunder-methods","05.python\u002F05.dunder-methods",{"title":2723,"path":2724,"stem":2725},"Декоратори та Керування життєвим циклом методів","\u002Fpython\u002Fdecorators-static-class","05.python\u002F06.decorators-static-class",{"title":2727,"path":2728,"stem":2729},"Дескриптори — Магія доступу до атрибутів","\u002Fpython\u002Fdescriptors","05.python\u002F07.descriptors",{"title":2731,"path":2732,"stem":2733},"Метакласи — Динамічне створення класів під капотом CPython","\u002Fpython\u002Fmetaclasses","05.python\u002F08.metaclasses",{"title":2735,"path":2736,"stem":2737},"Dataclasses, NamedTuple та сучасні контейнери Python","\u002Fpython\u002Fmodern-containers","05.python\u002F09.modern-containers",{"title":2739,"path":2740,"stem":2741},"GIL та модель конкурентності CPython — фундамент перед потоками і процесами","\u002Fpython\u002Fgil-concurrency-intro","05.python\u002F11.gil-concurrency-intro",{"title":2743,"path":2744,"stem":2745},"Threading — конкурентність для I\u002FO-bound задач","\u002Fpython\u002Fthreading","05.python\u002F12.threading",{"title":2747,"path":2748,"stem":2749},"Multiprocessing — справжній паралелізм для CPU-bound задач","\u002Fpython\u002Fmultiprocessing","05.python\u002F13.multiprocessing",{"title":2751,"path":2752,"stem":2753},"asyncio — кооперативна конкурентність та event loop","\u002Fpython\u002Fasyncio","05.python\u002F14.asyncio",{"title":2755,"icon":92,"path":2756,"stem":2757,"children":2758,"page":59},"FastAPI","\u002Fpython\u002Ffastapi","05.python\u002Ffastapi",[2759,2763,2767,2771,2775,2779,2783,2787,2791,2795,2799,2803,2807,2811],{"title":2760,"path":2761,"stem":2762},"Глибокий Typing та Pydantic v2 — від анотацій до валідації","\u002Fpython\u002Ffastapi\u002Ftyping-pydantic","05.python\u002Ffastapi\u002F15.typing-pydantic",{"title":2764,"path":2765,"stem":2766},"WSGI, ASGI та Python Web-екосистема","\u002Fpython\u002Ffastapi\u002Fwsgi-asgi-ecosystem","05.python\u002Ffastapi\u002F16.wsgi-asgi-ecosystem",{"title":2768,"path":2769,"stem":2770},"FastAPI: Перший додаток, Uvicorn та OpenAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-intro","05.python\u002Ffastapi\u002F17.fastapi-intro",{"title":2772,"path":2773,"stem":2774},"Маршрутизація, параметри запитів та APIRouter","\u002Fpython\u002Ffastapi\u002Ffastapi-routing-params","05.python\u002Ffastapi\u002F18.fastapi-routing-params",{"title":2776,"path":2777,"stem":2778},"Pydantic v2 у FastAPI — схеми, валідація та серіалізація","\u002Fpython\u002Ffastapi\u002Ffastapi-pydantic-schemas","05.python\u002Ffastapi\u002F19.fastapi-pydantic-schemas",{"title":2780,"path":2781,"stem":2782},"Dependency Injection — серце архітектури FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-dependency-injection","05.python\u002Ffastapi\u002F20.fastapi-dependency-injection",{"title":2784,"path":2785,"stem":2786},"Обробка помилок, Middleware та CORS у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-errors-middleware","05.python\u002Ffastapi\u002F21.fastapi-errors-middleware",{"title":2788,"path":2789,"stem":2790},"SQLAlchemy 2.0 — ORM, Core та Async Engine","\u002Fpython\u002Ffastapi\u002Fsqlalchemy-orm","05.python\u002Ffastapi\u002F22.sqlalchemy-orm",{"title":2792,"path":2793,"stem":2794},"Alembic — міграції бази даних","\u002Fpython\u002Ffastapi\u002Falembic-migrations","05.python\u002Ffastapi\u002F23.alembic-migrations",{"title":2796,"path":2797,"stem":2798},"Repository Pattern та Clean Architecture у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-repository-clean-arch","05.python\u002Ffastapi\u002F24.fastapi-repository-clean-arch",{"title":2800,"path":2801,"stem":2802},"Автентифікація та авторизація — JWT, OAuth2, RBAC","\u002Fpython\u002Ffastapi\u002Ffastapi-auth-security","05.python\u002Ffastapi\u002F25.fastapi-auth-security",{"title":2804,"path":2805,"stem":2806},"Тестування FastAPI — pytest, httpx, fixtures","\u002Fpython\u002Ffastapi\u002Ffastapi-testing","05.python\u002Ffastapi\u002F26.fastapi-testing",{"title":2808,"path":2809,"stem":2810},"Async на повну — Background Tasks, WebSockets, SSE та Celery","\u002Fpython\u002Ffastapi\u002Ffastapi-async-advanced","05.python\u002Ffastapi\u002F27.fastapi-async-advanced",{"title":2812,"path":2813,"stem":2814},"Deployment — Docker, CI\u002FCD, Monitoring","\u002Fpython\u002Ffastapi\u002Ffastapi-deployment","05.python\u002Ffastapi\u002F28.fastapi-deployment",{"title":2816,"path":2817,"stem":2818},"[object Object]","\u002Fpython\u002Foop-plan","05.python\u002Foop-plan",{"title":2820,"icon":2821,"path":2822,"stem":2823,"children":2824,"page":59},"Бази даних","i-lucide-database","\u002Fdatabases","06.databases",[2825,2855,2878,2915,2944,2962,2996,3008,3017],{"title":2826,"icon":2827,"path":2828,"stem":2829,"children":2830,"page":59},"Intro","i-lucide-play","\u002Fdatabases\u002Fintro","06.databases\u002F01.intro",[2831,2835,2839,2843,2847,2851],{"title":2832,"path":2833,"stem":2834},"Введення в теорію баз даних","\u002Fdatabases\u002Fintro\u002Fintroduction-to-databases","06.databases\u002F01.intro\u002F01.introduction-to-databases",{"title":2836,"path":2837,"stem":2838},"Реляційна модель даних","\u002Fdatabases\u002Fintro\u002Frelational-model-theory","06.databases\u002F01.intro\u002F02.relational-model-theory",{"title":2840,"path":2841,"stem":2842},"ER-моделювання","\u002Fdatabases\u002Fintro\u002Fer-modeling","06.databases\u002F01.intro\u002F03.er-modeling",{"title":2844,"path":2845,"stem":2846},"Логічне проектування БД","\u002Fdatabases\u002Fintro\u002Flogical-schema","06.databases\u002F01.intro\u002F04.logical-schema",{"title":2848,"path":2849,"stem":2850},"Класифікація таблиць","\u002Fdatabases\u002Fintro\u002Ftable-classification","06.databases\u002F01.intro\u002F05.table-classification",{"title":2852,"path":2853,"stem":2854},"PlantUML для баз даних","\u002Fdatabases\u002Fintro\u002Fplantuml-diagrams","06.databases\u002F01.intro\u002F06.plantuml-diagrams",{"title":2856,"icon":2821,"path":2857,"stem":2858,"children":2859,"page":59},"MS SQL Server Start","\u002Fdatabases\u002Fms-sql-server-start","06.databases\u002F02.ms-sql-server-start",[2860,2864,2870,2874],{"title":2861,"path":2862,"stem":2863},"Типи даних у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fdata-types","06.databases\u002F02.ms-sql-server-start\u002F01.data-types",{"title":2865,"path":2866,"stem":2867,"children":2868},"Індекси у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-indexes","06.databases\u002F02.ms-sql-server-start\u002F02.sql-indexes",[2869],{"title":2865,"path":2866,"stem":2867},{"title":2871,"path":2872,"stem":2873},"Системні бази даних MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsystem-databases","06.databases\u002F02.ms-sql-server-start\u002F03.system-databases",{"title":2875,"path":2876,"stem":2877},"Огляд мови SQL та запитів","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-queries-overview","06.databases\u002F02.ms-sql-server-start\u002F04.sql-queries-overview",{"title":2879,"icon":2821,"path":2880,"stem":2881,"children":2882,"page":59},"SQL","\u002Fdatabases\u002Fsql","06.databases\u002F03.sql",[2883,2887,2891,2895,2899,2903,2907,2911],{"title":2884,"path":2885,"stem":2886},"Налаштування демонстраційної бази даних","\u002Fdatabases\u002Fsql\u002Fsample-database-setup","06.databases\u002F03.sql\u002F00.sample-database-setup",{"title":2888,"path":2889,"stem":2890},"DDL - Створення таблиць (CREATE TABLE)","\u002Fdatabases\u002Fsql\u002Fddl-create-table","06.databases\u002F03.sql\u002F01.ddl-create-table",{"title":2892,"path":2893,"stem":2894},"DDL - Зміна та видалення таблиць (ALTER, DROP)","\u002Fdatabases\u002Fsql\u002Fddl-alter-drop-table","06.databases\u002F03.sql\u002F02.ddl-alter-drop-table",{"title":2896,"path":2897,"stem":2898},"SELECT запити - Основи","\u002Fdatabases\u002Fsql\u002Fselect-queries-fundamentals","06.databases\u002F03.sql\u002F03.select-queries-fundamentals",{"title":2900,"path":2901,"stem":2902},"SELECT запити - Розширені можливості","\u002Fdatabases\u002Fsql\u002Fselect-queries-advanced","06.databases\u002F03.sql\u002F04.select-queries-advanced",{"title":2904,"path":2905,"stem":2906},"INSERT запити - Додавання даних","\u002Fdatabases\u002Fsql\u002Finsert-queries","06.databases\u002F03.sql\u002F05.insert-queries",{"title":2908,"path":2909,"stem":2910},"UPDATE та DELETE запити","\u002Fdatabases\u002Fsql\u002Fupdate-delete-queries","06.databases\u002F03.sql\u002F06.update-delete-queries",{"title":2912,"path":2913,"stem":2914},"Транзакції в SQL","\u002Fdatabases\u002Fsql\u002Ftransactions","06.databases\u002F03.sql\u002F07.transactions",{"title":2916,"icon":2821,"path":2917,"stem":2918,"children":2919,"page":59},"Multi Table Databases","\u002Fdatabases\u002Fmulti-table-databases","06.databases\u002F04.multi-table-databases",[2920,2924,2928,2932,2936,2940],{"title":2921,"path":2922,"stem":2923},"Зв'язки та нормалізація БД","\u002Fdatabases\u002Fmulti-table-databases\u002Frelationships-and-normalization","06.databases\u002F04.multi-table-databases\u002F00.relationships-and-normalization",{"title":2925,"path":2926,"stem":2927},"INNER JOIN - З'єднання таблиць","\u002Fdatabases\u002Fmulti-table-databases\u002Finner-join","06.databases\u002F04.multi-table-databases\u002F01.inner-join",{"title":2929,"path":2930,"stem":2931},"OUTER JOINs - LEFT, RIGHT, FULL","\u002Fdatabases\u002Fmulti-table-databases\u002Fouter-joins","06.databases\u002F04.multi-table-databases\u002F02.outer-joins",{"title":2933,"path":2934,"stem":2935},"CROSS та SELF JOINs","\u002Fdatabases\u002Fmulti-table-databases\u002Fcross-self-joins","06.databases\u002F04.multi-table-databases\u002F03.cross-self-joins",{"title":2937,"path":2938,"stem":2939},"Підзапити (Subqueries)","\u002Fdatabases\u002Fmulti-table-databases\u002Fsubqueries","06.databases\u002F04.multi-table-databases\u002F04.subqueries",{"title":2941,"path":2942,"stem":2943},"Агрегації з JOIN","\u002Fdatabases\u002Fmulti-table-databases\u002Faggregations-with-joins","06.databases\u002F04.multi-table-databases\u002F05.aggregations-with-joins",{"title":2945,"icon":2946,"path":2947,"stem":2948,"children":2949,"page":59},"Aggregate Functions","i-lucide-calculator","\u002Fdatabases\u002Faggregate-functions","06.databases\u002F05.aggregate-functions",[2950,2954,2958],{"title":2951,"path":2952,"stem":2953},"Функції агрегування в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fintroduction-aggregate-functions","06.databases\u002F05.aggregate-functions\u002F01.introduction-aggregate-functions",{"title":2955,"path":2956,"stem":2957},"Групування даних в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fgrouping-data","06.databases\u002F05.aggregate-functions\u002F02.grouping-data",{"title":2959,"path":2960,"stem":2961},"Підзапити з агрегатними функціями","\u002Fdatabases\u002Faggregate-functions\u002Fsubqueries-aggregates","06.databases\u002F05.aggregate-functions\u002F03.subqueries-aggregates",{"title":2963,"icon":2964,"path":2965,"stem":2966,"children":2967,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","\u002Fdatabases\u002Ftriggers-stored-procedures","06.databases\u002F07.triggers-stored-procedures",[2968,2972,2976,2980,2984,2988,2992],{"title":2969,"path":2970,"stem":2971},"DML-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fdml-triggers","06.databases\u002F07.triggers-stored-procedures\u002F01.dml-triggers",{"title":2973,"path":2974,"stem":2975},"DDL-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fddl-triggers","06.databases\u002F07.triggers-stored-procedures\u002F02.ddl-triggers",{"title":2977,"path":2978,"stem":2979},"Transact-SQL розширення","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransact-sql-extensions","06.databases\u002F07.triggers-stored-procedures\u002F03.transact-sql-extensions",{"title":2981,"path":2982,"stem":2983},"Транзакції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransactions","06.databases\u002F07.triggers-stored-procedures\u002F04.transactions",{"title":2985,"path":2986,"stem":2987},"Зберігаємі процедури","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fstored-procedures","06.databases\u002F07.triggers-stored-procedures\u002F05.stored-procedures",{"title":2989,"path":2990,"stem":2991},"Користувацькі функції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fuser-defined-functions","06.databases\u002F07.triggers-stored-procedures\u002F06.user-defined-functions",{"title":2993,"path":2994,"stem":2995},"Безпека баз даних","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fsecurity","06.databases\u002F07.triggers-stored-procedures\u002F08.security",{"title":2993,"icon":793,"path":2997,"stem":2998,"children":2999,"page":59},"\u002Fdatabases\u002Fsecurity","06.databases\u002F08.security",[3000,3004],{"title":3001,"path":3002,"stem":3003},"Вступ до безпеки баз даних","\u002Fdatabases\u002Fsecurity\u002Fintroduction","06.databases\u002F08.security\u002F01.introduction",{"title":3005,"path":3006,"stem":3007},"Системні представлення та метадані","\u002Fdatabases\u002Fsecurity\u002Fsystem-views","06.databases\u002F08.security\u002F02.system-views",{"title":3009,"icon":3010,"path":3011,"stem":3012,"children":3013,"page":59},"Резервне копіювання та відновлення","i-lucide-database-backup","\u002Fdatabases\u002Fbackup-recovery","06.databases\u002F09.backup-recovery",[3014],{"title":3009,"path":3015,"stem":3016},"\u002Fdatabases\u002Fbackup-recovery\u002Fbackup-restore","06.databases\u002F09.backup-recovery\u002F01.backup-restore",{"title":3018,"icon":3019,"path":3020,"stem":3021,"children":3022,"page":59},"Повнотекстовий пошук","i-lucide-search","\u002Fdatabases\u002Ffull-text-search","06.databases\u002F10.full-text-search",[3023],{"title":3018,"path":3024,"stem":3025},"\u002Fdatabases\u002Ffull-text-search\u002Ffull-text-search","06.databases\u002F10.full-text-search\u002F01.full-text-search",{"title":3027,"icon":3028,"path":3029,"stem":3030,"children":3031,"page":59},"Tools","i-lucide-wrench","\u002Ftools","07.tools",[3032,3108],{"title":3033,"icon":3034,"path":3035,"stem":3036,"children":3037},"Docker","i-simple-icons-docker","\u002Ftools\u002Fdocker","07.tools\u002F01.docker\u002Findex",[3038,3040,3044,3048,3052,3056,3060,3064,3068,3072,3076,3080,3084,3088,3092,3096,3100,3104],{"title":3039,"path":3035,"stem":3036},"Docker: від нуля до production",{"title":3041,"path":3042,"stem":3043},"Контейнеризація — від проблеми до рішення","\u002Ftools\u002Fdocker\u002Fcontainerization-concept","07.tools\u002F01.docker\u002F01.containerization-concept",{"title":3045,"path":3046,"stem":3047},"Docker — що це і навіщо?","\u002Ftools\u002Fdocker\u002Fdocker-what-and-why","07.tools\u002F01.docker\u002F02.docker-what-and-why",{"title":3049,"path":3050,"stem":3051},"Архітектура Docker Engine","\u002Ftools\u002Fdocker\u002Fdocker-architecture","07.tools\u002F01.docker\u002F03.docker-architecture",{"title":3053,"path":3054,"stem":3055},"Встановлення Docker","\u002Ftools\u002Fdocker\u002Finstallation","07.tools\u002F01.docker\u002F04.installation",{"title":3057,"path":3058,"stem":3059},"Перший контейнер — docker run","\u002Ftools\u002Fdocker\u002Ffirst-container","07.tools\u002F01.docker\u002F05.first-container",{"title":3061,"path":3062,"stem":3063},"Життєвий цикл контейнера","\u002Ftools\u002Fdocker\u002Fcontainer-lifecycle","07.tools\u002F01.docker\u002F06.container-lifecycle",{"title":3065,"path":3066,"stem":3067},"Docker Images — фундаментальні концепції","\u002Ftools\u002Fdocker\u002Fdocker-images-fundamentals","07.tools\u002F01.docker\u002F07.docker-images-fundamentals",{"title":3069,"path":3070,"stem":3071},"Dockerfile — основи","\u002Ftools\u002Fdocker\u002Fdockerfile-basics","07.tools\u002F01.docker\u002F08.dockerfile-basics",{"title":3073,"path":3074,"stem":3075},"Dockerfile — просунуті техніки","\u002Ftools\u002Fdocker\u002Fdockerfile-advanced","07.tools\u002F01.docker\u002F09.dockerfile-advanced",{"title":3077,"path":3078,"stem":3079},"Build Context та кешування шарів","\u002Ftools\u002Fdocker\u002Fbuild-context-and-cache","07.tools\u002F01.docker\u002F10.build-context-and-cache",{"title":3081,"path":3082,"stem":3083},"Реєстри Docker-образів","\u002Ftools\u002Fdocker\u002Fimage-registries","07.tools\u002F01.docker\u002F11.image-registries",{"title":3085,"path":3086,"stem":3087},"Контейнеризація .NET додатків","\u002Ftools\u002Fdocker\u002Fdotnet-containerization","07.tools\u002F01.docker\u002F12.dotnet-containerization",{"title":3089,"path":3090,"stem":3091},"Томи та збереження даних","\u002Ftools\u002Fdocker\u002Fvolumes-and-data","07.tools\u002F01.docker\u002F13.volumes-and-data",{"title":3093,"path":3094,"stem":3095},"Основи мережі в Docker","\u002Ftools\u002Fdocker\u002Fnetworking-basics","07.tools\u002F01.docker\u002F14.networking-basics",{"title":3097,"path":3098,"stem":3099},"Змінні оточення та конфігурація","\u002Ftools\u002Fdocker\u002Fenvironment-and-configuration","07.tools\u002F01.docker\u002F15.environment-and-configuration",{"title":3101,"path":3102,"stem":3103},"Docker Compose — оркестрація контейнерів","\u002Ftools\u002Fdocker\u002Fdocker-compose-basics","07.tools\u002F01.docker\u002F16.docker-compose-basics",{"title":3105,"path":3106,"stem":3107},"Docker Compose — Multi-Service застосунки","\u002Ftools\u002Fdocker\u002Fcompose-multi-service","07.tools\u002F01.docker\u002F17.compose-multi-service",{"title":3109,"icon":3110,"path":3111,"stem":3112,"children":3113},"Kubernetes","simple-icons:kubernetes","\u002Ftools\u002Fkubernetes","07.tools\u002F02.kubernetes\u002Findex",[3114,3116,3120,3124,3128,3132,3136,3140,3144],{"title":3115,"path":3111,"stem":3112},"Kubernetes: від розробки до production",{"title":3117,"path":3118,"stem":3119},"Kubernetes — коли Docker Compose більше не вистачає","\u002Ftools\u002Fkubernetes\u002Fwhy-kubernetes","07.tools\u002F02.kubernetes\u002F01.why-kubernetes",{"title":3121,"path":3122,"stem":3123},"Архітектура Kubernetes — анатомія кластера","\u002Ftools\u002Fkubernetes\u002Fkubernetes-architecture","07.tools\u002F02.kubernetes\u002F02.kubernetes-architecture",{"title":3125,"path":3126,"stem":3127},"Локальне середовище — minikube, kind та k3s","\u002Ftools\u002Fkubernetes\u002Flocal-environment","07.tools\u002F02.kubernetes\u002F03.local-environment",{"title":3129,"path":3130,"stem":3131},"Pod — атомарна одиниця Kubernetes","\u002Ftools\u002Fkubernetes\u002Fpods-and-containers","07.tools\u002F02.kubernetes\u002F04.pods-and-containers",{"title":3133,"path":3134,"stem":3135},"Патерни використання Pod","\u002Ftools\u002Fkubernetes\u002Fpod-patterns","07.tools\u002F02.kubernetes\u002F05.pod-patterns",{"title":3137,"path":3138,"stem":3139},"Deployment — декларативне управління Pod","\u002Ftools\u002Fkubernetes\u002Fdeployment-basics","07.tools\u002F02.kubernetes\u002F06.deployment-basics",{"title":3141,"path":3142,"stem":3143},"Rolling Updates та управління життєвим циклом Deployment","\u002Ftools\u002Fkubernetes\u002Fdeployment-rolling-updates","07.tools\u002F02.kubernetes\u002F07.deployment-rolling-updates",{"title":3145,"path":3146,"stem":3147},"Service — мережева абстракція для Pod","\u002Ftools\u002Fkubernetes\u002Fservices-networking","07.tools\u002F02.kubernetes\u002F08.services-networking",{"title":3149,"icon":3150,"path":3151,"stem":3152,"children":3153,"page":59},"Software Engineering","i-lucide-code-2","\u002Fsoftware-engineering","09.software-engineering",[3154,3158,3162,3166,3170,3174,3178,3182,3186,3190,3194],{"title":3155,"path":3156,"stem":3157},"1. Аналіз предметної області. Експертні знання та складність","\u002Fsoftware-engineering\u002Fintro-subdomains","09.software-engineering\u002F01.intro-subdomains",{"title":3159,"path":3160,"stem":3161},"2. Обмежені контексти. Інтеграція обмежених контекстів","\u002Fsoftware-engineering\u002Fintegrating-limited-contexts","09.software-engineering\u002F02.integrating-limited-contexts",{"title":3163,"path":3164,"stem":3165},"3. Реалізація простої бізнес-логіки","\u002Fsoftware-engineering\u002Fsimple","09.software-engineering\u002F03.simple",{"title":3167,"path":3168,"stem":3169},"4. Опрацювання складної бізнес-логіки","\u002Fsoftware-engineering\u002Fcomplex-business-logic","09.software-engineering\u002F04.complex-business-logic",{"title":3171,"path":3172,"stem":3173},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","\u002Fsoftware-engineering\u002Fmodelling-the-time-factor","09.software-engineering\u002F05.modelling-the-time-factor",{"title":3175,"path":3176,"stem":3177},"6. Архітектурні патерни","\u002Fsoftware-engineering\u002Farchitectural-patterns","09.software-engineering\u002F06.architectural-patterns",{"title":3179,"path":3180,"stem":3181},"Паттерни взаємодії","\u002Fsoftware-engineering\u002Fpatterns-of-interaction","09.software-engineering\u002F07.patterns-of-interaction",{"title":3183,"path":3184,"stem":3185},"Евристика проєктування","\u002Fsoftware-engineering\u002Fdesign-heuristics","09.software-engineering\u002F08.design-heuristics",{"title":3187,"path":3188,"stem":3189},"Еволюція проєктних рішень","\u002Fsoftware-engineering\u002Fevolution-of-design-solutions","09.software-engineering\u002F09.evolution-of-design-solutions",{"title":3191,"path":3192,"stem":3193},"EventStorming","\u002Fsoftware-engineering\u002Feventstorming","09.software-engineering\u002F10.eventstorming",{"title":3195,"path":3196,"stem":3197},"DDD на практиці","\u002Fsoftware-engineering\u002Fddd-in-practice","09.software-engineering\u002F11.ddd-in-practice",{"title":3199,"icon":943,"path":3200,"stem":3201,"children":3202,"page":59},"DDD","\u002Fddd","10.ddd",[3203,3207,3211,3215,3219,3223,3227,3231,3235,3239,3243,3247,3251],{"title":3204,"path":3205,"stem":3206},"Аналіз предметної області","\u002Fddd\u002Fdomain-analysis","10.ddd\u002F01.domain-analysis",{"title":3208,"path":3209,"stem":3210},"Експертні знання про предметну область","\u002Fddd\u002Fdomain-expert-knowledge","10.ddd\u002F02.domain-expert-knowledge",{"title":3212,"path":3213,"stem":3214},"Як осмислити складність предметної області","\u002Fddd\u002Fmanaging-domain-complexity","10.ddd\u002F03.managing-domain-complexity",{"title":3216,"path":3217,"stem":3218},"Інтеграція обмежених контекстів","\u002Fddd\u002Fbounded-context-integration","10.ddd\u002F04.bounded-context-integration",{"title":3220,"path":3221,"stem":3222},"Реалізація простої бізнес-логіки","\u002Fddd\u002Fsimple-business-logic","10.ddd\u002F05.simple-business-logic",{"title":3224,"path":3225,"stem":3226},"Обробка складної бізнес-логіки","\u002Fddd\u002Fcomplex-business-logic","10.ddd\u002F06.complex-business-logic",{"title":3228,"path":3229,"stem":3230},"Моделювання фактора часу","\u002Fddd\u002Ftime-modeling","10.ddd\u002F07.time-modeling",{"title":3232,"path":3233,"stem":3234},"Глава 8. Архітектурні Патерни","\u002Fddd\u002Farchitectural-patterns","10.ddd\u002F08.architectural-patterns",{"title":3236,"path":3237,"stem":3238},"Глава 9. Патерни Взаємодії","\u002Fddd\u002Finteraction-patterns","10.ddd\u002F09.interaction-patterns",{"title":3240,"path":3241,"stem":3242},"Глава 10. Проектні Евристики","\u002Fddd\u002Fdesign-heuristics","10.ddd\u002F10.design-heuristics",{"title":3244,"path":3245,"stem":3246},"Глава 11. Еволюція Проектних Рішень","\u002Fddd\u002Fevolution-of-design-decisions","10.ddd\u002F11.evolution-of-design-decisions",{"title":3248,"path":3249,"stem":3250},"Глава 12. EventStorming","\u002Fddd\u002Fevent-storming","10.ddd\u002F12.event-storming",{"title":3252,"path":3253,"stem":3254},"Глава 13. DDD на Практиці","\u002Fddd\u002Fddd-in-practice","10.ddd\u002F13.ddd-in-practice",{"title":3256,"icon":3257,"path":3258,"stem":3259,"children":3260,"page":59},"Media Streaming","i-lucide-video","\u002Fmedia-streaming","11.media-streaming",[3261,3265,3269,3273,3277,3281,3285],{"title":3262,"path":3263,"stem":3264},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","\u002Fmedia-streaming\u002Fintroduction","11.media-streaming\u002F01.introduction",{"title":3266,"path":3267,"stem":3268},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","\u002Fmedia-streaming\u002Faudio-video-anatomy","11.media-streaming\u002F02.audio-video-anatomy",{"title":3270,"path":3271,"stem":3272},"03. The Gym: FFmpeg Deep Dive","\u002Fmedia-streaming\u002Fffmpeg-gym","11.media-streaming\u002F03.ffmpeg-gym",{"title":3274,"path":3275,"stem":3276},"04. HLS Protocol: HTTP Live Streaming у Деталях","\u002Fmedia-streaming\u002Fhls-protocol","11.media-streaming\u002F04.hls-protocol",{"title":3278,"path":3279,"stem":3280},"05. DASH Protocol: Відкритий Стандарт","\u002Fmedia-streaming\u002Fdash-protocol","11.media-streaming\u002F05.dash-protocol",{"title":3282,"path":3283,"stem":3284},"06. Масштабування: CDN та Adaptive Bitrate","\u002Fmedia-streaming\u002Fcdn-and-adaptive-bitrate","11.media-streaming\u002F06.cdn-and-adaptive-bitrate",{"title":3286,"path":3287,"stem":3288},"07. Війна із Затримкою (Latency)","\u002Fmedia-streaming\u002Frealtime-latency","11.media-streaming\u002F07.realtime-latency",{"title":3290,"icon":3291,"path":3292,"stem":3293,"children":3294,"page":59},"HTML & CSS","i-devicon-html5","\u002Fhtml-css","12.html-css",[3295,3299,3303,3307,3311,3315,3319,3323,3327,3331,3335,3339,3343,3347,3351,3355,3359,3363,3367,3371,3375,3379,3383,3387,3391,3395,3399,3403,3407,3411],{"title":3296,"path":3297,"stem":3298},"Вступ до HTML. Структура документа","\u002Fhtml-css\u002Fintro-html-structure","12.html-css\u002F01.intro-html-structure",{"title":3300,"path":3301,"stem":3302},"Форматування тексту в HTML","\u002Fhtml-css\u002Fhtml-text-formatting","12.html-css\u002F02.html-text-formatting",{"title":3304,"path":3305,"stem":3306},"Посилання та зображення в HTML","\u002Fhtml-css\u002Fhtml-links-images","12.html-css\u002F03.html-links-images",{"title":3308,"path":3309,"stem":3310},"Списки та таблиці в HTML","\u002Fhtml-css\u002Fhtml-lists-tables","12.html-css\u002F04.html-lists-tables",{"title":3312,"path":3313,"stem":3314},"Форми в HTML","\u002Fhtml-css\u002Fhtml-forms","12.html-css\u002F05.html-forms",{"title":3316,"path":3317,"stem":3318},"Семантичні елементи HTML5","\u002Fhtml-css\u002Fhtml-semantic-elements","12.html-css\u002F06.html-semantic-elements",{"title":3320,"path":3321,"stem":3322},"Мультимедіа та розширені елементи HTML","\u002Fhtml-css\u002Fhtml-multimedia-advanced","12.html-css\u002F07.html-multimedia-advanced",{"title":3324,"path":3325,"stem":3326},"Мікророзмітка та SEO в HTML","\u002Fhtml-css\u002Fhtml-microdata-seo","12.html-css\u002F08.html-microdata-seo",{"title":3328,"path":3329,"stem":3330},"Вступ до CSS. Селектори та специфічність","\u002Fhtml-css\u002Fcss-intro-selectors","12.html-css\u002F09.css-intro-selectors",{"title":3332,"path":3333,"stem":3334},"Блокова модель CSS. Відступи. Box Sizing","\u002Fhtml-css\u002Fcss-box-model","12.html-css\u002F10.css-box-model",{"title":3336,"path":3337,"stem":3338},"Розміри у CSS: повний довідник одиниць і ключових слів","\u002Fhtml-css\u002F10a.css-sizing","12.html-css\u002F10a.css-sizing",{"title":3340,"path":3341,"stem":3342},"Типографіка в CSS. Шрифти та текст","\u002Fhtml-css\u002Fcss-typography","12.html-css\u002F11.css-typography",{"title":3344,"path":3345,"stem":3346},"Кольори та фони в CSS","\u002Fhtml-css\u002Fcss-colors-backgrounds","12.html-css\u002F12.css-colors-backgrounds",{"title":3348,"path":3349,"stem":3350},"Тіні та фільтри в CSS","\u002Fhtml-css\u002F12b.css-shadows-filters","12.html-css\u002F12b.css-shadows-filters",{"title":3352,"path":3353,"stem":3354},"CSS Flexbox: Фундамент гнучких макетів","\u002Fhtml-css\u002Fcss-flexbox-fundamentals","12.html-css\u002F13.css-flexbox-fundamentals",{"title":3356,"path":3357,"stem":3358},"CSS Flexbox: Вирівнювання та Позиціонування","\u002Fhtml-css\u002Fcss-flexbox-alignment-sizing-and-patterns","12.html-css\u002F14.css-flexbox-alignment-sizing-and-patterns",{"title":3360,"path":3361,"stem":3362},"CSS Grid. Двовимірний макет. Частина 1","\u002Fhtml-css\u002Fcss-layout-grid","12.html-css\u002F15.css-layout-grid",{"title":3364,"path":3365,"stem":3366},"CSS Grid. Двовимірний макет. Частина 2","\u002Fhtml-css\u002Fcss-layout-grid-advanced","12.html-css\u002F16.css-layout-grid-advanced",{"title":3368,"path":3369,"stem":3370},"Позиціонування в CSS. Z-index. Stacking Context","\u002Fhtml-css\u002Fcss-positioning","12.html-css\u002F17.css-positioning",{"title":3372,"path":3373,"stem":3374},"CSS Анімації та Переходи","\u002Fhtml-css\u002Fcss-animations-transitions","12.html-css\u002F18.css-animations-transitions",{"title":3376,"path":3377,"stem":3378},"Адаптивний дизайн. Media Queries. Частина 1","\u002Fhtml-css\u002Fcss-responsive-media-queries","12.html-css\u002F19.css-responsive-media-queries",{"title":3380,"path":3381,"stem":3382},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","\u002Fhtml-css\u002Fcss-responsive-advanced","12.html-css\u002F20.css-responsive-advanced",{"title":3384,"path":3385,"stem":3386},"CSS Custom Properties. Методології. Сучасний CSS","\u002Fhtml-css\u002Fcss-variables-methodologies","12.html-css\u002F21.css-variables-methodologies",{"title":3388,"path":3389,"stem":3390},"Сучасний CSS 2023–2025: Нові можливості","\u002Fhtml-css\u002Fcss-modern-features","12.html-css\u002F22.css-modern-features",{"title":3392,"path":3393,"stem":3394},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","\u002Fhtml-css\u002F22a.css-nesting-modern-syntax","12.html-css\u002F22a.css-nesting-modern-syntax",{"title":3396,"path":3397,"stem":3398},"CSS для форм та інтерактивних станів","\u002Fhtml-css\u002Fcss-forms-interactive-states","12.html-css\u002F23.css-forms-interactive-states",{"title":3400,"path":3401,"stem":3402},"Доступність у CSS (CSS Accessibility)","\u002Fhtml-css\u002Fcss-accessibility","12.html-css\u002F24.css-accessibility",{"title":3404,"path":3405,"stem":3406},"CSS-функції та сучасні sizing primitives","\u002Fhtml-css\u002Fcss-functions-sizing","12.html-css\u002F25.css-functions-sizing",{"title":3408,"path":3409,"stem":3410},"Rendering Pipeline і CSS Performance","\u002Fhtml-css\u002Fcss-rendering-performance","12.html-css\u002F26.css-rendering-performance",{"title":3412,"path":3413,"stem":3414},"CSS Best Practices: типові ситуації та правильні рішення","\u002Fhtml-css\u002Fcss-best-practices","12.html-css\u002F27.css-best-practices",{"title":3416,"path":3417,"stem":3418,"children":3419,"page":59},"AWS","\u002Faws","13.aws",[3420,3424,3428,3432,3436,3440,3444,3448,3452,3456,3460,3464,3468,3472,3476,3480,3484,3488],{"title":3421,"path":3422,"stem":3423},"Реєстрація AWS акаунту та студентські програми","\u002Faws\u002Faccount-registration","13.aws\u002F00.account-registration",{"title":3425,"path":3426,"stem":3427},"Вступ до хмарних обчислень та AWS","\u002Faws\u002Fintroduction-to-cloud","13.aws\u002F01.introduction-to-cloud",{"title":3429,"path":3430,"stem":3431},"AWS IAM — Identity and Access Management","\u002Faws\u002Fiam","13.aws\u002F02.iam",{"title":3433,"path":3434,"stem":3435},"AWS IAM CLI — Довідник команд","\u002Faws\u002F02a.iam-doc","13.aws\u002F02a.iam-doc",{"title":3437,"path":3438,"stem":3439},"Docker та контейнеризація в AWS — ECR, ECS та Fargate","\u002Faws\u002Fdocker-ecs","13.aws\u002F03.docker-ecs",{"title":3441,"path":3442,"stem":3443},"AWS ECR \u002F ECS CLI — Довідник команд","\u002Faws\u002F03a.docker-ecs-doc","13.aws\u002F03a.docker-ecs-doc",{"title":3445,"path":3446,"stem":3447},"Amazon EC2 — Elastic Compute Cloud","\u002Faws\u002Fec2","13.aws\u002F04.ec2",{"title":3449,"path":3450,"stem":3451},"AWS EC2 CLI — Довідник команд","\u002Faws\u002F04a.ec2-doc","13.aws\u002F04a.ec2-doc",{"title":3453,"path":3454,"stem":3455},"Elastic Load Balancing та Auto Scaling","\u002Faws\u002Falb-asg","13.aws\u002F05.alb-asg",{"title":3457,"path":3458,"stem":3459},"Amazon S3 — Simple Storage Service","\u002Faws\u002Fs3","13.aws\u002F06.s3",{"title":3461,"path":3462,"stem":3463},"Amazon CloudFront — Content Delivery Network","\u002Faws\u002Fcloudfront","13.aws\u002F07.cloudfront",{"title":3465,"path":3466,"stem":3467},"Amazon RDS — Relational Database Service","\u002Faws\u002Frds","13.aws\u002F08.rds",{"title":3469,"path":3470,"stem":3471},"Amazon DynamoDB — NoSQL Database","\u002Faws\u002Fdynamodb","13.aws\u002F09.dynamodb",{"title":3473,"path":3474,"stem":3475},"AWS Lambda та Serverless Compute","\u002Faws\u002Flambda","13.aws\u002F10.lambda",{"title":3477,"path":3478,"stem":3479},"Amazon Bedrock - Foundation Models, RAG та Agents","\u002Faws\u002Fbedrock","13.aws\u002F22.bedrock",{"title":3481,"path":3482,"stem":3483},"Amazon Rekognition - Комп'ютерний зір","\u002Faws\u002Frekognition","13.aws\u002F23.rekognition",{"title":3485,"path":3486,"stem":3487},"Amazon Textract - Інтелектуальний аналіз документів","\u002Faws\u002Ftextract","13.aws\u002F24.textract",{"title":3489,"path":3490,"stem":3491},"Amazon Polly, Transcribe, Comprehend та Translate","\u002Faws\u002Faudio-nlp-services","13.aws\u002F25.audio-nlp-services",{"title":3493,"path":3494,"stem":3495,"children":3496,"page":59},"Ai Development","\u002Fai-development","14.ai-development",[3497],{"title":3498,"path":3499,"stem":3500,"children":3501,"page":59},"Foundations","\u002Fai-development\u002Ffoundations","14.ai-development\u002F00.foundations",[3502],{"title":3503,"path":3504,"stem":3505},"Модуль 0.1. Що таке Large Language Model (LLM)","\u002Fai-development\u002Ffoundations\u002Fwhat-is-llm","14.ai-development\u002F00.foundations\u002F01.what-is-llm",{"title":3507,"path":3508,"stem":3509,"children":3510,"page":59},"React Native","\u002Freact-native","15.react-native",[3511,3532],{"title":3512,"path":3513,"stem":3514,"children":3515,"page":59},"Version1","\u002Freact-native\u002Fversion1","15.react-native\u002Fversion1",[3516,3520,3524,3528],{"title":3517,"path":3518,"stem":3519},"Що таке React Native","\u002Freact-native\u002Fversion1\u002Fwhat-is-react-native","15.react-native\u002Fversion1\u002F01.what-is-react-native",{"title":3521,"path":3522,"stem":3523},"Як влаштований React Native «під капотом»","\u002Freact-native\u002Fversion1\u002Freact-native-architecture","15.react-native\u002Fversion1\u002F02.react-native-architecture",{"title":3525,"path":3526,"stem":3527},"Від React до React Native: ключові відмінності","\u002Freact-native\u002Fversion1\u002Freact-native-vs-react","15.react-native\u002Fversion1\u002F03.react-native-vs-react",{"title":3529,"path":3530,"stem":3531},"View та Text — фундаментальні будівельні блоки","\u002Freact-native\u002Fversion1\u002Fview-and-text","15.react-native\u002Fversion1\u002F04.view-and-text",{"title":3533,"path":3534,"stem":3535,"children":3536,"page":59},"Version2","\u002Freact-native\u002Fversion2","15.react-native\u002Fversion2",[3537,3541,3545,3549,3553,3557,3561,3565,3569,3573,3577,3581,3585,3589,3593,3597,3601,3605,3609,3613,3617,3621,3625,3629,3633,3637,3641],{"title":3538,"path":3539,"stem":3540},"React Native — навіщо він потрібен","\u002Freact-native\u002Fversion2\u002Fwhy-react-native","15.react-native\u002Fversion2\u002F01.why-react-native",{"title":3542,"path":3543,"stem":3544},"Налаштування середовища розробки","\u002Freact-native\u002Fversion2\u002Fenvironment-setup","15.react-native\u002Fversion2\u002F02.environment-setup",{"title":3546,"path":3547,"stem":3548},"Expo і класичний React Native — два шляхи одного фреймворку","\u002Freact-native\u002Fversion2\u002Fexpo-vs-cli-landscape","15.react-native\u002Fversion2\u002F03.expo-vs-cli-landscape",{"title":3550,"path":3551,"stem":3552},"Середовище Expo — перший запуск","\u002Freact-native\u002Fversion2\u002Fexpo-setup-and-tooling","15.react-native\u002Fversion2\u002F04.expo-setup-and-tooling",{"title":3554,"path":3555,"stem":3556},"Структура проєкту та перші UI-примітиви","\u002Freact-native\u002Fversion2\u002Fproject-structure-and-conventions","15.react-native\u002Fversion2\u002F05.project-structure-and-conventions",{"title":3558,"path":3559,"stem":3560},"Базові компоненти React Native","\u002Freact-native\u002Fversion2\u002Fcore-components","15.react-native\u002Fversion2\u002F06.core-components",{"title":3562,"path":3563,"stem":3564},"Flexbox і layout у React Native","\u002Freact-native\u002Fversion2\u002Fflexbox-and-layout","15.react-native\u002Fversion2\u002F07.flexbox-and-layout",{"title":3566,"path":3567,"stem":3568},"StyleSheet і теми (light \u002F dark)","\u002Freact-native\u002Fversion2\u002Fstylesheet-and-theming","15.react-native\u002Fversion2\u002F08.stylesheet-and-theming",{"title":3570,"path":3571,"stem":3572},"Списки та віртуалізація","\u002Freact-native\u002Fversion2\u002Flists-and-virtualization","15.react-native\u002Fversion2\u002F09.lists-and-virtualization",{"title":3574,"path":3575,"stem":3576},"Форми, ввід і валідація","\u002Freact-native\u002Fversion2\u002Fforms-input-validation","15.react-native\u002Fversion2\u002F10.forms-input-validation",{"title":3578,"path":3579,"stem":3580},"Основи Expo Router","\u002Freact-native\u002Fversion2\u002Fexpo-router-basics","15.react-native\u002Fversion2\u002F11.expo-router-basics",{"title":3582,"path":3583,"stem":3584},"Вкладені навігатори та модалки","\u002Freact-native\u002Fversion2\u002Fnested-navigators-and-modals","15.react-native\u002Fversion2\u002F12.nested-navigators-and-modals",{"title":3586,"path":3587,"stem":3588},"Deep linking і параметри маршрутів","\u002Freact-native\u002Fversion2\u002Fdeep-linking-and-params","15.react-native\u002Fversion2\u002F13.deep-linking-and-params",{"title":3590,"path":3591,"stem":3592},"Робота з мережею та життєвий цикл застосунку","\u002Freact-native\u002Fversion2\u002Fnetworking-and-app-lifecycle","15.react-native\u002Fversion2\u002F14.networking-and-app-lifecycle",{"title":3594,"path":3595,"stem":3596},"Redux Toolkit на мобільних платформах","\u002Freact-native\u002Fversion2\u002Fredux-toolkit-on-mobile","15.react-native\u002Fversion2\u002F15.redux-toolkit-on-mobile",{"title":3598,"path":3599,"stem":3600},"RTK Query на мобільних платформах","\u002Freact-native\u002Fversion2\u002Frtk-query-mobile","15.react-native\u002Fversion2\u002F16.rtk-query-mobile",{"title":3602,"path":3603,"stem":3604},"Автентифікація та Безпечне Зберігання","\u002Freact-native\u002Fversion2\u002Fauth-secure-storage","15.react-native\u002Fversion2\u002F18.auth-secure-storage",{"title":3606,"path":3607,"stem":3608},"Локальне сховище — AsyncStorage, MMKV, SQLite","\u002Freact-native\u002Fversion2\u002Flocal-storage-mmkv-sqlite","15.react-native\u002Fversion2\u002F19.local-storage-mmkv-sqlite",{"title":3610,"path":3611,"stem":3612},"Офлайн-First і синхронізація","\u002Freact-native\u002Fversion2\u002Foffline-first-sync","15.react-native\u002Fversion2\u002F20.offline-first-sync",{"title":3614,"path":3615,"stem":3616},"Камера, медіа та файлова система","\u002Freact-native\u002Fversion2\u002Fcamera-media-filesystem","15.react-native\u002Fversion2\u002F21.camera-media-filesystem",{"title":3618,"path":3619,"stem":3620},"Карти та геолокація","\u002Freact-native\u002Fversion2\u002Fmaps-and-location","15.react-native\u002Fversion2\u002F22.maps-and-location",{"title":3622,"path":3623,"stem":3624},"Жести та дотики","\u002Freact-native\u002Fversion2\u002Fgestures-and-touch","15.react-native\u002Fversion2\u002F23.gestures-and-touch",{"title":3626,"path":3627,"stem":3628},"Анімації з Reanimated","\u002Freact-native\u002Fversion2\u002Freanimated-animations","15.react-native\u002Fversion2\u002F24.reanimated-animations",{"title":3630,"path":3631,"stem":3632},"Push і локальні сповіщення","\u002Freact-native\u002Fversion2\u002Fpush-and-local-notifications","15.react-native\u002Fversion2\u002F25.push-and-local-notifications",{"title":3634,"path":3635,"stem":3636},"Інтернаціоналізація та доступність","\u002Freact-native\u002Fversion2\u002Faccessibility-and-i18n","15.react-native\u002Fversion2\u002F26.accessibility-and-i18n",{"title":3638,"path":3639,"stem":3640},"EAS Build та профілі збірки","\u002Freact-native\u002Fversion2\u002Feas-build-and-profiles","15.react-native\u002Fversion2\u002F29.eas-build-and-profiles",{"title":3642,"path":3643,"stem":3644},"Публікація в App Store та Google Play","\u002Freact-native\u002Fversion2\u002Fapp-store-play-release","15.react-native\u002Fversion2\u002F30.app-store-play-release",{"title":3646,"path":3647,"stem":3648,"children":3649,"page":59},"Ai Python","\u002Fai-python","16.ai-python",[3650,3659,3668,3677,3706,3732,3757,3790,3807,3820,3829,3842,3851,3872,3885,3906],{"title":3651,"path":3652,"stem":3653,"children":3654,"page":59},"Intro To Ai","\u002Fai-python\u002Fintro-to-ai","16.ai-python\u002F01.intro-to-ai",[3655],{"title":3656,"path":3657,"stem":3658},"Вступ до штучного інтелекту та машинного навчання","\u002Fai-python\u002Fintro-to-ai\u002Fintro-to-ai","16.ai-python\u002F01.intro-to-ai\u002F01.intro-to-ai",{"title":3660,"path":3661,"stem":3662,"children":3663,"page":59},"Jupyter Notebook","\u002Fai-python\u002Fjupyter-notebook","16.ai-python\u002F02.jupyter-notebook",[3664],{"title":3665,"path":3666,"stem":3667},"Знайомство з Jupyter Notebook та JupyterLab","\u002Fai-python\u002Fjupyter-notebook\u002Fjupyter-notebook","16.ai-python\u002F02.jupyter-notebook\u002F02.jupyter-notebook",{"title":3669,"path":3670,"stem":3671,"children":3672,"page":59},"Numpy Pandas","\u002Fai-python\u002Fnumpy-pandas","16.ai-python\u002F03.numpy-pandas",[3673],{"title":3674,"path":3675,"stem":3676},"Робота з даними з використанням NumPy і pandas","\u002Fai-python\u002Fnumpy-pandas\u002Fnumpy-pandas","16.ai-python\u002F03.numpy-pandas\u002F03.numpy-pandas",{"title":3678,"path":3679,"stem":3680,"children":3681,"page":59},"Statistics Basics","\u002Fai-python\u002Fstatistics-basics","16.ai-python\u002F04.statistics-basics",[3682,3686,3690,3694,3698,3702],{"title":3683,"path":3684,"stem":3685},"Випадкові величини та їх типи","\u002Fai-python\u002Fstatistics-basics\u002Frandom-variables","16.ai-python\u002F04.statistics-basics\u002F01.random-variables",{"title":3687,"path":3688,"stem":3689},"Міри центральної тенденції","\u002Fai-python\u002Fstatistics-basics\u002Fcentral-tendency","16.ai-python\u002F04.statistics-basics\u002F02.central-tendency",{"title":3691,"path":3692,"stem":3693},"Міри варіації (розсіювання)","\u002Fai-python\u002Fstatistics-basics\u002Fvariability","16.ai-python\u002F04.statistics-basics\u002F03.variability",{"title":3695,"path":3696,"stem":3697},"Розподіли випадкових величин","\u002Fai-python\u002Fstatistics-basics\u002Fdistributions","16.ai-python\u002F04.statistics-basics\u002F04.distributions",{"title":3699,"path":3700,"stem":3701},"Кореляція та взаємозв'язки","\u002Fai-python\u002Fstatistics-basics\u002Fcorrelation","16.ai-python\u002F04.statistics-basics\u002F05.correlation",{"title":3703,"path":3704,"stem":3705},"Викиди та аномалії","\u002Fai-python\u002Fstatistics-basics\u002Foutliers","16.ai-python\u002F04.statistics-basics\u002F06.outliers",{"title":3707,"path":3708,"stem":3709,"children":3710},"Візуалізація даних за допомогою matplotlib","\u002Fai-python\u002Fdata-visualization","16.ai-python\u002F05.data-visualization\u002Findex",[3711,3712,3716,3720,3724,3728],{"title":3707,"path":3708,"stem":3709},{"title":3713,"path":3714,"stem":3715},"Основи matplotlib — Figure, Axes та перший графік","\u002Fai-python\u002Fdata-visualization\u002Fmatplotlib-basics","16.ai-python\u002F05.data-visualization\u002F01.matplotlib-basics",{"title":3717,"path":3718,"stem":3719},"Візуалізація розподілів — гістограми та box plots","\u002Fai-python\u002Fdata-visualization\u002Fdistributions","16.ai-python\u002F05.data-visualization\u002F02.distributions",{"title":3721,"path":3722,"stem":3723},"Візуалізація залежностей — scatter plots та кореляція","\u002Fai-python\u002Fdata-visualization\u002Frelationships","16.ai-python\u002F05.data-visualization\u002F03.relationships",{"title":3725,"path":3726,"stem":3727},"Візуалізація категоріальних даних — bar charts та pie charts","\u002Fai-python\u002Fdata-visualization\u002Fcategorical","16.ai-python\u002F05.data-visualization\u002F04.categorical",{"title":3729,"path":3730,"stem":3731},"Композиції та стилізація — subplots та багатопанельні дашборди","\u002Fai-python\u002Fdata-visualization\u002Fsubplots-styling","16.ai-python\u002F05.data-visualization\u002F05.subplots-styling",{"title":3733,"path":3734,"stem":3735,"children":3736,"page":59},"Linear Regression","\u002Fai-python\u002Flinear-regression","16.ai-python\u002F06.linear-regression",[3737,3741,3745,3749,3753],{"title":3738,"path":3739,"stem":3740},"Регресійна задача та лінійна регресія з однією змінною","\u002Fai-python\u002Flinear-regression\u002Fregression-task","16.ai-python\u002F06.linear-regression\u002F01.regression-task",{"title":3742,"path":3743,"stem":3744},"Метрики якості регресії — як оцінити модель","\u002Fai-python\u002Flinear-regression\u002Fquality-metrics","16.ai-python\u002F06.linear-regression\u002F02.quality-metrics",{"title":3746,"path":3747,"stem":3748},"Градієнтний спуск — як модель навчається","\u002Fai-python\u002Flinear-regression\u002Fgradient-descent","16.ai-python\u002F06.linear-regression\u002F03.gradient-descent",{"title":3750,"path":3751,"stem":3752},"Множинна лінійна регресія — модель з багатьма ознаками","\u002Fai-python\u002Flinear-regression\u002Fmultiple-regression","16.ai-python\u002F06.linear-regression\u002F04.multiple-regression",{"title":3754,"path":3755,"stem":3756},"Практичні завдання та резюме модуля","\u002Fai-python\u002Flinear-regression\u002Fpractice","16.ai-python\u002F06.linear-regression\u002F05.practice",{"title":3758,"path":3759,"stem":3760,"children":3761,"page":59},"Practical Regression","\u002Fai-python\u002Fpractical-regression","16.ai-python\u002F07.practical-regression",[3762,3766,3770,3774,3778,3782,3786],{"title":3763,"path":3764,"stem":3765},"Знайомство з scikit-learn","\u002Fai-python\u002Fpractical-regression\u002Fintro-scikit-learn","16.ai-python\u002F07.practical-regression\u002F01.intro-scikit-learn",{"title":3767,"path":3768,"stem":3769},"Exploratory Data Analysis датасету Housing Prices","\u002Fai-python\u002Fpractical-regression\u002Fhousing-dataset-eda","16.ai-python\u002F07.practical-regression\u002F02.housing-dataset-eda",{"title":3771,"path":3772,"stem":3773},"Попередня обробка даних (Data Preprocessing)","\u002Fai-python\u002Fpractical-regression\u002Fdata-preprocessing","16.ai-python\u002F07.practical-regression\u002F03.data-preprocessing",{"title":3775,"path":3776,"stem":3777},"Train\u002FTest Split та перша повноцінна модель","\u002Fai-python\u002Fpractical-regression\u002Ftrain-test-split","16.ai-python\u002F07.practical-regression\u002F04.train-test-split",{"title":3779,"path":3780,"stem":3781},"Перенавчання та недонавчання","\u002Fai-python\u002Fpractical-regression\u002Foverfitting-underfitting","16.ai-python\u002F07.practical-regression\u002F05.overfitting-underfitting",{"title":3783,"path":3784,"stem":3785},"Крос-валідація (Cross-Validation)","\u002Fai-python\u002Fpractical-regression\u002Fcross-validation","16.ai-python\u002F07.practical-regression\u002F06.cross-validation",{"title":3787,"path":3788,"stem":3789},"Гіперпараметри та їх оптимізація","\u002Fai-python\u002Fpractical-regression\u002Fhyperparameter-tuning","16.ai-python\u002F07.practical-regression\u002F07.hyperparameter-tuning",{"title":3791,"path":3792,"stem":3793,"children":3794,"page":59},"Polynomial Regression","\u002Fai-python\u002Fpolynomial-regression","16.ai-python\u002F08.polynomial-regression",[3795,3799,3803],{"title":3796,"path":3797,"stem":3798},"Нелінійні залежності та поліноміальна регресія","\u002Fai-python\u002Fpolynomial-regression\u002Fnonlinear-patterns","16.ai-python\u002F08.polynomial-regression\u002F01.nonlinear-patterns",{"title":3800,"path":3801,"stem":3802},"Регуляризація в регресії — Ridge та Lasso","\u002Fai-python\u002Fpolynomial-regression\u002Fregularization-methods","16.ai-python\u002F08.polynomial-regression\u002F02.regularization-methods",{"title":3804,"path":3805,"stem":3806},"Практика — поліноміальна регресія та регуляризація на Housing Prices","\u002Fai-python\u002Fpolynomial-regression\u002Fhousing-prices-practice","16.ai-python\u002F08.polynomial-regression\u002F03.housing-prices-practice",{"title":3808,"path":3809,"stem":3810,"children":3811,"page":59},"Decision Trees Random Forest","\u002Fai-python\u002Fdecision-trees-random-forest","16.ai-python\u002F09.decision-trees-random-forest",[3812,3816],{"title":3813,"path":3814,"stem":3815},"Дерева рішень — інтерпретабельні моделі машинного навчання","\u002Fai-python\u002Fdecision-trees-random-forest\u002Fdecision-trees","16.ai-python\u002F09.decision-trees-random-forest\u002F01.decision-trees",{"title":3817,"path":3818,"stem":3819},"Random Forest — ансамблі дерев рішень","\u002Fai-python\u002Fdecision-trees-random-forest\u002Frandom-forest","16.ai-python\u002F09.decision-trees-random-forest\u002F02.random-forest",{"title":3821,"path":3822,"stem":3823,"children":3824,"page":59},"Gradient Boosting","\u002Fai-python\u002Fgradient-boosting","16.ai-python\u002F10.gradient-boosting",[3825],{"title":3826,"path":3827,"stem":3828},"Градієнтний бустинг та XGBoost — послідовне виправлення помилок","\u002Fai-python\u002Fgradient-boosting\u002Fgradient-boosting-xgboost","16.ai-python\u002F10.gradient-boosting\u002F01.gradient-boosting-xgboost",{"title":3830,"path":3831,"stem":3832,"children":3833,"page":59},"Logistic Regression Classification","\u002Fai-python\u002Flogistic-regression-classification","16.ai-python\u002F11.logistic-regression-classification",[3834,3838],{"title":3835,"path":3836,"stem":3837},"Вступ до класифікації та логістична регресія","\u002Fai-python\u002Flogistic-regression-classification\u002Fclassification-basics","16.ai-python\u002F11.logistic-regression-classification\u002F01.classification-basics",{"title":3839,"path":3840,"stem":3841},"Метрики якості класифікації — Confusion Matrix, Precision, Recall, F1","\u002Fai-python\u002Flogistic-regression-classification\u002Fclassification-metrics","16.ai-python\u002F11.logistic-regression-classification\u002F02.classification-metrics",{"title":3843,"path":3844,"stem":3845,"children":3846,"page":59},"Neural Networks Basics","\u002Fai-python\u002Fneural-networks-basics","16.ai-python\u002F12.neural-networks-basics",[3847],{"title":3848,"path":3849,"stem":3850},"Вступ до нейронних мереж — від персептрона до багатошарових мереж","\u002Fai-python\u002Fneural-networks-basics\u002Fperceptron-to-mlp","16.ai-python\u002F12.neural-networks-basics\u002F01.perceptron-to-mlp",{"title":3852,"path":3853,"stem":3854,"children":3855,"page":59},"Pytorch Intro","\u002Fai-python\u002Fpytorch-intro","16.ai-python\u002F13.pytorch-intro",[3856,3860,3864,3868],{"title":3857,"path":3858,"stem":3859},"Тензори та автоматичне диференціювання в PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Ftensors-and-autograd","16.ai-python\u002F13.pytorch-intro\u002F01.tensors-and-autograd",{"title":3861,"path":3862,"stem":3863},"Побудова та тренування нейронних мереж у PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Fbuilding-and-training","16.ai-python\u002F13.pytorch-intro\u002F02.building-and-training",{"title":3865,"path":3866,"stem":3867},"Робота з даними та регуляризація в PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Fdata-and-regularization","16.ai-python\u002F13.pytorch-intro\u002F03.data-and-regularization",{"title":3869,"path":3870,"stem":3871},"Просунуті теми PyTorch — GPU, оптимізація та deployment","\u002Fai-python\u002Fpytorch-intro\u002Fadvanced-topics","16.ai-python\u002F13.pytorch-intro\u002F04.advanced-topics",{"title":3873,"path":3874,"stem":3875,"children":3876,"page":59},"Activation Functions Heart Disease","\u002Fai-python\u002Factivation-functions-heart-disease","16.ai-python\u002F14.activation-functions-heart-disease",[3877,3881],{"title":3878,"path":3879,"stem":3880},"Функції активації та побудова нейронної мережі для передбачення вад серця","\u002Fai-python\u002Factivation-functions-heart-disease\u002Fheart-disease-prediction","16.ai-python\u002F14.activation-functions-heart-disease\u002F01.heart-disease-prediction",{"title":3882,"path":3883,"stem":3884},"Бонус — Повний приклад Student Performance Prediction","\u002Fai-python\u002Factivation-functions-heart-disease\u002Fstudent-performance-bonus","16.ai-python\u002F14.activation-functions-heart-disease\u002F02.student-performance-bonus",{"title":3886,"path":3887,"stem":3888,"children":3889,"page":59},"Cnn Image Classification","\u002Fai-python\u002Fcnn-image-classification","16.ai-python\u002F15.cnn-image-classification",[3890,3894,3898,3902],{"title":3891,"path":3892,"stem":3893},"Основи згорткових нейронних мереж — чому не MLP?","\u002Fai-python\u002Fcnn-image-classification\u002Fcnn-fundamentals","16.ai-python\u002F15.cnn-image-classification\u002F01.cnn-fundamentals",{"title":3895,"path":3896,"stem":3897},"Практична імплементація CNN для класифікації MNIST","\u002Fai-python\u002Fcnn-image-classification\u002Fmnist-classification","16.ai-python\u002F15.cnn-image-classification\u002F02.mnist-classification",{"title":3899,"path":3900,"stem":3901},"Глибші CNN та аугментація даних для CIFAR-10","\u002Fai-python\u002Fcnn-image-classification\u002Fcifar10-and-data-augmentation","16.ai-python\u002F15.cnn-image-classification\u002F03.cifar10-and-data-augmentation",{"title":3903,"path":3904,"stem":3905},"Transfer Learning та візуалізація внутрішніх представлень CNN","\u002Fai-python\u002Fcnn-image-classification\u002Ftransfer-learning-and-visualization","16.ai-python\u002F15.cnn-image-classification\u002F04.transfer-learning-and-visualization",{"title":3907,"path":3908,"stem":3909,"children":3910,"page":59},"Batching Normalization Deep Networks","\u002Fai-python\u002Fbatching-normalization-deep-networks","16.ai-python\u002F16.batching-normalization-deep-networks",[3911,3915,3919,3923,3927,3931,3935],{"title":3912,"path":3913,"stem":3914},"Mini-batch Gradient Descent та ефективна обробка даних","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fmini-batch-gradient-descent","16.ai-python\u002F16.batching-normalization-deep-networks\u002F01.mini-batch-gradient-descent",{"title":3916,"path":3917,"stem":3918},"Ініціалізація ваг — фундамент стабільного навчання","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fweight-initialization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F02.weight-initialization",{"title":3920,"path":3921,"stem":3922},"Batch Normalization — прорив у глибокому навчанні","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fbatch-normalization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F03.batch-normalization",{"title":3924,"path":3925,"stem":3926},"Dropout та комбіновані стратегії регуляризації","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fdropout-and-regularization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F04.dropout-and-regularization",{"title":3928,"path":3929,"stem":3930},"Проєктування глибоких мереж — від теорії до практики","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fdeep-networks-architectures","16.ai-python\u002F16.batching-normalization-deep-networks\u002F05.deep-networks-architectures",{"title":3932,"path":3933,"stem":3934},"Планування learning rate — коли та як зменшувати крок навчання","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Flearning-rate-scheduling","16.ai-python\u002F16.batching-normalization-deep-networks\u002F06.learning-rate-scheduling",{"title":3936,"path":3937,"stem":3938},"Підсумковий проєкт — побудова сучасного класифікатора зображень","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Ffinal-project-deep-classifier","16.ai-python\u002F16.batching-normalization-deep-networks\u002F07.final-project-deep-classifier",{"title":3940,"icon":658,"path":3941,"stem":3942,"children":3943,"page":59},"Клієнт-серверна архітектура","\u002Fclient-server-architecture","17.client-server-architecture",[3944,3948,3952,3956,3960,3964,3968,3972,3976,3980,3984,3988,3992,3996,4000,4004,4008,4012],{"title":3945,"path":3946,"stem":3947},"Архітектура клієнт-серверних систем та основи Go","\u002Fclient-server-architecture\u002Fclient-server-architecture-and-go","17.client-server-architecture\u002F01.client-server-architecture-and-go",{"title":3949,"path":3950,"stem":3951},"Система типів та модель пам’яті мови Go","\u002Fclient-server-architecture\u002Ftype-system-and-memory-model","17.client-server-architecture\u002F02.type-system-and-memory-model",{"title":3953,"path":3954,"stem":3955},"Інтерфейси та модель конкурентності мови Go","\u002Fclient-server-architecture\u002Finterfaces-and-concurrency-model","17.client-server-architecture\u002F03.interfaces-and-concurrency-model",{"title":3957,"path":3958,"stem":3959},"Сокетне програмування та протокол TCP у Go","\u002Fclient-server-architecture\u002Ftcp-socket-programming","17.client-server-architecture\u002F04.tcp-socket-programming",{"title":3961,"path":3962,"stem":3963},"Протокол UDP та датаграмна передача даних","\u002Fclient-server-architecture\u002Fudp-datagram-transmission","17.client-server-architecture\u002F05.udp-datagram-transmission",{"title":3965,"path":3966,"stem":3967},"Криптографічний захист каналів зв","\u002Fclient-server-architecture\u002Ftls-cryptographic-channel-protection","17.client-server-architecture\u002F06.tls-cryptographic-channel-protection",{"title":3969,"path":3970,"stem":3971},"Прикладні мережеві протоколи DNS та SMTP","\u002Fclient-server-architecture\u002Fdns-smtp-application-protocols","17.client-server-architecture\u002F07.dns-smtp-application-protocols",{"title":3973,"path":3974,"stem":3975},"Протокол HTTP та стандартний вебсервер Go","\u002Fclient-server-architecture\u002Fhttp-protocol-and-web-server","17.client-server-architecture\u002F08.http-protocol-and-web-server",{"title":3977,"path":3978,"stem":3979},"Проєктування REST API та маршрутизація засобами Chi","\u002Fclient-server-architecture\u002Frest-api-design-and-chi-routing","17.client-server-architecture\u002F09.rest-api-design-and-chi-routing",{"title":3981,"path":3982,"stem":3983},"Лекція 10. Шарувата архітектура та конвеєри обробки запитів","\u002Fclient-server-architecture\u002Flayered-architecture-and-middleware-pipelines","17.client-server-architecture\u002F10.layered-architecture-and-middleware-pipelines",{"title":3985,"path":3986,"stem":3987},"Лекція 11. Архітектура та маршрутизація фреймворку Gin","\u002Fclient-server-architecture\u002Fgin-framework-architecture-and-routing","17.client-server-architecture\u002F11.gin-framework-architecture-and-routing",{"title":3989,"path":3990,"stem":3991},"Лекція 12. Валідація даних, безпека та документування у Gin","\u002Fclient-server-architecture\u002Fdata-validation-security-and-documentation-in-gin","17.client-server-architecture\u002F12.data-validation-security-and-documentation-in-gin",{"title":3993,"path":3994,"stem":3995},"Лекція 13. Взаємодія з реляційними СУБД та технології ORM","\u002Fclient-server-architecture\u002Frelational-databases-and-orm","17.client-server-architecture\u002F13.relational-databases-and-orm",{"title":3997,"path":3998,"stem":3999},"Потокова передача даних та протокол WebSocket","\u002Fclient-server-architecture\u002Fstreaming-data-and-websockets","17.client-server-architecture\u002F14.streaming-data-and-websockets",{"title":4001,"path":4002,"stem":4003},"Міжсервісна взаємодія на основі протоколу gRPC","\u002Fclient-server-architecture\u002Fgrpc-inter-service-communication","17.client-server-architecture\u002F15.grpc-inter-service-communication",{"title":4005,"path":4006,"stem":4007},"Асинхронний обмін повідомленнями та протоколи черг","\u002Fclient-server-architecture\u002Fasynchronous-message-exchange-and-queue-protocols","17.client-server-architecture\u002F16.asynchronous-message-exchange-and-queue-protocols",{"title":4009,"path":4010,"stem":4011},"Протоколи потокового медіа та технологія WebRTC","\u002Fclient-server-architecture\u002Fstreaming-media-protocols-and-webrtc","17.client-server-architecture\u002F17.streaming-media-protocols-and-webrtc",{"title":4013,"path":4014,"stem":4015},"Моніторинг, безпека та контейнеризація застосунків","\u002Fclient-server-architecture\u002Fmonitoring-security-and-containerization","17.client-server-architecture\u002F18.monitoring-security-and-containerization",{"title":4017,"icon":2074,"path":4018,"stem":4019,"children":4020,"page":59},"Розробка WEB-застосувань","\u002Fweb-development","18.web-development",[4021,4066,4104,4133,4162,4219,4269,4363,4429,4511,4544,4572,4614,4660,4703],{"title":4022,"icon":658,"path":4023,"stem":4024,"children":4025,"page":59},"Архітектура комп'ютерних мереж та мережеві протоколи","\u002Fweb-development\u002Fnetwork-architecture-and-protocols","18.web-development\u002F01.network-architecture-and-protocols",[4026,4030,4034,4038,4042,4046,4050,4054,4058,4062],{"title":4027,"path":4028,"stem":4029},"Еволюція веброзробки та модель клієнт-сервер","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fweb-evolution-client-server","18.web-development\u002F01.network-architecture-and-protocols\u002F01.web-evolution-client-server",{"title":4031,"path":4032,"stem":4033},"Еталонна модель OSI","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fosi-model","18.web-development\u002F01.network-architecture-and-protocols\u002F02.osi-model",{"title":4035,"path":4036,"stem":4037},"Стек протоколів TCP\u002FIP","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Ftcp-ip-stack","18.web-development\u002F01.network-architecture-and-protocols\u002F03.tcp-ip-stack",{"title":4039,"path":4040,"stem":4041},"IP-адресація, порти та сокети","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fip-addressing-ports-sockets","18.web-development\u002F01.network-architecture-and-protocols\u002F04.ip-addressing-ports-sockets",{"title":4043,"path":4044,"stem":4045},"Протоколи TCP та UDP","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Ftcp-udp-protocols","18.web-development\u002F01.network-architecture-and-protocols\u002F05.tcp-udp-protocols",{"title":4047,"path":4048,"stem":4049},"Система доменних імен DNS","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fdns-system","18.web-development\u002F01.network-architecture-and-protocols\u002F06.dns-system",{"title":4051,"path":4052,"stem":4053},"Протокол SMTP та поштові протоколи","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fsmtp-email-protocols","18.web-development\u002F01.network-architecture-and-protocols\u002F07.smtp-email-protocols",{"title":4055,"path":4056,"stem":4057},"Протокол WebSocket","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fwebsocket-protocol","18.web-development\u002F01.network-architecture-and-protocols\u002F08.websocket-protocol",{"title":4059,"path":4060,"stem":4061},"Протокол SSH","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fssh-protocol","18.web-development\u002F01.network-architecture-and-protocols\u002F09.ssh-protocol",{"title":4063,"path":4064,"stem":4065},"Огляд сучасних серверних технологій","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fmodern-backend-technologies","18.web-development\u002F01.network-architecture-and-protocols\u002F10.modern-backend-technologies",{"title":4067,"icon":4068,"path":4069,"stem":4070,"children":4071,"page":59},"Протокол HTTP та захищена передача даних HTTPS","i-lucide-lock","\u002Fweb-development\u002Fhttp-and-https","18.web-development\u002F02.http-and-https",[4072,4076,4080,4084,4088,4092,4096,4100],{"title":4073,"path":4074,"stem":4075},"Вступ до протоколу HTTP та еволюція веб-технологій","\u002Fweb-development\u002Fhttp-and-https\u002Fintroduction-and-evolution","18.web-development\u002F02.http-and-https\u002F01.introduction-and-evolution",{"title":4077,"path":4078,"stem":4079},"Анатомія HTTP-запиту","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-request-structure","18.web-development\u002F02.http-and-https\u002F02.http-request-structure",{"title":4081,"path":4082,"stem":4083},"Анатомія HTTP-відповіді","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-response-structure","18.web-development\u002F02.http-and-https\u002F03.http-response-structure",{"title":4085,"path":4086,"stem":4087},"Методи HTTP та їхня семантика","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-methods","18.web-development\u002F02.http-and-https\u002F04.http-methods",{"title":4089,"path":4090,"stem":4091},"Коди статусу HTTP та їхнє призначення","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-status-codes","18.web-development\u002F02.http-and-https\u002F05.http-status-codes",{"title":4093,"path":4094,"stem":4095},"HTTP-заголовки та їхнє призначення","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-headers","18.web-development\u002F02.http-and-https\u002F06.http-headers",{"title":4097,"path":4098,"stem":4099},"CORS та механізми безпеки HTTP","\u002Fweb-development\u002Fhttp-and-https\u002Fcors-and-security","18.web-development\u002F02.http-and-https\u002F07.cors-and-security",{"title":4101,"path":4102,"stem":4103},"HTTPS та криптографічні основи TLS","\u002Fweb-development\u002Fhttp-and-https\u002Fhttps-and-tls","18.web-development\u002F02.http-and-https\u002F08.https-and-tls",{"title":4105,"icon":2454,"path":4106,"stem":4107,"children":4108,"page":59},"Система типів мови TypeScript","\u002Fweb-development\u002Ftypescript-type-system","18.web-development\u002F03.typescript-type-system",[4109,4113,4117,4121,4125,4129],{"title":4110,"path":4111,"stem":4112},"Знайомство з TypeScript Compiler","\u002Fweb-development\u002Ftypescript-type-system\u002Fintroduction-compiler-config","18.web-development\u002F03.typescript-type-system\u002F01.introduction-compiler-config",{"title":4114,"path":4115,"stem":4116},"Примітивні типи даних: string, number, boolean","\u002Fweb-development\u002Ftypescript-type-system\u002Fprimitive-special-types","18.web-development\u002F03.typescript-type-system\u002F02.primitive-special-types",{"title":4118,"path":4119,"stem":4120},"Масиви, кортежі та об","\u002Fweb-development\u002Ftypescript-type-system\u002Farrays-tuples-objects","18.web-development\u002F03.typescript-type-system\u002F03.arrays-tuples-objects",{"title":4122,"path":4123,"stem":4124},"Псевдоніми типів, Union типи, Intersection типи та літеральні типи","\u002Fweb-development\u002Ftypescript-type-system\u002Funion-intersection-literals","18.web-development\u002F03.typescript-type-system\u002F04.union-intersection-literals",{"title":4126,"path":4127,"stem":4128},"Type Narrowing (звуження типів)","\u002Fweb-development\u002Ftypescript-type-system\u002Ftype-narrowing","18.web-development\u002F03.typescript-type-system\u002F05.type-narrowing",{"title":4130,"path":4131,"stem":4132},"Типізація функцій","\u002Fweb-development\u002Ftypescript-type-system\u002Ffunctions-typing","18.web-development\u002F03.typescript-type-system\u002F06.functions-typing",{"title":4134,"icon":2454,"path":4135,"stem":4136,"children":4137,"page":59},"Розширені засоби мови TypeScript","\u002Fweb-development\u002Ftypescript-advanced","18.web-development\u002F04.typescript-advanced",[4138,4142,4146,4150,4154,4158],{"title":4139,"path":4140,"stem":4141},"Interfaces та Classes","\u002Fweb-development\u002Ftypescript-advanced\u002Finterfaces-classes","18.web-development\u002F04.typescript-advanced\u002F01.interfaces-classes",{"title":4143,"path":4144,"stem":4145},"Основи Generic типів","\u002Fweb-development\u002Ftypescript-advanced\u002Fgenerics-fundamentals","18.web-development\u002F04.typescript-advanced\u002F02.generics-fundamentals",{"title":4147,"path":4148,"stem":4149},"Enums та Decorators","\u002Fweb-development\u002Ftypescript-advanced\u002Fenums-decorators","18.web-development\u002F04.typescript-advanced\u002F03.enums-decorators",{"title":4151,"path":4152,"stem":4153},"Utility Types","\u002Fweb-development\u002Ftypescript-advanced\u002Futility-types","18.web-development\u002F04.typescript-advanced\u002F04.utility-types",{"title":4155,"path":4156,"stem":4157},"Mapped та Conditional Types","\u002Fweb-development\u002Ftypescript-advanced\u002Fmapped-conditional-types","18.web-development\u002F04.typescript-advanced\u002F05.mapped-conditional-types",{"title":4159,"path":4160,"stem":4161},"Модулі та Strict Mode","\u002Fweb-development\u002Ftypescript-advanced\u002Fmodules-strict-mode","18.web-development\u002F04.typescript-advanced\u002F06.modules-strict-mode",{"title":4163,"icon":4164,"path":4165,"stem":4166,"children":4167,"page":59},"Платформа Node.js як середовище виконання","i-devicon-nodejs","\u002Fweb-development\u002Fnodejs-platform","18.web-development\u002F05.nodejs-platform",[4168,4172,4176,4180,4184,4188,4192,4196,4200,4204,4208,4211,4215],{"title":4169,"path":4170,"stem":4171},"Що таке Node.js та його архітектура","\u002Fweb-development\u002Fnodejs-platform\u002Fwhat-is-nodejs","18.web-development\u002F05.nodejs-platform\u002F01.what-is-nodejs",{"title":4173,"path":4174,"stem":4175},"Event Loop — серце Node.js","\u002Fweb-development\u002Fnodejs-platform\u002Fevent-loop","18.web-development\u002F05.nodejs-platform\u002F02.event-loop",{"title":4177,"path":4178,"stem":4179},"Модульні системи: CommonJS vs ES Modules","\u002Fweb-development\u002Fnodejs-platform\u002Fmodule-systems","18.web-development\u002F05.nodejs-platform\u002F03.module-systems",{"title":4181,"path":4182,"stem":4183},"npm та package.json","\u002Fweb-development\u002Fnodejs-platform\u002Fnpm-package-json","18.web-development\u002F05.nodejs-platform\u002F04.npm-package-json",{"title":4185,"path":4186,"stem":4187},"Глобальні об\\","\u002Fweb-development\u002Fnodejs-platform\u002Fglobal-objects","18.web-development\u002F05.nodejs-platform\u002F05.global-objects",{"title":4189,"path":4190,"stem":4191},"Вбудований модуль fs (File System)","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-fs","18.web-development\u002F05.nodejs-platform\u002F06.built-in-modules-fs",{"title":4193,"path":4194,"stem":4195},"Вбудований модуль path","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-path","18.web-development\u002F05.nodejs-platform\u002F07.built-in-modules-path",{"title":4197,"path":4198,"stem":4199},"Вбудований модуль http","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-http","18.web-development\u002F05.nodejs-platform\u002F08.built-in-modules-http",{"title":4201,"path":4202,"stem":4203},"Streams — потоки даних у Node.js","\u002Fweb-development\u002Fnodejs-platform\u002Fstreams","18.web-development\u002F05.nodejs-platform\u002F09.streams",{"title":4205,"path":4206,"stem":4207},"Вбудований модуль util (Utilities)","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-util","18.web-development\u002F05.nodejs-platform\u002F10.built-in-modules-util",{"title":3097,"path":4209,"stem":4210},"\u002Fweb-development\u002Fnodejs-platform\u002Fenvironment-variables","18.web-development\u002F05.nodejs-platform\u002F11.environment-variables",{"title":4212,"path":4213,"stem":4214},"Інструменти налагодження та розробки","\u002Fweb-development\u002Fnodejs-platform\u002Fdebugging-tools","18.web-development\u002F05.nodejs-platform\u002F12.debugging-tools",{"title":4216,"path":4217,"stem":4218},"Продуктивність та Best Practices","\u002Fweb-development\u002Fnodejs-platform\u002Fperformance-best-practices","18.web-development\u002F05.nodejs-platform\u002F13.performance-best-practices",{"title":4220,"icon":4221,"path":4222,"stem":4223,"children":4224,"page":59},"Асинхронне програмування у Node.js","i-lucide-clock","\u002Fweb-development\u002Fasync-programming-nodejs","18.web-development\u002F06.async-programming-nodejs",[4225,4229,4233,4237,4241,4245,4249,4253,4257,4261,4265],{"title":4226,"path":4227,"stem":4228},"Синхронний vs асинхронний код","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fsync-vs-async","18.web-development\u002F06.async-programming-nodejs\u002F01.sync-vs-async",{"title":4230,"path":4231,"stem":4232},"Callbacks — перша парадигма асинхронності","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fcallbacks","18.web-development\u002F06.async-programming-nodejs\u002F02.callbacks",{"title":4234,"path":4235,"stem":4236},"Promises — стандарт асинхронності","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fpromises","18.web-development\u002F06.async-programming-nodejs\u002F03.promises",{"title":4238,"path":4239,"stem":4240},"Promise комбінатори","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fpromise-combinators","18.web-development\u002F06.async-programming-nodejs\u002F04.promise-combinators",{"title":4242,"path":4243,"stem":4244},"Async\u002FAwait — синтаксичний цукор над Promises","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fasync-await","18.web-development\u002F06.async-programming-nodejs\u002F05.async-await",{"title":4246,"path":4247,"stem":4248},"Паралельне vs послідовне виконання","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fparallel-vs-sequential","18.web-development\u002F06.async-programming-nodejs\u002F06.parallel-vs-sequential",{"title":4250,"path":4251,"stem":4252},"EventEmitter — подієва модель Node.js","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fevent-emitter","18.web-development\u002F06.async-programming-nodejs\u002F07.event-emitter",{"title":4254,"path":4255,"stem":4256},"Worker Threads — багатопотоковість у Node.js","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fworker-threads","18.web-development\u002F06.async-programming-nodejs\u002F08.worker-threads",{"title":4258,"path":4259,"stem":4260},"Child Processes — запуск зовнішніх процесів","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fchild-processes","18.web-development\u002F06.async-programming-nodejs\u002F09.child-processes",{"title":4262,"path":4263,"stem":4264},"Обробка помилок у асинхронному коді","\u002Fweb-development\u002Fasync-programming-nodejs\u002Ferror-handling","18.web-development\u002F06.async-programming-nodejs\u002F10.error-handling",{"title":4266,"path":4267,"stem":4268},"Порівняння Node.js фреймворків","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fnodejs-frameworks","18.web-development\u002F06.async-programming-nodejs\u002F11.nodejs-frameworks",{"title":4270,"icon":4271,"path":4272,"stem":4273,"children":4274,"page":59},"Тема 7. Фреймворк NestJS. Контролери та маршрутизація","i-lucide-route","\u002Fweb-development\u002Fnestjs-controllers-routing","18.web-development\u002F07.nestjs-controllers-routing",[4275,4279,4283,4287,4291,4295,4299,4303,4307,4311,4315,4319,4323,4327,4331,4335,4339,4343,4347,4351,4355,4359],{"title":4276,"path":4277,"stem":4278},"Філософія та архітектура NestJS","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-philosophy","18.web-development\u002F07.nestjs-controllers-routing\u002F01.nestjs-philosophy",{"title":4280,"path":4281,"stem":4282},"Три стовпи архітектури: модулі, контролери, провайдери","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fthree-pillars","18.web-development\u002F07.nestjs-controllers-routing\u002F02.three-pillars",{"title":4284,"path":4285,"stem":4286},"Інверсія керування (IoC) та ін","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fioc-and-di","18.web-development\u002F07.nestjs-controllers-routing\u002F03.ioc-and-di",{"title":4288,"path":4289,"stem":4290},"Встановлення NestJS CLI та створення проєкту","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-cli-setup","18.web-development\u002F07.nestjs-controllers-routing\u002F04.nestjs-cli-setup",{"title":4292,"path":4293,"stem":4294},"Структура проєкту NestJS та конвенції","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fproject-structure","18.web-development\u002F07.nestjs-controllers-routing\u002F05.project-structure",{"title":4296,"path":4297,"stem":4298},"Контролери: основи маршрутизації","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcontrollers-basics","18.web-development\u002F07.nestjs-controllers-routing\u002F06.controllers-basics",{"title":4300,"path":4301,"stem":4302},"Декоратори маршрутизації HTTP-методів","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Froute-decorators","18.web-development\u002F07.nestjs-controllers-routing\u002F07.route-decorators",{"title":4304,"path":4305,"stem":4306},"Параметри маршруту та декоратор @Param","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Froute-parameters","18.web-development\u002F07.nestjs-controllers-routing\u002F08.route-parameters",{"title":4308,"path":4309,"stem":4310},"Query-параметри та декоратор @Query","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fquery-parameters","18.web-development\u002F07.nestjs-controllers-routing\u002F09.query-parameters",{"title":4312,"path":4313,"stem":4314},"Тіло запиту та декоратор @Body","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Frequest-body","18.web-development\u002F07.nestjs-controllers-routing\u002F10.request-body",{"title":4316,"path":4317,"stem":4318},"Робота з заголовками запиту та відповіді","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fheaders-decorators","18.web-development\u002F07.nestjs-controllers-routing\u002F11.headers-decorators",{"title":4320,"path":4321,"stem":4322},"Data Transfer Objects (DTO): визначення та призначення","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fdto-introduction","18.web-development\u002F07.nestjs-controllers-routing\u002F12.dto-introduction",{"title":4324,"path":4325,"stem":4326},"Об'єкти Request та Response","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Frequest-response-objects","18.web-development\u002F07.nestjs-controllers-routing\u002F13.request-response-objects",{"title":4328,"path":4329,"stem":4330},"HTTP-статус коди та декоратор @HttpCode","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fhttp-status-codes","18.web-development\u002F07.nestjs-controllers-routing\u002F14.http-status-codes",{"title":4332,"path":4333,"stem":4334},"Перенаправлення (Redirects) та декоратор @Redirect","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fredirects","18.web-development\u002F07.nestjs-controllers-routing\u002F15.redirects",{"title":4336,"path":4337,"stem":4338},"Асинхронні обробники та Observables","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fasync-handlers","18.web-development\u002F07.nestjs-controllers-routing\u002F16.async-handlers",{"title":4340,"path":4341,"stem":4342},"Маршрутизація за піддоменами та версіонування API","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fsub-domain-routing","18.web-development\u002F07.nestjs-controllers-routing\u002F17.sub-domain-routing",{"title":4344,"path":4345,"stem":4346},"Області видимості контролерів (Scopes)","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcontroller-scopes","18.web-development\u002F07.nestjs-controllers-routing\u002F18.controller-scopes",{"title":4348,"path":4349,"stem":4350},"Основні команди NestJS CLI","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-cli-commands","18.web-development\u002F07.nestjs-controllers-routing\u002F19.nestjs-cli-commands",{"title":4352,"path":4353,"stem":4354},"Практичний приклад: створення CRUD-контролера","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcrud-example","18.web-development\u002F07.nestjs-controllers-routing\u002F20.crud-example",{"title":4356,"path":4357,"stem":4358},"Тестування контролерів","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Ftesting-controllers","18.web-development\u002F07.nestjs-controllers-routing\u002F21.testing-controllers",{"title":4360,"path":4361,"stem":4362},"Best Practices для контролерів та маршрутизації","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fbest-practices","18.web-development\u002F07.nestjs-controllers-routing\u002F22.best-practices",{"title":4364,"icon":4365,"path":4366,"stem":4367,"children":4368,"page":59},"Тема 8. Провайдери, сервіси та модульна система NestJS","i-lucide-package","\u002Fweb-development\u002Fnestjs-providers-modules","18.web-development\u002F08.nestjs-providers-modules",[4369,4373,4377,4381,4385,4389,4393,4397,4401,4405,4409,4413,4417,4421,4425],{"title":4370,"path":4371,"stem":4372},"Концепція провайдерів у NestJS","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fproviders-concept","18.web-development\u002F08.nestjs-providers-modules\u002F01.providers-concept",{"title":4374,"path":4375,"stem":4376},"Сервіси: інкапсуляція бізнес-логіки","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fservices-business-logic","18.web-development\u002F08.nestjs-providers-modules\u002F02.services-business-logic",{"title":4378,"path":4379,"stem":4380},"Практика ін","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fdependency-injection-practice","18.web-development\u002F08.nestjs-providers-modules\u002F03.dependency-injection-practice",{"title":4382,"path":4383,"stem":4384},"Custom Providers: useValue, useClass, useFactory, useExisting","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fcustom-providers","18.web-development\u002F08.nestjs-providers-modules\u002F04.custom-providers",{"title":4386,"path":4387,"stem":4388},"Injection Tokens: рядкові та символьні токени","\u002Fweb-development\u002Fnestjs-providers-modules\u002Finjection-tokens","18.web-development\u002F08.nestjs-providers-modules\u002F05.injection-tokens",{"title":4390,"path":4391,"stem":4392},"Опціональні провайдери та декоратор @Optional","\u002Fweb-development\u002Fnestjs-providers-modules\u002Foptional-providers","18.web-development\u002F08.nestjs-providers-modules\u002F07.optional-providers",{"title":4394,"path":4395,"stem":4396},"Структура модулів: imports, controllers, providers, exports","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fmodules-structure","18.web-development\u002F08.nestjs-providers-modules\u002F08.modules-structure",{"title":4398,"path":4399,"stem":4400},"Feature Modules: ізоляція функціональності","\u002Fweb-development\u002Fnestjs-providers-modules\u002Ffeature-modules","18.web-development\u002F08.nestjs-providers-modules\u002F09.feature-modules",{"title":4402,"path":4403,"stem":4404},"Shared Modules: перевикористання провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fshared-modules","18.web-development\u002F08.nestjs-providers-modules\u002F10.shared-modules",{"title":4406,"path":4407,"stem":4408},"Global Modules та декоратор @Global","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fglobal-modules","18.web-development\u002F08.nestjs-providers-modules\u002F11.global-modules",{"title":4410,"path":4411,"stem":4412},"Dynamic Modules: конфігурація під час виконання","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fdynamic-modules","18.web-development\u002F08.nestjs-providers-modules\u002F12.dynamic-modules",{"title":4414,"path":4415,"stem":4416},"Циклічні залежності та forwardRef","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fcircular-dependencies","18.web-development\u002F08.nestjs-providers-modules\u002F13.circular-dependencies",{"title":4418,"path":4419,"stem":4420},"Lifecycle Hooks: хуки життєвого циклу","\u002Fweb-development\u002Fnestjs-providers-modules\u002Flifecycle-hooks","18.web-development\u002F08.nestjs-providers-modules\u002F14.lifecycle-hooks",{"title":4422,"path":4423,"stem":4424},"ModuleRef: динамічний доступ до провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fmodule-reference","18.web-development\u002F08.nestjs-providers-modules\u002F15.module-reference",{"title":4426,"path":4427,"stem":4428},"Тестування сервісів та провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Ftesting-services","18.web-development\u002F08.nestjs-providers-modules\u002F16.testing-services",{"title":4430,"icon":4431,"path":4432,"stem":4433,"children":4434,"page":59},"Тема 9. Валідація даних та конвеєр обробки запитів у NestJS","i-lucide-filter","\u002Fweb-development\u002Fnestjs-validation-pipeline","18.web-development\u002F09.nestjs-validation-pipeline",[4435,4439,4443,4447,4451,4455,4459,4463,4467,4471,4475,4479,4483,4487,4491,4495,4499,4503,4507],{"title":4436,"path":4437,"stem":4438},"Request Pipeline: конвеєр обробки запитів","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Frequest-pipeline","18.web-development\u002F09.nestjs-validation-pipeline\u002F01.request-pipeline",{"title":4440,"path":4441,"stem":4442},"Pipes: концепція трансформації та валідації","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fpipes-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F02.pipes-concept",{"title":4444,"path":4445,"stem":4446},"Вбудовані pipes: ParseIntPipe, ParseBoolPipe, ParseUUIDPipe","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fbuilt-in-pipes","18.web-development\u002F09.nestjs-validation-pipeline\u002F03.built-in-pipes",{"title":4448,"path":4449,"stem":4450},"ValidationPipe: автоматична валідація DTO","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fvalidation-pipe","18.web-development\u002F09.nestjs-validation-pipeline\u002F04.validation-pipe",{"title":4452,"path":4453,"stem":4454},"Декоратори class-validator для DTO","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fclass-validator-decorators","18.web-development\u002F09.nestjs-validation-pipeline\u002F05.class-validator-decorators",{"title":4456,"path":4457,"stem":4458},"Створення кастомних валідаторів","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-validators","18.web-development\u002F09.nestjs-validation-pipeline\u002F06.custom-validators",{"title":4460,"path":4461,"stem":4462},"Створення власних Pipes","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-pipes","18.web-development\u002F09.nestjs-validation-pipeline\u002F07.custom-pipes",{"title":4464,"path":4465,"stem":4466},"Основи Middleware","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fmiddleware-basics","18.web-development\u002F09.nestjs-validation-pipeline\u002F08.middleware-basics",{"title":4468,"path":4469,"stem":4470},"Практичні приклади Middleware","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fmiddleware-examples","18.web-development\u002F09.nestjs-validation-pipeline\u002F09.middleware-examples",{"title":4472,"path":4473,"stem":4474},"Guards: захисні перехоплювачі доступу","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fguards-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F10.guards-concept",{"title":4476,"path":4477,"stem":4478},"Створення кастомних Guards","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-guards","18.web-development\u002F09.nestjs-validation-pipeline\u002F11.custom-guards",{"title":4480,"path":4481,"stem":4482},"Interceptors: перехоплення та трансформація відповідей","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Finterceptors-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F12.interceptors-concept",{"title":4484,"path":4485,"stem":4486},"Практичні приклади Interceptors","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Finterceptor-examples","18.web-development\u002F09.nestjs-validation-pipeline\u002F13.interceptor-examples",{"title":4488,"path":4489,"stem":4490},"Exception Filters: обробка виключень","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fexception-filters","18.web-development\u002F09.nestjs-validation-pipeline\u002F14.exception-filters",{"title":4492,"path":4493,"stem":4494},"Custom Exception Filters: спеціалізовані фільтри","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-exception-filters","18.web-development\u002F09.nestjs-validation-pipeline\u002F15.custom-exception-filters",{"title":4496,"path":4497,"stem":4498},"Execution Context: контекст виконання","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fexecution-context","18.web-development\u002F09.nestjs-validation-pipeline\u002F16.execution-context",{"title":4500,"path":4501,"stem":4502},"Custom Decorators: власні декоратори","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-decorators","18.web-development\u002F09.nestjs-validation-pipeline\u002F17.custom-decorators",{"title":4504,"path":4505,"stem":4506},"Global Components: глобальні компоненти","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fglobal-components","18.web-development\u002F09.nestjs-validation-pipeline\u002F18.global-components",{"title":4508,"path":4509,"stem":4510},"Pipeline Best Practices: найкращі практики","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fpipeline-best-practices","18.web-development\u002F09.nestjs-validation-pipeline\u002F19.pipeline-best-practices",{"title":4512,"icon":2821,"path":4513,"stem":4514,"children":4515,"page":59},"Інтеграція реляційних баз даних засобами TypeORM","\u002Fweb-development\u002Ftypeorm-integration","18.web-development\u002F10.typeorm-integration",[4516,4520,4524,4528,4532,4536,4540],{"title":4517,"path":4518,"stem":4519},"Робота з базами даних у Node.js через нативні драйвери","\u002Fweb-development\u002Ftypeorm-integration\u002F01-nodejs-database-drivers","18.web-development\u002F10.typeorm-integration\u002F01-nodejs-database-drivers",{"title":4521,"path":4522,"stem":4523},"ORM та знайомство з TypeORM","\u002Fweb-development\u002Ftypeorm-integration\u002F02-orm-and-typeorm-intro","18.web-development\u002F10.typeorm-integration\u002F02-orm-and-typeorm-intro",{"title":4525,"path":4526,"stem":4527},"Налаштування TypeORM у NestJS проєкті","\u002Fweb-development\u002Ftypeorm-integration\u002F03-typeorm-setup-nestjs","18.web-development\u002F10.typeorm-integration\u002F03-typeorm-setup-nestjs",{"title":4529,"path":4530,"stem":4531},"Entity класи та декоратори TypeORM","\u002Fweb-development\u002Ftypeorm-integration\u002F04-entities-and-decorators","18.web-development\u002F10.typeorm-integration\u002F04-entities-and-decorators",{"title":4533,"path":4534,"stem":4535},"Repository Pattern та CRUD операції","\u002Fweb-development\u002Ftypeorm-integration\u002F05-repository-pattern-crud","18.web-development\u002F10.typeorm-integration\u002F05-repository-pattern-crud",{"title":4537,"path":4538,"stem":4539},"Пагінація та фільтрація даних","\u002Fweb-development\u002Ftypeorm-integration\u002F06-pagination-filtering","18.web-development\u002F10.typeorm-integration\u002F06-pagination-filtering",{"title":4541,"path":4542,"stem":4543},"QueryBuilder для складних запитів","\u002Fweb-development\u002Ftypeorm-integration\u002F07-query-builder","18.web-development\u002F10.typeorm-integration\u002F07-query-builder",{"title":4545,"icon":4546,"path":4547,"stem":4548,"children":4549,"page":59},"Зв'язки між сутностями, міграції та оптимізація запитів","i-lucide-git-branch","\u002Fweb-development\u002Fentity-relations-migrations","18.web-development\u002F11.entity-relations-migrations",[4550,4554,4558,4562,4566],{"title":4551,"path":4552,"stem":4553},"Зв'язки One-to-Many та Many-to-One","\u002Fweb-development\u002Fentity-relations-migrations\u002F01-one-to-many-many-to-one","18.web-development\u002F11.entity-relations-migrations\u002F01-one-to-many-many-to-one",{"title":4555,"path":4556,"stem":4557},"Зв'язки One-to-One та Many-to-Many","\u002Fweb-development\u002Fentity-relations-migrations\u002F02-one-to-one-many-to-many","18.web-development\u002F11.entity-relations-migrations\u002F02-one-to-one-many-to-many",{"title":4559,"path":4560,"stem":4561},"Керування міграціями бази даних","\u002Fweb-development\u002Fentity-relations-migrations\u002F03-migrations-management","18.web-development\u002F11.entity-relations-migrations\u002F03-migrations-management",{"title":4563,"path":4564,"stem":4565},"Транзакції у TypeORM","\u002Fweb-development\u002Fentity-relations-migrations\u002F04-transactions","18.web-development\u002F11.entity-relations-migrations\u002F04-transactions",{"title":4567,"path":4568,"stem":4569,"children":4570},"Індекси та оптимізація запитів","\u002Fweb-development\u002Fentity-relations-migrations\u002F05-indexes-optimization","18.web-development\u002F11.entity-relations-migrations\u002F05-indexes-optimization",[4571],{"title":4567,"path":4568,"stem":4569},{"title":4573,"icon":4574,"path":4575,"stem":4576,"children":4577,"page":59},"Механізми автентифікації у вебзастосунках","i-lucide-key","\u002Fweb-development\u002Fauthentication","18.web-development\u002F12.authentication",[4578,4582,4586,4590,4594,4598,4602,4606,4610],{"title":4579,"path":4580,"stem":4581},"Автентифікація vs Авторизація","\u002Fweb-development\u002Fauthentication\u002F01-authentication-vs-authorization","18.web-development\u002F12.authentication\u002F01-authentication-vs-authorization",{"title":4583,"path":4584,"stem":4585},"Стратегії автентифікації","\u002Fweb-development\u002Fauthentication\u002F02-authentication-strategies","18.web-development\u002F12.authentication\u002F02-authentication-strategies",{"title":4587,"path":4588,"stem":4589},"Автентифікація на основі сесій","\u002Fweb-development\u002Fauthentication\u002F03-session-based-authentication","18.web-development\u002F12.authentication\u002F03-session-based-authentication",{"title":4591,"path":4592,"stem":4593},"Структура JSON Web Token (JWT)","\u002Fweb-development\u002Fauthentication\u002F04-jwt-structure","18.web-development\u002F12.authentication\u002F04-jwt-structure",{"title":4595,"path":4596,"stem":4597},"Інтеграція JWT у NestJS","\u002Fweb-development\u002Fauthentication\u002F05-nestjs-jwt-integration","18.web-development\u002F12.authentication\u002F05-nestjs-jwt-integration",{"title":4599,"path":4600,"stem":4601},"Passport.js стратегії у NestJS","\u002Fweb-development\u002Fauthentication\u002F06-passport-strategies","18.web-development\u002F12.authentication\u002F06-passport-strategies",{"title":4603,"path":4604,"stem":4605},"Безпечне зберігання паролів: хешування та криптографічний захист","\u002Fweb-development\u002Fauthentication\u002F07-password-hashing","18.web-development\u002F12.authentication\u002F07-password-hashing",{"title":4607,"path":4608,"stem":4609},"Refresh Token та безпечне оновлення доступу","\u002Fweb-development\u002Fauthentication\u002F08-refresh-tokens","18.web-development\u002F12.authentication\u002F08-refresh-tokens",{"title":4611,"path":4612,"stem":4613},"OAuth 2.0 та OpenID Connect: делегована автентифікація","\u002Fweb-development\u002Fauthentication\u002F09-oauth2-openid","18.web-development\u002F12.authentication\u002F09-oauth2-openid",{"title":4615,"icon":4616,"path":4617,"stem":4618,"children":4619,"page":59},"Авторизація та безпека серверних застосунків","i-lucide-shield","\u002Fweb-development\u002Fauthorization-security","18.web-development\u002F13.authorization-security",[4620,4624,4628,4632,4636,4640,4644,4648,4652,4656],{"title":4621,"path":4622,"stem":4623},"Моделі авторизації","\u002Fweb-development\u002Fauthorization-security\u002F01-authorization-models","18.web-development\u002F13.authorization-security\u002F01-authorization-models",{"title":4625,"path":4626,"stem":4627},"Реалізація RBAC у NestJS","\u002Fweb-development\u002Fauthorization-security\u002F02-rbac-implementation","18.web-development\u002F13.authorization-security\u002F02-rbac-implementation",{"title":4629,"path":4630,"stem":4631},"Permission-Based Access Control","\u002Fweb-development\u002Fauthorization-security\u002F03-permission-based-access","18.web-development\u002F13.authorization-security\u002F03-permission-based-access",{"title":4633,"path":4634,"stem":4635},"ABAC та бібліотека CASL","\u002Fweb-development\u002Fauthorization-security\u002F04-abac-casl","18.web-development\u002F13.authorization-security\u002F04-abac-casl",{"title":4637,"path":4638,"stem":4639},"Кастомні декоратори та метадані","\u002Fweb-development\u002Fauthorization-security\u002F05-custom-decorators-metadata","18.web-development\u002F13.authorization-security\u002F05-custom-decorators-metadata",{"title":4641,"path":4642,"stem":4643},"Конфігурація CORS","\u002Fweb-development\u002Fauthorization-security\u002F06-cors-configuration","18.web-development\u002F13.authorization-security\u002F06-cors-configuration",{"title":4645,"path":4646,"stem":4647},"Захист через HTTP Security Headers (Helmet)","\u002Fweb-development\u002Fauthorization-security\u002F07-helmet-security-headers","18.web-development\u002F13.authorization-security\u002F07-helmet-security-headers",{"title":4649,"path":4650,"stem":4651},"Rate Limiting та Throttling","\u002Fweb-development\u002Fauthorization-security\u002F08-rate-limiting-throttling","18.web-development\u002F13.authorization-security\u002F08-rate-limiting-throttling",{"title":4653,"path":4654,"stem":4655},"Захист від поширених атак","\u002Fweb-development\u002Fauthorization-security\u002F09-common-attacks-protection","18.web-development\u002F13.authorization-security\u002F09-common-attacks-protection",{"title":4657,"path":4658,"stem":4659},"HTTPS у продакшені","\u002Fweb-development\u002Fauthorization-security\u002F10-https-production","18.web-development\u002F13.authorization-security\u002F10-https-production",{"title":4661,"icon":871,"path":4662,"stem":4663,"children":4664,"page":59},"Комунікація у реальному часі, нотифікації та фонові задачі","\u002Fweb-development\u002Frealtime-notifications-jobs","18.web-development\u002F14.realtime-notifications-jobs",[4665,4669,4673,4677,4681,4685,4688,4691,4695,4699],{"title":4666,"path":4667,"stem":4668},"Методи комунікації у реальному часі","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F01-realtime-communication-methods","18.web-development\u002F14.realtime-notifications-jobs\u002F01-realtime-communication-methods",{"title":4670,"path":4671,"stem":4672},"WebSocket Gateway у NestJS","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F02-websocket-gateway","18.web-development\u002F14.realtime-notifications-jobs\u002F02-websocket-gateway",{"title":4674,"path":4675,"stem":4676},"Lifecycle та Rooms у WebSocket","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F03-websocket-lifecycle-rooms","18.web-development\u002F14.realtime-notifications-jobs\u002F03-websocket-lifecycle-rooms",{"title":4678,"path":4679,"stem":4680},"Server-Sent Events (SSE)","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F04-server-sent-events","18.web-development\u002F14.realtime-notifications-jobs\u002F04-server-sent-events",{"title":4682,"path":4683,"stem":4684},"Архітектура системи нотифікацій","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F05-notification-system","18.web-development\u002F14.realtime-notifications-jobs\u002F05-notification-system",{"title":904,"path":4686,"stem":4687},"\u002Fweb-development\u002Frealtime-notifications-jobs\u002F06-email-notifications","18.web-development\u002F14.realtime-notifications-jobs\u002F06-email-notifications",{"title":900,"path":4689,"stem":4690},"\u002Fweb-development\u002Frealtime-notifications-jobs\u002F07-web-push-notifications","18.web-development\u002F14.realtime-notifications-jobs\u002F07-web-push-notifications",{"title":4692,"path":4693,"stem":4694},"Фонові задачі та черги","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F08-background-jobs-queues","18.web-development\u002F14.realtime-notifications-jobs\u002F08-background-jobs-queues",{"title":4696,"path":4697,"stem":4698},"Планувальники та Cron jobs","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F09-schedulers-cron","18.web-development\u002F14.realtime-notifications-jobs\u002F09-schedulers-cron",{"title":4700,"path":4701,"stem":4702},"Практичні сценарії застосування","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F10-practical-scenarios","18.web-development\u002F14.realtime-notifications-jobs\u002F10-practical-scenarios",{"title":4704,"icon":4705,"path":4706,"stem":4707,"children":4708,"page":59},"Тестування, документування та розгортання застосунків","i-lucide-rocket","\u002Fweb-development\u002Ftesting-documentation-deployment","18.web-development\u002F15.testing-documentation-deployment",[4709,4713,4717,4721,4725,4729,4733,4737,4741,4745],{"title":4710,"path":4711,"stem":4712},"Піраміда тестування та стратегія","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F01-testing-pyramid-strategy","18.web-development\u002F15.testing-documentation-deployment\u002F01-testing-pyramid-strategy",{"title":4714,"path":4715,"stem":4716},"Основи Jest у NestJS","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F02-jest-nestjs-basics","18.web-development\u002F15.testing-documentation-deployment\u002F02-jest-nestjs-basics",{"title":4718,"path":4719,"stem":4720},"Unit-тестування сервісів","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F03-unit-testing-services","18.web-development\u002F15.testing-documentation-deployment\u002F03-unit-testing-services",{"title":4722,"path":4723,"stem":4724},"E2E тестування та покриття коду","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F04-e2e-testing-coverage","18.web-development\u002F15.testing-documentation-deployment\u002F04-e2e-testing-coverage",{"title":4726,"path":4727,"stem":4728},"Swagger, OpenAPI, Scalar та Arazzo","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F05-swagger-openapi","18.web-development\u002F15.testing-documentation-deployment\u002F05-swagger-openapi",{"title":4730,"path":4731,"stem":4732},"Керування конфігурацією","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F06-configuration-management","18.web-development\u002F15.testing-documentation-deployment\u002F06-configuration-management",{"title":4734,"path":4735,"stem":4736},"Docker та контейнеризація","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F07-docker-containerization","18.web-development\u002F15.testing-documentation-deployment\u002F07-docker-containerization",{"title":4738,"path":4739,"stem":4740},"CI\u002FCD Pipelines","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F08-cicd-pipelines","18.web-development\u002F15.testing-documentation-deployment\u002F08-cicd-pipelines",{"title":4742,"path":4743,"stem":4744},"Логування та моніторинг","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F09-logging-monitoring","18.web-development\u002F15.testing-documentation-deployment\u002F09-logging-monitoring",{"title":4746,"path":4747,"stem":4748},"Серіалізація та компресія","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F10-serialization-compression","18.web-development\u002F15.testing-documentation-deployment\u002F10-serialization-compression",{"title":4750,"icon":4751,"path":4752,"stem":4753,"children":4754,"page":59},"AI Core: мислення AI","i-lucide-brain","\u002Fai-core","19.ai-core",[4755,4796,4845,4883],{"title":4756,"icon":4705,"path":4757,"stem":4758,"children":4759,"page":59},"Вхід у професію AI Native Developer","\u002Fai-core\u002Fai-native-developer","19.ai-core\u002F01.ai-native-developer",[4760,4764,4768,4772,4776,4780,4784,4788,4792],{"title":4761,"path":4762,"stem":4763},"Вступ до професії розробника цифрових продуктів","\u002Fai-core\u002Fai-native-developer\u002Fdigital-products","19.ai-core\u002F01.ai-native-developer\u002F01.digital-products",{"title":4765,"path":4766,"stem":4767},"Професія розробника програмного забезпечення","\u002Fai-core\u002Fai-native-developer\u002Fsoftware-developer","19.ai-core\u002F01.ai-native-developer\u002F02.software-developer",{"title":4769,"path":4770,"stem":4771},"Професія AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fai-native-developer","19.ai-core\u002F01.ai-native-developer\u002F03.ai-native-developer",{"title":4773,"path":4774,"stem":4775},"Вплив AI на розробку програмного забезпечення","\u002Fai-core\u002Fai-native-developer\u002Fai-impact-on-development","19.ai-core\u002F01.ai-native-developer\u002F04.ai-impact-on-development",{"title":4777,"path":4778,"stem":4779},"Життєвий цикл цифрового продукту","\u002Fai-core\u002Fai-native-developer\u002Fproduct-lifecycle","19.ai-core\u002F01.ai-native-developer\u002F05.product-lifecycle",{"title":4781,"path":4782,"stem":4783},"Застосування AI на етапах створення цифрового продукту","\u002Fai-core\u002Fai-native-developer\u002Fai-in-product-creation","19.ai-core\u002F01.ai-native-developer\u002F06.ai-in-product-creation",{"title":4785,"path":4786,"stem":4787},"Розподіл завдань між людиною та AI","\u002Fai-core\u002Fai-native-developer\u002Fhuman-vs-ai-tasks","19.ai-core\u002F01.ai-native-developer\u002F07.human-vs-ai-tasks",{"title":4789,"path":4790,"stem":4791},"Компетенції AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fcompetencies","19.ai-core\u002F01.ai-native-developer\u002F08.competencies",{"title":4793,"path":4794,"stem":4795},"Карта професійного розвитку AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fcareer-roadmap","19.ai-core\u002F01.ai-native-developer\u002F09.career-roadmap",{"title":4797,"icon":255,"path":4798,"stem":4799,"children":4800,"page":59},"Штучний інтелект і машинне навчання","\u002Fai-core\u002Fai-and-machine-learning","19.ai-core\u002F02.ai-and-machine-learning",[4801,4805,4809,4813,4817,4821,4825,4829,4833,4837,4841],{"title":4802,"path":4803,"stem":4804},"Штучний інтелект","\u002Fai-core\u002Fai-and-machine-learning\u002Fwhat-is-ai","19.ai-core\u002F02.ai-and-machine-learning\u002F01.what-is-ai",{"title":4806,"path":4807,"stem":4808},"Відмінність AI від інших програмних систем","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-vs-automation","19.ai-core\u002F02.ai-and-machine-learning\u002F02.ai-vs-automation",{"title":4810,"path":4811,"stem":4812},"Завдання штучного інтелекту","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-tasks","19.ai-core\u002F02.ai-and-machine-learning\u002F03.ai-tasks",{"title":4814,"path":4815,"stem":4816},"Machine Learning","\u002Fai-core\u002Fai-and-machine-learning\u002Fmachine-learning","19.ai-core\u002F02.ai-and-machine-learning\u002F04.machine-learning",{"title":4818,"path":4819,"stem":4820},"Machine Learning Workflow","\u002Fai-core\u002Fai-and-machine-learning\u002Fml-workflow","19.ai-core\u002F02.ai-and-machine-learning\u002F05.ml-workflow",{"title":4822,"path":4823,"stem":4824},"Типи машинного навчання","\u002Fai-core\u002Fai-and-machine-learning\u002Fml-types","19.ai-core\u002F02.ai-and-machine-learning\u002F06.ml-types",{"title":4826,"path":4827,"stem":4828},"Generative AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fgenerative-ai","19.ai-core\u002F02.ai-and-machine-learning\u002F07.generative-ai",{"title":4830,"path":4831,"stem":4832},"Типи контенту, створюваного AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-content-types","19.ai-core\u002F02.ai-and-machine-learning\u002F08.ai-content-types",{"title":4834,"path":4835,"stem":4836},"Великі мовні моделі","\u002Fai-core\u002Fai-and-machine-learning\u002Flarge-language-models","19.ai-core\u002F02.ai-and-machine-learning\u002F09.large-language-models",{"title":4838,"path":4839,"stem":4840},"Можливості та обмеження Generative AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fcapabilities-and-limitations","19.ai-core\u002F02.ai-and-machine-learning\u002F10.capabilities-and-limitations",{"title":4842,"path":4843,"stem":4844},"Сучасні AI-асистенти","\u002Fai-core\u002Fai-and-machine-learning\u002Fmodern-ai-assistants","19.ai-core\u002F02.ai-and-machine-learning\u002F11.modern-ai-assistants",{"title":4846,"icon":4847,"path":4848,"stem":4849,"children":4850,"page":59},"Постановка завдань для AI: принципи створення промптів","i-lucide-message-square-text","\u002Fai-core\u002Fprompt-engineering","19.ai-core\u002F03.prompt-engineering",[4851,4855,4859,4863,4867,4871,4875,4879],{"title":4852,"path":4853,"stem":4854},"Промпт як інструмент","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-as-tool","19.ai-core\u002F03.prompt-engineering\u002F01.prompt-as-tool",{"title":4856,"path":4857,"stem":4858},"Принципи створення промптів","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-principles","19.ai-core\u002F03.prompt-engineering\u002F02.prompt-principles",{"title":4860,"path":4861,"stem":4862},"Структура промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-structure","19.ai-core\u002F03.prompt-engineering\u002F03.prompt-structure",{"title":4864,"path":4865,"stem":4866},"Види промптів за типом задачі","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-types","19.ai-core\u002F03.prompt-engineering\u002F04.prompt-types",{"title":4868,"path":4869,"stem":4870},"Прийоми посилення промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-enhancement","19.ai-core\u002F03.prompt-engineering\u002F05.prompt-enhancement",{"title":4872,"path":4873,"stem":4874},"Розбір і покращення промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-analysis","19.ai-core\u002F03.prompt-engineering\u002F06.prompt-analysis",{"title":4876,"path":4877,"stem":4878},"Типові помилки під час створення промптів","\u002Fai-core\u002Fprompt-engineering\u002Fcommon-mistakes","19.ai-core\u002F03.prompt-engineering\u002F07.common-mistakes",{"title":4880,"path":4881,"stem":4882},"Практикум: особиста бібліотека промптів","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-library","19.ai-core\u002F03.prompt-engineering\u002F08.prompt-library",{"title":4884,"icon":793,"path":4885,"stem":4886,"children":4887,"page":59},"Перевірка результатів, безпека та AI Native Workflow","\u002Fai-core\u002Fverification-security-workflow","19.ai-core\u002F04.verification-security-workflow",[4888,4892,4896,4900,4904,4908,4912,4916,4920],{"title":4889,"path":4890,"stem":4891},"Межі можливостей AI","\u002Fai-core\u002Fverification-security-workflow\u002Fai-limitations","19.ai-core\u002F04.verification-security-workflow\u002F01.ai-limitations",{"title":4893,"path":4894,"stem":4895},"Галюцинації AI","\u002Fai-core\u002Fverification-security-workflow\u002Fai-hallucinations","19.ai-core\u002F04.verification-security-workflow\u002F02.ai-hallucinations",{"title":4897,"path":4898,"stem":4899},"Критичне мислення під час роботи з AI","\u002Fai-core\u002Fverification-security-workflow\u002Fcritical-thinking","19.ai-core\u002F04.verification-security-workflow\u002F03.critical-thinking",{"title":4901,"path":4902,"stem":4903},"Перевірка результатів роботи AI","\u002Fai-core\u002Fverification-security-workflow\u002Fresult-verification","19.ai-core\u002F04.verification-security-workflow\u002F04.result-verification",{"title":4905,"path":4906,"stem":4907},"Захист даних під час роботи з AI","\u002Fai-core\u002Fverification-security-workflow\u002Fdata-protection","19.ai-core\u002F04.verification-security-workflow\u002F05.data-protection",{"title":4909,"path":4910,"stem":4911},"Авторське право та навчальна доброчесність","\u002Fai-core\u002Fverification-security-workflow\u002Fcopyright-integrity","19.ai-core\u002F04.verification-security-workflow\u002F06.copyright-integrity",{"title":4913,"path":4914,"stem":4915},"Відповідальне використання AI","\u002Fai-core\u002Fverification-security-workflow\u002Fresponsible-use","19.ai-core\u002F04.verification-security-workflow\u002F07.responsible-use",{"title":4917,"path":4918,"stem":4919},"AI Native Workflow","\u002Fai-core\u002Fverification-security-workflow\u002Fai-native-workflow","19.ai-core\u002F04.verification-security-workflow\u002F08.ai-native-workflow",{"title":4921,"path":4922,"stem":4923},"Застосування AI Native Workflow під час створення цифрового продукту","\u002Fai-core\u002Fverification-security-workflow\u002Fworkflow-in-practice","19.ai-core\u002F04.verification-security-workflow\u002F09.workflow-in-practice",{"title":4925,"icon":4926,"path":4927,"stem":4928,"children":4929,"page":59},"AI Developer: Vibe Coding Sprint","i-lucide-code-xml","\u002Fai-developer","20.ai-developer",[4930,4956,4978,4999],{"title":4931,"icon":4932,"path":4933,"stem":4934,"children":4935,"page":59},"Проєктування і чорнова версія","i-lucide-pencil-ruler","\u002Fai-developer\u002Fdraft-creation","20.ai-developer\u002F01.draft-creation",[4936,4940,4944,4948,4952],{"title":4937,"path":4938,"stem":4939},"Парадигма Vibe Coding Workflow","\u002Fai-developer\u002Fdraft-creation\u002Fvibe-coding-workflow","20.ai-developer\u002F01.draft-creation\u002F01.vibe-coding-workflow",{"title":4941,"path":4942,"stem":4943},"AI-середовище швидкої розробки","\u002Fai-developer\u002Fdraft-creation\u002Fai-ide-environment","20.ai-developer\u002F01.draft-creation\u002F02.ai-ide-environment",{"title":4945,"path":4946,"stem":4947},"Користувацьке завдання та межі першої версії","\u002Fai-developer\u002Fdraft-creation\u002Fproduct-scope-and-mvp","20.ai-developer\u002F01.draft-creation\u002F03.product-scope-and-mvp",{"title":4949,"path":4950,"stem":4951},"Архітектура інтерфейсу та стани застосунку","\u002Fai-developer\u002Fdraft-creation\u002Fapplication-architecture-and-states","20.ai-developer\u002F01.draft-creation\u002F04.application-architecture-and-states",{"title":4953,"path":4954,"stem":4955},"Генерація та фіксація чорнової версії","\u002Fai-developer\u002Fdraft-creation\u002Fgenerating-draft-version","20.ai-developer\u002F01.draft-creation\u002F05.generating-draft-version",{"title":4957,"icon":4958,"path":4959,"stem":4960,"children":4961,"page":59},"Перша робоча версія","i-lucide-play-circle","\u002Fai-developer\u002Ffirst-working-version","20.ai-developer\u002F02.first-working-version",[4962,4966,4970,4974],{"title":4963,"path":4964,"stem":4965},"Уточнення контексту проєкту для AI","\u002Fai-developer\u002Ffirst-working-version\u002Frefining-project-context","20.ai-developer\u002F02.first-working-version\u002F01.refining-project-context",{"title":4967,"path":4968,"stem":4969},"Стратегія завдань для AI-розробки","\u002Fai-developer\u002Ffirst-working-version\u002Fai-prompting-strategy","20.ai-developer\u002F02.first-working-version\u002F02.ai-prompting-strategy",{"title":4971,"path":4972,"stem":4973},"Доопрацювання до першої робочої версії","\u002Fai-developer\u002Ffirst-working-version\u002Frefining-to-working-version","20.ai-developer\u002F02.first-working-version\u002F03.refining-to-working-version",{"title":4975,"path":4976,"stem":4977},"Перевірка першої робочої версії","\u002Fai-developer\u002Ffirst-working-version\u002Ftesting-first-working-version","20.ai-developer\u002F02.first-working-version\u002F04.testing-first-working-version",{"title":4979,"icon":3028,"path":4980,"stem":4981,"children":4982,"page":59},"Ітерації, дебагінг та відновлення","\u002Fai-developer\u002Fiteration-debugging-recovery","20.ai-developer\u002F03.iteration-debugging-recovery",[4983,4987,4991,4995],{"title":4984,"path":4985,"stem":4986},"Управління точковими змінами продукту","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fchange-management","20.ai-developer\u002F03.iteration-debugging-recovery\u002F01.change-management",{"title":4988,"path":4989,"stem":4990},"Надійність інтерфейсу та обробка помилок","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fscenario-reliability-and-errors","20.ai-developer\u002F03.iteration-debugging-recovery\u002F02.scenario-reliability-and-errors",{"title":4992,"path":4993,"stem":4994},"Керування контекстом і збереження версій","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fproject-context-and-versions","20.ai-developer\u002F03.iteration-debugging-recovery\u002F03.project-context-and-versions",{"title":4996,"path":4997,"stem":4998},"Збої AI-розробки, ліміти та аварійне відновлення","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fai-breakdowns-and-recovery","20.ai-developer\u002F03.iteration-debugging-recovery\u002F04.ai-breakdowns-and-recovery",{"title":5000,"icon":5001,"path":5002,"stem":5003,"children":5004,"page":59},"Перевірка та завершення продукту","i-lucide-check-check","\u002Fai-developer\u002Fverification-and-completion","20.ai-developer\u002F04.verification-and-completion",[5005,5009,5013],{"title":5006,"path":5007,"stem":5008},"Комплексний аудит та підсумкове тестування","\u002Fai-developer\u002Fverification-and-completion\u002Ffinal-product-testing","20.ai-developer\u002F04.verification-and-completion\u002F01.final-product-testing",{"title":5010,"path":5011,"stem":5012},"Підготовка підсумкової версії коду","\u002Fai-developer\u002Fverification-and-completion\u002Fpreparing-release-version","20.ai-developer\u002F04.verification-and-completion\u002F02.preparing-release-version",{"title":5014,"path":5015,"stem":5016},"Демонстрація, публікація та критерії оцінювання","\u002Fai-developer\u002Fverification-and-completion\u002Fproduct-showcase-and-publishing","20.ai-developer\u002F04.verification-and-completion\u002F03.product-showcase-and-publishing",{"title":5018,"path":5019,"stem":5020,"children":5021,"page":59},"Tailwind","\u002Ftailwind","21.tailwind",[5022,5026,5030,5034,5038,5042,5046,5050,5054,5058,5062,5066],{"title":5023,"path":5024,"stem":5025},"Що таке Tailwind CSS і навіщо він потрібен","\u002Ftailwind\u002Ftailwind-intro-philosophy","21.tailwind\u002F01.tailwind-intro-philosophy",{"title":5027,"path":5028,"stem":5029},"Встановлення та налаштування Tailwind CSS v4","\u002Ftailwind\u002Ftailwind-installation-setup","21.tailwind\u002F02.tailwind-installation-setup",{"title":5031,"path":5032,"stem":5033},"Utility-класи: основи та система Tailwind","\u002Ftailwind\u002Ftailwind-utility-classes-core","21.tailwind\u002F03.tailwind-utility-classes-core",{"title":5035,"path":5036,"stem":5037},"Layout: Flexbox та Grid через Tailwind","\u002Ftailwind\u002Ftailwind-flexbox-grid","21.tailwind\u002F04.tailwind-flexbox-grid",{"title":5039,"path":5040,"stem":5041},"Кастомізація теми через @theme у Tailwind v4","\u002Ftailwind\u002Ftailwind-theme-customization","21.tailwind\u002F05.tailwind-theme-customization",{"title":5043,"path":5044,"stem":5045},"Варіанти: hover, focus, responsive, dark mode та нові v4","\u002Ftailwind\u002Ftailwind-variants-states","21.tailwind\u002F06.tailwind-variants-states",{"title":5047,"path":5048,"stem":5049},"Типографіка та система кольорів у Tailwind v4","\u002Ftailwind\u002Ftailwind-typography-colors","21.tailwind\u002F07.tailwind-typography-colors",{"title":5051,"path":5052,"stem":5053},"Компоненти та повторюваність: @apply, @utility та патерни","\u002Ftailwind\u002Ftailwind-components-patterns","21.tailwind\u002F08.tailwind-components-patterns",{"title":5055,"path":5056,"stem":5057},"Темна тема та система дизайн-токенів у Tailwind v4","\u002Ftailwind\u002Ftailwind-dark-mode-theming","21.tailwind\u002F09.tailwind-dark-mode-theming",{"title":5059,"path":5060,"stem":5061},"Довільні значення та контейнерні запити у Tailwind v4","\u002Ftailwind\u002Ftailwind-arbitrary-container-queries","21.tailwind\u002F10.tailwind-arbitrary-container-queries",{"title":5063,"path":5064,"stem":5065},"Анімації, трансформації та 3D у Tailwind v4","\u002Ftailwind\u002Ftailwind-animations-transforms","21.tailwind\u002F11.tailwind-animations-transforms",{"title":5067,"path":5068,"stem":5069},"Tailwind CLI, PostCSS та інтеграція з фреймворками","\u002Ftailwind\u002Ftailwind-cli-tooling","21.tailwind\u002F12.tailwind-cli-tooling",{"title":5071,"path":5072,"stem":5073},"Тестування компонентів діаграм","\u002Ftest-components","98.test-components",{"id":5075,"title":4718,"body":5076,"description":5272,"extension":18607,"links":18608,"meta":18609,"navigation":5426,"path":4719,"seo":18610,"stem":4720,"__hash__":18611},"docs\u002F18.web-development\u002F15.testing-documentation-deployment\u002F03-unit-testing-services.md",{"type":5077,"value":5078,"toc":18562},"minimark",[5079,5083,5158,5161,5166,5170,5242,5245,5247,5251,5263,5266,5757,5768,5774,5788,5794,5800,5819,6776,6786,6812,6814,6818,6821,6826,6840,6851,7015,7032,7036,7046,7061,7234,7251,7276,7280,7286,7448,7464,7468,7472,7482,7489,7846,7849,7851,7855,7858,7862,7869,7897,8078,8082,8091,8099,8170,8178,8313,8321,8421,8429,8530,8534,8540,8744,8751,8753,8757,8760,8767,8770,9257,9260,11241,11245,11255,11279,11298,11396,11563,11565,11569,11572,11576,12145,12148,13910,13913,13921,13927,13933,13939,13957,13959,13963,13973,13977,13980,14076,14083,14091,14095,14101,14292,14295,14299,14305,14520,14523,14529,14533,14543,14655,14664,14668,14671,14906,14910,14913,15078,15082,15089,15342,15391,15393,15397,15407,15411,16015,16019,16022,16365,16369,16379,16979,16986,17073,17075,17079,17085,17089,17123,17126,17347,17351,17354,17367,17405,17408,17424,17484,17491,17501,17564,17573,17582,17618,17622,17631,17637,17648,17652,17658,17694,17697,17720,17724,17727,17781,17853,17857,17860,18016,18023,18025,18029,18032,18102,18120,18140,18143,18558],[5080,5081,4718],"h1",{"id":5082},"unit-тестування-сервісів",[5084,5085,5086,5122],"card-group",{},[5087,5088,5091],"card",{"icon":5089,"title":5090},"i-lucide-target","🎯 Мета лекції",[5092,5093,5094,5098,5113,5116,5119],"ul",{},[5095,5096,5097],"li",{},"Опанувати техніки ізоляції сервісів від зовнішніх залежностей для швидкого та надійного тестування.",[5095,5099,5100,5101,5105,5106,5105,5109,5112],{},"Навчитися створювати та налаштовувати mock об'єкти через ",[5102,5103,5104],"code",{},"jest.fn()",", ",[5102,5107,5108],{},"jest.spyOn()",[5102,5110,5111],{},"mockResolvedValue()",".",[5095,5114,5115],{},"Освоїти мокування TypeORM репозиторіїв та інших NestJS providers у тестах.",[5095,5117,5118],{},"Зрозуміти різницу між типами test doubles: mocks, stubs, spies та коли використовувати кожен.",[5095,5120,5121],{},"Навчитися перевіряти не лише результати, а й взаємодію між компонентами через assertion на виклики методів.",[5087,5123,5125],{"icon":4574,"title":5124},"🔑 Ключові терміни",[5092,5126,5127,5134,5140,5146,5152],{},[5095,5128,5129,5133],{},[5130,5131,5132],"strong",{},"Test Double:"," загальний термін для об'єктів-замінників у тестах (mocks, stubs, fakes, spies).",[5095,5135,5136,5139],{},[5130,5137,5138],{},"Mock Object:"," об'єкт, що імітує поведінку реальної залежності та дозволяє перевіряти виклики його методів.",[5095,5141,5142,5145],{},[5130,5143,5144],{},"Stub:"," спрощена реалізація залежності, що повертає заздалегідь визначені дані без перевірки викликів.",[5095,5147,5148,5151],{},[5130,5149,5150],{},"Spy:"," обгортка навколо реального методу, що дозволяє відстежувати виклики, зберігаючи оригінальну поведінку.",[5095,5153,5154,5157],{},[5130,5155,5156],{},"Isolation (Ізоляція):"," принцип тестування, коли компонент перевіряється окремо від усіх зовнішніх залежностей.",[5159,5160],"hr",{},[5162,5163,5165],"h2",{"id":5164},"короткий-зміст","Короткий зміст",[5167,5168,5169],"p",{},"У цій лекції детально вивчається тестування бізнес-логіки у сервісах з ізоляцією залежностей:",[5092,5171,5172,5178,5195,5208,5214,5220,5236],{},[5095,5173,5174,5177],{},[5130,5175,5176],{},"Unit-тестування концепція"," — тестування smallest testable units (методів сервісу) у повній ізоляції від зовнішніх залежностей (БД, інші сервіси, HTTP), швидкі тести для швидкого feedback",[5095,5179,5180,5183,5184,5186,5187,5189,5190,5105,5193],{},[5130,5181,5182],{},"Мокування залежностей"," — заміна реальних залежностей на mock objects, ",[5102,5185,5104],{}," для створення mock функцій, ",[5102,5188,5108],{}," для шпигунства за викликами методів, налаштування return values через ",[5102,5191,5192],{},"mockReturnValue()",[5102,5194,5111],{},[5095,5196,5197,5200,5201,5203,5204,5207],{},[5130,5198,5199],{},"Мок-репозиторії TypeORM"," — створення mock repository через ",[5102,5202,5104],{}," для методів find, findOne, save, remove, реєстрація у testing module через custom providers, ",[5102,5205,5206],{},"getRepositoryToken()"," для injection token",[5095,5209,5210,5213],{},[5130,5211,5212],{},"Testing providers з залежностями"," — мокування сервісів у constructor injection, createTestingModule з providers array, overrideProvider() для заміни реальних providers на mocks",[5095,5215,5216,5219],{},[5130,5217,5218],{},"Isolated testing patterns"," — AAA pattern (Arrange-Act-Assert), Given-When-Then, тестування edge cases (null, undefined, empty arrays), error scenarios (throwing exceptions)",[5095,5221,5222,5225,5226,5105,5229,5105,5232,5235],{},[5130,5223,5224],{},"Assertion на виклики"," — перевірка що метод був викликаний: ",[5102,5227,5228],{},"toHaveBeenCalled()",[5102,5230,5231],{},"toHaveBeenCalledWith()",[5102,5233,5234],{},"toHaveBeenCalledTimes()",", важливість verify правильних аргументів",[5095,5237,5238,5241],{},[5130,5239,5240],{},"Coverage метрики"," — statement coverage, branch coverage, function coverage, line coverage, цільові показники для production code",[5167,5243,5244],{},"Розглядаються практичні приклади: тестування CRUD методів сервісу, мокування repository для різних scenarios, testing business validation logic, error handling tests.",[5159,5246],{},[5162,5248,5250],{"id":5249},"концепція-ізоляції-у-unit-тестах","Концепція ізоляції у Unit тестах",[5167,5252,5253,5254,5257,5258,5262],{},"На попередніх лекціях ми розглянули піраміду тестування та базову структуру тестів через Jest. Тепер заглибимося у найважливішу складову Unit тестування — ",[5130,5255,5256],{},"ізоляцію"," (",[5259,5260,5261],"em",{},"isolation","). Що це означає практично?",[5167,5264,5265],{},"Уявіть типовий NestJS сервіс для роботи з замовленнями:",[5267,5268,5273],"pre",{"className":5269,"code":5270,"language":5271,"meta":5272,"style":5272},"language-typescript shiki shiki-themes light-plus dark-plus dark-plus","@Injectable()\nexport class OrderService {\n  constructor(\n    @InjectRepository(Order)\n    private readonly orderRepository: Repository\u003COrder>,\n    private readonly userService: UserService,\n    private readonly emailService: EmailService,\n    private readonly paymentGateway: PaymentGateway,\n  ) {}\n\n  async createOrder(userId: string, items: OrderItem[]): Promise\u003COrder> {\n    \u002F\u002F 1. Перевірка існування користувача\n    const user = await this.userService.findById(userId);\n    \n    \u002F\u002F 2. Валідація товарів та розрахунок суми\n    const total = this.calculateTotal(items);\n    \n    \u002F\u002F 3. Обробка платежу через зовнішній шлюз\n    const payment = await this.paymentGateway.charge(user.paymentMethod, total);\n    \n    \u002F\u002F 4. Збереження замовлення у БД\n    const order = this.orderRepository.create({ userId, items, total, paymentId: payment.id });\n    await this.orderRepository.save(order);\n    \n    \u002F\u002F 5. Відправка email-підтвердження\n    await this.emailService.sendOrderConfirmation(user.email, order);\n    \n    return order;\n  }\n}\n","typescript","",[5102,5274,5275,5291,5309,5318,5337,5363,5381,5398,5415,5421,5428,5470,5477,5513,5519,5525,5549,5554,5560,5601,5606,5612,5662,5686,5691,5697,5729,5734,5745,5751],{"__ignoreMap":5272},[5276,5277,5280,5284,5288],"span",{"class":5278,"line":5279},"line",1,[5276,5281,5283],{"class":5282},"sHH4Y","@",[5276,5285,5287],{"class":5286},"s8Opu","Injectable",[5276,5289,5290],{"class":5282},"()\n",[5276,5292,5294,5298,5302,5306],{"class":5278,"line":5293},2,[5276,5295,5297],{"class":5296},"s8xlr","export",[5276,5299,5301],{"class":5300},"su1O8"," class",[5276,5303,5305],{"class":5304},"sN1BT"," OrderService",[5276,5307,5308],{"class":5282}," {\n",[5276,5310,5312,5315],{"class":5278,"line":5311},3,[5276,5313,5314],{"class":5300},"  constructor",[5276,5316,5317],{"class":5282},"(\n",[5276,5319,5321,5324,5327,5330,5334],{"class":5278,"line":5320},4,[5276,5322,5323],{"class":5282},"    @",[5276,5325,5326],{"class":5286},"InjectRepository",[5276,5328,5329],{"class":5282},"(",[5276,5331,5333],{"class":5332},"siwwj","Order",[5276,5335,5336],{"class":5282},")\n",[5276,5338,5340,5343,5346,5349,5352,5355,5358,5360],{"class":5278,"line":5339},5,[5276,5341,5342],{"class":5300},"    private",[5276,5344,5345],{"class":5300}," readonly",[5276,5347,5348],{"class":5332}," orderRepository",[5276,5350,5351],{"class":5282},": ",[5276,5353,5354],{"class":5304},"Repository",[5276,5356,5357],{"class":5282},"\u003C",[5276,5359,5333],{"class":5304},[5276,5361,5362],{"class":5282},">,\n",[5276,5364,5366,5368,5370,5373,5375,5378],{"class":5278,"line":5365},6,[5276,5367,5342],{"class":5300},[5276,5369,5345],{"class":5300},[5276,5371,5372],{"class":5332}," userService",[5276,5374,5351],{"class":5282},[5276,5376,5377],{"class":5304},"UserService",[5276,5379,5380],{"class":5282},",\n",[5276,5382,5384,5386,5388,5391,5393,5396],{"class":5278,"line":5383},7,[5276,5385,5342],{"class":5300},[5276,5387,5345],{"class":5300},[5276,5389,5390],{"class":5332}," emailService",[5276,5392,5351],{"class":5282},[5276,5394,5395],{"class":5304},"EmailService",[5276,5397,5380],{"class":5282},[5276,5399,5401,5403,5405,5408,5410,5413],{"class":5278,"line":5400},8,[5276,5402,5342],{"class":5300},[5276,5404,5345],{"class":5300},[5276,5406,5407],{"class":5332}," paymentGateway",[5276,5409,5351],{"class":5282},[5276,5411,5412],{"class":5304},"PaymentGateway",[5276,5414,5380],{"class":5282},[5276,5416,5418],{"class":5278,"line":5417},9,[5276,5419,5420],{"class":5282},"  ) {}\n",[5276,5422,5424],{"class":5278,"line":5423},10,[5276,5425,5427],{"emptyLinePlaceholder":5426},true,"\n",[5276,5429,5431,5434,5437,5439,5442,5444,5447,5449,5452,5454,5457,5460,5463,5465,5467],{"class":5278,"line":5430},11,[5276,5432,5433],{"class":5300},"  async",[5276,5435,5436],{"class":5286}," createOrder",[5276,5438,5329],{"class":5282},[5276,5440,5441],{"class":5332},"userId",[5276,5443,5351],{"class":5282},[5276,5445,5446],{"class":5304},"string",[5276,5448,5105],{"class":5282},[5276,5450,5451],{"class":5332},"items",[5276,5453,5351],{"class":5282},[5276,5455,5456],{"class":5304},"OrderItem",[5276,5458,5459],{"class":5282},"[]): ",[5276,5461,5462],{"class":5304},"Promise",[5276,5464,5357],{"class":5282},[5276,5466,5333],{"class":5304},[5276,5468,5469],{"class":5282},"> {\n",[5276,5471,5473],{"class":5278,"line":5472},12,[5276,5474,5476],{"class":5475},"spJ8K","    \u002F\u002F 1. Перевірка існування користувача\n",[5276,5478,5480,5483,5487,5490,5493,5496,5498,5501,5503,5506,5508,5510],{"class":5278,"line":5479},13,[5276,5481,5482],{"class":5300},"    const",[5276,5484,5486],{"class":5485},"s-QsJ"," user",[5276,5488,5489],{"class":5282}," = ",[5276,5491,5492],{"class":5296},"await",[5276,5494,5495],{"class":5300}," this",[5276,5497,5112],{"class":5282},[5276,5499,5500],{"class":5332},"userService",[5276,5502,5112],{"class":5282},[5276,5504,5505],{"class":5286},"findById",[5276,5507,5329],{"class":5282},[5276,5509,5441],{"class":5332},[5276,5511,5512],{"class":5282},");\n",[5276,5514,5516],{"class":5278,"line":5515},14,[5276,5517,5518],{"class":5282},"    \n",[5276,5520,5522],{"class":5278,"line":5521},15,[5276,5523,5524],{"class":5475},"    \u002F\u002F 2. Валідація товарів та розрахунок суми\n",[5276,5526,5528,5530,5533,5535,5538,5540,5543,5545,5547],{"class":5278,"line":5527},16,[5276,5529,5482],{"class":5300},[5276,5531,5532],{"class":5485}," total",[5276,5534,5489],{"class":5282},[5276,5536,5537],{"class":5300},"this",[5276,5539,5112],{"class":5282},[5276,5541,5542],{"class":5286},"calculateTotal",[5276,5544,5329],{"class":5282},[5276,5546,5451],{"class":5332},[5276,5548,5512],{"class":5282},[5276,5550,5552],{"class":5278,"line":5551},17,[5276,5553,5518],{"class":5282},[5276,5555,5557],{"class":5278,"line":5556},18,[5276,5558,5559],{"class":5475},"    \u002F\u002F 3. Обробка платежу через зовнішній шлюз\n",[5276,5561,5563,5565,5568,5570,5572,5574,5576,5579,5581,5584,5586,5589,5591,5594,5596,5599],{"class":5278,"line":5562},19,[5276,5564,5482],{"class":5300},[5276,5566,5567],{"class":5485}," payment",[5276,5569,5489],{"class":5282},[5276,5571,5492],{"class":5296},[5276,5573,5495],{"class":5300},[5276,5575,5112],{"class":5282},[5276,5577,5578],{"class":5332},"paymentGateway",[5276,5580,5112],{"class":5282},[5276,5582,5583],{"class":5286},"charge",[5276,5585,5329],{"class":5282},[5276,5587,5588],{"class":5332},"user",[5276,5590,5112],{"class":5282},[5276,5592,5593],{"class":5332},"paymentMethod",[5276,5595,5105],{"class":5282},[5276,5597,5598],{"class":5332},"total",[5276,5600,5512],{"class":5282},[5276,5602,5604],{"class":5278,"line":5603},20,[5276,5605,5518],{"class":5282},[5276,5607,5609],{"class":5278,"line":5608},21,[5276,5610,5611],{"class":5475},"    \u002F\u002F 4. Збереження замовлення у БД\n",[5276,5613,5615,5617,5620,5622,5624,5626,5629,5631,5634,5637,5639,5641,5643,5645,5647,5649,5652,5654,5656,5659],{"class":5278,"line":5614},22,[5276,5616,5482],{"class":5300},[5276,5618,5619],{"class":5485}," order",[5276,5621,5489],{"class":5282},[5276,5623,5537],{"class":5300},[5276,5625,5112],{"class":5282},[5276,5627,5628],{"class":5332},"orderRepository",[5276,5630,5112],{"class":5282},[5276,5632,5633],{"class":5286},"create",[5276,5635,5636],{"class":5282},"({ ",[5276,5638,5441],{"class":5332},[5276,5640,5105],{"class":5282},[5276,5642,5451],{"class":5332},[5276,5644,5105],{"class":5282},[5276,5646,5598],{"class":5332},[5276,5648,5105],{"class":5282},[5276,5650,5651],{"class":5332},"paymentId:",[5276,5653,5567],{"class":5332},[5276,5655,5112],{"class":5282},[5276,5657,5658],{"class":5332},"id",[5276,5660,5661],{"class":5282}," });\n",[5276,5663,5665,5668,5670,5672,5674,5676,5679,5681,5684],{"class":5278,"line":5664},23,[5276,5666,5667],{"class":5296},"    await",[5276,5669,5495],{"class":5300},[5276,5671,5112],{"class":5282},[5276,5673,5628],{"class":5332},[5276,5675,5112],{"class":5282},[5276,5677,5678],{"class":5286},"save",[5276,5680,5329],{"class":5282},[5276,5682,5683],{"class":5332},"order",[5276,5685,5512],{"class":5282},[5276,5687,5689],{"class":5278,"line":5688},24,[5276,5690,5518],{"class":5282},[5276,5692,5694],{"class":5278,"line":5693},25,[5276,5695,5696],{"class":5475},"    \u002F\u002F 5. Відправка email-підтвердження\n",[5276,5698,5700,5702,5704,5706,5709,5711,5714,5716,5718,5720,5723,5725,5727],{"class":5278,"line":5699},26,[5276,5701,5667],{"class":5296},[5276,5703,5495],{"class":5300},[5276,5705,5112],{"class":5282},[5276,5707,5708],{"class":5332},"emailService",[5276,5710,5112],{"class":5282},[5276,5712,5713],{"class":5286},"sendOrderConfirmation",[5276,5715,5329],{"class":5282},[5276,5717,5588],{"class":5332},[5276,5719,5112],{"class":5282},[5276,5721,5722],{"class":5332},"email",[5276,5724,5105],{"class":5282},[5276,5726,5683],{"class":5332},[5276,5728,5512],{"class":5282},[5276,5730,5732],{"class":5278,"line":5731},27,[5276,5733,5518],{"class":5282},[5276,5735,5737,5740,5742],{"class":5278,"line":5736},28,[5276,5738,5739],{"class":5296},"    return",[5276,5741,5619],{"class":5332},[5276,5743,5744],{"class":5282},";\n",[5276,5746,5748],{"class":5278,"line":5747},29,[5276,5749,5750],{"class":5282},"  }\n",[5276,5752,5754],{"class":5278,"line":5753},30,[5276,5755,5756],{"class":5282},"}\n",[5167,5758,5759,5760,5763,5764,5767],{},"Цей метод має ",[5130,5761,5762],{},"п'ять зовнішніх залежностей",": TypeORM репозиторій, три інші сервіси та платіжний шлюз. Якщо ми спробуємо протестувати ",[5102,5765,5766],{},"createOrder()"," без ізоляції — запустивши весь стек залежностей — зіткнемося з проблемами:",[5167,5769,5770,5773],{},[5130,5771,5772],{},"1. Повільність."," Метод виконує реальні запити до БД, викликає зовнішній платіжний API, надсилає справжні email. Один тест може виконуватися 5-10 секунд. Якщо у вас 100 таких тестів, запуск тестового набору займе 10-15 хвилин — це неприйнятно для швидкого feedback loop.",[5167,5775,5776,5779,5780,5783,5784,5787],{},[5130,5777,5778],{},"2. Крихкість."," Тест падатиме при недоступності БД, збої мережі при виклику платіжного API, проблеми з SMTP сервером. Це ",[5130,5781,5782],{},"false negatives"," — тест червоний не через баг у ",[5102,5785,5786],{},"OrderService",", а через інфраструктурні проблеми.",[5167,5789,5790,5793],{},[5130,5791,5792],{},"3. Складність налаштування."," Щоб тест пройшов, потрібно: запустити БД, створити користувача, налаштувати тестовий акаунт у платіжному шлюзі, підняти SMTP mock. Це вимагає складної інфраструктури для тестів.",[5167,5795,5796,5799],{},[5130,5797,5798],{},"4. Побічні ефекти."," Тест створює реальні записи у БД, виконує платіжні транзакції (навіть у sandbox), надсилає email. Це вимагає cleanup після кожного тесту та може призвести до взаємовпливу тестів.",[5167,5801,5802,5805,5806,5257,5809,5812,5813,5818],{},[5130,5803,5804],{},"Рішення — ізоляція через test doubles."," Замість запуску реальних залежностей ми замінюємо їх на ",[5130,5807,5808],{},"тестові дублери",[5259,5810,5811],{},"test doubles",") — спрощені об'єкти, що імітують поведінку оригіналів. У результаті тест перевіряє ",[5130,5814,5815,5816],{},"лише логіку ",[5102,5817,5786],{},", не зачіпаючи БД, мережу чи інші сервіси:",[5267,5820,5822],{"className":5269,"code":5821,"language":5271,"meta":5272,"style":5272},"describe('OrderService', () => {\n  let service: OrderService;\n  let orderRepository: jest.Mocked\u003CRepository\u003COrder>>;\n  let userService: jest.Mocked\u003CUserService>;\n  let emailService: jest.Mocked\u003CEmailService>;\n  let paymentGateway: jest.Mocked\u003CPaymentGateway>;\n\n  beforeEach(async () => {\n    \u002F\u002F Створюємо test doubles для всіх залежностей\n    const mockOrderRepo = {\n      create: jest.fn(),\n      save: jest.fn(),\n      findOne: jest.fn(),\n    };\n    const mockUserService = { findById: jest.fn() };\n    const mockEmailService = { sendOrderConfirmation: jest.fn() };\n    const mockPaymentGateway = { charge: jest.fn() };\n\n    const module = await Test.createTestingModule({\n      providers: [\n        OrderService,\n        { provide: getRepositoryToken(Order), useValue: mockOrderRepo },\n        { provide: UserService, useValue: mockUserService },\n        { provide: EmailService, useValue: mockEmailService },\n        { provide: PaymentGateway, useValue: mockPaymentGateway },\n      ],\n    }).compile();\n\n    service = module.get\u003COrderService>(OrderService);\n    orderRepository = module.get(getRepositoryToken(Order));\n    userService = module.get(UserService);\n    emailService = module.get(EmailService);\n    paymentGateway = module.get(PaymentGateway);\n  });\n\n  it('should create order with correct total', async () => {\n    \u002F\u002F Arrange: налаштовуємо поведінку test doubles\n    const mockUser = { id: '1', email: 'user@test.com', paymentMethod: 'card_123' };\n    const mockPayment = { id: 'pay_456', status: 'success' };\n    const mockOrder = { id: 'order_789', userId: '1', total: 100 };\n\n    userService.findById.mockResolvedValue(mockUser);\n    paymentGateway.charge.mockResolvedValue(mockPayment);\n    orderRepository.create.mockReturnValue(mockOrder as Order);\n    orderRepository.save.mockResolvedValue(mockOrder as Order);\n    emailService.sendOrderConfirmation.mockResolvedValue(undefined);\n\n    \u002F\u002F Act: викликаємо тестований метод\n    const result = await service.createOrder('1', [{ productId: 'P1', price: 50, quantity: 2 }]);\n\n    \u002F\u002F Assert: перевіряємо результат та взаємодію\n    expect(result.total).toBe(100);\n    expect(paymentGateway.charge).toHaveBeenCalledWith('card_123', 100);\n    expect(orderRepository.save).toHaveBeenCalled();\n    expect(emailService.sendOrderConfirmation).toHaveBeenCalledWith('user@test.com', mockOrder);\n  });\n});\n",[5102,5823,5824,5843,5857,5884,5905,5925,5945,5949,5966,5971,5981,5997,6010,6023,6028,6050,6070,6090,6094,6116,6124,6131,6157,6174,6191,6208,6213,6224,6228,6254,6279,6299,6319,6339,6345,6350,6371,6377,6412,6437,6470,6475,6496,6516,6543,6566,6586,6591,6597,6649,6654,6660,6688,6717,6737,6765,6770],{"__ignoreMap":5272},[5276,5825,5826,5829,5831,5835,5838,5841],{"class":5278,"line":5279},[5276,5827,5828],{"class":5286},"describe",[5276,5830,5329],{"class":5282},[5276,5832,5834],{"class":5833},"sbdoH","'OrderService'",[5276,5836,5837],{"class":5282},", () ",[5276,5839,5840],{"class":5300},"=>",[5276,5842,5308],{"class":5282},[5276,5844,5845,5848,5851,5853,5855],{"class":5278,"line":5293},[5276,5846,5847],{"class":5300},"  let",[5276,5849,5850],{"class":5332}," service",[5276,5852,5351],{"class":5282},[5276,5854,5786],{"class":5304},[5276,5856,5744],{"class":5282},[5276,5858,5859,5861,5863,5865,5868,5870,5873,5875,5877,5879,5881],{"class":5278,"line":5311},[5276,5860,5847],{"class":5300},[5276,5862,5348],{"class":5332},[5276,5864,5351],{"class":5282},[5276,5866,5867],{"class":5304},"jest",[5276,5869,5112],{"class":5282},[5276,5871,5872],{"class":5304},"Mocked",[5276,5874,5357],{"class":5282},[5276,5876,5354],{"class":5304},[5276,5878,5357],{"class":5282},[5276,5880,5333],{"class":5304},[5276,5882,5883],{"class":5282},">>;\n",[5276,5885,5886,5888,5890,5892,5894,5896,5898,5900,5902],{"class":5278,"line":5320},[5276,5887,5847],{"class":5300},[5276,5889,5372],{"class":5332},[5276,5891,5351],{"class":5282},[5276,5893,5867],{"class":5304},[5276,5895,5112],{"class":5282},[5276,5897,5872],{"class":5304},[5276,5899,5357],{"class":5282},[5276,5901,5377],{"class":5304},[5276,5903,5904],{"class":5282},">;\n",[5276,5906,5907,5909,5911,5913,5915,5917,5919,5921,5923],{"class":5278,"line":5339},[5276,5908,5847],{"class":5300},[5276,5910,5390],{"class":5332},[5276,5912,5351],{"class":5282},[5276,5914,5867],{"class":5304},[5276,5916,5112],{"class":5282},[5276,5918,5872],{"class":5304},[5276,5920,5357],{"class":5282},[5276,5922,5395],{"class":5304},[5276,5924,5904],{"class":5282},[5276,5926,5927,5929,5931,5933,5935,5937,5939,5941,5943],{"class":5278,"line":5365},[5276,5928,5847],{"class":5300},[5276,5930,5407],{"class":5332},[5276,5932,5351],{"class":5282},[5276,5934,5867],{"class":5304},[5276,5936,5112],{"class":5282},[5276,5938,5872],{"class":5304},[5276,5940,5357],{"class":5282},[5276,5942,5412],{"class":5304},[5276,5944,5904],{"class":5282},[5276,5946,5947],{"class":5278,"line":5383},[5276,5948,5427],{"emptyLinePlaceholder":5426},[5276,5950,5951,5954,5956,5959,5962,5964],{"class":5278,"line":5400},[5276,5952,5953],{"class":5286},"  beforeEach",[5276,5955,5329],{"class":5282},[5276,5957,5958],{"class":5300},"async",[5276,5960,5961],{"class":5282}," () ",[5276,5963,5840],{"class":5300},[5276,5965,5308],{"class":5282},[5276,5967,5968],{"class":5278,"line":5417},[5276,5969,5970],{"class":5475},"    \u002F\u002F Створюємо test doubles для всіх залежностей\n",[5276,5972,5973,5975,5978],{"class":5278,"line":5423},[5276,5974,5482],{"class":5300},[5276,5976,5977],{"class":5485}," mockOrderRepo",[5276,5979,5980],{"class":5282}," = {\n",[5276,5982,5983,5986,5989,5991,5994],{"class":5278,"line":5430},[5276,5984,5985],{"class":5332},"      create:",[5276,5987,5988],{"class":5332}," jest",[5276,5990,5112],{"class":5282},[5276,5992,5993],{"class":5286},"fn",[5276,5995,5996],{"class":5282},"(),\n",[5276,5998,5999,6002,6004,6006,6008],{"class":5278,"line":5472},[5276,6000,6001],{"class":5332},"      save:",[5276,6003,5988],{"class":5332},[5276,6005,5112],{"class":5282},[5276,6007,5993],{"class":5286},[5276,6009,5996],{"class":5282},[5276,6011,6012,6015,6017,6019,6021],{"class":5278,"line":5479},[5276,6013,6014],{"class":5332},"      findOne:",[5276,6016,5988],{"class":5332},[5276,6018,5112],{"class":5282},[5276,6020,5993],{"class":5286},[5276,6022,5996],{"class":5282},[5276,6024,6025],{"class":5278,"line":5515},[5276,6026,6027],{"class":5282},"    };\n",[5276,6029,6030,6032,6035,6038,6041,6043,6045,6047],{"class":5278,"line":5521},[5276,6031,5482],{"class":5300},[5276,6033,6034],{"class":5485}," mockUserService",[5276,6036,6037],{"class":5282}," = { ",[5276,6039,6040],{"class":5332},"findById:",[5276,6042,5988],{"class":5332},[5276,6044,5112],{"class":5282},[5276,6046,5993],{"class":5286},[5276,6048,6049],{"class":5282},"() };\n",[5276,6051,6052,6054,6057,6059,6062,6064,6066,6068],{"class":5278,"line":5527},[5276,6053,5482],{"class":5300},[5276,6055,6056],{"class":5485}," mockEmailService",[5276,6058,6037],{"class":5282},[5276,6060,6061],{"class":5332},"sendOrderConfirmation:",[5276,6063,5988],{"class":5332},[5276,6065,5112],{"class":5282},[5276,6067,5993],{"class":5286},[5276,6069,6049],{"class":5282},[5276,6071,6072,6074,6077,6079,6082,6084,6086,6088],{"class":5278,"line":5551},[5276,6073,5482],{"class":5300},[5276,6075,6076],{"class":5485}," mockPaymentGateway",[5276,6078,6037],{"class":5282},[5276,6080,6081],{"class":5332},"charge:",[5276,6083,5988],{"class":5332},[5276,6085,5112],{"class":5282},[5276,6087,5993],{"class":5286},[5276,6089,6049],{"class":5282},[5276,6091,6092],{"class":5278,"line":5556},[5276,6093,5427],{"emptyLinePlaceholder":5426},[5276,6095,6096,6098,6101,6103,6105,6108,6110,6113],{"class":5278,"line":5562},[5276,6097,5482],{"class":5300},[5276,6099,6100],{"class":5485}," module",[5276,6102,5489],{"class":5282},[5276,6104,5492],{"class":5296},[5276,6106,6107],{"class":5332}," Test",[5276,6109,5112],{"class":5282},[5276,6111,6112],{"class":5286},"createTestingModule",[5276,6114,6115],{"class":5282},"({\n",[5276,6117,6118,6121],{"class":5278,"line":5603},[5276,6119,6120],{"class":5332},"      providers:",[5276,6122,6123],{"class":5282}," [\n",[5276,6125,6126,6129],{"class":5278,"line":5608},[5276,6127,6128],{"class":5332},"        OrderService",[5276,6130,5380],{"class":5282},[5276,6132,6133,6136,6139,6142,6144,6146,6149,6152,6154],{"class":5278,"line":5614},[5276,6134,6135],{"class":5282},"        { ",[5276,6137,6138],{"class":5332},"provide:",[5276,6140,6141],{"class":5286}," getRepositoryToken",[5276,6143,5329],{"class":5282},[5276,6145,5333],{"class":5332},[5276,6147,6148],{"class":5282},"), ",[5276,6150,6151],{"class":5332},"useValue:",[5276,6153,5977],{"class":5332},[5276,6155,6156],{"class":5282}," },\n",[5276,6158,6159,6161,6163,6166,6168,6170,6172],{"class":5278,"line":5664},[5276,6160,6135],{"class":5282},[5276,6162,6138],{"class":5332},[5276,6164,6165],{"class":5332}," UserService",[5276,6167,5105],{"class":5282},[5276,6169,6151],{"class":5332},[5276,6171,6034],{"class":5332},[5276,6173,6156],{"class":5282},[5276,6175,6176,6178,6180,6183,6185,6187,6189],{"class":5278,"line":5688},[5276,6177,6135],{"class":5282},[5276,6179,6138],{"class":5332},[5276,6181,6182],{"class":5332}," EmailService",[5276,6184,5105],{"class":5282},[5276,6186,6151],{"class":5332},[5276,6188,6056],{"class":5332},[5276,6190,6156],{"class":5282},[5276,6192,6193,6195,6197,6200,6202,6204,6206],{"class":5278,"line":5693},[5276,6194,6135],{"class":5282},[5276,6196,6138],{"class":5332},[5276,6198,6199],{"class":5332}," PaymentGateway",[5276,6201,5105],{"class":5282},[5276,6203,6151],{"class":5332},[5276,6205,6076],{"class":5332},[5276,6207,6156],{"class":5282},[5276,6209,6210],{"class":5278,"line":5699},[5276,6211,6212],{"class":5282},"      ],\n",[5276,6214,6215,6218,6221],{"class":5278,"line":5731},[5276,6216,6217],{"class":5282},"    }).",[5276,6219,6220],{"class":5286},"compile",[5276,6222,6223],{"class":5282},"();\n",[5276,6225,6226],{"class":5278,"line":5736},[5276,6227,5427],{"emptyLinePlaceholder":5426},[5276,6229,6230,6233,6235,6238,6240,6243,6245,6247,6250,6252],{"class":5278,"line":5747},[5276,6231,6232],{"class":5332},"    service",[5276,6234,5489],{"class":5282},[5276,6236,6237],{"class":5304},"module",[5276,6239,5112],{"class":5282},[5276,6241,6242],{"class":5286},"get",[5276,6244,5357],{"class":5282},[5276,6246,5786],{"class":5304},[5276,6248,6249],{"class":5282},">(",[5276,6251,5786],{"class":5332},[5276,6253,5512],{"class":5282},[5276,6255,6256,6259,6261,6263,6265,6267,6269,6272,6274,6276],{"class":5278,"line":5753},[5276,6257,6258],{"class":5332},"    orderRepository",[5276,6260,5489],{"class":5282},[5276,6262,6237],{"class":5304},[5276,6264,5112],{"class":5282},[5276,6266,6242],{"class":5286},[5276,6268,5329],{"class":5282},[5276,6270,6271],{"class":5286},"getRepositoryToken",[5276,6273,5329],{"class":5282},[5276,6275,5333],{"class":5332},[5276,6277,6278],{"class":5282},"));\n",[5276,6280,6282,6285,6287,6289,6291,6293,6295,6297],{"class":5278,"line":6281},31,[5276,6283,6284],{"class":5332},"    userService",[5276,6286,5489],{"class":5282},[5276,6288,6237],{"class":5304},[5276,6290,5112],{"class":5282},[5276,6292,6242],{"class":5286},[5276,6294,5329],{"class":5282},[5276,6296,5377],{"class":5332},[5276,6298,5512],{"class":5282},[5276,6300,6302,6305,6307,6309,6311,6313,6315,6317],{"class":5278,"line":6301},32,[5276,6303,6304],{"class":5332},"    emailService",[5276,6306,5489],{"class":5282},[5276,6308,6237],{"class":5304},[5276,6310,5112],{"class":5282},[5276,6312,6242],{"class":5286},[5276,6314,5329],{"class":5282},[5276,6316,5395],{"class":5332},[5276,6318,5512],{"class":5282},[5276,6320,6322,6325,6327,6329,6331,6333,6335,6337],{"class":5278,"line":6321},33,[5276,6323,6324],{"class":5332},"    paymentGateway",[5276,6326,5489],{"class":5282},[5276,6328,6237],{"class":5304},[5276,6330,5112],{"class":5282},[5276,6332,6242],{"class":5286},[5276,6334,5329],{"class":5282},[5276,6336,5412],{"class":5332},[5276,6338,5512],{"class":5282},[5276,6340,6342],{"class":5278,"line":6341},34,[5276,6343,6344],{"class":5282},"  });\n",[5276,6346,6348],{"class":5278,"line":6347},35,[5276,6349,5427],{"emptyLinePlaceholder":5426},[5276,6351,6353,6356,6358,6361,6363,6365,6367,6369],{"class":5278,"line":6352},36,[5276,6354,6355],{"class":5286},"  it",[5276,6357,5329],{"class":5282},[5276,6359,6360],{"class":5833},"'should create order with correct total'",[5276,6362,5105],{"class":5282},[5276,6364,5958],{"class":5300},[5276,6366,5961],{"class":5282},[5276,6368,5840],{"class":5300},[5276,6370,5308],{"class":5282},[5276,6372,6374],{"class":5278,"line":6373},37,[5276,6375,6376],{"class":5475},"    \u002F\u002F Arrange: налаштовуємо поведінку test doubles\n",[5276,6378,6380,6382,6385,6387,6390,6393,6395,6398,6401,6403,6406,6409],{"class":5278,"line":6379},38,[5276,6381,5482],{"class":5300},[5276,6383,6384],{"class":5485}," mockUser",[5276,6386,6037],{"class":5282},[5276,6388,6389],{"class":5332},"id:",[5276,6391,6392],{"class":5833}," '1'",[5276,6394,5105],{"class":5282},[5276,6396,6397],{"class":5332},"email:",[5276,6399,6400],{"class":5833}," 'user@test.com'",[5276,6402,5105],{"class":5282},[5276,6404,6405],{"class":5332},"paymentMethod:",[5276,6407,6408],{"class":5833}," 'card_123'",[5276,6410,6411],{"class":5282}," };\n",[5276,6413,6415,6417,6420,6422,6424,6427,6429,6432,6435],{"class":5278,"line":6414},39,[5276,6416,5482],{"class":5300},[5276,6418,6419],{"class":5485}," mockPayment",[5276,6421,6037],{"class":5282},[5276,6423,6389],{"class":5332},[5276,6425,6426],{"class":5833}," 'pay_456'",[5276,6428,5105],{"class":5282},[5276,6430,6431],{"class":5332},"status:",[5276,6433,6434],{"class":5833}," 'success'",[5276,6436,6411],{"class":5282},[5276,6438,6440,6442,6445,6447,6449,6452,6454,6457,6459,6461,6464,6468],{"class":5278,"line":6439},40,[5276,6441,5482],{"class":5300},[5276,6443,6444],{"class":5485}," mockOrder",[5276,6446,6037],{"class":5282},[5276,6448,6389],{"class":5332},[5276,6450,6451],{"class":5833}," 'order_789'",[5276,6453,5105],{"class":5282},[5276,6455,6456],{"class":5332},"userId:",[5276,6458,6392],{"class":5833},[5276,6460,5105],{"class":5282},[5276,6462,6463],{"class":5332},"total:",[5276,6465,6467],{"class":6466},"sJj4R"," 100",[5276,6469,6411],{"class":5282},[5276,6471,6473],{"class":5278,"line":6472},41,[5276,6474,5427],{"emptyLinePlaceholder":5426},[5276,6476,6478,6480,6482,6484,6486,6489,6491,6494],{"class":5278,"line":6477},42,[5276,6479,6284],{"class":5332},[5276,6481,5112],{"class":5282},[5276,6483,5505],{"class":5332},[5276,6485,5112],{"class":5282},[5276,6487,6488],{"class":5286},"mockResolvedValue",[5276,6490,5329],{"class":5282},[5276,6492,6493],{"class":5332},"mockUser",[5276,6495,5512],{"class":5282},[5276,6497,6499,6501,6503,6505,6507,6509,6511,6514],{"class":5278,"line":6498},43,[5276,6500,6324],{"class":5332},[5276,6502,5112],{"class":5282},[5276,6504,5583],{"class":5332},[5276,6506,5112],{"class":5282},[5276,6508,6488],{"class":5286},[5276,6510,5329],{"class":5282},[5276,6512,6513],{"class":5332},"mockPayment",[5276,6515,5512],{"class":5282},[5276,6517,6519,6521,6523,6525,6527,6530,6532,6535,6538,6541],{"class":5278,"line":6518},44,[5276,6520,6258],{"class":5332},[5276,6522,5112],{"class":5282},[5276,6524,5633],{"class":5332},[5276,6526,5112],{"class":5282},[5276,6528,6529],{"class":5286},"mockReturnValue",[5276,6531,5329],{"class":5282},[5276,6533,6534],{"class":5332},"mockOrder",[5276,6536,6537],{"class":5296}," as",[5276,6539,6540],{"class":5304}," Order",[5276,6542,5512],{"class":5282},[5276,6544,6546,6548,6550,6552,6554,6556,6558,6560,6562,6564],{"class":5278,"line":6545},45,[5276,6547,6258],{"class":5332},[5276,6549,5112],{"class":5282},[5276,6551,5678],{"class":5332},[5276,6553,5112],{"class":5282},[5276,6555,6488],{"class":5286},[5276,6557,5329],{"class":5282},[5276,6559,6534],{"class":5332},[5276,6561,6537],{"class":5296},[5276,6563,6540],{"class":5304},[5276,6565,5512],{"class":5282},[5276,6567,6569,6571,6573,6575,6577,6579,6581,6584],{"class":5278,"line":6568},46,[5276,6570,6304],{"class":5332},[5276,6572,5112],{"class":5282},[5276,6574,5713],{"class":5332},[5276,6576,5112],{"class":5282},[5276,6578,6488],{"class":5286},[5276,6580,5329],{"class":5282},[5276,6582,6583],{"class":5300},"undefined",[5276,6585,5512],{"class":5282},[5276,6587,6589],{"class":5278,"line":6588},47,[5276,6590,5427],{"emptyLinePlaceholder":5426},[5276,6592,6594],{"class":5278,"line":6593},48,[5276,6595,6596],{"class":5475},"    \u002F\u002F Act: викликаємо тестований метод\n",[5276,6598,6600,6602,6605,6607,6609,6611,6613,6616,6618,6621,6624,6627,6630,6632,6635,6638,6640,6643,6646],{"class":5278,"line":6599},49,[5276,6601,5482],{"class":5300},[5276,6603,6604],{"class":5485}," result",[5276,6606,5489],{"class":5282},[5276,6608,5492],{"class":5296},[5276,6610,5850],{"class":5332},[5276,6612,5112],{"class":5282},[5276,6614,6615],{"class":5286},"createOrder",[5276,6617,5329],{"class":5282},[5276,6619,6620],{"class":5833},"'1'",[5276,6622,6623],{"class":5282},", [{ ",[5276,6625,6626],{"class":5332},"productId:",[5276,6628,6629],{"class":5833}," 'P1'",[5276,6631,5105],{"class":5282},[5276,6633,6634],{"class":5332},"price:",[5276,6636,6637],{"class":6466}," 50",[5276,6639,5105],{"class":5282},[5276,6641,6642],{"class":5332},"quantity:",[5276,6644,6645],{"class":6466}," 2",[5276,6647,6648],{"class":5282}," }]);\n",[5276,6650,6652],{"class":5278,"line":6651},50,[5276,6653,5427],{"emptyLinePlaceholder":5426},[5276,6655,6657],{"class":5278,"line":6656},51,[5276,6658,6659],{"class":5475},"    \u002F\u002F Assert: перевіряємо результат та взаємодію\n",[5276,6661,6663,6666,6668,6671,6673,6675,6678,6681,6683,6686],{"class":5278,"line":6662},52,[5276,6664,6665],{"class":5286},"    expect",[5276,6667,5329],{"class":5282},[5276,6669,6670],{"class":5332},"result",[5276,6672,5112],{"class":5282},[5276,6674,5598],{"class":5332},[5276,6676,6677],{"class":5282},").",[5276,6679,6680],{"class":5286},"toBe",[5276,6682,5329],{"class":5282},[5276,6684,6685],{"class":6466},"100",[5276,6687,5512],{"class":5282},[5276,6689,6691,6693,6695,6697,6699,6701,6703,6706,6708,6711,6713,6715],{"class":5278,"line":6690},53,[5276,6692,6665],{"class":5286},[5276,6694,5329],{"class":5282},[5276,6696,5578],{"class":5332},[5276,6698,5112],{"class":5282},[5276,6700,5583],{"class":5332},[5276,6702,6677],{"class":5282},[5276,6704,6705],{"class":5286},"toHaveBeenCalledWith",[5276,6707,5329],{"class":5282},[5276,6709,6710],{"class":5833},"'card_123'",[5276,6712,5105],{"class":5282},[5276,6714,6685],{"class":6466},[5276,6716,5512],{"class":5282},[5276,6718,6720,6722,6724,6726,6728,6730,6732,6735],{"class":5278,"line":6719},54,[5276,6721,6665],{"class":5286},[5276,6723,5329],{"class":5282},[5276,6725,5628],{"class":5332},[5276,6727,5112],{"class":5282},[5276,6729,5678],{"class":5332},[5276,6731,6677],{"class":5282},[5276,6733,6734],{"class":5286},"toHaveBeenCalled",[5276,6736,6223],{"class":5282},[5276,6738,6740,6742,6744,6746,6748,6750,6752,6754,6756,6759,6761,6763],{"class":5278,"line":6739},55,[5276,6741,6665],{"class":5286},[5276,6743,5329],{"class":5282},[5276,6745,5708],{"class":5332},[5276,6747,5112],{"class":5282},[5276,6749,5713],{"class":5332},[5276,6751,6677],{"class":5282},[5276,6753,6705],{"class":5286},[5276,6755,5329],{"class":5282},[5276,6757,6758],{"class":5833},"'user@test.com'",[5276,6760,5105],{"class":5282},[5276,6762,6534],{"class":5332},[5276,6764,5512],{"class":5282},[5276,6766,6768],{"class":5278,"line":6767},56,[5276,6769,6344],{"class":5282},[5276,6771,6773],{"class":5278,"line":6772},57,[5276,6774,6775],{"class":5282},"});\n",[5167,6777,6778,6779,6782,6783,6785],{},"Цей тест виконується за ",[5130,6780,6781],{},"2-5 мілісекунд"," (замість 5-10 секунд), не залежить від зовнішньої інфраструктури та перевіряє саме логіку ",[5102,6784,5786],{},": чи правильно розраховується total, чи викликається payment gateway з коректними аргументами, чи зберігається замовлення у БД, чи надсилається email-підтвердження.",[6787,6788,6789,6792,6793,6796,6797,6799,6800,6802,6803,6805,6806,6808,6809,6811],"note",{},[5130,6790,6791],{},"Чому це називається Unit тестом?"," Ми тестуємо найменшу можливу «одиницю» (",[5259,6794,6795],{},"unit",") коду — окремий метод ",[5102,6798,5766],{}," класу ",[5102,6801,5786],{}," — у повній ізоляції від його залежностей. Навіть якщо ",[5102,6804,5377],{}," має баг або ",[5102,6807,5412],{}," недоступний, наш тест продовжує працювати та перевіряти логіку ",[5102,6810,5786],{},". Це дозволяє швидко локалізувати проблему: якщо тест падає, баг точно у тестованому методі, а не у якійсь із залежностей.",[5159,6813],{},[5162,6815,6817],{"id":6816},"типи-test-doubles-mocks-stubs-spies","Типи test doubles: mocks, stubs, spies",[5167,6819,6820],{},"У попередньому прикладі ми використали загальний термін «test double» для об'єктів-замінників. Проте існує кілька різновидів test doubles, кожен із яких має своє призначення. Розуміння відмінностей допоможе вибирати правильний інструмент для конкретної ситуації.",[6822,6823,6825],"h3",{"id":6824},"mock-перевірка-взаємодії","Mock — перевірка взаємодії",[5167,6827,6828,6831,6832,6835,6836,6839],{},[5130,6829,6830],{},"Mock object"," — це об'єкт, який імітує поведінку реальної залежності та ",[5130,6833,6834],{},"дозволяє перевірити, чи були викликані його методи з правильними аргументами",". Моки використовуються, коли важлива не лише поведінка тестованого коду, а й ",[5130,6837,6838],{},"як він взаємодіє"," з залежностями.",[5167,6841,6842,6843,6846,6847,6850],{},"Приклад: ви тестуєте метод ",[5102,6844,6845],{},"registerUser()",", який має надіслати welcome email після реєстрації. Навіть якщо email не впливає на повернутий результат, ви хочете переконатися, що ",[5102,6848,6849],{},"emailService.sendWelcomeEmail()"," був викликаний із правильною email-адресою:",[5267,6852,6854],{"className":5269,"code":6853,"language":5271,"meta":5272,"style":5272},"it('should send welcome email after registration', async () => {\n  \u002F\u002F Arrange\n  const mockEmailService = { sendWelcomeEmail: jest.fn() };\n  const service = new UserService(mockEmailService);\n\n  \u002F\u002F Act\n  await service.registerUser('newuser@test.com', 'password123');\n\n  \u002F\u002F Assert: перевіряємо, що метод був викликаний\n  expect(mockEmailService.sendWelcomeEmail).toHaveBeenCalledWith('newuser@test.com');\n  expect(mockEmailService.sendWelcomeEmail).toHaveBeenCalledTimes(1);\n});\n",[5102,6855,6856,6876,6881,6901,6921,6925,6930,6954,6958,6963,6987,7011],{"__ignoreMap":5272},[5276,6857,6858,6861,6863,6866,6868,6870,6872,6874],{"class":5278,"line":5279},[5276,6859,6860],{"class":5286},"it",[5276,6862,5329],{"class":5282},[5276,6864,6865],{"class":5833},"'should send welcome email after registration'",[5276,6867,5105],{"class":5282},[5276,6869,5958],{"class":5300},[5276,6871,5961],{"class":5282},[5276,6873,5840],{"class":5300},[5276,6875,5308],{"class":5282},[5276,6877,6878],{"class":5278,"line":5293},[5276,6879,6880],{"class":5475},"  \u002F\u002F Arrange\n",[5276,6882,6883,6886,6888,6890,6893,6895,6897,6899],{"class":5278,"line":5311},[5276,6884,6885],{"class":5300},"  const",[5276,6887,6056],{"class":5485},[5276,6889,6037],{"class":5282},[5276,6891,6892],{"class":5332},"sendWelcomeEmail:",[5276,6894,5988],{"class":5332},[5276,6896,5112],{"class":5282},[5276,6898,5993],{"class":5286},[5276,6900,6049],{"class":5282},[5276,6902,6903,6905,6907,6909,6912,6914,6916,6919],{"class":5278,"line":5320},[5276,6904,6885],{"class":5300},[5276,6906,5850],{"class":5485},[5276,6908,5489],{"class":5282},[5276,6910,6911],{"class":5300},"new",[5276,6913,6165],{"class":5286},[5276,6915,5329],{"class":5282},[5276,6917,6918],{"class":5332},"mockEmailService",[5276,6920,5512],{"class":5282},[5276,6922,6923],{"class":5278,"line":5339},[5276,6924,5427],{"emptyLinePlaceholder":5426},[5276,6926,6927],{"class":5278,"line":5365},[5276,6928,6929],{"class":5475},"  \u002F\u002F Act\n",[5276,6931,6932,6935,6937,6939,6942,6944,6947,6949,6952],{"class":5278,"line":5383},[5276,6933,6934],{"class":5296},"  await",[5276,6936,5850],{"class":5332},[5276,6938,5112],{"class":5282},[5276,6940,6941],{"class":5286},"registerUser",[5276,6943,5329],{"class":5282},[5276,6945,6946],{"class":5833},"'newuser@test.com'",[5276,6948,5105],{"class":5282},[5276,6950,6951],{"class":5833},"'password123'",[5276,6953,5512],{"class":5282},[5276,6955,6956],{"class":5278,"line":5400},[5276,6957,5427],{"emptyLinePlaceholder":5426},[5276,6959,6960],{"class":5278,"line":5417},[5276,6961,6962],{"class":5475},"  \u002F\u002F Assert: перевіряємо, що метод був викликаний\n",[5276,6964,6965,6968,6970,6972,6974,6977,6979,6981,6983,6985],{"class":5278,"line":5423},[5276,6966,6967],{"class":5286},"  expect",[5276,6969,5329],{"class":5282},[5276,6971,6918],{"class":5332},[5276,6973,5112],{"class":5282},[5276,6975,6976],{"class":5332},"sendWelcomeEmail",[5276,6978,6677],{"class":5282},[5276,6980,6705],{"class":5286},[5276,6982,5329],{"class":5282},[5276,6984,6946],{"class":5833},[5276,6986,5512],{"class":5282},[5276,6988,6989,6991,6993,6995,6997,6999,7001,7004,7006,7009],{"class":5278,"line":5430},[5276,6990,6967],{"class":5286},[5276,6992,5329],{"class":5282},[5276,6994,6918],{"class":5332},[5276,6996,5112],{"class":5282},[5276,6998,6976],{"class":5332},[5276,7000,6677],{"class":5282},[5276,7002,7003],{"class":5286},"toHaveBeenCalledTimes",[5276,7005,5329],{"class":5282},[5276,7007,7008],{"class":6466},"1",[5276,7010,5512],{"class":5282},[5276,7012,7013],{"class":5278,"line":5472},[5276,7014,6775],{"class":5282},[5167,7016,7017,7018,7020,7021,7024,7025,7028,7029,5112],{},"У цьому тесті ми використовуємо ",[5102,7019,5708],{}," як ",[5130,7022,7023],{},"mock",": перевіряємо не те, що він повертає (він нічого не повертає), а те, ",[5130,7026,7027],{},"чи був викликаний"," та ",[5130,7030,7031],{},"з якими параметрами",[6822,7033,7035],{"id":7034},"stub-повернення-заздалегідь-визначених-даних","Stub — повернення заздалегідь визначених даних",[5167,7037,7038,7041,7042,7045],{},[5130,7039,7040],{},"Stub"," — це спрощена реалізація залежності, що повертає заздалегідь визначені дані (",[5259,7043,7044],{},"canned responses",") без виконання реальної логіки. Стаби використовуються, коли потрібно просто надати тестованому коду необхідні дані, без перевірки взаємодії.",[5167,7047,7048,7049,7052,7053,7056,7057,7060],{},"Приклад: метод ",[5102,7050,7051],{},"calculateDiscount()"," отримує користувача від ",[5102,7054,7055],{},"userService.findById()"," та застосовує знижку залежно від кількості замовлень. Нам не важливо, чи викликався ",[5102,7058,7059],{},"findById()"," — важливо лише, щоб він повернув користувача з певною кількістю замовлень:",[5267,7062,7064],{"className":5269,"code":7063,"language":5271,"meta":5272,"style":5272},"it('should apply 15% discount for users with 5+ orders', async () => {\n  \u002F\u002F Arrange: створюємо stub\n  const stubUserService = {\n    findById: jest.fn().mockResolvedValue({ id: '1', orderCount: 7 }),\n  };\n  const service = new OrderService(stubUserService);\n\n  \u002F\u002F Act\n  const discount = await service.calculateDiscount('1', 100);\n\n  \u002F\u002F Assert: перевіряємо результат, а не виклики\n  expect(discount).toBe(15); \u002F\u002F 15% від $100\n  \u002F\u002F НЕ перевіряємо toHaveBeenCalledWith — це stub, не mock\n});\n",[5102,7065,7066,7085,7090,7099,7132,7137,7156,7160,7164,7192,7196,7201,7225,7230],{"__ignoreMap":5272},[5276,7067,7068,7070,7072,7075,7077,7079,7081,7083],{"class":5278,"line":5279},[5276,7069,6860],{"class":5286},[5276,7071,5329],{"class":5282},[5276,7073,7074],{"class":5833},"'should apply 15% discount for users with 5+ orders'",[5276,7076,5105],{"class":5282},[5276,7078,5958],{"class":5300},[5276,7080,5961],{"class":5282},[5276,7082,5840],{"class":5300},[5276,7084,5308],{"class":5282},[5276,7086,7087],{"class":5278,"line":5293},[5276,7088,7089],{"class":5475},"  \u002F\u002F Arrange: створюємо stub\n",[5276,7091,7092,7094,7097],{"class":5278,"line":5311},[5276,7093,6885],{"class":5300},[5276,7095,7096],{"class":5485}," stubUserService",[5276,7098,5980],{"class":5282},[5276,7100,7101,7104,7106,7108,7110,7113,7115,7117,7119,7121,7123,7126,7129],{"class":5278,"line":5320},[5276,7102,7103],{"class":5332},"    findById:",[5276,7105,5988],{"class":5332},[5276,7107,5112],{"class":5282},[5276,7109,5993],{"class":5286},[5276,7111,7112],{"class":5282},"().",[5276,7114,6488],{"class":5286},[5276,7116,5636],{"class":5282},[5276,7118,6389],{"class":5332},[5276,7120,6392],{"class":5833},[5276,7122,5105],{"class":5282},[5276,7124,7125],{"class":5332},"orderCount:",[5276,7127,7128],{"class":6466}," 7",[5276,7130,7131],{"class":5282}," }),\n",[5276,7133,7134],{"class":5278,"line":5339},[5276,7135,7136],{"class":5282},"  };\n",[5276,7138,7139,7141,7143,7145,7147,7149,7151,7154],{"class":5278,"line":5365},[5276,7140,6885],{"class":5300},[5276,7142,5850],{"class":5485},[5276,7144,5489],{"class":5282},[5276,7146,6911],{"class":5300},[5276,7148,5305],{"class":5286},[5276,7150,5329],{"class":5282},[5276,7152,7153],{"class":5332},"stubUserService",[5276,7155,5512],{"class":5282},[5276,7157,7158],{"class":5278,"line":5383},[5276,7159,5427],{"emptyLinePlaceholder":5426},[5276,7161,7162],{"class":5278,"line":5400},[5276,7163,6929],{"class":5475},[5276,7165,7166,7168,7171,7173,7175,7177,7179,7182,7184,7186,7188,7190],{"class":5278,"line":5417},[5276,7167,6885],{"class":5300},[5276,7169,7170],{"class":5485}," discount",[5276,7172,5489],{"class":5282},[5276,7174,5492],{"class":5296},[5276,7176,5850],{"class":5332},[5276,7178,5112],{"class":5282},[5276,7180,7181],{"class":5286},"calculateDiscount",[5276,7183,5329],{"class":5282},[5276,7185,6620],{"class":5833},[5276,7187,5105],{"class":5282},[5276,7189,6685],{"class":6466},[5276,7191,5512],{"class":5282},[5276,7193,7194],{"class":5278,"line":5423},[5276,7195,5427],{"emptyLinePlaceholder":5426},[5276,7197,7198],{"class":5278,"line":5430},[5276,7199,7200],{"class":5475},"  \u002F\u002F Assert: перевіряємо результат, а не виклики\n",[5276,7202,7203,7205,7207,7210,7212,7214,7216,7219,7222],{"class":5278,"line":5472},[5276,7204,6967],{"class":5286},[5276,7206,5329],{"class":5282},[5276,7208,7209],{"class":5332},"discount",[5276,7211,6677],{"class":5282},[5276,7213,6680],{"class":5286},[5276,7215,5329],{"class":5282},[5276,7217,7218],{"class":6466},"15",[5276,7220,7221],{"class":5282},"); ",[5276,7223,7224],{"class":5475},"\u002F\u002F 15% від $100\n",[5276,7226,7227],{"class":5278,"line":5479},[5276,7228,7229],{"class":5475},"  \u002F\u002F НЕ перевіряємо toHaveBeenCalledWith — це stub, не mock\n",[5276,7231,7232],{"class":5278,"line":5515},[5276,7233,6775],{"class":5282},[5167,7235,7236,7237,7239,7240,7243,7244,7247,7248,7250],{},"У цьому тесті ",[5102,7238,5500],{}," працює як ",[5130,7241,7242],{},"stub",": він надає заздалегідь визначені дані (користувача із ",[5102,7245,7246],{},"orderCount: 7","), і нас не цікавить, скільки разів був викликаний ",[5102,7249,7059],{}," або з якими аргументами.",[7252,7253,7254,7257,7258,5105,7260,7262,7263,7265,7266,7268,7269,7272,7273,7275],"tip",{},[5130,7255,7256],{},"Практичне правило:"," якщо у тесті є assertions на виклики методів (",[5102,7259,6734],{},[5102,7261,6705],{},"), ви використовуєте ",[5130,7264,7023],{},". Якщо є лише assertions на результат тестованого методу — ви використовуєте ",[5130,7267,7242],{},". У реальності більшість test doubles поєднують обидві ролі: вони повертають дані (stub) ",[5130,7270,7271],{},"і"," дозволяють перевіряти виклики (mock). Jest не розрізняє ці поняття термінологічно — ",[5102,7274,5104],{}," створює універсальний test double.",[6822,7277,7279],{"id":7278},"spy-відстеження-викликів-реального-методу","Spy — відстеження викликів реального методу",[5167,7281,7282,7285],{},[5130,7283,7284],{},"Spy"," — це обгортка навколо реального методу, що дозволяє відстежувати виклики, зберігаючи оригінальну поведінку. Використовується, коли потрібно перевірити, чи викликається метод, але без заміни його реалізації.",[5267,7287,7289],{"className":5269,"code":7288,"language":5271,"meta":5272,"style":5272},"it('should call internal validation method', async () => {\n  const service = new UserService();\n  \n  \u002F\u002F Створюємо spy на приватний метод (для демонстрації)\n  const validateSpy = jest.spyOn(service as any, 'validatePassword');\n\n  \u002F\u002F Act\n  await service.registerUser('user@test.com', 'password123');\n\n  \u002F\u002F Assert: метод був викликаний, але виконалася реальна логіка\n  expect(validateSpy).toHaveBeenCalledWith('password123');\n  \n  \u002F\u002F Очищуємо spy після тесту\n  validateSpy.mockRestore();\n});\n",[5102,7290,7291,7310,7324,7329,7334,7367,7371,7375,7395,7399,7404,7423,7427,7432,7444],{"__ignoreMap":5272},[5276,7292,7293,7295,7297,7300,7302,7304,7306,7308],{"class":5278,"line":5279},[5276,7294,6860],{"class":5286},[5276,7296,5329],{"class":5282},[5276,7298,7299],{"class":5833},"'should call internal validation method'",[5276,7301,5105],{"class":5282},[5276,7303,5958],{"class":5300},[5276,7305,5961],{"class":5282},[5276,7307,5840],{"class":5300},[5276,7309,5308],{"class":5282},[5276,7311,7312,7314,7316,7318,7320,7322],{"class":5278,"line":5293},[5276,7313,6885],{"class":5300},[5276,7315,5850],{"class":5485},[5276,7317,5489],{"class":5282},[5276,7319,6911],{"class":5300},[5276,7321,6165],{"class":5286},[5276,7323,6223],{"class":5282},[5276,7325,7326],{"class":5278,"line":5311},[5276,7327,7328],{"class":5282},"  \n",[5276,7330,7331],{"class":5278,"line":5320},[5276,7332,7333],{"class":5475},"  \u002F\u002F Створюємо spy на приватний метод (для демонстрації)\n",[5276,7335,7336,7338,7341,7343,7345,7347,7350,7352,7355,7357,7360,7362,7365],{"class":5278,"line":5339},[5276,7337,6885],{"class":5300},[5276,7339,7340],{"class":5485}," validateSpy",[5276,7342,5489],{"class":5282},[5276,7344,5867],{"class":5332},[5276,7346,5112],{"class":5282},[5276,7348,7349],{"class":5286},"spyOn",[5276,7351,5329],{"class":5282},[5276,7353,7354],{"class":5332},"service",[5276,7356,6537],{"class":5296},[5276,7358,7359],{"class":5304}," any",[5276,7361,5105],{"class":5282},[5276,7363,7364],{"class":5833},"'validatePassword'",[5276,7366,5512],{"class":5282},[5276,7368,7369],{"class":5278,"line":5365},[5276,7370,5427],{"emptyLinePlaceholder":5426},[5276,7372,7373],{"class":5278,"line":5383},[5276,7374,6929],{"class":5475},[5276,7376,7377,7379,7381,7383,7385,7387,7389,7391,7393],{"class":5278,"line":5400},[5276,7378,6934],{"class":5296},[5276,7380,5850],{"class":5332},[5276,7382,5112],{"class":5282},[5276,7384,6941],{"class":5286},[5276,7386,5329],{"class":5282},[5276,7388,6758],{"class":5833},[5276,7390,5105],{"class":5282},[5276,7392,6951],{"class":5833},[5276,7394,5512],{"class":5282},[5276,7396,7397],{"class":5278,"line":5417},[5276,7398,5427],{"emptyLinePlaceholder":5426},[5276,7400,7401],{"class":5278,"line":5423},[5276,7402,7403],{"class":5475},"  \u002F\u002F Assert: метод був викликаний, але виконалася реальна логіка\n",[5276,7405,7406,7408,7410,7413,7415,7417,7419,7421],{"class":5278,"line":5430},[5276,7407,6967],{"class":5286},[5276,7409,5329],{"class":5282},[5276,7411,7412],{"class":5332},"validateSpy",[5276,7414,6677],{"class":5282},[5276,7416,6705],{"class":5286},[5276,7418,5329],{"class":5282},[5276,7420,6951],{"class":5833},[5276,7422,5512],{"class":5282},[5276,7424,7425],{"class":5278,"line":5472},[5276,7426,7328],{"class":5282},[5276,7428,7429],{"class":5278,"line":5479},[5276,7430,7431],{"class":5475},"  \u002F\u002F Очищуємо spy після тесту\n",[5276,7433,7434,7437,7439,7442],{"class":5278,"line":5515},[5276,7435,7436],{"class":5332},"  validateSpy",[5276,7438,5112],{"class":5282},[5276,7440,7441],{"class":5286},"mockRestore",[5276,7443,6223],{"class":5282},[5276,7445,7446],{"class":5278,"line":5521},[5276,7447,6775],{"class":5282},[5167,7449,7450,7453,7454,7456,7457,7460,7461,7463],{},[5130,7451,7452],{},"Важлива відмінність:"," при використанні ",[5102,7455,5108],{}," оригінальний метод ",[5130,7458,7459],{},"виконується",", на відміну від ",[5102,7462,5104],{},", де метод повністю замінюється заглушкою. Spy корисні для перевірки внутрішньої логіки класу без втрати реальної поведінки.",[7465,7466,7467],"warning",{},"Уникайте тестування приватних методів через spy — це порушує інкапсуляцію та робить тести крихкими. Якщо приватний метод містить складну логіку, яку важко покрити через публічний API, це сигнал до рефакторингу: можливо, цей метод варто винести у окрему утиліту або сервіс та протестувати окремо.",[6822,7469,7471],{"id":7470},"fake-робоча-реалізація-з-обмеженнями","Fake — робоча реалізація з обмеженнями",[5167,7473,7474,7477,7478,7481],{},[5130,7475,7476],{},"Fake"," — це спрощена, але ",[5130,7479,7480],{},"робоча"," реалізація залежності. На відміну від stub, який просто повертає захардкоджені дані, fake містить реальну логіку, але простішу за production версію.",[5167,7483,7484,7485,7488],{},"Приклад: замість реального PostgreSQL ви використовуєте in-memory SQLite для Integration тестів — це fake database. Або замість справжнього SMTP сервера використовуєте ",[5102,7486,7487],{},"nodemailer-mock",", що зберігає відправлені email у масиві в пам'яті — це fake email service.",[5267,7490,7492],{"className":5269,"code":7491,"language":5271,"meta":5272,"style":5272},"\u002F\u002F Fake implementation для email service\nclass FakeEmailService {\n  private sentEmails: Array\u003C{ to: string; subject: string; body: string }> = [];\n\n  async send(to: string, subject: string, body: string): Promise\u003Cvoid> {\n    this.sentEmails.push({ to, subject, body });\n  }\n\n  getSentEmails() {\n    return this.sentEmails;\n  }\n\n  clear() {\n    this.sentEmails = [];\n  }\n}\n\nit('should send two emails for order confirmation', async () => {\n  const fakeEmailService = new FakeEmailService();\n  const service = new OrderService(fakeEmailService);\n\n  await service.createOrder('user123', items);\n\n  \u002F\u002F Перевіряємо через fake\n  expect(fakeEmailService.getSentEmails()).toHaveLength(2);\n  expect(fakeEmailService.getSentEmails()[0].to).toBe('user@test.com');\n});\n",[5102,7493,7494,7499,7509,7554,7558,7601,7630,7634,7638,7646,7658,7662,7666,7673,7684,7688,7692,7696,7715,7730,7749,7753,7774,7778,7783,7809,7842],{"__ignoreMap":5272},[5276,7495,7496],{"class":5278,"line":5279},[5276,7497,7498],{"class":5475},"\u002F\u002F Fake implementation для email service\n",[5276,7500,7501,7504,7507],{"class":5278,"line":5293},[5276,7502,7503],{"class":5300},"class",[5276,7505,7506],{"class":5304}," FakeEmailService",[5276,7508,5308],{"class":5282},[5276,7510,7511,7514,7517,7519,7522,7525,7528,7530,7532,7535,7538,7540,7542,7544,7547,7549,7551],{"class":5278,"line":5311},[5276,7512,7513],{"class":5300},"  private",[5276,7515,7516],{"class":5332}," sentEmails",[5276,7518,5351],{"class":5282},[5276,7520,7521],{"class":5304},"Array",[5276,7523,7524],{"class":5282},"\u003C{ ",[5276,7526,7527],{"class":5332},"to",[5276,7529,5351],{"class":5282},[5276,7531,5446],{"class":5304},[5276,7533,7534],{"class":5282},"; ",[5276,7536,7537],{"class":5332},"subject",[5276,7539,5351],{"class":5282},[5276,7541,5446],{"class":5304},[5276,7543,7534],{"class":5282},[5276,7545,7546],{"class":5332},"body",[5276,7548,5351],{"class":5282},[5276,7550,5446],{"class":5304},[5276,7552,7553],{"class":5282}," }> = [];\n",[5276,7555,7556],{"class":5278,"line":5320},[5276,7557,5427],{"emptyLinePlaceholder":5426},[5276,7559,7560,7562,7565,7567,7569,7571,7573,7575,7577,7579,7581,7583,7585,7587,7589,7592,7594,7596,7599],{"class":5278,"line":5339},[5276,7561,5433],{"class":5300},[5276,7563,7564],{"class":5286}," send",[5276,7566,5329],{"class":5282},[5276,7568,7527],{"class":5332},[5276,7570,5351],{"class":5282},[5276,7572,5446],{"class":5304},[5276,7574,5105],{"class":5282},[5276,7576,7537],{"class":5332},[5276,7578,5351],{"class":5282},[5276,7580,5446],{"class":5304},[5276,7582,5105],{"class":5282},[5276,7584,7546],{"class":5332},[5276,7586,5351],{"class":5282},[5276,7588,5446],{"class":5304},[5276,7590,7591],{"class":5282},"): ",[5276,7593,5462],{"class":5304},[5276,7595,5357],{"class":5282},[5276,7597,7598],{"class":5304},"void",[5276,7600,5469],{"class":5282},[5276,7602,7603,7606,7608,7611,7613,7616,7618,7620,7622,7624,7626,7628],{"class":5278,"line":5365},[5276,7604,7605],{"class":5300},"    this",[5276,7607,5112],{"class":5282},[5276,7609,7610],{"class":5332},"sentEmails",[5276,7612,5112],{"class":5282},[5276,7614,7615],{"class":5286},"push",[5276,7617,5636],{"class":5282},[5276,7619,7527],{"class":5332},[5276,7621,5105],{"class":5282},[5276,7623,7537],{"class":5332},[5276,7625,5105],{"class":5282},[5276,7627,7546],{"class":5332},[5276,7629,5661],{"class":5282},[5276,7631,7632],{"class":5278,"line":5383},[5276,7633,5750],{"class":5282},[5276,7635,7636],{"class":5278,"line":5400},[5276,7637,5427],{"emptyLinePlaceholder":5426},[5276,7639,7640,7643],{"class":5278,"line":5417},[5276,7641,7642],{"class":5286},"  getSentEmails",[5276,7644,7645],{"class":5282},"() {\n",[5276,7647,7648,7650,7652,7654,7656],{"class":5278,"line":5423},[5276,7649,5739],{"class":5296},[5276,7651,5495],{"class":5300},[5276,7653,5112],{"class":5282},[5276,7655,7610],{"class":5332},[5276,7657,5744],{"class":5282},[5276,7659,7660],{"class":5278,"line":5430},[5276,7661,5750],{"class":5282},[5276,7663,7664],{"class":5278,"line":5472},[5276,7665,5427],{"emptyLinePlaceholder":5426},[5276,7667,7668,7671],{"class":5278,"line":5479},[5276,7669,7670],{"class":5286},"  clear",[5276,7672,7645],{"class":5282},[5276,7674,7675,7677,7679,7681],{"class":5278,"line":5515},[5276,7676,7605],{"class":5300},[5276,7678,5112],{"class":5282},[5276,7680,7610],{"class":5332},[5276,7682,7683],{"class":5282}," = [];\n",[5276,7685,7686],{"class":5278,"line":5521},[5276,7687,5750],{"class":5282},[5276,7689,7690],{"class":5278,"line":5527},[5276,7691,5756],{"class":5282},[5276,7693,7694],{"class":5278,"line":5551},[5276,7695,5427],{"emptyLinePlaceholder":5426},[5276,7697,7698,7700,7702,7705,7707,7709,7711,7713],{"class":5278,"line":5556},[5276,7699,6860],{"class":5286},[5276,7701,5329],{"class":5282},[5276,7703,7704],{"class":5833},"'should send two emails for order confirmation'",[5276,7706,5105],{"class":5282},[5276,7708,5958],{"class":5300},[5276,7710,5961],{"class":5282},[5276,7712,5840],{"class":5300},[5276,7714,5308],{"class":5282},[5276,7716,7717,7719,7722,7724,7726,7728],{"class":5278,"line":5562},[5276,7718,6885],{"class":5300},[5276,7720,7721],{"class":5485}," fakeEmailService",[5276,7723,5489],{"class":5282},[5276,7725,6911],{"class":5300},[5276,7727,7506],{"class":5286},[5276,7729,6223],{"class":5282},[5276,7731,7732,7734,7736,7738,7740,7742,7744,7747],{"class":5278,"line":5603},[5276,7733,6885],{"class":5300},[5276,7735,5850],{"class":5485},[5276,7737,5489],{"class":5282},[5276,7739,6911],{"class":5300},[5276,7741,5305],{"class":5286},[5276,7743,5329],{"class":5282},[5276,7745,7746],{"class":5332},"fakeEmailService",[5276,7748,5512],{"class":5282},[5276,7750,7751],{"class":5278,"line":5608},[5276,7752,5427],{"emptyLinePlaceholder":5426},[5276,7754,7755,7757,7759,7761,7763,7765,7768,7770,7772],{"class":5278,"line":5614},[5276,7756,6934],{"class":5296},[5276,7758,5850],{"class":5332},[5276,7760,5112],{"class":5282},[5276,7762,6615],{"class":5286},[5276,7764,5329],{"class":5282},[5276,7766,7767],{"class":5833},"'user123'",[5276,7769,5105],{"class":5282},[5276,7771,5451],{"class":5332},[5276,7773,5512],{"class":5282},[5276,7775,7776],{"class":5278,"line":5664},[5276,7777,5427],{"emptyLinePlaceholder":5426},[5276,7779,7780],{"class":5278,"line":5688},[5276,7781,7782],{"class":5475},"  \u002F\u002F Перевіряємо через fake\n",[5276,7784,7785,7787,7789,7791,7793,7796,7799,7802,7804,7807],{"class":5278,"line":5693},[5276,7786,6967],{"class":5286},[5276,7788,5329],{"class":5282},[5276,7790,7746],{"class":5332},[5276,7792,5112],{"class":5282},[5276,7794,7795],{"class":5286},"getSentEmails",[5276,7797,7798],{"class":5282},"()).",[5276,7800,7801],{"class":5286},"toHaveLength",[5276,7803,5329],{"class":5282},[5276,7805,7806],{"class":6466},"2",[5276,7808,5512],{"class":5282},[5276,7810,7811,7813,7815,7817,7819,7821,7824,7827,7830,7832,7834,7836,7838,7840],{"class":5278,"line":5699},[5276,7812,6967],{"class":5286},[5276,7814,5329],{"class":5282},[5276,7816,7746],{"class":5332},[5276,7818,5112],{"class":5282},[5276,7820,7795],{"class":5286},[5276,7822,7823],{"class":5282},"()[",[5276,7825,7826],{"class":6466},"0",[5276,7828,7829],{"class":5282},"].",[5276,7831,7527],{"class":5332},[5276,7833,6677],{"class":5282},[5276,7835,6680],{"class":5286},[5276,7837,5329],{"class":5282},[5276,7839,6758],{"class":5833},[5276,7841,5512],{"class":5282},[5276,7843,7844],{"class":5278,"line":5731},[5276,7845,6775],{"class":5282},[5167,7847,7848],{},"Fakes частіше використовуються в Integration тестах, ніж у Unit тестах, оскільки вони все ще виконують певну логіку, що сповільнює тести порівняно з простими stubs.",[5159,7850],{},[5162,7852,7854],{"id":7853},"створення-mock-обєктів-через-jestfn","Створення mock об'єктів через jest.fn()",[5167,7856,7857],{},"Тепер, коли ми розуміємо різні типи test doubles, розглянемо детально, як створювати їх за допомогою Jest API.",[6822,7859,7861],{"id":7860},"jestfn-базова-mock-функція","jest.fn() — базова mock функція",[5167,7863,7864,7868],{},[5130,7865,7866],{},[5102,7867,5104],{}," створює mock функцію — спеціальний об'єкт, що:",[7870,7871,7872,7875,7880,7890],"ol",{},[5095,7873,7874],{},"Може бути викликаний як звичайна функція.",[5095,7876,7877,7878,6677],{},"Запам'ятовує всі виклики: аргументи, результати, контекст (",[5102,7879,5537],{},[5095,7881,7882,7883,7886,7887,5112],{},"Дозволяє налаштувати повернуте значення через ",[5102,7884,7885],{},".mockReturnValue()"," або ",[5102,7888,7889],{},".mockResolvedValue()",[5095,7891,7892,7893,5105,7895,5112],{},"Надає методи для перевірки викликів: ",[5102,7894,5228],{},[5102,7896,5231],{},[5267,7898,7900],{"className":5269,"code":7899,"language":5271,"meta":5272,"style":5272},"\u002F\u002F Створення простої mock функції\nconst mockFunction = jest.fn();\n\n\u002F\u002F Виклик функції\nmockFunction('hello', 42);\nmockFunction('world', 100);\n\n\u002F\u002F Перевірка викликів\nexpect(mockFunction).toHaveBeenCalledTimes(2);\nexpect(mockFunction).toHaveBeenCalledWith('hello', 42);\nexpect(mockFunction).toHaveBeenLastCalledWith('world', 100);\n\n\u002F\u002F Отримання всіх викликів\nconsole.log(mockFunction.mock.calls);\n\u002F\u002F [['hello', 42], ['world', 100]]\n",[5102,7901,7902,7907,7925,7929,7934,7951,7966,7970,7975,7994,8016,8039,8043,8048,8073],{"__ignoreMap":5272},[5276,7903,7904],{"class":5278,"line":5279},[5276,7905,7906],{"class":5475},"\u002F\u002F Створення простої mock функції\n",[5276,7908,7909,7912,7915,7917,7919,7921,7923],{"class":5278,"line":5293},[5276,7910,7911],{"class":5300},"const",[5276,7913,7914],{"class":5485}," mockFunction",[5276,7916,5489],{"class":5282},[5276,7918,5867],{"class":5332},[5276,7920,5112],{"class":5282},[5276,7922,5993],{"class":5286},[5276,7924,6223],{"class":5282},[5276,7926,7927],{"class":5278,"line":5311},[5276,7928,5427],{"emptyLinePlaceholder":5426},[5276,7930,7931],{"class":5278,"line":5320},[5276,7932,7933],{"class":5475},"\u002F\u002F Виклик функції\n",[5276,7935,7936,7939,7941,7944,7946,7949],{"class":5278,"line":5339},[5276,7937,7938],{"class":5286},"mockFunction",[5276,7940,5329],{"class":5282},[5276,7942,7943],{"class":5833},"'hello'",[5276,7945,5105],{"class":5282},[5276,7947,7948],{"class":6466},"42",[5276,7950,5512],{"class":5282},[5276,7952,7953,7955,7957,7960,7962,7964],{"class":5278,"line":5365},[5276,7954,7938],{"class":5286},[5276,7956,5329],{"class":5282},[5276,7958,7959],{"class":5833},"'world'",[5276,7961,5105],{"class":5282},[5276,7963,6685],{"class":6466},[5276,7965,5512],{"class":5282},[5276,7967,7968],{"class":5278,"line":5383},[5276,7969,5427],{"emptyLinePlaceholder":5426},[5276,7971,7972],{"class":5278,"line":5400},[5276,7973,7974],{"class":5475},"\u002F\u002F Перевірка викликів\n",[5276,7976,7977,7980,7982,7984,7986,7988,7990,7992],{"class":5278,"line":5417},[5276,7978,7979],{"class":5286},"expect",[5276,7981,5329],{"class":5282},[5276,7983,7938],{"class":5332},[5276,7985,6677],{"class":5282},[5276,7987,7003],{"class":5286},[5276,7989,5329],{"class":5282},[5276,7991,7806],{"class":6466},[5276,7993,5512],{"class":5282},[5276,7995,7996,7998,8000,8002,8004,8006,8008,8010,8012,8014],{"class":5278,"line":5423},[5276,7997,7979],{"class":5286},[5276,7999,5329],{"class":5282},[5276,8001,7938],{"class":5332},[5276,8003,6677],{"class":5282},[5276,8005,6705],{"class":5286},[5276,8007,5329],{"class":5282},[5276,8009,7943],{"class":5833},[5276,8011,5105],{"class":5282},[5276,8013,7948],{"class":6466},[5276,8015,5512],{"class":5282},[5276,8017,8018,8020,8022,8024,8026,8029,8031,8033,8035,8037],{"class":5278,"line":5430},[5276,8019,7979],{"class":5286},[5276,8021,5329],{"class":5282},[5276,8023,7938],{"class":5332},[5276,8025,6677],{"class":5282},[5276,8027,8028],{"class":5286},"toHaveBeenLastCalledWith",[5276,8030,5329],{"class":5282},[5276,8032,7959],{"class":5833},[5276,8034,5105],{"class":5282},[5276,8036,6685],{"class":6466},[5276,8038,5512],{"class":5282},[5276,8040,8041],{"class":5278,"line":5472},[5276,8042,5427],{"emptyLinePlaceholder":5426},[5276,8044,8045],{"class":5278,"line":5479},[5276,8046,8047],{"class":5475},"\u002F\u002F Отримання всіх викликів\n",[5276,8049,8050,8053,8055,8058,8060,8062,8064,8066,8068,8071],{"class":5278,"line":5515},[5276,8051,8052],{"class":5332},"console",[5276,8054,5112],{"class":5282},[5276,8056,8057],{"class":5286},"log",[5276,8059,5329],{"class":5282},[5276,8061,7938],{"class":5332},[5276,8063,5112],{"class":5282},[5276,8065,7023],{"class":5332},[5276,8067,5112],{"class":5282},[5276,8069,8070],{"class":5332},"calls",[5276,8072,5512],{"class":5282},[5276,8074,8075],{"class":5278,"line":5521},[5276,8076,8077],{"class":5475},"\u002F\u002F [['hello', 42], ['world', 100]]\n",[6822,8079,8081],{"id":8080},"налаштування-return-values","Налаштування return values",[5167,8083,8084,8085,8087,8088,8090],{},"За замовчуванням ",[5102,8086,5104],{}," повертає ",[5102,8089,6583],{},". Щоб налаштувати повернуте значення:",[5167,8092,8093,8098],{},[5130,8094,8095],{},[5102,8096,8097],{},"mockReturnValue(value)"," — для синхронних функцій:",[5267,8100,8102],{"className":5269,"code":8101,"language":5271,"meta":5272,"style":5272},"const mockGetName = jest.fn().mockReturnValue('John Doe');\n\nconsole.log(mockGetName()); \u002F\u002F 'John Doe'\nconsole.log(mockGetName()); \u002F\u002F 'John Doe' (той самий результат)\n",[5102,8103,8104,8130,8134,8153],{"__ignoreMap":5272},[5276,8105,8106,8108,8111,8113,8115,8117,8119,8121,8123,8125,8128],{"class":5278,"line":5279},[5276,8107,7911],{"class":5300},[5276,8109,8110],{"class":5485}," mockGetName",[5276,8112,5489],{"class":5282},[5276,8114,5867],{"class":5332},[5276,8116,5112],{"class":5282},[5276,8118,5993],{"class":5286},[5276,8120,7112],{"class":5282},[5276,8122,6529],{"class":5286},[5276,8124,5329],{"class":5282},[5276,8126,8127],{"class":5833},"'John Doe'",[5276,8129,5512],{"class":5282},[5276,8131,8132],{"class":5278,"line":5293},[5276,8133,5427],{"emptyLinePlaceholder":5426},[5276,8135,8136,8138,8140,8142,8144,8147,8150],{"class":5278,"line":5311},[5276,8137,8052],{"class":5332},[5276,8139,5112],{"class":5282},[5276,8141,8057],{"class":5286},[5276,8143,5329],{"class":5282},[5276,8145,8146],{"class":5286},"mockGetName",[5276,8148,8149],{"class":5282},"()); ",[5276,8151,8152],{"class":5475},"\u002F\u002F 'John Doe'\n",[5276,8154,8155,8157,8159,8161,8163,8165,8167],{"class":5278,"line":5320},[5276,8156,8052],{"class":5332},[5276,8158,5112],{"class":5282},[5276,8160,8057],{"class":5286},[5276,8162,5329],{"class":5282},[5276,8164,8146],{"class":5286},[5276,8166,8149],{"class":5282},[5276,8168,8169],{"class":5475},"\u002F\u002F 'John Doe' (той самий результат)\n",[5167,8171,8172,8177],{},[5130,8173,8174],{},[5102,8175,8176],{},"mockReturnValueOnce(value)"," — різні значення для послідовних викликів:",[5267,8179,8181],{"className":5269,"code":8180,"language":5271,"meta":5272,"style":5272},"const mockGetId = jest.fn()\n  .mockReturnValueOnce('id-1')\n  .mockReturnValueOnce('id-2')\n  .mockReturnValue('default-id');\n\nconsole.log(mockGetId()); \u002F\u002F 'id-1'\nconsole.log(mockGetId()); \u002F\u002F 'id-2'\nconsole.log(mockGetId()); \u002F\u002F 'default-id'\nconsole.log(mockGetId()); \u002F\u002F 'default-id'\n",[5102,8182,8183,8200,8215,8228,8241,8245,8263,8280,8297],{"__ignoreMap":5272},[5276,8184,8185,8187,8190,8192,8194,8196,8198],{"class":5278,"line":5279},[5276,8186,7911],{"class":5300},[5276,8188,8189],{"class":5485}," mockGetId",[5276,8191,5489],{"class":5282},[5276,8193,5867],{"class":5332},[5276,8195,5112],{"class":5282},[5276,8197,5993],{"class":5286},[5276,8199,5290],{"class":5282},[5276,8201,8202,8205,8208,8210,8213],{"class":5278,"line":5293},[5276,8203,8204],{"class":5282},"  .",[5276,8206,8207],{"class":5286},"mockReturnValueOnce",[5276,8209,5329],{"class":5282},[5276,8211,8212],{"class":5833},"'id-1'",[5276,8214,5336],{"class":5282},[5276,8216,8217,8219,8221,8223,8226],{"class":5278,"line":5311},[5276,8218,8204],{"class":5282},[5276,8220,8207],{"class":5286},[5276,8222,5329],{"class":5282},[5276,8224,8225],{"class":5833},"'id-2'",[5276,8227,5336],{"class":5282},[5276,8229,8230,8232,8234,8236,8239],{"class":5278,"line":5320},[5276,8231,8204],{"class":5282},[5276,8233,6529],{"class":5286},[5276,8235,5329],{"class":5282},[5276,8237,8238],{"class":5833},"'default-id'",[5276,8240,5512],{"class":5282},[5276,8242,8243],{"class":5278,"line":5339},[5276,8244,5427],{"emptyLinePlaceholder":5426},[5276,8246,8247,8249,8251,8253,8255,8258,8260],{"class":5278,"line":5365},[5276,8248,8052],{"class":5332},[5276,8250,5112],{"class":5282},[5276,8252,8057],{"class":5286},[5276,8254,5329],{"class":5282},[5276,8256,8257],{"class":5286},"mockGetId",[5276,8259,8149],{"class":5282},[5276,8261,8262],{"class":5475},"\u002F\u002F 'id-1'\n",[5276,8264,8265,8267,8269,8271,8273,8275,8277],{"class":5278,"line":5383},[5276,8266,8052],{"class":5332},[5276,8268,5112],{"class":5282},[5276,8270,8057],{"class":5286},[5276,8272,5329],{"class":5282},[5276,8274,8257],{"class":5286},[5276,8276,8149],{"class":5282},[5276,8278,8279],{"class":5475},"\u002F\u002F 'id-2'\n",[5276,8281,8282,8284,8286,8288,8290,8292,8294],{"class":5278,"line":5400},[5276,8283,8052],{"class":5332},[5276,8285,5112],{"class":5282},[5276,8287,8057],{"class":5286},[5276,8289,5329],{"class":5282},[5276,8291,8257],{"class":5286},[5276,8293,8149],{"class":5282},[5276,8295,8296],{"class":5475},"\u002F\u002F 'default-id'\n",[5276,8298,8299,8301,8303,8305,8307,8309,8311],{"class":5278,"line":5417},[5276,8300,8052],{"class":5332},[5276,8302,5112],{"class":5282},[5276,8304,8057],{"class":5286},[5276,8306,5329],{"class":5282},[5276,8308,8257],{"class":5286},[5276,8310,8149],{"class":5282},[5276,8312,8296],{"class":5475},[5167,8314,8315,8320],{},[5130,8316,8317],{},[5102,8318,8319],{},"mockResolvedValue(value)"," — для асинхронних функцій (повертають Promise):",[5267,8322,8324],{"className":5269,"code":8323,"language":5271,"meta":5272,"style":5272},"const mockFindUser = jest.fn().mockResolvedValue({ id: '1', email: 'test@test.com' });\n\nawait mockFindUser(); \u002F\u002F Promise\u003C{ id: '1', email: 'test@test.com' }>\n\n\u002F\u002F Еквівалентно:\njest.fn().mockReturnValue(Promise.resolve({ id: '1', email: 'test@test.com' }));\n",[5102,8325,8326,8360,8364,8376,8380,8385],{"__ignoreMap":5272},[5276,8327,8328,8330,8333,8335,8337,8339,8341,8343,8345,8347,8349,8351,8353,8355,8358],{"class":5278,"line":5279},[5276,8329,7911],{"class":5300},[5276,8331,8332],{"class":5485}," mockFindUser",[5276,8334,5489],{"class":5282},[5276,8336,5867],{"class":5332},[5276,8338,5112],{"class":5282},[5276,8340,5993],{"class":5286},[5276,8342,7112],{"class":5282},[5276,8344,6488],{"class":5286},[5276,8346,5636],{"class":5282},[5276,8348,6389],{"class":5332},[5276,8350,6392],{"class":5833},[5276,8352,5105],{"class":5282},[5276,8354,6397],{"class":5332},[5276,8356,8357],{"class":5833}," 'test@test.com'",[5276,8359,5661],{"class":5282},[5276,8361,8362],{"class":5278,"line":5293},[5276,8363,5427],{"emptyLinePlaceholder":5426},[5276,8365,8366,8368,8370,8373],{"class":5278,"line":5311},[5276,8367,5492],{"class":5296},[5276,8369,8332],{"class":5286},[5276,8371,8372],{"class":5282},"(); ",[5276,8374,8375],{"class":5475},"\u002F\u002F Promise\u003C{ id: '1', email: 'test@test.com' }>\n",[5276,8377,8378],{"class":5278,"line":5320},[5276,8379,5427],{"emptyLinePlaceholder":5426},[5276,8381,8382],{"class":5278,"line":5339},[5276,8383,8384],{"class":5475},"\u002F\u002F Еквівалентно:\n",[5276,8386,8387,8389,8391,8393,8395,8397,8399,8401,8403,8406,8408,8410,8412,8414,8416,8418],{"class":5278,"line":5365},[5276,8388,5867],{"class":5332},[5276,8390,5112],{"class":5282},[5276,8392,5993],{"class":5286},[5276,8394,7112],{"class":5282},[5276,8396,6529],{"class":5286},[5276,8398,5329],{"class":5282},[5276,8400,5462],{"class":5304},[5276,8402,5112],{"class":5282},[5276,8404,8405],{"class":5286},"resolve",[5276,8407,5636],{"class":5282},[5276,8409,6389],{"class":5332},[5276,8411,6392],{"class":5833},[5276,8413,5105],{"class":5282},[5276,8415,6397],{"class":5332},[5276,8417,8357],{"class":5833},[5276,8419,8420],{"class":5282}," }));\n",[5167,8422,8423,8428],{},[5130,8424,8425],{},[5102,8426,8427],{},"mockRejectedValue(error)"," — для симуляції помилок:",[5267,8430,8432],{"className":5269,"code":8431,"language":5271,"meta":5272,"style":5272},"const mockSave = jest.fn().mockRejectedValue(new Error('Database connection failed'));\n\ntry {\n  await mockSave();\n} catch (error) {\n  console.log(error.message); \u002F\u002F 'Database connection failed'\n}\n",[5102,8433,8434,8468,8472,8479,8487,8503,8526],{"__ignoreMap":5272},[5276,8435,8436,8438,8441,8443,8445,8447,8449,8451,8454,8456,8458,8461,8463,8466],{"class":5278,"line":5279},[5276,8437,7911],{"class":5300},[5276,8439,8440],{"class":5485}," mockSave",[5276,8442,5489],{"class":5282},[5276,8444,5867],{"class":5332},[5276,8446,5112],{"class":5282},[5276,8448,5993],{"class":5286},[5276,8450,7112],{"class":5282},[5276,8452,8453],{"class":5286},"mockRejectedValue",[5276,8455,5329],{"class":5282},[5276,8457,6911],{"class":5300},[5276,8459,8460],{"class":5286}," Error",[5276,8462,5329],{"class":5282},[5276,8464,8465],{"class":5833},"'Database connection failed'",[5276,8467,6278],{"class":5282},[5276,8469,8470],{"class":5278,"line":5293},[5276,8471,5427],{"emptyLinePlaceholder":5426},[5276,8473,8474,8477],{"class":5278,"line":5311},[5276,8475,8476],{"class":5296},"try",[5276,8478,5308],{"class":5282},[5276,8480,8481,8483,8485],{"class":5278,"line":5320},[5276,8482,6934],{"class":5296},[5276,8484,8440],{"class":5286},[5276,8486,6223],{"class":5282},[5276,8488,8489,8492,8495,8497,8500],{"class":5278,"line":5339},[5276,8490,8491],{"class":5282},"} ",[5276,8493,8494],{"class":5296},"catch",[5276,8496,5257],{"class":5282},[5276,8498,8499],{"class":5332},"error",[5276,8501,8502],{"class":5282},") {\n",[5276,8504,8505,8508,8510,8512,8514,8516,8518,8521,8523],{"class":5278,"line":5365},[5276,8506,8507],{"class":5332},"  console",[5276,8509,5112],{"class":5282},[5276,8511,8057],{"class":5286},[5276,8513,5329],{"class":5282},[5276,8515,8499],{"class":5332},[5276,8517,5112],{"class":5282},[5276,8519,8520],{"class":5332},"message",[5276,8522,7221],{"class":5282},[5276,8524,8525],{"class":5475},"\u002F\u002F 'Database connection failed'\n",[5276,8527,8528],{"class":5278,"line":5383},[5276,8529,5756],{"class":5282},[6822,8531,8533],{"id":8532},"створення-mock-обєкта-з-кількома-методами","Створення mock об'єкта з кількома методами",[5167,8535,8536,8537,8539],{},"Для мокування сервісу або репозиторію з багатьма методами створюємо об'єкт із ",[5102,8538,5104],{}," для кожного методу:",[5267,8541,8543],{"className":5269,"code":8542,"language":5271,"meta":5272,"style":5272},"const mockUserRepository = {\n  findOne: jest.fn(),\n  find: jest.fn(),\n  create: jest.fn(),\n  save: jest.fn(),\n  remove: jest.fn(),\n  count: jest.fn(),\n};\n\n\u002F\u002F Налаштовуємо поведінку кожного методу\nmockUserRepository.findOne.mockResolvedValue({ id: '1', email: 'test@test.com' });\nmockUserRepository.find.mockResolvedValue([]);\nmockUserRepository.create.mockReturnValue({ id: '2', email: 'new@test.com' });\nmockUserRepository.save.mockResolvedValue({ id: '2', email: 'new@test.com' });\n",[5102,8544,8545,8554,8567,8580,8593,8606,8619,8632,8637,8641,8646,8674,8690,8718],{"__ignoreMap":5272},[5276,8546,8547,8549,8552],{"class":5278,"line":5279},[5276,8548,7911],{"class":5300},[5276,8550,8551],{"class":5485}," mockUserRepository",[5276,8553,5980],{"class":5282},[5276,8555,8556,8559,8561,8563,8565],{"class":5278,"line":5293},[5276,8557,8558],{"class":5332},"  findOne:",[5276,8560,5988],{"class":5332},[5276,8562,5112],{"class":5282},[5276,8564,5993],{"class":5286},[5276,8566,5996],{"class":5282},[5276,8568,8569,8572,8574,8576,8578],{"class":5278,"line":5311},[5276,8570,8571],{"class":5332},"  find:",[5276,8573,5988],{"class":5332},[5276,8575,5112],{"class":5282},[5276,8577,5993],{"class":5286},[5276,8579,5996],{"class":5282},[5276,8581,8582,8585,8587,8589,8591],{"class":5278,"line":5320},[5276,8583,8584],{"class":5332},"  create:",[5276,8586,5988],{"class":5332},[5276,8588,5112],{"class":5282},[5276,8590,5993],{"class":5286},[5276,8592,5996],{"class":5282},[5276,8594,8595,8598,8600,8602,8604],{"class":5278,"line":5339},[5276,8596,8597],{"class":5332},"  save:",[5276,8599,5988],{"class":5332},[5276,8601,5112],{"class":5282},[5276,8603,5993],{"class":5286},[5276,8605,5996],{"class":5282},[5276,8607,8608,8611,8613,8615,8617],{"class":5278,"line":5365},[5276,8609,8610],{"class":5332},"  remove:",[5276,8612,5988],{"class":5332},[5276,8614,5112],{"class":5282},[5276,8616,5993],{"class":5286},[5276,8618,5996],{"class":5282},[5276,8620,8621,8624,8626,8628,8630],{"class":5278,"line":5383},[5276,8622,8623],{"class":5332},"  count:",[5276,8625,5988],{"class":5332},[5276,8627,5112],{"class":5282},[5276,8629,5993],{"class":5286},[5276,8631,5996],{"class":5282},[5276,8633,8634],{"class":5278,"line":5400},[5276,8635,8636],{"class":5282},"};\n",[5276,8638,8639],{"class":5278,"line":5417},[5276,8640,5427],{"emptyLinePlaceholder":5426},[5276,8642,8643],{"class":5278,"line":5423},[5276,8644,8645],{"class":5475},"\u002F\u002F Налаштовуємо поведінку кожного методу\n",[5276,8647,8648,8651,8653,8656,8658,8660,8662,8664,8666,8668,8670,8672],{"class":5278,"line":5430},[5276,8649,8650],{"class":5332},"mockUserRepository",[5276,8652,5112],{"class":5282},[5276,8654,8655],{"class":5332},"findOne",[5276,8657,5112],{"class":5282},[5276,8659,6488],{"class":5286},[5276,8661,5636],{"class":5282},[5276,8663,6389],{"class":5332},[5276,8665,6392],{"class":5833},[5276,8667,5105],{"class":5282},[5276,8669,6397],{"class":5332},[5276,8671,8357],{"class":5833},[5276,8673,5661],{"class":5282},[5276,8675,8676,8678,8680,8683,8685,8687],{"class":5278,"line":5472},[5276,8677,8650],{"class":5332},[5276,8679,5112],{"class":5282},[5276,8681,8682],{"class":5332},"find",[5276,8684,5112],{"class":5282},[5276,8686,6488],{"class":5286},[5276,8688,8689],{"class":5282},"([]);\n",[5276,8691,8692,8694,8696,8698,8700,8702,8704,8706,8709,8711,8713,8716],{"class":5278,"line":5479},[5276,8693,8650],{"class":5332},[5276,8695,5112],{"class":5282},[5276,8697,5633],{"class":5332},[5276,8699,5112],{"class":5282},[5276,8701,6529],{"class":5286},[5276,8703,5636],{"class":5282},[5276,8705,6389],{"class":5332},[5276,8707,8708],{"class":5833}," '2'",[5276,8710,5105],{"class":5282},[5276,8712,6397],{"class":5332},[5276,8714,8715],{"class":5833}," 'new@test.com'",[5276,8717,5661],{"class":5282},[5276,8719,8720,8722,8724,8726,8728,8730,8732,8734,8736,8738,8740,8742],{"class":5278,"line":5515},[5276,8721,8650],{"class":5332},[5276,8723,5112],{"class":5282},[5276,8725,5678],{"class":5332},[5276,8727,5112],{"class":5282},[5276,8729,6488],{"class":5286},[5276,8731,5636],{"class":5282},[5276,8733,6389],{"class":5332},[5276,8735,8708],{"class":5833},[5276,8737,5105],{"class":5282},[5276,8739,6397],{"class":5332},[5276,8741,8715],{"class":5833},[5276,8743,5661],{"class":5282},[5167,8745,8746,8747,8750],{},"Цей об'єкт можна передати у ",[5102,8748,8749],{},"Test.createTestingModule()"," як заміну для реального репозиторію.",[5159,8752],{},[5162,8754,8756],{"id":8755},"мокування-typeorm-репозиторіїв","Мокування TypeORM репозиторіїв",[5167,8758,8759],{},"TypeORM репозиторії — найпоширеніша залежність у NestJS сервісах. Розглянемо детально, як правильно їх мокувати для Unit тестів.",[6822,8761,8763,8764],{"id":8762},"базовий-приклад-мокування-repository","Базовий приклад: мокування Repository",[8765,8766],"t",{},[5167,8768,8769],{},"Припустимо, у нас є сервіс для роботи з постами блогу:",[5267,8771,8773],{"className":5269,"code":8772,"language":5271,"meta":5272,"style":5272},"\u002F\u002F post\u002Fpost.service.ts\n@Injectable()\nexport class PostService {\n  constructor(\n    @InjectRepository(Post)\n    private readonly postRepository: Repository\u003CPost>,\n  ) {}\n\n  async findById(id: string): Promise\u003CPost> {\n    const post = await this.postRepository.findOne({ where: { id } });\n    \n    if (!post) {\n      throw new NotFoundException(`Post with ID ${id} not found`);\n    }\n    \n    return post;\n  }\n\n  async findPublishedPosts(): Promise\u003CPost[]> {\n    return this.postRepository.find({\n      where: { published: true },\n      order: { createdAt: 'DESC' },\n    });\n  }\n\n  async createPost(title: string, content: string, authorId: string): Promise\u003CPost> {\n    const post = this.postRepository.create({ title, content, authorId, published: false });\n    return this.postRepository.save(post);\n  }\n\n  async publishPost(id: string): Promise\u003CPost> {\n    const post = await this.findById(id);\n    post.published = true;\n    return this.postRepository.save(post);\n  }\n}\n",[5102,8774,8775,8780,8788,8799,8805,8818,8837,8841,8845,8870,8905,8909,8922,8951,8956,8960,8968,8972,8976,8995,9011,9026,9041,9046,9050,9054,9098,9137,9157,9161,9165,9190,9212,9229,9249,9253],{"__ignoreMap":5272},[5276,8776,8777],{"class":5278,"line":5279},[5276,8778,8779],{"class":5475},"\u002F\u002F post\u002Fpost.service.ts\n",[5276,8781,8782,8784,8786],{"class":5278,"line":5293},[5276,8783,5283],{"class":5282},[5276,8785,5287],{"class":5286},[5276,8787,5290],{"class":5282},[5276,8789,8790,8792,8794,8797],{"class":5278,"line":5311},[5276,8791,5297],{"class":5296},[5276,8793,5301],{"class":5300},[5276,8795,8796],{"class":5304}," PostService",[5276,8798,5308],{"class":5282},[5276,8800,8801,8803],{"class":5278,"line":5320},[5276,8802,5314],{"class":5300},[5276,8804,5317],{"class":5282},[5276,8806,8807,8809,8811,8813,8816],{"class":5278,"line":5339},[5276,8808,5323],{"class":5282},[5276,8810,5326],{"class":5286},[5276,8812,5329],{"class":5282},[5276,8814,8815],{"class":5332},"Post",[5276,8817,5336],{"class":5282},[5276,8819,8820,8822,8824,8827,8829,8831,8833,8835],{"class":5278,"line":5365},[5276,8821,5342],{"class":5300},[5276,8823,5345],{"class":5300},[5276,8825,8826],{"class":5332}," postRepository",[5276,8828,5351],{"class":5282},[5276,8830,5354],{"class":5304},[5276,8832,5357],{"class":5282},[5276,8834,8815],{"class":5304},[5276,8836,5362],{"class":5282},[5276,8838,8839],{"class":5278,"line":5383},[5276,8840,5420],{"class":5282},[5276,8842,8843],{"class":5278,"line":5400},[5276,8844,5427],{"emptyLinePlaceholder":5426},[5276,8846,8847,8849,8852,8854,8856,8858,8860,8862,8864,8866,8868],{"class":5278,"line":5417},[5276,8848,5433],{"class":5300},[5276,8850,8851],{"class":5286}," findById",[5276,8853,5329],{"class":5282},[5276,8855,5658],{"class":5332},[5276,8857,5351],{"class":5282},[5276,8859,5446],{"class":5304},[5276,8861,7591],{"class":5282},[5276,8863,5462],{"class":5304},[5276,8865,5357],{"class":5282},[5276,8867,8815],{"class":5304},[5276,8869,5469],{"class":5282},[5276,8871,8872,8874,8877,8879,8881,8883,8885,8888,8890,8892,8894,8897,8900,8902],{"class":5278,"line":5423},[5276,8873,5482],{"class":5300},[5276,8875,8876],{"class":5485}," post",[5276,8878,5489],{"class":5282},[5276,8880,5492],{"class":5296},[5276,8882,5495],{"class":5300},[5276,8884,5112],{"class":5282},[5276,8886,8887],{"class":5332},"postRepository",[5276,8889,5112],{"class":5282},[5276,8891,8655],{"class":5286},[5276,8893,5636],{"class":5282},[5276,8895,8896],{"class":5332},"where:",[5276,8898,8899],{"class":5282}," { ",[5276,8901,5658],{"class":5332},[5276,8903,8904],{"class":5282}," } });\n",[5276,8906,8907],{"class":5278,"line":5430},[5276,8908,5518],{"class":5282},[5276,8910,8911,8914,8917,8920],{"class":5278,"line":5472},[5276,8912,8913],{"class":5296},"    if",[5276,8915,8916],{"class":5282}," (!",[5276,8918,8919],{"class":5332},"post",[5276,8921,8502],{"class":5282},[5276,8923,8924,8927,8930,8933,8935,8938,8941,8943,8946,8949],{"class":5278,"line":5479},[5276,8925,8926],{"class":5296},"      throw",[5276,8928,8929],{"class":5300}," new",[5276,8931,8932],{"class":5286}," NotFoundException",[5276,8934,5329],{"class":5282},[5276,8936,8937],{"class":5833},"`Post with ID ",[5276,8939,8940],{"class":5300},"${",[5276,8942,5658],{"class":5332},[5276,8944,8945],{"class":5300},"}",[5276,8947,8948],{"class":5833}," not found`",[5276,8950,5512],{"class":5282},[5276,8952,8953],{"class":5278,"line":5515},[5276,8954,8955],{"class":5282},"    }\n",[5276,8957,8958],{"class":5278,"line":5521},[5276,8959,5518],{"class":5282},[5276,8961,8962,8964,8966],{"class":5278,"line":5527},[5276,8963,5739],{"class":5296},[5276,8965,8876],{"class":5332},[5276,8967,5744],{"class":5282},[5276,8969,8970],{"class":5278,"line":5551},[5276,8971,5750],{"class":5282},[5276,8973,8974],{"class":5278,"line":5556},[5276,8975,5427],{"emptyLinePlaceholder":5426},[5276,8977,8978,8980,8983,8986,8988,8990,8992],{"class":5278,"line":5562},[5276,8979,5433],{"class":5300},[5276,8981,8982],{"class":5286}," findPublishedPosts",[5276,8984,8985],{"class":5282},"(): ",[5276,8987,5462],{"class":5304},[5276,8989,5357],{"class":5282},[5276,8991,8815],{"class":5304},[5276,8993,8994],{"class":5282},"[]> {\n",[5276,8996,8997,8999,9001,9003,9005,9007,9009],{"class":5278,"line":5603},[5276,8998,5739],{"class":5296},[5276,9000,5495],{"class":5300},[5276,9002,5112],{"class":5282},[5276,9004,8887],{"class":5332},[5276,9006,5112],{"class":5282},[5276,9008,8682],{"class":5286},[5276,9010,6115],{"class":5282},[5276,9012,9013,9016,9018,9021,9024],{"class":5278,"line":5608},[5276,9014,9015],{"class":5332},"      where:",[5276,9017,8899],{"class":5282},[5276,9019,9020],{"class":5332},"published:",[5276,9022,9023],{"class":5300}," true",[5276,9025,6156],{"class":5282},[5276,9027,9028,9031,9033,9036,9039],{"class":5278,"line":5614},[5276,9029,9030],{"class":5332},"      order:",[5276,9032,8899],{"class":5282},[5276,9034,9035],{"class":5332},"createdAt:",[5276,9037,9038],{"class":5833}," 'DESC'",[5276,9040,6156],{"class":5282},[5276,9042,9043],{"class":5278,"line":5664},[5276,9044,9045],{"class":5282},"    });\n",[5276,9047,9048],{"class":5278,"line":5688},[5276,9049,5750],{"class":5282},[5276,9051,9052],{"class":5278,"line":5693},[5276,9053,5427],{"emptyLinePlaceholder":5426},[5276,9055,9056,9058,9061,9063,9066,9068,9070,9072,9075,9077,9079,9081,9084,9086,9088,9090,9092,9094,9096],{"class":5278,"line":5699},[5276,9057,5433],{"class":5300},[5276,9059,9060],{"class":5286}," 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'@nestjs\u002Ftypeorm';\nimport { Repository } from 'typeorm';\nimport { NotFoundException } from '@nestjs\u002Fcommon';\nimport { PostService } from '.\u002Fpost.service';\nimport { Post } from '.\u002Fpost.entity';\n\ndescribe('PostService', () => {\n  let service: PostService;\n  let repository: jest.Mocked\u003CRepository\u003CPost>>;\n\n  beforeEach(async () => {\n    \u002F\u002F Створюємо mock repository з основними методами\n    const mockRepository = {\n      findOne: jest.fn(),\n      find: jest.fn(),\n      create: jest.fn(),\n      save: jest.fn(),\n      remove: jest.fn(),\n      count: jest.fn(),\n    };\n\n    const module: TestingModule = await Test.createTestingModule({\n      providers: [\n        PostService,\n        {\n          provide: getRepositoryToken(Post),\n          useValue: mockRepository,\n        },\n      ],\n    }).compile();\n\n    service = module.get\u003CPostService>(PostService);\n    repository = module.get(getRepositoryToken(Post));\n  });\n\n  describe('findById', () => {\n    it('should return post when found', async () => {\n      \u002F\u002F Arrange\n      const mockPost = {\n        id: '123',\n        title: 'Test Post',\n        content: 'Test content',\n        published: false,\n      } as Post;\n      \n      repository.findOne.mockResolvedValue(mockPost);\n\n      \u002F\u002F Act\n      const result = await service.findById('123');\n\n      \u002F\u002F Assert\n      expect(result).toEqual(mockPost);\n      expect(repository.findOne).toHaveBeenCalledWith({ where: { id: '123' } });\n    });\n\n    it('should throw NotFoundException when post not found', async () => {\n      \u002F\u002F Arrange\n      repository.findOne.mockResolvedValue(null);\n\n      \u002F\u002F Act & Assert\n      await expect(service.findById('nonexistent')).rejects.toThrow(NotFoundException);\n      await expect(service.findById('nonexistent')).rejects.toThrow('Post with ID nonexistent not found');\n    });\n  });\n\n  describe('findPublishedPosts', () => {\n    it('should return only published posts ordered by date', async () => {\n      \u002F\u002F Arrange\n      const mockPosts = [\n        { id: '1', title: 'Post 1', published: true, createdAt: new Date('2024-01-02') },\n        { id: '2', title: 'Post 2', published: true, createdAt: new Date('2024-01-01') },\n      ] as Post[];\n      \n      repository.find.mockResolvedValue(mockPosts);\n\n      \u002F\u002F Act\n      const result = await service.findPublishedPosts();\n\n      \u002F\u002F Assert\n      expect(result).toEqual(mockPosts);\n      expect(repository.find).toHaveBeenCalledWith({\n        where: { published: true },\n        order: { createdAt: 'DESC' },\n      });\n    });\n\n    it('should return empty array when no published posts', async () => {\n      \u002F\u002F Arrange\n      repository.find.mockResolvedValue([]);\n\n      \u002F\u002F Act\n      const result = await service.findPublishedPosts();\n\n      \u002F\u002F Assert\n      expect(result).toEqual([]);\n      expect(result).toHaveLength(0);\n    });\n  });\n\n  describe('createPost', () => {\n    it('should create and save new post', async () => {\n      \u002F\u002F Arrange\n      const title = 'New Post';\n      const content = 'New content';\n      const authorId = 'author-123';\n      \n      const createdPost = { id: '456', title, content, authorId, published: false } as Post;\n      \n      repository.create.mockReturnValue(createdPost);\n      repository.save.mockResolvedValue(createdPost);\n\n      \u002F\u002F Act\n      const result = await service.createPost(title, content, authorId);\n\n      \u002F\u002F Assert\n      expect(repository.create).toHaveBeenCalledWith({\n        title,\n        content,\n        authorId,\n        published: false,\n      });\n      expect(repository.save).toHaveBeenCalledWith(createdPost);\n      expect(result.published).toBe(false); \u002F\u002F За замовчуванням не опубліковано\n    });\n  });\n\n  describe('publishPost', () => {\n    it('should set published flag to true and save', async () => {\n      \u002F\u002F Arrange\n      const postId = '789';\n      const unpublishedPost = {\n        id: postId,\n        title: 'Draft Post',\n        published: false,\n      } as Post;\n      \n      const publishedPost = { ...unpublishedPost, published: true } as Post;\n      \n      repository.findOne.mockResolvedValue(unpublishedPost);\n      repository.save.mockResolvedValue(publishedPost);\n\n      \u002F\u002F Act\n      const result = await service.publishPost(postId);\n\n      \u002F\u002F Assert\n      expect(result.published).toBe(true);\n      expect(repository.save).toHaveBeenCalledWith(\n        expect.objectContaining({ id: postId, published: true })\n      );\n    });\n\n    it('should throw NotFoundException when post does not exist', async () => {\n      \u002F\u002F Arrange\n      repository.findOne.mockResolvedValue(null);\n\n      \u002F\u002F Act & Assert\n      await expect(service.publishPost('nonexistent')).rejects.toThrow(NotFoundException);\n    });\n  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count:",[5276,9539,5988],{"class":5332},[5276,9541,5112],{"class":5282},[5276,9543,5993],{"class":5286},[5276,9545,5996],{"class":5282},[5276,9547,9548],{"class":5278,"line":5614},[5276,9549,6027],{"class":5282},[5276,9551,9552],{"class":5278,"line":5664},[5276,9553,5427],{"emptyLinePlaceholder":5426},[5276,9555,9556,9558,9560,9562,9564,9566,9568,9570,9572,9574],{"class":5278,"line":5688},[5276,9557,5482],{"class":5300},[5276,9559,6100],{"class":5485},[5276,9561,5351],{"class":5282},[5276,9563,9284],{"class":5304},[5276,9565,5489],{"class":5282},[5276,9567,5492],{"class":5296},[5276,9569,6107],{"class":5332},[5276,9571,5112],{"class":5282},[5276,9573,6112],{"class":5286},[5276,9575,6115],{"class":5282},[5276,9577,9578,9580],{"class":5278,"line":5693},[5276,9579,6120],{"class":5332},[5276,9581,6123],{"class":5282},[5276,9583,9584,9587],{"class":5278,"line":5699},[5276,9585,9586],{"class":5332},"        PostService",[5276,9588,5380],{"class":5282},[5276,9590,9591],{"class":5278,"line":5731},[5276,9592,9593],{"class":5282},"        {\n",[5276,9595,9596,9599,9601,9603,9605],{"class":5278,"line":5736},[5276,9597,9598],{"class":5332},"          provide:",[5276,9600,6141],{"class":5286},[5276,9602,5329],{"class":5282},[5276,9604,8815],{"class":5332},[5276,9606,9607],{"class":5282},"),\n",[5276,9609,9610,9613,9615],{"class":5278,"line":5747},[5276,9611,9612],{"class":5332},"          useValue:",[5276,9614,9468],{"class":5332},[5276,9616,5380],{"class":5282},[5276,9618,9619],{"class":5278,"line":5753},[5276,9620,9621],{"class":5282},"        },\n",[5276,9623,9624],{"class":5278,"line":6281},[5276,9625,6212],{"class":5282},[5276,9627,9628,9630,9632],{"class":5278,"line":6301},[5276,9629,6217],{"class":5282},[5276,9631,6220],{"class":5286},[5276,9633,6223],{"class":5282},[5276,9635,9636],{"class":5278,"line":6321},[5276,9637,5427],{"emptyLinePlaceholder":5426},[5276,9639,9640,9642,9644,9646,9648,9650,9652,9654,9656,9658],{"class":5278,"line":6341},[5276,9641,6232],{"class":5332},[5276,9643,5489],{"class":5282},[5276,9645,6237],{"class":5304},[5276,9647,5112],{"class":5282},[5276,9649,6242],{"class":5286},[5276,9651,5357],{"class":5282},[5276,9653,9356],{"class":5304},[5276,9655,6249],{"class":5282},[5276,9657,9356],{"class":5332},[5276,9659,5512],{"class":5282},[5276,9661,9662,9665,9667,9669,9671,9673,9675,9677,9679,9681],{"class":5278,"line":6347},[5276,9663,9664],{"class":5332},"    repository",[5276,9666,5489],{"class":5282},[5276,9668,6237],{"class":5304},[5276,9670,5112],{"class":5282},[5276,9672,6242],{"class":5286},[5276,9674,5329],{"class":5282},[5276,9676,6271],{"class":5286},[5276,9678,5329],{"class":5282},[5276,9680,8815],{"class":5332},[5276,9682,6278],{"class":5282},[5276,9684,9685],{"class":5278,"line":6352},[5276,9686,6344],{"class":5282},[5276,9688,9689],{"class":5278,"line":6373},[5276,9690,5427],{"emptyLinePlaceholder":5426},[5276,9692,9693,9696,9698,9701,9703,9705],{"class":5278,"line":6379},[5276,9694,9695],{"class":5286},"  describe",[5276,9697,5329],{"class":5282},[5276,9699,9700],{"class":5833},"'findById'",[5276,9702,5837],{"class":5282},[5276,9704,5840],{"class":5300},[5276,9706,5308],{"class":5282},[5276,9708,9709,9712,9714,9717,9719,9721,9723,9725],{"class":5278,"line":6414},[5276,9710,9711],{"class":5286},"    it",[5276,9713,5329],{"class":5282},[5276,9715,9716],{"class":5833},"'should return post when found'",[5276,9718,5105],{"class":5282},[5276,9720,5958],{"class":5300},[5276,9722,5961],{"class":5282},[5276,9724,5840],{"class":5300},[5276,9726,5308],{"class":5282},[5276,9728,9729],{"class":5278,"line":6439},[5276,9730,9731],{"class":5475},"      \u002F\u002F Arrange\n",[5276,9733,9734,9737,9740],{"class":5278,"line":6472},[5276,9735,9736],{"class":5300},"      const",[5276,9738,9739],{"class":5485}," mockPost",[5276,9741,5980],{"class":5282},[5276,9743,9744,9747,9750],{"class":5278,"line":6477},[5276,9745,9746],{"class":5332},"        id:",[5276,9748,9749],{"class":5833}," '123'",[5276,9751,5380],{"class":5282},[5276,9753,9754,9757,9760],{"class":5278,"line":6498},[5276,9755,9756],{"class":5332},"        title:",[5276,9758,9759],{"class":5833}," 'Test Post'",[5276,9761,5380],{"class":5282},[5276,9763,9764,9767,9770],{"class":5278,"line":6518},[5276,9765,9766],{"class":5332},"        content:",[5276,9768,9769],{"class":5833}," 'Test content'",[5276,9771,5380],{"class":5282},[5276,9773,9774,9777,9779],{"class":5278,"line":6545},[5276,9775,9776],{"class":5332},"        published:",[5276,9778,9134],{"class":5300},[5276,9780,5380],{"class":5282},[5276,9782,9783,9786,9789,9792],{"class":5278,"line":6568},[5276,9784,9785],{"class":5282},"      } ",[5276,9787,9788],{"class":5296},"as",[5276,9790,9791],{"class":5304}," Post",[5276,9793,5744],{"class":5282},[5276,9795,9796],{"class":5278,"line":6588},[5276,9797,9798],{"class":5282},"      \n",[5276,9800,9801,9804,9806,9808,9810,9812,9814,9817],{"class":5278,"line":6593},[5276,9802,9803],{"class":5332},"      repository",[5276,9805,5112],{"class":5282},[5276,9807,8655],{"class":5332},[5276,9809,5112],{"class":5282},[5276,9811,6488],{"class":5286},[5276,9813,5329],{"class":5282},[5276,9815,9816],{"class":5332},"mockPost",[5276,9818,5512],{"class":5282},[5276,9820,9821],{"class":5278,"line":6599},[5276,9822,5427],{"emptyLinePlaceholder":5426},[5276,9824,9825],{"class":5278,"line":6651},[5276,9826,9827],{"class":5475},"      \u002F\u002F Act\n",[5276,9829,9830,9832,9834,9836,9838,9840,9842,9844,9846,9849],{"class":5278,"line":6656},[5276,9831,9736],{"class":5300},[5276,9833,6604],{"class":5485},[5276,9835,5489],{"class":5282},[5276,9837,5492],{"class":5296},[5276,9839,5850],{"class":5332},[5276,9841,5112],{"class":5282},[5276,9843,5505],{"class":5286},[5276,9845,5329],{"class":5282},[5276,9847,9848],{"class":5833},"'123'",[5276,9850,5512],{"class":5282},[5276,9852,9853],{"class":5278,"line":6662},[5276,9854,5427],{"emptyLinePlaceholder":5426},[5276,9856,9857],{"class":5278,"line":6690},[5276,9858,9859],{"class":5475},"      \u002F\u002F Assert\n",[5276,9861,9862,9865,9867,9869,9871,9874,9876,9878],{"class":5278,"line":6719},[5276,9863,9864],{"class":5286},"      expect",[5276,9866,5329],{"class":5282},[5276,9868,6670],{"class":5332},[5276,9870,6677],{"class":5282},[5276,9872,9873],{"class":5286},"toEqual",[5276,9875,5329],{"class":5282},[5276,9877,9816],{"class":5332},[5276,9879,5512],{"class":5282},[5276,9881,9882,9884,9886,9889,9891,9893,9895,9897,9899,9901,9903,9905,9907],{"class":5278,"line":6739},[5276,9883,9864],{"class":5286},[5276,9885,5329],{"class":5282},[5276,9887,9888],{"class":5332},"repository",[5276,9890,5112],{"class":5282},[5276,9892,8655],{"class":5332},[5276,9894,6677],{"class":5282},[5276,9896,6705],{"class":5286},[5276,9898,5636],{"class":5282},[5276,9900,8896],{"class":5332},[5276,9902,8899],{"class":5282},[5276,9904,6389],{"class":5332},[5276,9906,9749],{"class":5833},[5276,9908,8904],{"class":5282},[5276,9910,9911],{"class":5278,"line":6767},[5276,9912,9045],{"class":5282},[5276,9914,9915],{"class":5278,"line":6772},[5276,9916,5427],{"emptyLinePlaceholder":5426},[5276,9918,9920,9922,9924,9927,9929,9931,9933,9935],{"class":5278,"line":9919},58,[5276,9921,9711],{"class":5286},[5276,9923,5329],{"class":5282},[5276,9925,9926],{"class":5833},"'should throw NotFoundException when post not found'",[5276,9928,5105],{"class":5282},[5276,9930,5958],{"class":5300},[5276,9932,5961],{"class":5282},[5276,9934,5840],{"class":5300},[5276,9936,5308],{"class":5282},[5276,9938,9940],{"class":5278,"line":9939},59,[5276,9941,9731],{"class":5475},[5276,9943,9945,9947,9949,9951,9953,9955,9957,9960],{"class":5278,"line":9944},60,[5276,9946,9803],{"class":5332},[5276,9948,5112],{"class":5282},[5276,9950,8655],{"class":5332},[5276,9952,5112],{"class":5282},[5276,9954,6488],{"class":5286},[5276,9956,5329],{"class":5282},[5276,9958,9959],{"class":5300},"null",[5276,9961,5512],{"class":5282},[5276,9963,9965],{"class":5278,"line":9964},61,[5276,9966,5427],{"emptyLinePlaceholder":5426},[5276,9968,9970],{"class":5278,"line":9969},62,[5276,9971,9972],{"class":5475},"      \u002F\u002F Act & Assert\n",[5276,9974,9976,9979,9982,9984,9986,9988,9990,9992,9995,9998,10001,10003,10006,10008,10010],{"class":5278,"line":9975},63,[5276,9977,9978],{"class":5296},"      await",[5276,9980,9981],{"class":5286}," expect",[5276,9983,5329],{"class":5282},[5276,9985,7354],{"class":5332},[5276,9987,5112],{"class":5282},[5276,9989,5505],{"class":5286},[5276,9991,5329],{"class":5282},[5276,9993,9994],{"class":5833},"'nonexistent'",[5276,9996,9997],{"class":5282},")).",[5276,9999,10000],{"class":5332},"rejects",[5276,10002,5112],{"class":5282},[5276,10004,10005],{"class":5286},"toThrow",[5276,10007,5329],{"class":5282},[5276,10009,9338],{"class":5332},[5276,10011,5512],{"class":5282},[5276,10013,10015,10017,10019,10021,10023,10025,10027,10029,10031,10033,10035,10037,10039,10041,10044],{"class":5278,"line":10014},64,[5276,10016,9978],{"class":5296},[5276,10018,9981],{"class":5286},[5276,10020,5329],{"class":5282},[5276,10022,7354],{"class":5332},[5276,10024,5112],{"class":5282},[5276,10026,5505],{"class":5286},[5276,10028,5329],{"class":5282},[5276,10030,9994],{"class":5833},[5276,10032,9997],{"class":5282},[5276,10034,10000],{"class":5332},[5276,10036,5112],{"class":5282},[5276,10038,10005],{"class":5286},[5276,10040,5329],{"class":5282},[5276,10042,10043],{"class":5833},"'Post with ID nonexistent not found'",[5276,10045,5512],{"class":5282},[5276,10047,10049],{"class":5278,"line":10048},65,[5276,10050,9045],{"class":5282},[5276,10052,10054],{"class":5278,"line":10053},66,[5276,10055,6344],{"class":5282},[5276,10057,10059],{"class":5278,"line":10058},67,[5276,10060,5427],{"emptyLinePlaceholder":5426},[5276,10062,10064,10066,10068,10071,10073,10075],{"class":5278,"line":10063},68,[5276,10065,9695],{"class":5286},[5276,10067,5329],{"class":5282},[5276,10069,10070],{"class":5833},"'findPublishedPosts'",[5276,10072,5837],{"class":5282},[5276,10074,5840],{"class":5300},[5276,10076,5308],{"class":5282},[5276,10078,10080,10082,10084,10087,10089,10091,10093,10095],{"class":5278,"line":10079},69,[5276,10081,9711],{"class":5286},[5276,10083,5329],{"class":5282},[5276,10085,10086],{"class":5833},"'should return only published posts ordered by date'",[5276,10088,5105],{"class":5282},[5276,10090,5958],{"class":5300},[5276,10092,5961],{"class":5282},[5276,10094,5840],{"class":5300},[5276,10096,5308],{"class":5282},[5276,10098,10100],{"class":5278,"line":10099},70,[5276,10101,9731],{"class":5475},[5276,10103,10105,10107,10110],{"class":5278,"line":10104},71,[5276,10106,9736],{"class":5300},[5276,10108,10109],{"class":5485}," mockPosts",[5276,10111,10112],{"class":5282}," = [\n",[5276,10114,10116,10118,10120,10122,10124,10127,10130,10132,10134,10136,10138,10140,10142,10145,10147,10150],{"class":5278,"line":10115},72,[5276,10117,6135],{"class":5282},[5276,10119,6389],{"class":5332},[5276,10121,6392],{"class":5833},[5276,10123,5105],{"class":5282},[5276,10125,10126],{"class":5332},"title:",[5276,10128,10129],{"class":5833}," 'Post 1'",[5276,10131,5105],{"class":5282},[5276,10133,9020],{"class":5332},[5276,10135,9023],{"class":5300},[5276,10137,5105],{"class":5282},[5276,10139,9035],{"class":5332},[5276,10141,8929],{"class":5300},[5276,10143,10144],{"class":5286}," Date",[5276,10146,5329],{"class":5282},[5276,10148,10149],{"class":5833},"'2024-01-02'",[5276,10151,10152],{"class":5282},") },\n",[5276,10154,10156,10158,10160,10162,10164,10166,10169,10171,10173,10175,10177,10179,10181,10183,10185,10188],{"class":5278,"line":10155},73,[5276,10157,6135],{"class":5282},[5276,10159,6389],{"class":5332},[5276,10161,8708],{"class":5833},[5276,10163,5105],{"class":5282},[5276,10165,10126],{"class":5332},[5276,10167,10168],{"class":5833}," 'Post 2'",[5276,10170,5105],{"class":5282},[5276,10172,9020],{"class":5332},[5276,10174,9023],{"class":5300},[5276,10176,5105],{"class":5282},[5276,10178,9035],{"class":5332},[5276,10180,8929],{"class":5300},[5276,10182,10144],{"class":5286},[5276,10184,5329],{"class":5282},[5276,10186,10187],{"class":5833},"'2024-01-01'",[5276,10189,10152],{"class":5282},[5276,10191,10193,10196,10198,10200],{"class":5278,"line":10192},74,[5276,10194,10195],{"class":5282},"      ] ",[5276,10197,9788],{"class":5296},[5276,10199,9791],{"class":5304},[5276,10201,10202],{"class":5282},"[];\n",[5276,10204,10206],{"class":5278,"line":10205},75,[5276,10207,9798],{"class":5282},[5276,10209,10211,10213,10215,10217,10219,10221,10223,10226],{"class":5278,"line":10210},76,[5276,10212,9803],{"class":5332},[5276,10214,5112],{"class":5282},[5276,10216,8682],{"class":5332},[5276,10218,5112],{"class":5282},[5276,10220,6488],{"class":5286},[5276,10222,5329],{"class":5282},[5276,10224,10225],{"class":5332},"mockPosts",[5276,10227,5512],{"class":5282},[5276,10229,10231],{"class":5278,"line":10230},77,[5276,10232,5427],{"emptyLinePlaceholder":5426},[5276,10234,10236],{"class":5278,"line":10235},78,[5276,10237,9827],{"class":5475},[5276,10239,10241,10243,10245,10247,10249,10251,10253,10256],{"class":5278,"line":10240},79,[5276,10242,9736],{"class":5300},[5276,10244,6604],{"class":5485},[5276,10246,5489],{"class":5282},[5276,10248,5492],{"class":5296},[5276,10250,5850],{"class":5332},[5276,10252,5112],{"class":5282},[5276,10254,10255],{"class":5286},"findPublishedPosts",[5276,10257,6223],{"class":5282},[5276,10259,10261],{"class":5278,"line":10260},80,[5276,10262,5427],{"emptyLinePlaceholder":5426},[5276,10264,10266],{"class":5278,"line":10265},81,[5276,10267,9859],{"class":5475},[5276,10269,10271,10273,10275,10277,10279,10281,10283,10285],{"class":5278,"line":10270},82,[5276,10272,9864],{"class":5286},[5276,10274,5329],{"class":5282},[5276,10276,6670],{"class":5332},[5276,10278,6677],{"class":5282},[5276,10280,9873],{"class":5286},[5276,10282,5329],{"class":5282},[5276,10284,10225],{"class":5332},[5276,10286,5512],{"class":5282},[5276,10288,10290,10292,10294,10296,10298,10300,10302,10304],{"class":5278,"line":10289},83,[5276,10291,9864],{"class":5286},[5276,10293,5329],{"class":5282},[5276,10295,9888],{"class":5332},[5276,10297,5112],{"class":5282},[5276,10299,8682],{"class":5332},[5276,10301,6677],{"class":5282},[5276,10303,6705],{"class":5286},[5276,10305,6115],{"class":5282},[5276,10307,10309,10312,10314,10316,10318],{"class":5278,"line":10308},84,[5276,10310,10311],{"class":5332},"        where:",[5276,10313,8899],{"class":5282},[5276,10315,9020],{"class":5332},[5276,10317,9023],{"class":5300},[5276,10319,6156],{"class":5282},[5276,10321,10323,10326,10328,10330,10332],{"class":5278,"line":10322},85,[5276,10324,10325],{"class":5332},"        order:",[5276,10327,8899],{"class":5282},[5276,10329,9035],{"class":5332},[5276,10331,9038],{"class":5833},[5276,10333,6156],{"class":5282},[5276,10335,10337],{"class":5278,"line":10336},86,[5276,10338,10339],{"class":5282},"      });\n",[5276,10341,10343],{"class":5278,"line":10342},87,[5276,10344,9045],{"class":5282},[5276,10346,10348],{"class":5278,"line":10347},88,[5276,10349,5427],{"emptyLinePlaceholder":5426},[5276,10351,10353,10355,10357,10360,10362,10364,10366,10368],{"class":5278,"line":10352},89,[5276,10354,9711],{"class":5286},[5276,10356,5329],{"class":5282},[5276,10358,10359],{"class":5833},"'should return empty array when no published posts'",[5276,10361,5105],{"class":5282},[5276,10363,5958],{"class":5300},[5276,10365,5961],{"class":5282},[5276,10367,5840],{"class":5300},[5276,10369,5308],{"class":5282},[5276,10371,10373],{"class":5278,"line":10372},90,[5276,10374,9731],{"class":5475},[5276,10376,10378,10380,10382,10384,10386,10388],{"class":5278,"line":10377},91,[5276,10379,9803],{"class":5332},[5276,10381,5112],{"class":5282},[5276,10383,8682],{"class":5332},[5276,10385,5112],{"class":5282},[5276,10387,6488],{"class":5286},[5276,10389,8689],{"class":5282},[5276,10391,10393],{"class":5278,"line":10392},92,[5276,10394,5427],{"emptyLinePlaceholder":5426},[5276,10396,10398],{"class":5278,"line":10397},93,[5276,10399,9827],{"class":5475},[5276,10401,10403,10405,10407,10409,10411,10413,10415,10417],{"class":5278,"line":10402},94,[5276,10404,9736],{"class":5300},[5276,10406,6604],{"class":5485},[5276,10408,5489],{"class":5282},[5276,10410,5492],{"class":5296},[5276,10412,5850],{"class":5332},[5276,10414,5112],{"class":5282},[5276,10416,10255],{"class":5286},[5276,10418,6223],{"class":5282},[5276,10420,10422],{"class":5278,"line":10421},95,[5276,10423,5427],{"emptyLinePlaceholder":5426},[5276,10425,10427],{"class":5278,"line":10426},96,[5276,10428,9859],{"class":5475},[5276,10430,10432,10434,10436,10438,10440,10442],{"class":5278,"line":10431},97,[5276,10433,9864],{"class":5286},[5276,10435,5329],{"class":5282},[5276,10437,6670],{"class":5332},[5276,10439,6677],{"class":5282},[5276,10441,9873],{"class":5286},[5276,10443,8689],{"class":5282},[5276,10445,10447,10449,10451,10453,10455,10457,10459,10461],{"class":5278,"line":10446},98,[5276,10448,9864],{"class":5286},[5276,10450,5329],{"class":5282},[5276,10452,6670],{"class":5332},[5276,10454,6677],{"class":5282},[5276,10456,7801],{"class":5286},[5276,10458,5329],{"class":5282},[5276,10460,7826],{"class":6466},[5276,10462,5512],{"class":5282},[5276,10464,10466],{"class":5278,"line":10465},99,[5276,10467,9045],{"class":5282},[5276,10469,10471],{"class":5278,"line":10470},100,[5276,10472,6344],{"class":5282},[5276,10474,10476],{"class":5278,"line":10475},101,[5276,10477,5427],{"emptyLinePlaceholder":5426},[5276,10479,10481,10483,10485,10488,10490,10492],{"class":5278,"line":10480},102,[5276,10482,9695],{"class":5286},[5276,10484,5329],{"class":5282},[5276,10486,10487],{"class":5833},"'createPost'",[5276,10489,5837],{"class":5282},[5276,10491,5840],{"class":5300},[5276,10493,5308],{"class":5282},[5276,10495,10497,10499,10501,10504,10506,10508,10510,10512],{"class":5278,"line":10496},103,[5276,10498,9711],{"class":5286},[5276,10500,5329],{"class":5282},[5276,10502,10503],{"class":5833},"'should create and save new post'",[5276,10505,5105],{"class":5282},[5276,10507,5958],{"class":5300},[5276,10509,5961],{"class":5282},[5276,10511,5840],{"class":5300},[5276,10513,5308],{"class":5282},[5276,10515,10517],{"class":5278,"line":10516},104,[5276,10518,9731],{"class":5475},[5276,10520,10522,10524,10527,10529,10532],{"class":5278,"line":10521},105,[5276,10523,9736],{"class":5300},[5276,10525,10526],{"class":5485}," title",[5276,10528,5489],{"class":5282},[5276,10530,10531],{"class":5833},"'New Post'",[5276,10533,5744],{"class":5282},[5276,10535,10537,10539,10542,10544,10547],{"class":5278,"line":10536},106,[5276,10538,9736],{"class":5300},[5276,10540,10541],{"class":5485}," content",[5276,10543,5489],{"class":5282},[5276,10545,10546],{"class":5833},"'New content'",[5276,10548,5744],{"class":5282},[5276,10550,10552,10554,10557,10559,10562],{"class":5278,"line":10551},107,[5276,10553,9736],{"class":5300},[5276,10555,10556],{"class":5485}," authorId",[5276,10558,5489],{"class":5282},[5276,10560,10561],{"class":5833},"'author-123'",[5276,10563,5744],{"class":5282},[5276,10565,10567],{"class":5278,"line":10566},108,[5276,10568,9798],{"class":5282},[5276,10570,10572,10574,10577,10579,10581,10584,10586,10588,10590,10592,10594,10596,10598,10600,10602,10604,10606,10608],{"class":5278,"line":10571},109,[5276,10573,9736],{"class":5300},[5276,10575,10576],{"class":5485}," createdPost",[5276,10578,6037],{"class":5282},[5276,10580,6389],{"class":5332},[5276,10582,10583],{"class":5833}," '456'",[5276,10585,5105],{"class":5282},[5276,10587,9065],{"class":5332},[5276,10589,5105],{"class":5282},[5276,10591,9074],{"class":5332},[5276,10593,5105],{"class":5282},[5276,10595,9083],{"class":5332},[5276,10597,5105],{"class":5282},[5276,10599,9020],{"class":5332},[5276,10601,9134],{"class":5300},[5276,10603,9287],{"class":5282},[5276,10605,9788],{"class":5296},[5276,10607,9791],{"class":5304},[5276,10609,5744],{"class":5282},[5276,10611,10613],{"class":5278,"line":10612},110,[5276,10614,9798],{"class":5282},[5276,10616,10618,10620,10622,10624,10626,10628,10630,10633],{"class":5278,"line":10617},111,[5276,10619,9803],{"class":5332},[5276,10621,5112],{"class":5282},[5276,10623,5633],{"class":5332},[5276,10625,5112],{"class":5282},[5276,10627,6529],{"class":5286},[5276,10629,5329],{"class":5282},[5276,10631,10632],{"class":5332},"createdPost",[5276,10634,5512],{"class":5282},[5276,10636,10638,10640,10642,10644,10646,10648,10650,10652],{"class":5278,"line":10637},112,[5276,10639,9803],{"class":5332},[5276,10641,5112],{"class":5282},[5276,10643,5678],{"class":5332},[5276,10645,5112],{"class":5282},[5276,10647,6488],{"class":5286},[5276,10649,5329],{"class":5282},[5276,10651,10632],{"class":5332},[5276,10653,5512],{"class":5282},[5276,10655,10657],{"class":5278,"line":10656},113,[5276,10658,5427],{"emptyLinePlaceholder":5426},[5276,10660,10662],{"class":5278,"line":10661},114,[5276,10663,9827],{"class":5475},[5276,10665,10667,10669,10671,10673,10675,10677,10679,10682,10684,10686,10688,10690,10692,10694],{"class":5278,"line":10666},115,[5276,10668,9736],{"class":5300},[5276,10670,6604],{"class":5485},[5276,10672,5489],{"class":5282},[5276,10674,5492],{"class":5296},[5276,10676,5850],{"class":5332},[5276,10678,5112],{"class":5282},[5276,10680,10681],{"class":5286},"createPost",[5276,10683,5329],{"class":5282},[5276,10685,9065],{"class":5332},[5276,10687,5105],{"class":5282},[5276,10689,9074],{"class":5332},[5276,10691,5105],{"class":5282},[5276,10693,9083],{"class":5332},[5276,10695,5512],{"class":5282},[5276,10697,10699],{"class":5278,"line":10698},116,[5276,10700,5427],{"emptyLinePlaceholder":5426},[5276,10702,10704],{"class":5278,"line":10703},117,[5276,10705,9859],{"class":5475},[5276,10707,10709,10711,10713,10715,10717,10719,10721,10723],{"class":5278,"line":10708},118,[5276,10710,9864],{"class":5286},[5276,10712,5329],{"class":5282},[5276,10714,9888],{"class":5332},[5276,10716,5112],{"class":5282},[5276,10718,5633],{"class":5332},[5276,10720,6677],{"class":5282},[5276,10722,6705],{"class":5286},[5276,10724,6115],{"class":5282},[5276,10726,10728,10731],{"class":5278,"line":10727},119,[5276,10729,10730],{"class":5332},"        title",[5276,10732,5380],{"class":5282},[5276,10734,10736,10739],{"class":5278,"line":10735},120,[5276,10737,10738],{"class":5332},"        content",[5276,10740,5380],{"class":5282},[5276,10742,10744,10747],{"class":5278,"line":10743},121,[5276,10745,10746],{"class":5332},"        authorId",[5276,10748,5380],{"class":5282},[5276,10750,10752,10754,10756],{"class":5278,"line":10751},122,[5276,10753,9776],{"class":5332},[5276,10755,9134],{"class":5300},[5276,10757,5380],{"class":5282},[5276,10759,10761],{"class":5278,"line":10760},123,[5276,10762,10339],{"class":5282},[5276,10764,10766,10768,10770,10772,10774,10776,10778,10780,10782,10784],{"class":5278,"line":10765},124,[5276,10767,9864],{"class":5286},[5276,10769,5329],{"class":5282},[5276,10771,9888],{"class":5332},[5276,10773,5112],{"class":5282},[5276,10775,5678],{"class":5332},[5276,10777,6677],{"class":5282},[5276,10779,6705],{"class":5286},[5276,10781,5329],{"class":5282},[5276,10783,10632],{"class":5332},[5276,10785,5512],{"class":5282},[5276,10787,10789,10791,10793,10795,10797,10799,10801,10803,10805,10808,10810],{"class":5278,"line":10788},125,[5276,10790,9864],{"class":5286},[5276,10792,5329],{"class":5282},[5276,10794,6670],{"class":5332},[5276,10796,5112],{"class":5282},[5276,10798,9221],{"class":5332},[5276,10800,6677],{"class":5282},[5276,10802,6680],{"class":5286},[5276,10804,5329],{"class":5282},[5276,10806,10807],{"class":5300},"false",[5276,10809,7221],{"class":5282},[5276,10811,10812],{"class":5475},"\u002F\u002F За замовчуванням не опубліковано\n",[5276,10814,10816],{"class":5278,"line":10815},126,[5276,10817,9045],{"class":5282},[5276,10819,10821],{"class":5278,"line":10820},127,[5276,10822,6344],{"class":5282},[5276,10824,10826],{"class":5278,"line":10825},128,[5276,10827,5427],{"emptyLinePlaceholder":5426},[5276,10829,10831,10833,10835,10838,10840,10842],{"class":5278,"line":10830},129,[5276,10832,9695],{"class":5286},[5276,10834,5329],{"class":5282},[5276,10836,10837],{"class":5833},"'publishPost'",[5276,10839,5837],{"class":5282},[5276,10841,5840],{"class":5300},[5276,10843,5308],{"class":5282},[5276,10845,10847,10849,10851,10854,10856,10858,10860,10862],{"class":5278,"line":10846},130,[5276,10848,9711],{"class":5286},[5276,10850,5329],{"class":5282},[5276,10852,10853],{"class":5833},"'should set published flag to true and save'",[5276,10855,5105],{"class":5282},[5276,10857,5958],{"class":5300},[5276,10859,5961],{"class":5282},[5276,10861,5840],{"class":5300},[5276,10863,5308],{"class":5282},[5276,10865,10867],{"class":5278,"line":10866},131,[5276,10868,9731],{"class":5475},[5276,10870,10872,10874,10877,10879,10882],{"class":5278,"line":10871},132,[5276,10873,9736],{"class":5300},[5276,10875,10876],{"class":5485}," postId",[5276,10878,5489],{"class":5282},[5276,10880,10881],{"class":5833},"'789'",[5276,10883,5744],{"class":5282},[5276,10885,10887,10889,10892],{"class":5278,"line":10886},133,[5276,10888,9736],{"class":5300},[5276,10890,10891],{"class":5485}," unpublishedPost",[5276,10893,5980],{"class":5282},[5276,10895,10897,10899,10901],{"class":5278,"line":10896},134,[5276,10898,9746],{"class":5332},[5276,10900,10876],{"class":5332},[5276,10902,5380],{"class":5282},[5276,10904,10906,10908,10911],{"class":5278,"line":10905},135,[5276,10907,9756],{"class":5332},[5276,10909,10910],{"class":5833}," 'Draft Post'",[5276,10912,5380],{"class":5282},[5276,10914,10916,10918,10920],{"class":5278,"line":10915},136,[5276,10917,9776],{"class":5332},[5276,10919,9134],{"class":5300},[5276,10921,5380],{"class":5282},[5276,10923,10925,10927,10929,10931],{"class":5278,"line":10924},137,[5276,10926,9785],{"class":5282},[5276,10928,9788],{"class":5296},[5276,10930,9791],{"class":5304},[5276,10932,5744],{"class":5282},[5276,10934,10936],{"class":5278,"line":10935},138,[5276,10937,9798],{"class":5282},[5276,10939,10941,10943,10946,10949,10952,10954,10956,10958,10960,10962,10964],{"class":5278,"line":10940},139,[5276,10942,9736],{"class":5300},[5276,10944,10945],{"class":5485}," publishedPost",[5276,10947,10948],{"class":5282}," = { ...",[5276,10950,10951],{"class":5332},"unpublishedPost",[5276,10953,5105],{"class":5282},[5276,10955,9020],{"class":5332},[5276,10957,9023],{"class":5300},[5276,10959,9287],{"class":5282},[5276,10961,9788],{"class":5296},[5276,10963,9791],{"class":5304},[5276,10965,5744],{"class":5282},[5276,10967,10969],{"class":5278,"line":10968},140,[5276,10970,9798],{"class":5282},[5276,10972,10974,10976,10978,10980,10982,10984,10986,10988],{"class":5278,"line":10973},141,[5276,10975,9803],{"class":5332},[5276,10977,5112],{"class":5282},[5276,10979,8655],{"class":5332},[5276,10981,5112],{"class":5282},[5276,10983,6488],{"class":5286},[5276,10985,5329],{"class":5282},[5276,10987,10951],{"class":5332},[5276,10989,5512],{"class":5282},[5276,10991,10993,10995,10997,10999,11001,11003,11005,11008],{"class":5278,"line":10992},142,[5276,10994,9803],{"class":5332},[5276,10996,5112],{"class":5282},[5276,10998,5678],{"class":5332},[5276,11000,5112],{"class":5282},[5276,11002,6488],{"class":5286},[5276,11004,5329],{"class":5282},[5276,11006,11007],{"class":5332},"publishedPost",[5276,11009,5512],{"class":5282},[5276,11011,11013],{"class":5278,"line":11012},143,[5276,11014,5427],{"emptyLinePlaceholder":5426},[5276,11016,11018],{"class":5278,"line":11017},144,[5276,11019,9827],{"class":5475},[5276,11021,11023,11025,11027,11029,11031,11033,11035,11038,11040,11043],{"class":5278,"line":11022},145,[5276,11024,9736],{"class":5300},[5276,11026,6604],{"class":5485},[5276,11028,5489],{"class":5282},[5276,11030,5492],{"class":5296},[5276,11032,5850],{"class":5332},[5276,11034,5112],{"class":5282},[5276,11036,11037],{"class":5286},"publishPost",[5276,11039,5329],{"class":5282},[5276,11041,11042],{"class":5332},"postId",[5276,11044,5512],{"class":5282},[5276,11046,11048],{"class":5278,"line":11047},146,[5276,11049,5427],{"emptyLinePlaceholder":5426},[5276,11051,11053],{"class":5278,"line":11052},147,[5276,11054,9859],{"class":5475},[5276,11056,11058,11060,11062,11064,11066,11068,11070,11072,11074,11076],{"class":5278,"line":11057},148,[5276,11059,9864],{"class":5286},[5276,11061,5329],{"class":5282},[5276,11063,6670],{"class":5332},[5276,11065,5112],{"class":5282},[5276,11067,9221],{"class":5332},[5276,11069,6677],{"class":5282},[5276,11071,6680],{"class":5286},[5276,11073,5329],{"class":5282},[5276,11075,9226],{"class":5300},[5276,11077,5512],{"class":5282},[5276,11079,11081,11083,11085,11087,11089,11091,11093,11095],{"class":5278,"line":11080},149,[5276,11082,9864],{"class":5286},[5276,11084,5329],{"class":5282},[5276,11086,9888],{"class":5332},[5276,11088,5112],{"class":5282},[5276,11090,5678],{"class":5332},[5276,11092,6677],{"class":5282},[5276,11094,6705],{"class":5286},[5276,11096,5317],{"class":5282},[5276,11098,11100,11103,11105,11108,11110,11112,11114,11116,11118,11120],{"class":5278,"line":11099},150,[5276,11101,11102],{"class":5332},"        expect",[5276,11104,5112],{"class":5282},[5276,11106,11107],{"class":5286},"objectContaining",[5276,11109,5636],{"class":5282},[5276,11111,6389],{"class":5332},[5276,11113,10876],{"class":5332},[5276,11115,5105],{"class":5282},[5276,11117,9020],{"class":5332},[5276,11119,9023],{"class":5300},[5276,11121,11122],{"class":5282}," })\n",[5276,11124,11126],{"class":5278,"line":11125},151,[5276,11127,11128],{"class":5282},"      );\n",[5276,11130,11132],{"class":5278,"line":11131},152,[5276,11133,9045],{"class":5282},[5276,11135,11137],{"class":5278,"line":11136},153,[5276,11138,5427],{"emptyLinePlaceholder":5426},[5276,11140,11142,11144,11146,11149,11151,11153,11155,11157],{"class":5278,"line":11141},154,[5276,11143,9711],{"class":5286},[5276,11145,5329],{"class":5282},[5276,11147,11148],{"class":5833},"'should throw NotFoundException when post does not exist'",[5276,11150,5105],{"class":5282},[5276,11152,5958],{"class":5300},[5276,11154,5961],{"class":5282},[5276,11156,5840],{"class":5300},[5276,11158,5308],{"class":5282},[5276,11160,11162],{"class":5278,"line":11161},155,[5276,11163,9731],{"class":5475},[5276,11165,11167,11169,11171,11173,11175,11177,11179,11181],{"class":5278,"line":11166},156,[5276,11168,9803],{"class":5332},[5276,11170,5112],{"class":5282},[5276,11172,8655],{"class":5332},[5276,11174,5112],{"class":5282},[5276,11176,6488],{"class":5286},[5276,11178,5329],{"class":5282},[5276,11180,9959],{"class":5300},[5276,11182,5512],{"class":5282},[5276,11184,11186],{"class":5278,"line":11185},157,[5276,11187,5427],{"emptyLinePlaceholder":5426},[5276,11189,11191],{"class":5278,"line":11190},158,[5276,11192,9972],{"class":5475},[5276,11194,11196,11198,11200,11202,11204,11206,11208,11210,11212,11214,11216,11218,11220,11222,11224],{"class":5278,"line":11195},159,[5276,11197,9978],{"class":5296},[5276,11199,9981],{"class":5286},[5276,11201,5329],{"class":5282},[5276,11203,7354],{"class":5332},[5276,11205,5112],{"class":5282},[5276,11207,11037],{"class":5286},[5276,11209,5329],{"class":5282},[5276,11211,9994],{"class":5833},[5276,11213,9997],{"class":5282},[5276,11215,10000],{"class":5332},[5276,11217,5112],{"class":5282},[5276,11219,10005],{"class":5286},[5276,11221,5329],{"class":5282},[5276,11223,9338],{"class":5332},[5276,11225,5512],{"class":5282},[5276,11227,11229],{"class":5278,"line":11228},160,[5276,11230,9045],{"class":5282},[5276,11232,11234],{"class":5278,"line":11233},161,[5276,11235,6344],{"class":5282},[5276,11237,11239],{"class":5278,"line":11238},162,[5276,11240,6775],{"class":5282},[6822,11242,11244],{"id":11243},"ключові-аспекти-мокування-репозиторіїв","Ключові аспекти мокування репозиторіїв",[5167,11246,11247,11250,11251,11254],{},[5130,11248,11249],{},"1. getRepositoryToken(Entity)"," — ця утиліта з ",[5102,11252,11253],{},"@nestjs\u002Ftypeorm"," повертає унікальний injection token для репозиторію. NestJS використовує його для реєстрації та отримання репозиторіїв із DI контейнера. При заміні репозиторію на mock використовуйте цей самий токен.",[5167,11256,11257,11260,11261,11264,11265,7028,11268,11271,11272,5105,11275,11278],{},[5130,11258,11259],{},"2. Часткове мокування"," — не обов'язково мокувати всі методи ",[5102,11262,11263],{},"Repository\u003CT>",". Створюйте лише ті методи, які використовуються у тестованому коді. Якщо ваш сервіс викликає лише ",[5102,11266,11267],{},"findOne()",[5102,11269,11270],{},"save()",", не треба додавати моки для ",[5102,11273,11274],{},"update()",[5102,11276,11277],{},"delete()"," тощо.",[5167,11280,11281,11286,11287,11290,11291,5105,11294,11297],{},[5130,11282,11283,11284],{},"3. Типізація через jest.Mocked",[8765,11285],{}," — використання ",[5102,11288,11289],{},"jest.Mocked\u003CRepository\u003CPost>>"," дає TypeScript підказки для mock методів (",[5102,11292,11293],{},".mockResolvedValue",[5102,11295,11296],{},".toHaveBeenCalledWith","). Без цієї типізації IDE не підказуватиме доступні mock функції.",[5267,11299,11301],{"className":5269,"code":11300,"language":5271,"meta":5272,"style":5272},"\u002F\u002F ✅ З типізацією\nlet repository: jest.Mocked\u003CRepository\u003CPost>>;\nrepository.findOne.mockResolvedValue(\u002F* автокомпліт працює *\u002F);\n\n\u002F\u002F ❌ Без типізації\nlet repository: Repository\u003CPost>;\nrepository.findOne.mockResolvedValue(\u002F* TypeScript помилка: Property 'mockResolvedValue' does not exist *\u002F);\n",[5102,11302,11303,11308,11333,11352,11356,11361,11377],{"__ignoreMap":5272},[5276,11304,11305],{"class":5278,"line":5279},[5276,11306,11307],{"class":5475},"\u002F\u002F ✅ З типізацією\n",[5276,11309,11310,11313,11315,11317,11319,11321,11323,11325,11327,11329,11331],{"class":5278,"line":5293},[5276,11311,11312],{"class":5300},"let",[5276,11314,9420],{"class":5332},[5276,11316,5351],{"class":5282},[5276,11318,5867],{"class":5304},[5276,11320,5112],{"class":5282},[5276,11322,5872],{"class":5304},[5276,11324,5357],{"class":5282},[5276,11326,5354],{"class":5304},[5276,11328,5357],{"class":5282},[5276,11330,8815],{"class":5304},[5276,11332,5883],{"class":5282},[5276,11334,11335,11337,11339,11341,11343,11345,11347,11350],{"class":5278,"line":5311},[5276,11336,9888],{"class":5332},[5276,11338,5112],{"class":5282},[5276,11340,8655],{"class":5332},[5276,11342,5112],{"class":5282},[5276,11344,6488],{"class":5286},[5276,11346,5329],{"class":5282},[5276,11348,11349],{"class":5475},"\u002F* автокомпліт працює *\u002F",[5276,11351,5512],{"class":5282},[5276,11353,11354],{"class":5278,"line":5320},[5276,11355,5427],{"emptyLinePlaceholder":5426},[5276,11357,11358],{"class":5278,"line":5339},[5276,11359,11360],{"class":5475},"\u002F\u002F ❌ Без типізації\n",[5276,11362,11363,11365,11367,11369,11371,11373,11375],{"class":5278,"line":5365},[5276,11364,11312],{"class":5300},[5276,11366,9420],{"class":5332},[5276,11368,5351],{"class":5282},[5276,11370,5354],{"class":5304},[5276,11372,5357],{"class":5282},[5276,11374,8815],{"class":5304},[5276,11376,5904],{"class":5282},[5276,11378,11379,11381,11383,11385,11387,11389,11391,11394],{"class":5278,"line":5383},[5276,11380,9888],{"class":5332},[5276,11382,5112],{"class":5282},[5276,11384,8655],{"class":5332},[5276,11386,5112],{"class":5282},[5276,11388,6488],{"class":5286},[5276,11390,5329],{"class":5282},[5276,11392,11393],{"class":5475},"\u002F* TypeScript помилка: Property 'mockResolvedValue' does not exist *\u002F",[5276,11395,5512],{"class":5282},[7252,11397,11398,11409,11423,11560],{},[5167,11399,11400,11401,11404,11405,11408],{},"Якщо ваш сервіс використовує ",[5130,11402,11403],{},"QueryBuilder"," для складних запитів, мокування стає складнішим, оскільки потрібно імітувати ланцюг методів (",[5102,11406,11407],{},"createQueryBuilder().where().andWhere().getMany()","). У таких випадках розгляньте два підходи:",[7870,11410,11411,11417],{},[5095,11412,11413,11416],{},[5130,11414,11415],{},"Винесіть логіку побудови запиту в окремий метод"," та протестуйте її через Integration тест із реальною БД.",[5095,11418,11419,11422],{},[5130,11420,11421],{},"Створіть mock QueryBuilder"," з усім ланцюгом методів:",[5267,11424,11426],{"className":5269,"code":11425,"language":5271,"meta":5272,"style":5272},"const mockQueryBuilder = {\n  where: jest.fn().mockReturnThis(),\n  andWhere: jest.fn().mockReturnThis(),\n  orderBy: jest.fn().mockReturnThis(),\n  getMany: jest.fn().mockResolvedValue([]),\n  getOne: jest.fn().mockResolvedValue(null),\n};\n\nrepository.createQueryBuilder.mockReturnValue(mockQueryBuilder as any);\n",[5102,11427,11428,11437,11455,11472,11489,11507,11528,11532,11536],{"__ignoreMap":5272},[5276,11429,11430,11432,11435],{"class":5278,"line":5279},[5276,11431,7911],{"class":5300},[5276,11433,11434],{"class":5485}," mockQueryBuilder",[5276,11436,5980],{"class":5282},[5276,11438,11439,11442,11444,11446,11448,11450,11453],{"class":5278,"line":5293},[5276,11440,11441],{"class":5332},"  where:",[5276,11443,5988],{"class":5332},[5276,11445,5112],{"class":5282},[5276,11447,5993],{"class":5286},[5276,11449,7112],{"class":5282},[5276,11451,11452],{"class":5286},"mockReturnThis",[5276,11454,5996],{"class":5282},[5276,11456,11457,11460,11462,11464,11466,11468,11470],{"class":5278,"line":5311},[5276,11458,11459],{"class":5332},"  andWhere:",[5276,11461,5988],{"class":5332},[5276,11463,5112],{"class":5282},[5276,11465,5993],{"class":5286},[5276,11467,7112],{"class":5282},[5276,11469,11452],{"class":5286},[5276,11471,5996],{"class":5282},[5276,11473,11474,11477,11479,11481,11483,11485,11487],{"class":5278,"line":5320},[5276,11475,11476],{"class":5332},"  orderBy:",[5276,11478,5988],{"class":5332},[5276,11480,5112],{"class":5282},[5276,11482,5993],{"class":5286},[5276,11484,7112],{"class":5282},[5276,11486,11452],{"class":5286},[5276,11488,5996],{"class":5282},[5276,11490,11491,11494,11496,11498,11500,11502,11504],{"class":5278,"line":5339},[5276,11492,11493],{"class":5332},"  getMany:",[5276,11495,5988],{"class":5332},[5276,11497,5112],{"class":5282},[5276,11499,5993],{"class":5286},[5276,11501,7112],{"class":5282},[5276,11503,6488],{"class":5286},[5276,11505,11506],{"class":5282},"([]),\n",[5276,11508,11509,11512,11514,11516,11518,11520,11522,11524,11526],{"class":5278,"line":5365},[5276,11510,11511],{"class":5332},"  getOne:",[5276,11513,5988],{"class":5332},[5276,11515,5112],{"class":5282},[5276,11517,5993],{"class":5286},[5276,11519,7112],{"class":5282},[5276,11521,6488],{"class":5286},[5276,11523,5329],{"class":5282},[5276,11525,9959],{"class":5300},[5276,11527,9607],{"class":5282},[5276,11529,11530],{"class":5278,"line":5383},[5276,11531,8636],{"class":5282},[5276,11533,11534],{"class":5278,"line":5400},[5276,11535,5427],{"emptyLinePlaceholder":5426},[5276,11537,11538,11540,11542,11545,11547,11549,11551,11554,11556,11558],{"class":5278,"line":5417},[5276,11539,9888],{"class":5332},[5276,11541,5112],{"class":5282},[5276,11543,11544],{"class":5332},"createQueryBuilder",[5276,11546,5112],{"class":5282},[5276,11548,6529],{"class":5286},[5276,11550,5329],{"class":5282},[5276,11552,11553],{"class":5332},"mockQueryBuilder",[5276,11555,6537],{"class":5296},[5276,11557,7359],{"class":5304},[5276,11559,5512],{"class":5282},[5167,11561,11562],{},"Проте це вже сигнал, що Unit тест стає занадто складним — можливо, краще написати Integration тест для цього сценарію.",[5159,11564],{},[5162,11566,11568],{"id":11567},"мокування-інших-nestjs-сервісів","Мокування інших NestJS сервісів",[5167,11570,11571],{},"Окрім репозиторіїв, сервіси часто залежать від інших сервісів. Розглянемо детально, як мокувати складні залежності.",[6822,11573,11575],{"id":11574},"сервіс-із-кількома-залежностями","Сервіс із кількома залежностями",[5267,11577,11579],{"className":5269,"code":11578,"language":5271,"meta":5272,"style":5272},"\u002F\u002F order\u002Forder.service.ts\n@Injectable()\nexport class OrderService {\n  constructor(\n    @InjectRepository(Order)\n    private readonly orderRepository: Repository\u003COrder>,\n    private readonly userService: UserService,\n    private readonly productService: ProductService,\n    private readonly notificationService: NotificationService,\n  ) {}\n\n  async createOrder(userId: string, productIds: string[]): Promise\u003COrder> {\n    \u002F\u002F 1. Перевірка користувача\n    const user = await this.userService.findById(userId);\n    if (!user.isActive) {\n      throw new BadRequestException('User account is inactive');\n    }\n\n    \u002F\u002F 2. Перевірка товарів\n    const products = await this.productService.findByIds(productIds);\n    if (products.length !== productIds.length) {\n      throw new BadRequestException('Some products not found');\n    }\n\n    \u002F\u002F 3. Розрахунок суми\n    const total = products.reduce((sum, p) => sum + p.price, 0);\n\n    \u002F\u002F 4. Застосування знижки для постійних клієнтів\n    const discount = user.orderCount >= 5 ? total * 0.1 : 0;\n    const finalTotal = total - discount;\n\n    \u002F\u002F 5. Створення замовлення\n    const order = this.orderRepository.create({\n      userId,\n      productIds,\n      total: finalTotal,\n      discount,\n    });\n    await this.orderRepository.save(order);\n\n    \u002F\u002F 6. Відправка нотифікації\n    await this.notificationService.sendOrderCreated(user.email, order.id);\n\n    return order;\n  }\n}\n",[5102,11580,11581,11586,11594,11604,11610,11622,11640,11654,11670,11686,11690,11694,11727,11732,11758,11773,11789,11793,11797,11802,11831,11856,11871,11875,11879,11884,11933,11937,11942,11981,11999,12003,12008,12028,12035,12042,12051,12058,12062,12082,12086,12091,12125,12129,12137,12141],{"__ignoreMap":5272},[5276,11582,11583],{"class":5278,"line":5279},[5276,11584,11585],{"class":5475},"\u002F\u002F order\u002Forder.service.ts\n",[5276,11587,11588,11590,11592],{"class":5278,"line":5293},[5276,11589,5283],{"class":5282},[5276,11591,5287],{"class":5286},[5276,11593,5290],{"class":5282},[5276,11595,11596,11598,11600,11602],{"class":5278,"line":5311},[5276,11597,5297],{"class":5296},[5276,11599,5301],{"class":5300},[5276,11601,5305],{"class":5304},[5276,11603,5308],{"class":5282},[5276,11605,11606,11608],{"class":5278,"line":5320},[5276,11607,5314],{"class":5300},[5276,11609,5317],{"class":5282},[5276,11611,11612,11614,11616,11618,11620],{"class":5278,"line":5339},[5276,11613,5323],{"class":5282},[5276,11615,5326],{"class":5286},[5276,11617,5329],{"class":5282},[5276,11619,5333],{"class":5332},[5276,11621,5336],{"class":5282},[5276,11623,11624,11626,11628,11630,11632,11634,11636,11638],{"class":5278,"line":5365},[5276,11625,5342],{"class":5300},[5276,11627,5345],{"class":5300},[5276,11629,5348],{"class":5332},[5276,11631,5351],{"class":5282},[5276,11633,5354],{"class":5304},[5276,11635,5357],{"class":5282},[5276,11637,5333],{"class":5304},[5276,11639,5362],{"class":5282},[5276,11641,11642,11644,11646,11648,11650,11652],{"class":5278,"line":5383},[5276,11643,5342],{"class":5300},[5276,11645,5345],{"class":5300},[5276,11647,5372],{"class":5332},[5276,11649,5351],{"class":5282},[5276,11651,5377],{"class":5304},[5276,11653,5380],{"class":5282},[5276,11655,11656,11658,11660,11663,11665,11668],{"class":5278,"line":5400},[5276,11657,5342],{"class":5300},[5276,11659,5345],{"class":5300},[5276,11661,11662],{"class":5332}," productService",[5276,11664,5351],{"class":5282},[5276,11666,11667],{"class":5304},"ProductService",[5276,11669,5380],{"class":5282},[5276,11671,11672,11674,11676,11679,11681,11684],{"class":5278,"line":5417},[5276,11673,5342],{"class":5300},[5276,11675,5345],{"class":5300},[5276,11677,11678],{"class":5332}," notificationService",[5276,11680,5351],{"class":5282},[5276,11682,11683],{"class":5304},"NotificationService",[5276,11685,5380],{"class":5282},[5276,11687,11688],{"class":5278,"line":5423},[5276,11689,5420],{"class":5282},[5276,11691,11692],{"class":5278,"line":5430},[5276,11693,5427],{"emptyLinePlaceholder":5426},[5276,11695,11696,11698,11700,11702,11704,11706,11708,11710,11713,11715,11717,11719,11721,11723,11725],{"class":5278,"line":5472},[5276,11697,5433],{"class":5300},[5276,11699,5436],{"class":5286},[5276,11701,5329],{"class":5282},[5276,11703,5441],{"class":5332},[5276,11705,5351],{"class":5282},[5276,11707,5446],{"class":5304},[5276,11709,5105],{"class":5282},[5276,11711,11712],{"class":5332},"productIds",[5276,11714,5351],{"class":5282},[5276,11716,5446],{"class":5304},[5276,11718,5459],{"class":5282},[5276,11720,5462],{"class":5304},[5276,11722,5357],{"class":5282},[5276,11724,5333],{"class":5304},[5276,11726,5469],{"class":5282},[5276,11728,11729],{"class":5278,"line":5479},[5276,11730,11731],{"class":5475},"    \u002F\u002F 1. Перевірка користувача\n",[5276,11733,11734,11736,11738,11740,11742,11744,11746,11748,11750,11752,11754,11756],{"class":5278,"line":5515},[5276,11735,5482],{"class":5300},[5276,11737,5486],{"class":5485},[5276,11739,5489],{"class":5282},[5276,11741,5492],{"class":5296},[5276,11743,5495],{"class":5300},[5276,11745,5112],{"class":5282},[5276,11747,5500],{"class":5332},[5276,11749,5112],{"class":5282},[5276,11751,5505],{"class":5286},[5276,11753,5329],{"class":5282},[5276,11755,5441],{"class":5332},[5276,11757,5512],{"class":5282},[5276,11759,11760,11762,11764,11766,11768,11771],{"class":5278,"line":5521},[5276,11761,8913],{"class":5296},[5276,11763,8916],{"class":5282},[5276,11765,5588],{"class":5332},[5276,11767,5112],{"class":5282},[5276,11769,11770],{"class":5332},"isActive",[5276,11772,8502],{"class":5282},[5276,11774,11775,11777,11779,11782,11784,11787],{"class":5278,"line":5527},[5276,11776,8926],{"class":5296},[5276,11778,8929],{"class":5300},[5276,11780,11781],{"class":5286}," BadRequestException",[5276,11783,5329],{"class":5282},[5276,11785,11786],{"class":5833},"'User account is inactive'",[5276,11788,5512],{"class":5282},[5276,11790,11791],{"class":5278,"line":5551},[5276,11792,8955],{"class":5282},[5276,11794,11795],{"class":5278,"line":5556},[5276,11796,5427],{"emptyLinePlaceholder":5426},[5276,11798,11799],{"class":5278,"line":5562},[5276,11800,11801],{"class":5475},"    \u002F\u002F 2. Перевірка товарів\n",[5276,11803,11804,11806,11809,11811,11813,11815,11817,11820,11822,11825,11827,11829],{"class":5278,"line":5603},[5276,11805,5482],{"class":5300},[5276,11807,11808],{"class":5485}," products",[5276,11810,5489],{"class":5282},[5276,11812,5492],{"class":5296},[5276,11814,5495],{"class":5300},[5276,11816,5112],{"class":5282},[5276,11818,11819],{"class":5332},"productService",[5276,11821,5112],{"class":5282},[5276,11823,11824],{"class":5286},"findByIds",[5276,11826,5329],{"class":5282},[5276,11828,11712],{"class":5332},[5276,11830,5512],{"class":5282},[5276,11832,11833,11835,11837,11840,11842,11845,11848,11850,11852,11854],{"class":5278,"line":5608},[5276,11834,8913],{"class":5296},[5276,11836,5257],{"class":5282},[5276,11838,11839],{"class":5332},"products",[5276,11841,5112],{"class":5282},[5276,11843,11844],{"class":5332},"length",[5276,11846,11847],{"class":5282}," !== ",[5276,11849,11712],{"class":5332},[5276,11851,5112],{"class":5282},[5276,11853,11844],{"class":5332},[5276,11855,8502],{"class":5282},[5276,11857,11858,11860,11862,11864,11866,11869],{"class":5278,"line":5614},[5276,11859,8926],{"class":5296},[5276,11861,8929],{"class":5300},[5276,11863,11781],{"class":5286},[5276,11865,5329],{"class":5282},[5276,11867,11868],{"class":5833},"'Some products not found'",[5276,11870,5512],{"class":5282},[5276,11872,11873],{"class":5278,"line":5664},[5276,11874,8955],{"class":5282},[5276,11876,11877],{"class":5278,"line":5688},[5276,11878,5427],{"emptyLinePlaceholder":5426},[5276,11880,11881],{"class":5278,"line":5693},[5276,11882,11883],{"class":5475},"    \u002F\u002F 3. Розрахунок суми\n",[5276,11885,11886,11888,11890,11892,11894,11896,11899,11902,11905,11907,11909,11912,11914,11917,11920,11922,11924,11927,11929,11931],{"class":5278,"line":5699},[5276,11887,5482],{"class":5300},[5276,11889,5532],{"class":5485},[5276,11891,5489],{"class":5282},[5276,11893,11839],{"class":5332},[5276,11895,5112],{"class":5282},[5276,11897,11898],{"class":5286},"reduce",[5276,11900,11901],{"class":5282},"((",[5276,11903,11904],{"class":5332},"sum",[5276,11906,5105],{"class":5282},[5276,11908,5167],{"class":5332},[5276,11910,11911],{"class":5282},") ",[5276,11913,5840],{"class":5300},[5276,11915,11916],{"class":5332}," sum",[5276,11918,11919],{"class":5282}," + ",[5276,11921,5167],{"class":5332},[5276,11923,5112],{"class":5282},[5276,11925,11926],{"class":5332},"price",[5276,11928,5105],{"class":5282},[5276,11930,7826],{"class":6466},[5276,11932,5512],{"class":5282},[5276,11934,11935],{"class":5278,"line":5731},[5276,11936,5427],{"emptyLinePlaceholder":5426},[5276,11938,11939],{"class":5278,"line":5736},[5276,11940,11941],{"class":5475},"    \u002F\u002F 4. Застосування знижки для постійних клієнтів\n",[5276,11943,11944,11946,11948,11950,11952,11954,11957,11960,11963,11966,11968,11971,11974,11977,11979],{"class":5278,"line":5747},[5276,11945,5482],{"class":5300},[5276,11947,7170],{"class":5485},[5276,11949,5489],{"class":5282},[5276,11951,5588],{"class":5332},[5276,11953,5112],{"class":5282},[5276,11955,11956],{"class":5332},"orderCount",[5276,11958,11959],{"class":5282}," >= ",[5276,11961,11962],{"class":6466},"5",[5276,11964,11965],{"class":5282}," ? ",[5276,11967,5598],{"class":5332},[5276,11969,11970],{"class":5282}," * ",[5276,11972,11973],{"class":6466},"0.1",[5276,11975,11976],{"class":5282}," : ",[5276,11978,7826],{"class":6466},[5276,11980,5744],{"class":5282},[5276,11982,11983,11985,11988,11990,11992,11995,11997],{"class":5278,"line":5753},[5276,11984,5482],{"class":5300},[5276,11986,11987],{"class":5485}," finalTotal",[5276,11989,5489],{"class":5282},[5276,11991,5598],{"class":5332},[5276,11993,11994],{"class":5282}," - ",[5276,11996,7209],{"class":5332},[5276,11998,5744],{"class":5282},[5276,12000,12001],{"class":5278,"line":6281},[5276,12002,5427],{"emptyLinePlaceholder":5426},[5276,12004,12005],{"class":5278,"line":6301},[5276,12006,12007],{"class":5475},"    \u002F\u002F 5. Створення замовлення\n",[5276,12009,12010,12012,12014,12016,12018,12020,12022,12024,12026],{"class":5278,"line":6321},[5276,12011,5482],{"class":5300},[5276,12013,5619],{"class":5485},[5276,12015,5489],{"class":5282},[5276,12017,5537],{"class":5300},[5276,12019,5112],{"class":5282},[5276,12021,5628],{"class":5332},[5276,12023,5112],{"class":5282},[5276,12025,5633],{"class":5286},[5276,12027,6115],{"class":5282},[5276,12029,12030,12033],{"class":5278,"line":6341},[5276,12031,12032],{"class":5332},"      userId",[5276,12034,5380],{"class":5282},[5276,12036,12037,12040],{"class":5278,"line":6347},[5276,12038,12039],{"class":5332},"      productIds",[5276,12041,5380],{"class":5282},[5276,12043,12044,12047,12049],{"class":5278,"line":6352},[5276,12045,12046],{"class":5332},"      total:",[5276,12048,11987],{"class":5332},[5276,12050,5380],{"class":5282},[5276,12052,12053,12056],{"class":5278,"line":6373},[5276,12054,12055],{"class":5332},"      discount",[5276,12057,5380],{"class":5282},[5276,12059,12060],{"class":5278,"line":6379},[5276,12061,9045],{"class":5282},[5276,12063,12064,12066,12068,12070,12072,12074,12076,12078,12080],{"class":5278,"line":6414},[5276,12065,5667],{"class":5296},[5276,12067,5495],{"class":5300},[5276,12069,5112],{"class":5282},[5276,12071,5628],{"class":5332},[5276,12073,5112],{"class":5282},[5276,12075,5678],{"class":5286},[5276,12077,5329],{"class":5282},[5276,12079,5683],{"class":5332},[5276,12081,5512],{"class":5282},[5276,12083,12084],{"class":5278,"line":6439},[5276,12085,5427],{"emptyLinePlaceholder":5426},[5276,12087,12088],{"class":5278,"line":6472},[5276,12089,12090],{"class":5475},"    \u002F\u002F 6. Відправка нотифікації\n",[5276,12092,12093,12095,12097,12099,12102,12104,12107,12109,12111,12113,12115,12117,12119,12121,12123],{"class":5278,"line":6477},[5276,12094,5667],{"class":5296},[5276,12096,5495],{"class":5300},[5276,12098,5112],{"class":5282},[5276,12100,12101],{"class":5332},"notificationService",[5276,12103,5112],{"class":5282},[5276,12105,12106],{"class":5286},"sendOrderCreated",[5276,12108,5329],{"class":5282},[5276,12110,5588],{"class":5332},[5276,12112,5112],{"class":5282},[5276,12114,5722],{"class":5332},[5276,12116,5105],{"class":5282},[5276,12118,5683],{"class":5332},[5276,12120,5112],{"class":5282},[5276,12122,5658],{"class":5332},[5276,12124,5512],{"class":5282},[5276,12126,12127],{"class":5278,"line":6498},[5276,12128,5427],{"emptyLinePlaceholder":5426},[5276,12130,12131,12133,12135],{"class":5278,"line":6518},[5276,12132,5739],{"class":5296},[5276,12134,5619],{"class":5332},[5276,12136,5744],{"class":5282},[5276,12138,12139],{"class":5278,"line":6545},[5276,12140,5750],{"class":5282},[5276,12142,12143],{"class":5278,"line":6568},[5276,12144,5756],{"class":5282},[5167,12146,12147],{},"Тест для цього методу:",[5267,12149,12151],{"className":5269,"code":12150,"language":5271,"meta":5272,"style":5272},"describe('OrderService', () => {\n  let service: OrderService;\n  let orderRepository: jest.Mocked\u003CRepository\u003COrder>>;\n  let userService: jest.Mocked\u003CUserService>;\n  let productService: jest.Mocked\u003CProductService>;\n  let notificationService: jest.Mocked\u003CNotificationService>;\n\n  beforeEach(async () => {\n    const mockOrderRepo = {\n      create: jest.fn(),\n      save: jest.fn(),\n      findOne: jest.fn(),\n    };\n\n    const mockUserService = {\n      findById: jest.fn(),\n    };\n\n    const mockProductService = {\n      findByIds: jest.fn(),\n    };\n\n    const mockNotificationService = {\n      sendOrderCreated: jest.fn(),\n    };\n\n    const module = await Test.createTestingModule({\n      providers: [\n        OrderService,\n        { provide: getRepositoryToken(Order), useValue: mockOrderRepo },\n        { provide: UserService, useValue: mockUserService },\n        { provide: ProductService, useValue: mockProductService },\n        { provide: NotificationService, useValue: mockNotificationService },\n      ],\n    }).compile();\n\n    service = module.get\u003COrderService>(OrderService);\n    orderRepository = module.get(getRepositoryToken(Order));\n    userService = module.get(UserService);\n    productService = module.get(ProductService);\n    notificationService = module.get(NotificationService);\n  });\n\n  describe('createOrder', () => {\n    it('should create order with correct total and discount for regular customer', async () => {\n      \u002F\u002F Arrange\n      const userId = 'user-1';\n      const productIds = ['prod-1', 'prod-2'];\n\n      const mockUser = {\n        id: userId,\n        email: 'regular@test.com',\n        isActive: true,\n        orderCount: 7, \u002F\u002F Постійний клієнт\n      };\n\n      const mockProducts = [\n        { id: 'prod-1', name: 'Product 1', price: 100 },\n        { id: 'prod-2', name: 'Product 2', price: 50 },\n      ];\n\n      const mockOrder = {\n        id: 'order-123',\n        userId,\n        productIds,\n        total: 135, \u002F\u002F 150 - 15 (10% знижка)\n        discount: 15,\n      } as Order;\n\n      userService.findById.mockResolvedValue(mockUser as any);\n      productService.findByIds.mockResolvedValue(mockProducts as any);\n      orderRepository.create.mockReturnValue(mockOrder);\n      orderRepository.save.mockResolvedValue(mockOrder);\n      notificationService.sendOrderCreated.mockResolvedValue(undefined);\n\n      \u002F\u002F Act\n      const result = await service.createOrder(userId, productIds);\n\n      \u002F\u002F Assert\n      expect(result.total).toBe(135);\n      expect(result.discount).toBe(15);\n      expect(orderRepository.create).toHaveBeenCalledWith({\n        userId,\n        productIds,\n        total: 135,\n        discount: 15,\n      });\n      expect(notificationService.sendOrderCreated).toHaveBeenCalledWith('regular@test.com', 'order-123');\n    });\n\n    it('should create order without discount for new customer', async () => {\n      \u002F\u002F Arrange\n      const mockUser = {\n        id: 'user-2',\n        email: 'new@test.com',\n        isActive: true,\n        orderCount: 2, \u002F\u002F Менше 5 замовлень\n      };\n\n      const mockProducts = [{ id: 'prod-1', price: 100 }];\n\n      userService.findById.mockResolvedValue(mockUser as any);\n      productService.findByIds.mockResolvedValue(mockProducts as any);\n      orderRepository.create.mockReturnValue({ total: 100, discount: 0 } as Order);\n      orderRepository.save.mockResolvedValue({ total: 100, discount: 0 } as Order);\n\n      \u002F\u002F Act\n      const result = await service.createOrder('user-2', ['prod-1']);\n\n      \u002F\u002F Assert\n      expect(result.total).toBe(100);\n      expect(result.discount).toBe(0); \u002F\u002F Без знижки\n    });\n\n    it('should throw BadRequestException when user is inactive', async () => {\n      \u002F\u002F Arrange\n      const mockUser = { id: 'user-3', isActive: false };\n      userService.findById.mockResolvedValue(mockUser as any);\n\n      \u002F\u002F Act & Assert\n      await expect(service.createOrder('user-3', ['prod-1']))\n        .rejects.toThrow(BadRequestException);\n      \n      await expect(service.createOrder('user-3', ['prod-1']))\n        .rejects.toThrow('User account is inactive');\n\n      \u002F\u002F Перевіряємо, що репозиторій НЕ був викликаний\n      expect(orderRepository.save).not.toHaveBeenCalled();\n    });\n\n    it('should throw BadRequestException when some products not found', async () => {\n      \u002F\u002F Arrange\n      const mockUser = { id: 'user-4', isActive: true, orderCount: 0 };\n      userService.findById.mockResolvedValue(mockUser as any);\n      \n      \u002F\u002F Повертаємо лише 1 продукт замість 2\n      productService.findByIds.mockResolvedValue([{ id: 'prod-1', price: 100 }] as any);\n\n      \u002F\u002F Act & Assert\n      await expect(service.createOrder('user-4', ['prod-1', 'prod-2']))\n        .rejects.toThrow('Some products not found');\n\n      expect(orderRepository.save).not.toHaveBeenCalled();\n    });\n  });\n});\n",[5102,12152,12153,12167,12179,12203,12223,12243,12263,12267,12281,12289,12301,12313,12325,12329,12333,12341,12354,12358,12362,12371,12384,12388,12392,12401,12414,12418,12422,12440,12446,12452,12472,12488,12505,12522,12526,12534,12538,12560,12582,12600,12619,12638,12642,12646,12661,12680,12684,12698,12719,12723,12731,12739,12749,12758,12770,12775,12779,12788,12813,12837,12842,12846,12854,12863,12870,12877,12890,12900,12910,12914,12937,12961,12980,12998,13017,13021,13025,13051,13055,13059,13082,13104,13122,13128,13134,13142,13150,13154,13182,13186,13190,13209,13213,13221,13230,13238,13246,13257,13261,13265,13287,13291,13313,13335,13369,13401,13405,13409,13438,13442,13446,13468,13493,13497,13501,13520,13524,13546,13568,13572,13576,13602,13620,13624,13648,13664,13668,13673,13696,13700,13704,13723,13727,13754,13776,13780,13785,13819,13823,13827,13856,13872,13876,13898,13902,13906],{"__ignoreMap":5272},[5276,12154,12155,12157,12159,12161,12163,12165],{"class":5278,"line":5279},[5276,12156,5828],{"class":5286},[5276,12158,5329],{"class":5282},[5276,12160,5834],{"class":5833},[5276,12162,5837],{"class":5282},[5276,12164,5840],{"class":5300},[5276,12166,5308],{"class":5282},[5276,12168,12169,12171,12173,12175,12177],{"class":5278,"line":5293},[5276,12170,5847],{"class":5300},[5276,12172,5850],{"class":5332},[5276,12174,5351],{"class":5282},[5276,12176,5786],{"class":5304},[5276,12178,5744],{"class":5282},[5276,12180,12181,12183,12185,12187,12189,12191,12193,12195,12197,12199,12201],{"class":5278,"line":5311},[5276,12182,5847],{"class":5300},[5276,12184,5348],{"class":5332},[5276,12186,5351],{"class":5282},[5276,12188,5867],{"class":5304},[5276,12190,5112],{"class":5282},[5276,12192,5872],{"class":5304},[5276,12194,5357],{"class":5282},[5276,12196,5354],{"class":5304},[5276,12198,5357],{"class":5282},[5276,12200,5333],{"class":5304},[5276,12202,5883],{"class":5282},[5276,12204,12205,12207,12209,12211,12213,12215,12217,12219,12221],{"class":5278,"line":5320},[5276,12206,5847],{"class":5300},[5276,12208,5372],{"class":5332},[5276,12210,5351],{"class":5282},[5276,12212,5867],{"class":5304},[5276,12214,5112],{"class":5282},[5276,12216,5872],{"class":5304},[5276,12218,5357],{"class":5282},[5276,12220,5377],{"class":5304},[5276,12222,5904],{"class":5282},[5276,12224,12225,12227,12229,12231,12233,12235,12237,12239,12241],{"class":5278,"line":5339},[5276,12226,5847],{"class":5300},[5276,12228,11662],{"class":5332},[5276,12230,5351],{"class":5282},[5276,12232,5867],{"class":5304},[5276,12234,5112],{"class":5282},[5276,12236,5872],{"class":5304},[5276,12238,5357],{"class":5282},[5276,12240,11667],{"class":5304},[5276,12242,5904],{"class":5282},[5276,12244,12245,12247,12249,12251,12253,12255,12257,12259,12261],{"class":5278,"line":5365},[5276,12246,5847],{"class":5300},[5276,12248,11678],{"class":5332},[5276,12250,5351],{"class":5282},[5276,12252,5867],{"class":5304},[5276,12254,5112],{"class":5282},[5276,12256,5872],{"class":5304},[5276,12258,5357],{"class":5282},[5276,12260,11683],{"class":5304},[5276,12262,5904],{"class":5282},[5276,12264,12265],{"class":5278,"line":5383},[5276,12266,5427],{"emptyLinePlaceholder":5426},[5276,12268,12269,12271,12273,12275,12277,12279],{"class":5278,"line":5400},[5276,12270,5953],{"class":5286},[5276,12272,5329],{"class":5282},[5276,12274,5958],{"class":5300},[5276,12276,5961],{"class":5282},[5276,12278,5840],{"class":5300},[5276,12280,5308],{"class":5282},[5276,12282,12283,12285,12287],{"class":5278,"line":5417},[5276,12284,5482],{"class":5300},[5276,12286,5977],{"class":5485},[5276,12288,5980],{"class":5282},[5276,12290,12291,12293,12295,12297,12299],{"class":5278,"line":5423},[5276,12292,5985],{"class":5332},[5276,12294,5988],{"class":5332},[5276,12296,5112],{"class":5282},[5276,12298,5993],{"class":5286},[5276,12300,5996],{"class":5282},[5276,12302,12303,12305,12307,12309,12311],{"class":5278,"line":5430},[5276,12304,6001],{"class":5332},[5276,12306,5988],{"class":5332},[5276,12308,5112],{"class":5282},[5276,12310,5993],{"class":5286},[5276,12312,5996],{"class":5282},[5276,12314,12315,12317,12319,12321,12323],{"class":5278,"line":5472},[5276,12316,6014],{"class":5332},[5276,12318,5988],{"class":5332},[5276,12320,5112],{"class":5282},[5276,12322,5993],{"class":5286},[5276,12324,5996],{"class":5282},[5276,12326,12327],{"class":5278,"line":5479},[5276,12328,6027],{"class":5282},[5276,12330,12331],{"class":5278,"line":5515},[5276,12332,5427],{"emptyLinePlaceholder":5426},[5276,12334,12335,12337,12339],{"class":5278,"line":5521},[5276,12336,5482],{"class":5300},[5276,12338,6034],{"class":5485},[5276,12340,5980],{"class":5282},[5276,12342,12343,12346,12348,12350,12352],{"class":5278,"line":5527},[5276,12344,12345],{"class":5332}," 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findByIds:",[5276,12377,5988],{"class":5332},[5276,12379,5112],{"class":5282},[5276,12381,5993],{"class":5286},[5276,12383,5996],{"class":5282},[5276,12385,12386],{"class":5278,"line":5608},[5276,12387,6027],{"class":5282},[5276,12389,12390],{"class":5278,"line":5614},[5276,12391,5427],{"emptyLinePlaceholder":5426},[5276,12393,12394,12396,12399],{"class":5278,"line":5664},[5276,12395,5482],{"class":5300},[5276,12397,12398],{"class":5485}," mockNotificationService",[5276,12400,5980],{"class":5282},[5276,12402,12403,12406,12408,12410,12412],{"class":5278,"line":5688},[5276,12404,12405],{"class":5332},"      sendOrderCreated:",[5276,12407,5988],{"class":5332},[5276,12409,5112],{"class":5282},[5276,12411,5993],{"class":5286},[5276,12413,5996],{"class":5282},[5276,12415,12416],{"class":5278,"line":5693},[5276,12417,6027],{"class":5282},[5276,12419,12420],{"class":5278,"line":5699},[5276,12421,5427],{"emptyLinePlaceholder":5426},[5276,12423,12424,12426,12428,12430,12432,12434,12436,12438],{"class":5278,"line":5731},[5276,12425,5482],{"class":5300},[5276,12427,6100],{"class":5485},[5276,12429,5489],{"class":5282},[5276,12431,5492],{"class":5296},[5276,12433,6107],{"class":5332},[5276,12435,5112],{"class":5282},[5276,12437,6112],{"class":5286},[5276,12439,6115],{"class":5282},[5276,12441,12442,12444],{"class":5278,"line":5736},[5276,12443,6120],{"class":5332},[5276,12445,6123],{"class":5282},[5276,12447,12448,12450],{"class":5278,"line":5747},[5276,12449,6128],{"class":5332},[5276,12451,5380],{"class":5282},[5276,12453,12454,12456,12458,12460,12462,12464,12466,12468,12470],{"class":5278,"line":5753},[5276,12455,6135],{"class":5282},[5276,12457,6138],{"class":5332},[5276,12459,6141],{"class":5286},[5276,12461,5329],{"class":5282},[5276,12463,5333],{"class":5332},[5276,12465,6148],{"class":5282},[5276,12467,6151],{"class":5332},[5276,12469,5977],{"class":5332},[5276,12471,6156],{"class":5282},[5276,12473,12474,12476,12478,12480,12482,12484,12486],{"class":5278,"line":6281},[5276,12475,6135],{"class":5282},[5276,12477,6138],{"class":5332},[5276,12479,6165],{"class":5332},[5276,12481,5105],{"class":5282},[5276,12483,6151],{"class":5332},[5276,12485,6034],{"class":5332},[5276,12487,6156],{"class":5282},[5276,12489,12490,12492,12494,12497,12499,12501,12503],{"class":5278,"line":6301},[5276,12491,6135],{"class":5282},[5276,12493,6138],{"class":5332},[5276,12495,12496],{"class":5332}," ProductService",[5276,12498,5105],{"class":5282},[5276,12500,6151],{"class":5332},[5276,12502,12368],{"class":5332},[5276,12504,6156],{"class":5282},[5276,12506,12507,12509,12511,12514,12516,12518,12520],{"class":5278,"line":6321},[5276,12508,6135],{"class":5282},[5276,12510,6138],{"class":5332},[5276,12512,12513],{"class":5332}," NotificationService",[5276,12515,5105],{"class":5282},[5276,12517,6151],{"class":5332},[5276,12519,12398],{"class":5332},[5276,12521,6156],{"class":5282},[5276,12523,12524],{"class":5278,"line":6341},[5276,12525,6212],{"class":5282},[5276,12527,12528,12530,12532],{"class":5278,"line":6347},[5276,12529,6217],{"class":5282},[5276,12531,6220],{"class":5286},[5276,12533,6223],{"class":5282},[5276,12535,12536],{"class":5278,"line":6352},[5276,12537,5427],{"emptyLinePlaceholder":5426},[5276,12539,12540,12542,12544,12546,12548,12550,12552,12554,12556,12558],{"class":5278,"line":6373},[5276,12541,6232],{"class":5332},[5276,12543,5489],{"class":5282},[5276,12545,6237],{"class":5304},[5276,12547,5112],{"class":5282},[5276,12549,6242],{"class":5286},[5276,12551,5357],{"class":5282},[5276,12553,5786],{"class":5304},[5276,12555,6249],{"class":5282},[5276,12557,5786],{"class":5332},[5276,12559,5512],{"class":5282},[5276,12561,12562,12564,12566,12568,12570,12572,12574,12576,12578,12580],{"class":5278,"line":6379},[5276,12563,6258],{"class":5332},[5276,12565,5489],{"class":5282},[5276,12567,6237],{"class":5304},[5276,12569,5112],{"class":5282},[5276,12571,6242],{"class":5286},[5276,12573,5329],{"class":5282},[5276,12575,6271],{"class":5286},[5276,12577,5329],{"class":5282},[5276,12579,5333],{"class":5332},[5276,12581,6278],{"class":5282},[5276,12583,12584,12586,12588,12590,12592,12594,12596,12598],{"class":5278,"line":6414},[5276,12585,6284],{"class":5332},[5276,12587,5489],{"class":5282},[5276,12589,6237],{"class":5304},[5276,12591,5112],{"class":5282},[5276,12593,6242],{"class":5286},[5276,12595,5329],{"class":5282},[5276,12597,5377],{"class":5332},[5276,12599,5512],{"class":5282},[5276,12601,12602,12605,12607,12609,12611,12613,12615,12617],{"class":5278,"line":6439},[5276,12603,12604],{"class":5332}," 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notificationService",[5276,12625,5489],{"class":5282},[5276,12627,6237],{"class":5304},[5276,12629,5112],{"class":5282},[5276,12631,6242],{"class":5286},[5276,12633,5329],{"class":5282},[5276,12635,11683],{"class":5332},[5276,12637,5512],{"class":5282},[5276,12639,12640],{"class":5278,"line":6477},[5276,12641,6344],{"class":5282},[5276,12643,12644],{"class":5278,"line":6498},[5276,12645,5427],{"emptyLinePlaceholder":5426},[5276,12647,12648,12650,12652,12655,12657,12659],{"class":5278,"line":6518},[5276,12649,9695],{"class":5286},[5276,12651,5329],{"class":5282},[5276,12653,12654],{"class":5833},"'createOrder'",[5276,12656,5837],{"class":5282},[5276,12658,5840],{"class":5300},[5276,12660,5308],{"class":5282},[5276,12662,12663,12665,12667,12670,12672,12674,12676,12678],{"class":5278,"line":6545},[5276,12664,9711],{"class":5286},[5276,12666,5329],{"class":5282},[5276,12668,12669],{"class":5833},"'should create order with correct total and discount for regular customer'",[5276,12671,5105],{"class":5282},[5276,12673,5958],{"class":5300},[5276,12675,5961],{"class":5282},[5276,12677,5840],{"class":5300},[5276,12679,5308],{"class":5282},[5276,12681,12682],{"class":5278,"line":6568},[5276,12683,9731],{"class":5475},[5276,12685,12686,12688,12691,12693,12696],{"class":5278,"line":6588},[5276,12687,9736],{"class":5300},[5276,12689,12690],{"class":5485}," userId",[5276,12692,5489],{"class":5282},[5276,12694,12695],{"class":5833},"'user-1'",[5276,12697,5744],{"class":5282},[5276,12699,12700,12702,12705,12708,12711,12713,12716],{"class":5278,"line":6593},[5276,12701,9736],{"class":5300},[5276,12703,12704],{"class":5485}," productIds",[5276,12706,12707],{"class":5282}," = [",[5276,12709,12710],{"class":5833},"'prod-1'",[5276,12712,5105],{"class":5282},[5276,12714,12715],{"class":5833},"'prod-2'",[5276,12717,12718],{"class":5282},"];\n",[5276,12720,12721],{"class":5278,"line":6599},[5276,12722,5427],{"emptyLinePlaceholder":5426},[5276,12724,12725,12727,12729],{"class":5278,"line":6651},[5276,12726,9736],{"class":5300},[5276,12728,6384],{"class":5485},[5276,12730,5980],{"class":5282},[5276,12732,12733,12735,12737],{"class":5278,"line":6656},[5276,12734,9746],{"class":5332},[5276,12736,12690],{"class":5332},[5276,12738,5380],{"class":5282},[5276,12740,12741,12744,12747],{"class":5278,"line":6662},[5276,12742,12743],{"class":5332},"        email:",[5276,12745,12746],{"class":5833}," 'regular@test.com'",[5276,12748,5380],{"class":5282},[5276,12750,12751,12754,12756],{"class":5278,"line":6690},[5276,12752,12753],{"class":5332},"        isActive:",[5276,12755,9023],{"class":5300},[5276,12757,5380],{"class":5282},[5276,12759,12760,12763,12765,12767],{"class":5278,"line":6719},[5276,12761,12762],{"class":5332},"        orderCount:",[5276,12764,7128],{"class":6466},[5276,12766,5105],{"class":5282},[5276,12768,12769],{"class":5475},"\u002F\u002F Постійний клієнт\n",[5276,12771,12772],{"class":5278,"line":6739},[5276,12773,12774],{"class":5282},"      };\n",[5276,12776,12777],{"class":5278,"line":6767},[5276,12778,5427],{"emptyLinePlaceholder":5426},[5276,12780,12781,12783,12786],{"class":5278,"line":6772},[5276,12782,9736],{"class":5300},[5276,12784,12785],{"class":5485}," mockProducts",[5276,12787,10112],{"class":5282},[5276,12789,12790,12792,12794,12797,12799,12802,12805,12807,12809,12811],{"class":5278,"line":9919},[5276,12791,6135],{"class":5282},[5276,12793,6389],{"class":5332},[5276,12795,12796],{"class":5833}," 'prod-1'",[5276,12798,5105],{"class":5282},[5276,12800,12801],{"class":5332},"name:",[5276,12803,12804],{"class":5833}," 'Product 1'",[5276,12806,5105],{"class":5282},[5276,12808,6634],{"class":5332},[5276,12810,6467],{"class":6466},[5276,12812,6156],{"class":5282},[5276,12814,12815,12817,12819,12822,12824,12826,12829,12831,12833,12835],{"class":5278,"line":9939},[5276,12816,6135],{"class":5282},[5276,12818,6389],{"class":5332},[5276,12820,12821],{"class":5833}," 'prod-2'",[5276,12823,5105],{"class":5282},[5276,12825,12801],{"class":5332},[5276,12827,12828],{"class":5833}," 'Product 2'",[5276,12830,5105],{"class":5282},[5276,12832,6634],{"class":5332},[5276,12834,6637],{"class":6466},[5276,12836,6156],{"class":5282},[5276,12838,12839],{"class":5278,"line":9944},[5276,12840,12841],{"class":5282},"      ];\n",[5276,12843,12844],{"class":5278,"line":9964},[5276,12845,5427],{"emptyLinePlaceholder":5426},[5276,12847,12848,12850,12852],{"class":5278,"line":9969},[5276,12849,9736],{"class":5300},[5276,12851,6444],{"class":5485},[5276,12853,5980],{"class":5282},[5276,12855,12856,12858,12861],{"class":5278,"line":9975},[5276,12857,9746],{"class":5332},[5276,12859,12860],{"class":5833}," 'order-123'",[5276,12862,5380],{"class":5282},[5276,12864,12865,12868],{"class":5278,"line":10014},[5276,12866,12867],{"class":5332},"        userId",[5276,12869,5380],{"class":5282},[5276,12871,12872,12875],{"class":5278,"line":10048},[5276,12873,12874],{"class":5332},"        productIds",[5276,12876,5380],{"class":5282},[5276,12878,12879,12882,12885,12887],{"class":5278,"line":10053},[5276,12880,12881],{"class":5332},"        total:",[5276,12883,12884],{"class":6466}," 135",[5276,12886,5105],{"class":5282},[5276,12888,12889],{"class":5475},"\u002F\u002F 150 - 15 (10% 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       .",[5276,13608,10000],{"class":5332},[5276,13610,5112],{"class":5282},[5276,13612,10005],{"class":5286},[5276,13614,5329],{"class":5282},[5276,13616,13617],{"class":5332},"BadRequestException",[5276,13619,5512],{"class":5282},[5276,13621,13622],{"class":5278,"line":10760},[5276,13623,9798],{"class":5282},[5276,13625,13626,13628,13630,13632,13634,13636,13638,13640,13642,13644,13646],{"class":5278,"line":10765},[5276,13627,9978],{"class":5296},[5276,13629,9981],{"class":5286},[5276,13631,5329],{"class":5282},[5276,13633,7354],{"class":5332},[5276,13635,5112],{"class":5282},[5276,13637,6615],{"class":5286},[5276,13639,5329],{"class":5282},[5276,13641,13594],{"class":5833},[5276,13643,13432],{"class":5282},[5276,13645,12710],{"class":5833},[5276,13647,13601],{"class":5282},[5276,13649,13650,13652,13654,13656,13658,13660,13662],{"class":5278,"line":10788},[5276,13651,13606],{"class":5282},[5276,13653,10000],{"class":5332},[5276,13655,5112],{"class":5282},[5276,13657,10005],{"class":5286},[5276,13659,5329],{"class":5282},[5276,13661,11786],{"class":5833},[5276,13663,5512],{"class":5282},[5276,13665,13666],{"class":5278,"line":10815},[5276,13667,5427],{"emptyLinePlaceholder":5426},[5276,13669,13670],{"class":5278,"line":10820},[5276,13671,13672],{"class":5475},"      \u002F\u002F Перевіряємо, що репозиторій НЕ був викликаний\n",[5276,13674,13675,13677,13679,13681,13683,13685,13687,13690,13692,13694],{"class":5278,"line":10825},[5276,13676,9864],{"class":5286},[5276,13678,5329],{"class":5282},[5276,13680,5628],{"class":5332},[5276,13682,5112],{"class":5282},[5276,13684,5678],{"class":5332},[5276,13686,6677],{"class":5282},[5276,13688,13689],{"class":5332},"not",[5276,13691,5112],{"class":5282},[5276,13693,6734],{"class":5286},[5276,13695,6223],{"class":5282},[5276,13697,13698],{"class":5278,"line":10830},[5276,13699,9045],{"class":5282},[5276,13701,13702],{"class":5278,"line":10846},[5276,13703,5427],{"emptyLinePlaceholder":5426},[5276,13705,13706,13708,13710,13713,13715,13717,13719,13721],{"class":5278,"line":10866},[5276,13707,9711],{"class":5286},[5276,13709,5329],{"class":5282},[5276,13711,13712],{"class":5833},"'should throw BadRequestException when some products not found'",[5276,13714,5105],{"class":5282},[5276,13716,5958],{"class":5300},[5276,13718,5961],{"class":5282},[5276,13720,5840],{"class":5300},[5276,13722,5308],{"class":5282},[5276,13724,13725],{"class":5278,"line":10871},[5276,13726,9731],{"class":5475},[5276,13728,13729,13731,13733,13735,13737,13740,13742,13744,13746,13748,13750,13752],{"class":5278,"line":10886},[5276,13730,9736],{"class":5300},[5276,13732,6384],{"class":5485},[5276,13734,6037],{"class":5282},[5276,13736,6389],{"class":5332},[5276,13738,13739],{"class":5833}," 'user-4'",[5276,13741,5105],{"class":5282},[5276,13743,13541],{"class":5332},[5276,13745,9023],{"class":5300},[5276,13747,5105],{"class":5282},[5276,13749,7125],{"class":5332},[5276,13751,13360],{"class":6466},[5276,13753,6411],{"class":5282},[5276,13755,13756,13758,13760,13762,13764,13766,13768,13770,13772,13774],{"class":5278,"line":10896},[5276,13757,12918],{"class":5332},[5276,13759,5112],{"class":5282},[5276,13761,5505],{"class":5332},[5276,13763,5112],{"class":5282},[5276,13765,6488],{"class":5286},[5276,13767,5329],{"class":5282},[5276,13769,6493],{"class":5332},[5276,13771,6537],{"class":5296},[5276,13773,7359],{"class":5304},[5276,13775,5512],{"class":5282},[5276,13777,13778],{"class":5278,"line":10905},[5276,13779,9798],{"class":5282},[5276,13781,13782],{"class":5278,"line":10915},[5276,13783,13784],{"class":5475},"      \u002F\u002F Повертаємо лише 1 продукт замість 2\n",[5276,13786,13787,13789,13791,13793,13795,13797,13800,13802,13804,13806,13808,13810,13813,13815,13817],{"class":5278,"line":10924},[5276,13788,12941],{"class":5332},[5276,13790,5112],{"class":5282},[5276,13792,11824],{"class":5332},[5276,13794,5112],{"class":5282},[5276,13796,6488],{"class":5286},[5276,13798,13799],{"class":5282},"([{ ",[5276,13801,6389],{"class":5332},[5276,13803,12796],{"class":5833},[5276,13805,5105],{"class":5282},[5276,13807,6634],{"class":5332},[5276,13809,6467],{"class":6466},[5276,13811,13812],{"class":5282}," }] ",[5276,13814,9788],{"class":5296},[5276,13816,7359],{"class":5304},[5276,13818,5512],{"class":5282},[5276,13820,13821],{"class":5278,"line":10935},[5276,13822,5427],{"emptyLinePlaceholder":5426},[5276,13824,13825],{"class":5278,"line":10940},[5276,13826,9972],{"class":5475},[5276,13828,13829,13831,13833,13835,13837,13839,13841,13843,13846,13848,13850,13852,13854],{"class":5278,"line":10968},[5276,13830,9978],{"class":5296},[5276,13832,9981],{"class":5286},[5276,13834,5329],{"class":5282},[5276,13836,7354],{"class":5332},[5276,13838,5112],{"class":5282},[5276,13840,6615],{"class":5286},[5276,13842,5329],{"class":5282},[5276,13844,13845],{"class":5833},"'user-4'",[5276,13847,13432],{"class":5282},[5276,13849,12710],{"class":5833},[5276,13851,5105],{"class":5282},[5276,13853,12715],{"class":5833},[5276,13855,13601],{"class":5282},[5276,13857,13858,13860,13862,13864,13866,13868,13870],{"class":5278,"line":10973},[5276,13859,13606],{"class":5282},[5276,13861,10000],{"class":5332},[5276,13863,5112],{"class":5282},[5276,13865,10005],{"class":5286},[5276,13867,5329],{"class":5282},[5276,13869,11868],{"class":5833},[5276,13871,5512],{"class":5282},[5276,13873,13874],{"class":5278,"line":10992},[5276,13875,5427],{"emptyLinePlaceholder":5426},[5276,13877,13878,13880,13882,13884,13886,13888,13890,13892,13894,13896],{"class":5278,"line":11012},[5276,13879,9864],{"class":5286},[5276,13881,5329],{"class":5282},[5276,13883,5628],{"class":5332},[5276,13885,5112],{"class":5282},[5276,13887,5678],{"class":5332},[5276,13889,6677],{"class":5282},[5276,13891,13689],{"class":5332},[5276,13893,5112],{"class":5282},[5276,13895,6734],{"class":5286},[5276,13897,6223],{"class":5282},[5276,13899,13900],{"class":5278,"line":11017},[5276,13901,9045],{"class":5282},[5276,13903,13904],{"class":5278,"line":11022},[5276,13905,6344],{"class":5282},[5276,13907,13908],{"class":5278,"line":11047},[5276,13909,6775],{"class":5282},[5167,13911,13912],{},"Цей тест демонструє кілька важливих концепцій:",[5167,13914,13915,13918,13919,5112],{},[5130,13916,13917],{},"1. Мокування кількох залежностей одночасно."," Кожен mock налаштовується незалежно через ",[5102,13920,5111],{},[5167,13922,13923,13926],{},[5130,13924,13925],{},"2. Перевірка бізнес-логіки."," Ми тестуємо розрахунок знижки (10% для клієнтів із 5+ замовленнями) та коректність підсумкової суми.",[5167,13928,13929,13932],{},[5130,13930,13931],{},"3. Перевірка обробки помилок."," Окремі тести для випадків, коли користувач неактивний або товари не знайдені.",[5167,13934,13935,13938],{},[5130,13936,13937],{},"4. Перевірка side effects."," Assertion на те, що нотифікація була відправлена з правильними параметрами.",[5167,13940,13941,13944,13945,13948,13949,13952,13953,13956],{},[5130,13942,13943],{},"5. Негативні assertions."," ",[5102,13946,13947],{},"expect(...).not.toHaveBeenCalled()"," — перевірка, що певні методи ",[5130,13950,13951],{},"не були викликані"," у сценарії помилки (наприклад, ",[5102,13954,13955],{},"orderRepository.save()"," не має викликатися, якщо валідація провалилася).",[5159,13958],{},[5162,13960,13962],{"id":13961},"assertions-на-виклики-методів","Assertions на виклики методів",[5167,13964,13965,13966,7028,13969,13972],{},"Перевірка того, ",[5130,13967,13968],{},"чи був викликаний метод",[5130,13970,13971],{},"з якими аргументами",", є критично важливою для Unit тестів, що перевіряють взаємодію між компонентами. Jest надає потужний набір matchers для таких перевірок.",[6822,13974,13976],{"id":13975},"tohavebeencalled-базова-перевірка-виклику","toHaveBeenCalled() — базова перевірка виклику",[5167,13978,13979],{},"Найпростіший matcher — перевірка, що функція була викликана принаймні один раз:",[5267,13981,13983],{"className":5269,"code":13982,"language":5271,"meta":5272,"style":5272},"it('should call repository.save', async () => {\n  repository.save.mockResolvedValue({} as Order);\n  \n  await service.createOrder('user-1', ['prod-1']);\n  \n  expect(repository.save).toHaveBeenCalled();\n});\n",[5102,13984,13985,14004,14026,14030,14050,14054,14072],{"__ignoreMap":5272},[5276,13986,13987,13989,13991,13994,13996,13998,14000,14002],{"class":5278,"line":5279},[5276,13988,6860],{"class":5286},[5276,13990,5329],{"class":5282},[5276,13992,13993],{"class":5833},"'should call repository.save'",[5276,13995,5105],{"class":5282},[5276,13997,5958],{"class":5300},[5276,13999,5961],{"class":5282},[5276,14001,5840],{"class":5300},[5276,14003,5308],{"class":5282},[5276,14005,14006,14009,14011,14013,14015,14017,14020,14022,14024],{"class":5278,"line":5293},[5276,14007,14008],{"class":5332},"  repository",[5276,14010,5112],{"class":5282},[5276,14012,5678],{"class":5332},[5276,14014,5112],{"class":5282},[5276,14016,6488],{"class":5286},[5276,14018,14019],{"class":5282},"({} ",[5276,14021,9788],{"class":5296},[5276,14023,6540],{"class":5304},[5276,14025,5512],{"class":5282},[5276,14027,14028],{"class":5278,"line":5311},[5276,14029,7328],{"class":5282},[5276,14031,14032,14034,14036,14038,14040,14042,14044,14046,14048],{"class":5278,"line":5320},[5276,14033,6934],{"class":5296},[5276,14035,5850],{"class":5332},[5276,14037,5112],{"class":5282},[5276,14039,6615],{"class":5286},[5276,14041,5329],{"class":5282},[5276,14043,12695],{"class":5833},[5276,14045,13432],{"class":5282},[5276,14047,12710],{"class":5833},[5276,14049,13437],{"class":5282},[5276,14051,14052],{"class":5278,"line":5339},[5276,14053,7328],{"class":5282},[5276,14055,14056,14058,14060,14062,14064,14066,14068,14070],{"class":5278,"line":5365},[5276,14057,6967],{"class":5286},[5276,14059,5329],{"class":5282},[5276,14061,9888],{"class":5332},[5276,14063,5112],{"class":5282},[5276,14065,5678],{"class":5332},[5276,14067,6677],{"class":5282},[5276,14069,6734],{"class":5286},[5276,14071,6223],{"class":5282},[5276,14073,14074],{"class":5278,"line":5383},[5276,14075,6775],{"class":5282},[5167,14077,14078,14079,14082],{},"Якщо метод ",[5130,14080,14081],{},"не був"," викликаний, тест провалиться з повідомленням:",[5267,14084,14089],{"className":14085,"code":14087,"language":14088},[14086],"language-text","Expected: \"save\" to have been called, but it was not called.\n","text",[5102,14090,14087],{"__ignoreMap":5272},[6822,14092,14094],{"id":14093},"tohavebeencalledtimesn-перевірка-кількості-викликів","toHaveBeenCalledTimes(n) — перевірка кількості викликів",[5167,14096,14097,14098,14100],{},"Для перевірки точної кількості викликів використовуйте ",[5102,14099,5234],{},":",[5267,14102,14104],{"className":5269,"code":14103,"language":5271,"meta":5272,"style":5272},"it('should call findById exactly once', async () => {\n  userService.findById.mockResolvedValue({ id: '1' } as User);\n  \n  await service.createOrder('1', ['prod-1']);\n  \n  expect(userService.findById).toHaveBeenCalledTimes(1);\n});\n\nit('should send two notifications for premium order', async () => {\n  \u002F\u002F ... setup\n  await service.createPremiumOrder('user-1', ['prod-1']);\n  \n  \u002F\u002F Преміум замовлення надсилає 2 нотифікації: email + SMS\n  expect(notificationService.send).toHaveBeenCalledTimes(2);\n});\n",[5102,14105,14106,14125,14153,14157,14177,14181,14203,14207,14211,14230,14235,14256,14260,14265,14288],{"__ignoreMap":5272},[5276,14107,14108,14110,14112,14115,14117,14119,14121,14123],{"class":5278,"line":5279},[5276,14109,6860],{"class":5286},[5276,14111,5329],{"class":5282},[5276,14113,14114],{"class":5833},"'should call findById exactly once'",[5276,14116,5105],{"class":5282},[5276,14118,5958],{"class":5300},[5276,14120,5961],{"class":5282},[5276,14122,5840],{"class":5300},[5276,14124,5308],{"class":5282},[5276,14126,14127,14130,14132,14134,14136,14138,14140,14142,14144,14146,14148,14151],{"class":5278,"line":5293},[5276,14128,14129],{"class":5332},"  userService",[5276,14131,5112],{"class":5282},[5276,14133,5505],{"class":5332},[5276,14135,5112],{"class":5282},[5276,14137,6488],{"class":5286},[5276,14139,5636],{"class":5282},[5276,14141,6389],{"class":5332},[5276,14143,6392],{"class":5833},[5276,14145,9287],{"class":5282},[5276,14147,9788],{"class":5296},[5276,14149,14150],{"class":5304}," User",[5276,14152,5512],{"class":5282},[5276,14154,14155],{"class":5278,"line":5311},[5276,14156,7328],{"class":5282},[5276,14158,14159,14161,14163,14165,14167,14169,14171,14173,14175],{"class":5278,"line":5320},[5276,14160,6934],{"class":5296},[5276,14162,5850],{"class":5332},[5276,14164,5112],{"class":5282},[5276,14166,6615],{"class":5286},[5276,14168,5329],{"class":5282},[5276,14170,6620],{"class":5833},[5276,14172,13432],{"class":5282},[5276,14174,12710],{"class":5833},[5276,14176,13437],{"class":5282},[5276,14178,14179],{"class":5278,"line":5339},[5276,14180,7328],{"class":5282},[5276,14182,14183,14185,14187,14189,14191,14193,14195,14197,14199,14201],{"class":5278,"line":5365},[5276,14184,6967],{"class":5286},[5276,14186,5329],{"class":5282},[5276,14188,5500],{"class":5332},[5276,14190,5112],{"class":5282},[5276,14192,5505],{"class":5332},[5276,14194,6677],{"class":5282},[5276,14196,7003],{"class":5286},[5276,14198,5329],{"class":5282},[5276,14200,7008],{"class":6466},[5276,14202,5512],{"class":5282},[5276,14204,14205],{"class":5278,"line":5383},[5276,14206,6775],{"class":5282},[5276,14208,14209],{"class":5278,"line":5400},[5276,14210,5427],{"emptyLinePlaceholder":5426},[5276,14212,14213,14215,14217,14220,14222,14224,14226,14228],{"class":5278,"line":5417},[5276,14214,6860],{"class":5286},[5276,14216,5329],{"class":5282},[5276,14218,14219],{"class":5833},"'should send two notifications for premium order'",[5276,14221,5105],{"class":5282},[5276,14223,5958],{"class":5300},[5276,14225,5961],{"class":5282},[5276,14227,5840],{"class":5300},[5276,14229,5308],{"class":5282},[5276,14231,14232],{"class":5278,"line":5423},[5276,14233,14234],{"class":5475},"  \u002F\u002F ... setup\n",[5276,14236,14237,14239,14241,14243,14246,14248,14250,14252,14254],{"class":5278,"line":5430},[5276,14238,6934],{"class":5296},[5276,14240,5850],{"class":5332},[5276,14242,5112],{"class":5282},[5276,14244,14245],{"class":5286},"createPremiumOrder",[5276,14247,5329],{"class":5282},[5276,14249,12695],{"class":5833},[5276,14251,13432],{"class":5282},[5276,14253,12710],{"class":5833},[5276,14255,13437],{"class":5282},[5276,14257,14258],{"class":5278,"line":5472},[5276,14259,7328],{"class":5282},[5276,14261,14262],{"class":5278,"line":5479},[5276,14263,14264],{"class":5475},"  \u002F\u002F Преміум замовлення надсилає 2 нотифікації: email + SMS\n",[5276,14266,14267,14269,14271,14273,14275,14278,14280,14282,14284,14286],{"class":5278,"line":5515},[5276,14268,6967],{"class":5286},[5276,14270,5329],{"class":5282},[5276,14272,12101],{"class":5332},[5276,14274,5112],{"class":5282},[5276,14276,14277],{"class":5332},"send",[5276,14279,6677],{"class":5282},[5276,14281,7003],{"class":5286},[5276,14283,5329],{"class":5282},[5276,14285,7806],{"class":6466},[5276,14287,5512],{"class":5282},[5276,14289,14290],{"class":5278,"line":5521},[5276,14291,6775],{"class":5282},[5167,14293,14294],{},"Це особливо корисно для виявлення багів, коли метод викликається більше разів, ніж очікувалося (наприклад, у циклі замість одного разу).",[6822,14296,14298],{"id":14297},"tohavebeencalledwithargs-перевірка-аргументів","toHaveBeenCalledWith(...args) — перевірка аргументів",[5167,14300,14301,14302,14100],{},"Найважливіший matcher для Unit тестів — перевірка, що метод був викликаний із ",[5130,14303,14304],{},"правильними аргументами",[5267,14306,14308],{"className":5269,"code":14307,"language":5271,"meta":5272,"style":5272},"it('should pass correct arguments to repository.create', async () => {\n  const userId = 'user-123';\n  const productIds = ['prod-1', 'prod-2'];\n  const total = 150;\n\n  repository.create.mockReturnValue({} as Order);\n  repository.save.mockResolvedValue({} as Order);\n  \u002F\u002F ... інші моки\n\n  await service.createOrder(userId, productIds);\n\n  expect(repository.create).toHaveBeenCalledWith({\n    userId: 'user-123',\n    productIds: ['prod-1', 'prod-2'],\n    total: 150,\n    discount: 0,\n  });\n});\n",[5102,14309,14310,14329,14342,14358,14371,14375,14395,14415,14420,14424,14444,14448,14466,14476,14493,14503,14512,14516],{"__ignoreMap":5272},[5276,14311,14312,14314,14316,14319,14321,14323,14325,14327],{"class":5278,"line":5279},[5276,14313,6860],{"class":5286},[5276,14315,5329],{"class":5282},[5276,14317,14318],{"class":5833},"'should pass correct arguments to repository.create'",[5276,14320,5105],{"class":5282},[5276,14322,5958],{"class":5300},[5276,14324,5961],{"class":5282},[5276,14326,5840],{"class":5300},[5276,14328,5308],{"class":5282},[5276,14330,14331,14333,14335,14337,14340],{"class":5278,"line":5293},[5276,14332,6885],{"class":5300},[5276,14334,12690],{"class":5485},[5276,14336,5489],{"class":5282},[5276,14338,14339],{"class":5833},"'user-123'",[5276,14341,5744],{"class":5282},[5276,14343,14344,14346,14348,14350,14352,14354,14356],{"class":5278,"line":5311},[5276,14345,6885],{"class":5300},[5276,14347,12704],{"class":5485},[5276,14349,12707],{"class":5282},[5276,14351,12710],{"class":5833},[5276,14353,5105],{"class":5282},[5276,14355,12715],{"class":5833},[5276,14357,12718],{"class":5282},[5276,14359,14360,14362,14364,14366,14369],{"class":5278,"line":5320},[5276,14361,6885],{"class":5300},[5276,14363,5532],{"class":5485},[5276,14365,5489],{"class":5282},[5276,14367,14368],{"class":6466},"150",[5276,14370,5744],{"class":5282},[5276,14372,14373],{"class":5278,"line":5339},[5276,14374,5427],{"emptyLinePlaceholder":5426},[5276,14376,14377,14379,14381,14383,14385,14387,14389,14391,14393],{"class":5278,"line":5365},[5276,14378,14008],{"class":5332},[5276,14380,5112],{"class":5282},[5276,14382,5633],{"class":5332},[5276,14384,5112],{"class":5282},[5276,14386,6529],{"class":5286},[5276,14388,14019],{"class":5282},[5276,14390,9788],{"class":5296},[5276,14392,6540],{"class":5304},[5276,14394,5512],{"class":5282},[5276,14396,14397,14399,14401,14403,14405,14407,14409,14411,14413],{"class":5278,"line":5383},[5276,14398,14008],{"class":5332},[5276,14400,5112],{"class":5282},[5276,14402,5678],{"class":5332},[5276,14404,5112],{"class":5282},[5276,14406,6488],{"class":5286},[5276,14408,14019],{"class":5282},[5276,14410,9788],{"class":5296},[5276,14412,6540],{"class":5304},[5276,14414,5512],{"class":5282},[5276,14416,14417],{"class":5278,"line":5400},[5276,14418,14419],{"class":5475},"  \u002F\u002F ... інші моки\n",[5276,14421,14422],{"class":5278,"line":5417},[5276,14423,5427],{"emptyLinePlaceholder":5426},[5276,14425,14426,14428,14430,14432,14434,14436,14438,14440,14442],{"class":5278,"line":5423},[5276,14427,6934],{"class":5296},[5276,14429,5850],{"class":5332},[5276,14431,5112],{"class":5282},[5276,14433,6615],{"class":5286},[5276,14435,5329],{"class":5282},[5276,14437,5441],{"class":5332},[5276,14439,5105],{"class":5282},[5276,14441,11712],{"class":5332},[5276,14443,5512],{"class":5282},[5276,14445,14446],{"class":5278,"line":5430},[5276,14447,5427],{"emptyLinePlaceholder":5426},[5276,14449,14450,14452,14454,14456,14458,14460,14462,14464],{"class":5278,"line":5472},[5276,14451,6967],{"class":5286},[5276,14453,5329],{"class":5282},[5276,14455,9888],{"class":5332},[5276,14457,5112],{"class":5282},[5276,14459,5633],{"class":5332},[5276,14461,6677],{"class":5282},[5276,14463,6705],{"class":5286},[5276,14465,6115],{"class":5282},[5276,14467,14468,14471,14474],{"class":5278,"line":5479},[5276,14469,14470],{"class":5332},"    userId:",[5276,14472,14473],{"class":5833}," 'user-123'",[5276,14475,5380],{"class":5282},[5276,14477,14478,14481,14484,14486,14488,14490],{"class":5278,"line":5515},[5276,14479,14480],{"class":5332},"    productIds:",[5276,14482,14483],{"class":5282}," [",[5276,14485,12710],{"class":5833},[5276,14487,5105],{"class":5282},[5276,14489,12715],{"class":5833},[5276,14491,14492],{"class":5282},"],\n",[5276,14494,14495,14498,14501],{"class":5278,"line":5521},[5276,14496,14497],{"class":5332},"    total:",[5276,14499,14500],{"class":6466}," 150",[5276,14502,5380],{"class":5282},[5276,14504,14505,14508,14510],{"class":5278,"line":5527},[5276,14506,14507],{"class":5332},"    discount:",[5276,14509,13360],{"class":6466},[5276,14511,5380],{"class":5282},[5276,14513,14514],{"class":5278,"line":5551},[5276,14515,6344],{"class":5282},[5276,14517,14518],{"class":5278,"line":5556},[5276,14519,6775],{"class":5282},[5167,14521,14522],{},"Якщо аргументи не співпадають, Jest покаже детальну різницю:",[5267,14524,14527],{"className":14525,"code":14526,"language":14088},[14086],"Expected: {\"userId\": \"user-123\", \"productIds\": [\"prod-1\", \"prod-2\"], \"total\": 150, \"discount\": 0}\nReceived: {\"userId\": \"user-123\", \"productIds\": [\"prod-1\", \"prod-2\"], \"total\": 140, \"discount\": 10}\n",[5102,14528,14526],{"__ignoreMap":5272},[6822,14530,14532],{"id":14531},"expectobjectcontaining-часткове-співпадіння","expect.objectContaining() — часткове співпадіння",[5167,14534,14535,14536,14539,14540,14100],{},"Коли потрібно перевірити лише ",[5130,14537,14538],{},"частину"," аргументів, використовуйте ",[5102,14541,14542],{},"expect.objectContaining()",[5267,14544,14546],{"className":5269,"code":14545,"language":5271,"meta":5272,"style":5272},"it('should call save with order containing userId', async () => {\n  \u002F\u002F ... setup\n  await service.createOrder('user-1', ['prod-1']);\n\n  expect(repository.save).toHaveBeenCalledWith(\n    expect.objectContaining({\n      userId: 'user-1', \u002F\u002F Перевіряємо лише це поле\n      \u002F\u002F Інші поля можуть бути будь-якими\n    })\n  );\n});\n",[5102,14547,14548,14567,14571,14591,14595,14613,14623,14636,14641,14646,14651],{"__ignoreMap":5272},[5276,14549,14550,14552,14554,14557,14559,14561,14563,14565],{"class":5278,"line":5279},[5276,14551,6860],{"class":5286},[5276,14553,5329],{"class":5282},[5276,14555,14556],{"class":5833},"'should call save with order containing userId'",[5276,14558,5105],{"class":5282},[5276,14560,5958],{"class":5300},[5276,14562,5961],{"class":5282},[5276,14564,5840],{"class":5300},[5276,14566,5308],{"class":5282},[5276,14568,14569],{"class":5278,"line":5293},[5276,14570,14234],{"class":5475},[5276,14572,14573,14575,14577,14579,14581,14583,14585,14587,14589],{"class":5278,"line":5311},[5276,14574,6934],{"class":5296},[5276,14576,5850],{"class":5332},[5276,14578,5112],{"class":5282},[5276,14580,6615],{"class":5286},[5276,14582,5329],{"class":5282},[5276,14584,12695],{"class":5833},[5276,14586,13432],{"class":5282},[5276,14588,12710],{"class":5833},[5276,14590,13437],{"class":5282},[5276,14592,14593],{"class":5278,"line":5320},[5276,14594,5427],{"emptyLinePlaceholder":5426},[5276,14596,14597,14599,14601,14603,14605,14607,14609,14611],{"class":5278,"line":5339},[5276,14598,6967],{"class":5286},[5276,14600,5329],{"class":5282},[5276,14602,9888],{"class":5332},[5276,14604,5112],{"class":5282},[5276,14606,5678],{"class":5332},[5276,14608,6677],{"class":5282},[5276,14610,6705],{"class":5286},[5276,14612,5317],{"class":5282},[5276,14614,14615,14617,14619,14621],{"class":5278,"line":5365},[5276,14616,6665],{"class":5332},[5276,14618,5112],{"class":5282},[5276,14620,11107],{"class":5286},[5276,14622,6115],{"class":5282},[5276,14624,14625,14628,14631,14633],{"class":5278,"line":5383},[5276,14626,14627],{"class":5332},"      userId:",[5276,14629,14630],{"class":5833}," 'user-1'",[5276,14632,5105],{"class":5282},[5276,14634,14635],{"class":5475},"\u002F\u002F Перевіряємо лише це поле\n",[5276,14637,14638],{"class":5278,"line":5400},[5276,14639,14640],{"class":5475},"      \u002F\u002F Інші поля можуть бути будь-якими\n",[5276,14642,14643],{"class":5278,"line":5417},[5276,14644,14645],{"class":5282},"    })\n",[5276,14647,14648],{"class":5278,"line":5423},[5276,14649,14650],{"class":5282},"  );\n",[5276,14652,14653],{"class":5278,"line":5430},[5276,14654,6775],{"class":5282},[5167,14656,14657,14658,7886,14660,14663],{},"Це корисно, коли об'єкт містить поля, які важко передбачити (наприклад, автоматично згенеровані ",[5102,14659,5658],{},[5102,14661,14662],{},"createdAt","), але ви хочете перевірити ключові поля.",[6822,14665,14667],{"id":14666},"expectanyconstructor-перевірка-типу","expect.any(Constructor) — перевірка типу",[5167,14669,14670],{},"Для перевірки типу аргументу без точного значення:",[5267,14672,14674],{"className":5269,"code":14673,"language":5271,"meta":5272,"style":5272},"it('should call logger with string message', () => {\n  logger.log.mockReturnValue(undefined);\n  \n  service.logOrderCreation('order-123');\n\n  expect(logger.log).toHaveBeenCalledWith(\n    expect.any(String), \u002F\u002F Будь-який рядок\n    expect.objectContaining({ orderId: 'order-123' })\n  );\n});\n\nit('should call repository.save with Date timestamp', async () => {\n  await service.createOrderWithTimestamp('user-1', ['prod-1']);\n\n  expect(repository.save).toHaveBeenCalledWith(\n    expect.objectContaining({\n      createdAt: expect.any(Date), \u002F\u002F Будь-який Date об'єкт\n    })\n  );\n});\n",[5102,14675,14676,14691,14710,14714,14730,14734,14753,14772,14789,14793,14797,14801,14820,14841,14845,14863,14873,14894,14898,14902],{"__ignoreMap":5272},[5276,14677,14678,14680,14682,14685,14687,14689],{"class":5278,"line":5279},[5276,14679,6860],{"class":5286},[5276,14681,5329],{"class":5282},[5276,14683,14684],{"class":5833},"'should call logger with string message'",[5276,14686,5837],{"class":5282},[5276,14688,5840],{"class":5300},[5276,14690,5308],{"class":5282},[5276,14692,14693,14696,14698,14700,14702,14704,14706,14708],{"class":5278,"line":5293},[5276,14694,14695],{"class":5332},"  logger",[5276,14697,5112],{"class":5282},[5276,14699,8057],{"class":5332},[5276,14701,5112],{"class":5282},[5276,14703,6529],{"class":5286},[5276,14705,5329],{"class":5282},[5276,14707,6583],{"class":5300},[5276,14709,5512],{"class":5282},[5276,14711,14712],{"class":5278,"line":5311},[5276,14713,7328],{"class":5282},[5276,14715,14716,14719,14721,14724,14726,14728],{"class":5278,"line":5320},[5276,14717,14718],{"class":5332},"  service",[5276,14720,5112],{"class":5282},[5276,14722,14723],{"class":5286},"logOrderCreation",[5276,14725,5329],{"class":5282},[5276,14727,13179],{"class":5833},[5276,14729,5512],{"class":5282},[5276,14731,14732],{"class":5278,"line":5339},[5276,14733,5427],{"emptyLinePlaceholder":5426},[5276,14735,14736,14738,14740,14743,14745,14747,14749,14751],{"class":5278,"line":5365},[5276,14737,6967],{"class":5286},[5276,14739,5329],{"class":5282},[5276,14741,14742],{"class":5332},"logger",[5276,14744,5112],{"class":5282},[5276,14746,8057],{"class":5332},[5276,14748,6677],{"class":5282},[5276,14750,6705],{"class":5286},[5276,14752,5317],{"class":5282},[5276,14754,14755,14757,14759,14762,14764,14767,14769],{"class":5278,"line":5383},[5276,14756,6665],{"class":5332},[5276,14758,5112],{"class":5282},[5276,14760,14761],{"class":5286},"any",[5276,14763,5329],{"class":5282},[5276,14765,14766],{"class":5332},"String",[5276,14768,6148],{"class":5282},[5276,14770,14771],{"class":5475},"\u002F\u002F Будь-який рядок\n",[5276,14773,14774,14776,14778,14780,14782,14785,14787],{"class":5278,"line":5400},[5276,14775,6665],{"class":5332},[5276,14777,5112],{"class":5282},[5276,14779,11107],{"class":5286},[5276,14781,5636],{"class":5282},[5276,14783,14784],{"class":5332},"orderId:",[5276,14786,12860],{"class":5833},[5276,14788,11122],{"class":5282},[5276,14790,14791],{"class":5278,"line":5417},[5276,14792,14650],{"class":5282},[5276,14794,14795],{"class":5278,"line":5423},[5276,14796,6775],{"class":5282},[5276,14798,14799],{"class":5278,"line":5430},[5276,14800,5427],{"emptyLinePlaceholder":5426},[5276,14802,14803,14805,14807,14810,14812,14814,14816,14818],{"class":5278,"line":5472},[5276,14804,6860],{"class":5286},[5276,14806,5329],{"class":5282},[5276,14808,14809],{"class":5833},"'should call repository.save with Date timestamp'",[5276,14811,5105],{"class":5282},[5276,14813,5958],{"class":5300},[5276,14815,5961],{"class":5282},[5276,14817,5840],{"class":5300},[5276,14819,5308],{"class":5282},[5276,14821,14822,14824,14826,14828,14831,14833,14835,14837,14839],{"class":5278,"line":5479},[5276,14823,6934],{"class":5296},[5276,14825,5850],{"class":5332},[5276,14827,5112],{"class":5282},[5276,14829,14830],{"class":5286},"createOrderWithTimestamp",[5276,14832,5329],{"class":5282},[5276,14834,12695],{"class":5833},[5276,14836,13432],{"class":5282},[5276,14838,12710],{"class":5833},[5276,14840,13437],{"class":5282},[5276,14842,14843],{"class":5278,"line":5515},[5276,14844,5427],{"emptyLinePlaceholder":5426},[5276,14846,14847,14849,14851,14853,14855,14857,14859,14861],{"class":5278,"line":5521},[5276,14848,6967],{"class":5286},[5276,14850,5329],{"class":5282},[5276,14852,9888],{"class":5332},[5276,14854,5112],{"class":5282},[5276,14856,5678],{"class":5332},[5276,14858,6677],{"class":5282},[5276,14860,6705],{"class":5286},[5276,14862,5317],{"class":5282},[5276,14864,14865,14867,14869,14871],{"class":5278,"line":5527},[5276,14866,6665],{"class":5332},[5276,14868,5112],{"class":5282},[5276,14870,11107],{"class":5286},[5276,14872,6115],{"class":5282},[5276,14874,14875,14878,14880,14882,14884,14886,14889,14891],{"class":5278,"line":5551},[5276,14876,14877],{"class":5332},"      createdAt:",[5276,14879,9981],{"class":5332},[5276,14881,5112],{"class":5282},[5276,14883,14761],{"class":5286},[5276,14885,5329],{"class":5282},[5276,14887,14888],{"class":5332},"Date",[5276,14890,6148],{"class":5282},[5276,14892,14893],{"class":5475},"\u002F\u002F Будь-який Date об'єкт\n",[5276,14895,14896],{"class":5278,"line":5556},[5276,14897,14645],{"class":5282},[5276,14899,14900],{"class":5278,"line":5562},[5276,14901,14650],{"class":5282},[5276,14903,14904],{"class":5278,"line":5603},[5276,14905,6775],{"class":5282},[6822,14907,14909],{"id":14908},"tohavebeenlastcalledwith-та-tohavebeennthcalledwith","toHaveBeenLastCalledWith() та toHaveBeenNthCalledWith()",[5167,14911,14912],{},"Для перевірки останнього виклику або конкретного виклику за номером:",[5267,14914,14916],{"className":5269,"code":14915,"language":5271,"meta":5272,"style":5272},"it('should update progress after each step', async () => {\n  const progressCallback = jest.fn();\n  \n  await service.processOrderInSteps('order-1', progressCallback);\n\n  \u002F\u002F Перевірка першого виклику\n  expect(progressCallback).toHaveBeenNthCalledWith(1, 'Step 1: Validating');\n  \n  \u002F\u002F Перевірка другого виклику\n  expect(progressCallback).toHaveBeenNthCalledWith(2, 'Step 2: Processing payment');\n  \n  \u002F\u002F Перевірка останнього виклику\n  expect(progressCallback).toHaveBeenLastCalledWith('Step 3: Complete');\n});\n",[5102,14917,14918,14937,14954,14958,14981,14985,14990,15014,15018,15023,15046,15050,15055,15074],{"__ignoreMap":5272},[5276,14919,14920,14922,14924,14927,14929,14931,14933,14935],{"class":5278,"line":5279},[5276,14921,6860],{"class":5286},[5276,14923,5329],{"class":5282},[5276,14925,14926],{"class":5833},"'should update progress after each step'",[5276,14928,5105],{"class":5282},[5276,14930,5958],{"class":5300},[5276,14932,5961],{"class":5282},[5276,14934,5840],{"class":5300},[5276,14936,5308],{"class":5282},[5276,14938,14939,14941,14944,14946,14948,14950,14952],{"class":5278,"line":5293},[5276,14940,6885],{"class":5300},[5276,14942,14943],{"class":5485}," progressCallback",[5276,14945,5489],{"class":5282},[5276,14947,5867],{"class":5332},[5276,14949,5112],{"class":5282},[5276,14951,5993],{"class":5286},[5276,14953,6223],{"class":5282},[5276,14955,14956],{"class":5278,"line":5311},[5276,14957,7328],{"class":5282},[5276,14959,14960,14962,14964,14966,14969,14971,14974,14976,14979],{"class":5278,"line":5320},[5276,14961,6934],{"class":5296},[5276,14963,5850],{"class":5332},[5276,14965,5112],{"class":5282},[5276,14967,14968],{"class":5286},"processOrderInSteps",[5276,14970,5329],{"class":5282},[5276,14972,14973],{"class":5833},"'order-1'",[5276,14975,5105],{"class":5282},[5276,14977,14978],{"class":5332},"progressCallback",[5276,14980,5512],{"class":5282},[5276,14982,14983],{"class":5278,"line":5339},[5276,14984,5427],{"emptyLinePlaceholder":5426},[5276,14986,14987],{"class":5278,"line":5365},[5276,14988,14989],{"class":5475},"  \u002F\u002F Перевірка першого виклику\n",[5276,14991,14992,14994,14996,14998,15000,15003,15005,15007,15009,15012],{"class":5278,"line":5383},[5276,14993,6967],{"class":5286},[5276,14995,5329],{"class":5282},[5276,14997,14978],{"class":5332},[5276,14999,6677],{"class":5282},[5276,15001,15002],{"class":5286},"toHaveBeenNthCalledWith",[5276,15004,5329],{"class":5282},[5276,15006,7008],{"class":6466},[5276,15008,5105],{"class":5282},[5276,15010,15011],{"class":5833},"'Step 1: Validating'",[5276,15013,5512],{"class":5282},[5276,15015,15016],{"class":5278,"line":5400},[5276,15017,7328],{"class":5282},[5276,15019,15020],{"class":5278,"line":5417},[5276,15021,15022],{"class":5475},"  \u002F\u002F Перевірка другого виклику\n",[5276,15024,15025,15027,15029,15031,15033,15035,15037,15039,15041,15044],{"class":5278,"line":5423},[5276,15026,6967],{"class":5286},[5276,15028,5329],{"class":5282},[5276,15030,14978],{"class":5332},[5276,15032,6677],{"class":5282},[5276,15034,15002],{"class":5286},[5276,15036,5329],{"class":5282},[5276,15038,7806],{"class":6466},[5276,15040,5105],{"class":5282},[5276,15042,15043],{"class":5833},"'Step 2: Processing payment'",[5276,15045,5512],{"class":5282},[5276,15047,15048],{"class":5278,"line":5430},[5276,15049,7328],{"class":5282},[5276,15051,15052],{"class":5278,"line":5472},[5276,15053,15054],{"class":5475},"  \u002F\u002F Перевірка останнього виклику\n",[5276,15056,15057,15059,15061,15063,15065,15067,15069,15072],{"class":5278,"line":5479},[5276,15058,6967],{"class":5286},[5276,15060,5329],{"class":5282},[5276,15062,14978],{"class":5332},[5276,15064,6677],{"class":5282},[5276,15066,8028],{"class":5286},[5276,15068,5329],{"class":5282},[5276,15070,15071],{"class":5833},"'Step 3: Complete'",[5276,15073,5512],{"class":5282},[5276,15075,15076],{"class":5278,"line":5515},[5276,15077,6775],{"class":5282},[6822,15079,15081],{"id":15080},"nottohavebeencalled-негативна-перевірка","not.toHaveBeenCalled() — негативна перевірка",[5167,15083,15084,15085,15088],{},"Іноді важливо переконатися, що метод ",[5130,15086,15087],{},"не був викликаний"," у певному сценарії:",[5267,15090,15092],{"className":5269,"code":15091,"language":5271,"meta":5272,"style":5272},"it('should not send notification when user has disabled notifications', async () => {\n  const mockUser = { id: '1', notificationsEnabled: false };\n  userService.findById.mockResolvedValue(mockUser as User);\n  \n  await service.createOrder('1', ['prod-1']);\n\n  \u002F\u002F Нотифікація НЕ має відправлятися\n  expect(notificationService.send).not.toHaveBeenCalled();\n});\n\nit('should not save order when validation fails', async () => {\n  userService.findById.mockResolvedValue({ id: '1', isActive: false } as User);\n  \n  await expect(service.createOrder('1', ['prod-1'])).rejects.toThrow();\n\n  \u002F\u002F Репозиторій НЕ має викликатися при провалі валідації\n  expect(repository.save).not.toHaveBeenCalled();\n});\n",[5102,15093,15094,15113,15134,15156,15160,15180,15184,15189,15211,15215,15219,15238,15270,15274,15307,15311,15316,15338],{"__ignoreMap":5272},[5276,15095,15096,15098,15100,15103,15105,15107,15109,15111],{"class":5278,"line":5279},[5276,15097,6860],{"class":5286},[5276,15099,5329],{"class":5282},[5276,15101,15102],{"class":5833},"'should not send notification when user has disabled notifications'",[5276,15104,5105],{"class":5282},[5276,15106,5958],{"class":5300},[5276,15108,5961],{"class":5282},[5276,15110,5840],{"class":5300},[5276,15112,5308],{"class":5282},[5276,15114,15115,15117,15119,15121,15123,15125,15127,15130,15132],{"class":5278,"line":5293},[5276,15116,6885],{"class":5300},[5276,15118,6384],{"class":5485},[5276,15120,6037],{"class":5282},[5276,15122,6389],{"class":5332},[5276,15124,6392],{"class":5833},[5276,15126,5105],{"class":5282},[5276,15128,15129],{"class":5332},"notificationsEnabled:",[5276,15131,9134],{"class":5300},[5276,15133,6411],{"class":5282},[5276,15135,15136,15138,15140,15142,15144,15146,15148,15150,15152,15154],{"class":5278,"line":5311},[5276,15137,14129],{"class":5332},[5276,15139,5112],{"class":5282},[5276,15141,5505],{"class":5332},[5276,15143,5112],{"class":5282},[5276,15145,6488],{"class":5286},[5276,15147,5329],{"class":5282},[5276,15149,6493],{"class":5332},[5276,15151,6537],{"class":5296},[5276,15153,14150],{"class":5304},[5276,15155,5512],{"class":5282},[5276,15157,15158],{"class":5278,"line":5320},[5276,15159,7328],{"class":5282},[5276,15161,15162,15164,15166,15168,15170,15172,15174,15176,15178],{"class":5278,"line":5339},[5276,15163,6934],{"class":5296},[5276,15165,5850],{"class":5332},[5276,15167,5112],{"class":5282},[5276,15169,6615],{"class":5286},[5276,15171,5329],{"class":5282},[5276,15173,6620],{"class":5833},[5276,15175,13432],{"class":5282},[5276,15177,12710],{"class":5833},[5276,15179,13437],{"class":5282},[5276,15181,15182],{"class":5278,"line":5365},[5276,15183,5427],{"emptyLinePlaceholder":5426},[5276,15185,15186],{"class":5278,"line":5383},[5276,15187,15188],{"class":5475},"  \u002F\u002F Нотифікація НЕ має відправлятися\n",[5276,15190,15191,15193,15195,15197,15199,15201,15203,15205,15207,15209],{"class":5278,"line":5400},[5276,15192,6967],{"class":5286},[5276,15194,5329],{"class":5282},[5276,15196,12101],{"class":5332},[5276,15198,5112],{"class":5282},[5276,15200,14277],{"class":5332},[5276,15202,6677],{"class":5282},[5276,15204,13689],{"class":5332},[5276,15206,5112],{"class":5282},[5276,15208,6734],{"class":5286},[5276,15210,6223],{"class":5282},[5276,15212,15213],{"class":5278,"line":5417},[5276,15214,6775],{"class":5282},[5276,15216,15217],{"class":5278,"line":5423},[5276,15218,5427],{"emptyLinePlaceholder":5426},[5276,15220,15221,15223,15225,15228,15230,15232,15234,15236],{"class":5278,"line":5430},[5276,15222,6860],{"class":5286},[5276,15224,5329],{"class":5282},[5276,15226,15227],{"class":5833},"'should not save order when validation fails'",[5276,15229,5105],{"class":5282},[5276,15231,5958],{"class":5300},[5276,15233,5961],{"class":5282},[5276,15235,5840],{"class":5300},[5276,15237,5308],{"class":5282},[5276,15239,15240,15242,15244,15246,15248,15250,15252,15254,15256,15258,15260,15262,15264,15266,15268],{"class":5278,"line":5472},[5276,15241,14129],{"class":5332},[5276,15243,5112],{"class":5282},[5276,15245,5505],{"class":5332},[5276,15247,5112],{"class":5282},[5276,15249,6488],{"class":5286},[5276,15251,5636],{"class":5282},[5276,15253,6389],{"class":5332},[5276,15255,6392],{"class":5833},[5276,15257,5105],{"class":5282},[5276,15259,13541],{"class":5332},[5276,15261,9134],{"class":5300},[5276,15263,9287],{"class":5282},[5276,15265,9788],{"class":5296},[5276,15267,14150],{"class":5304},[5276,15269,5512],{"class":5282},[5276,15271,15272],{"class":5278,"line":5479},[5276,15273,7328],{"class":5282},[5276,15275,15276,15278,15280,15282,15284,15286,15288,15290,15292,15294,15296,15299,15301,15303,15305],{"class":5278,"line":5515},[5276,15277,6934],{"class":5296},[5276,15279,9981],{"class":5286},[5276,15281,5329],{"class":5282},[5276,15283,7354],{"class":5332},[5276,15285,5112],{"class":5282},[5276,15287,6615],{"class":5286},[5276,15289,5329],{"class":5282},[5276,15291,6620],{"class":5833},[5276,15293,13432],{"class":5282},[5276,15295,12710],{"class":5833},[5276,15297,15298],{"class":5282},"])).",[5276,15300,10000],{"class":5332},[5276,15302,5112],{"class":5282},[5276,15304,10005],{"class":5286},[5276,15306,6223],{"class":5282},[5276,15308,15309],{"class":5278,"line":5521},[5276,15310,5427],{"emptyLinePlaceholder":5426},[5276,15312,15313],{"class":5278,"line":5527},[5276,15314,15315],{"class":5475},"  \u002F\u002F Репозиторій НЕ має викликатися при провалі валідації\n",[5276,15317,15318,15320,15322,15324,15326,15328,15330,15332,15334,15336],{"class":5278,"line":5551},[5276,15319,6967],{"class":5286},[5276,15321,5329],{"class":5282},[5276,15323,9888],{"class":5332},[5276,15325,5112],{"class":5282},[5276,15327,5678],{"class":5332},[5276,15329,6677],{"class":5282},[5276,15331,13689],{"class":5332},[5276,15333,5112],{"class":5282},[5276,15335,6734],{"class":5286},[5276,15337,6223],{"class":5282},[5276,15339,15340],{"class":5278,"line":5556},[5276,15341,6775],{"class":5282},[7252,15343,15344,15349,15356,15367,15373,15384],{},[5167,15345,15346],{},[5130,15347,15348],{},"Коли використовувати assertions на виклики?",[5167,15350,15351,15352,15355],{},"✅ ",[5130,15353,15354],{},"Використовуйте",", коли:",[5092,15357,15358,15361,15364],{},[5095,15359,15360],{},"Тестуєте side effects (надсилання email, логування, метрики).",[5095,15362,15363],{},"Перевіряєте, що метод викликається з коректними параметрами (особливо для складних об'єктів).",[5095,15365,15366],{},"Тестуєте умовну логіку (метод має викликатися у одному випадку та не викликатися у іншому).",[5167,15368,15369,15370,15355],{},"❌ ",[5130,15371,15372],{},"Не використовуйте",[5092,15374,15375,15378,15381],{},[5095,15376,15377],{},"Тестуєте результат обчислень (краще перевірити результат, а не виклики).",[5095,15379,15380],{},"Перевіряєте деталі реалізації (порядок внутрішніх викликів у приватних методах).",[5095,15382,15383],{},"Дублюєте перевірку поведінки, яка вже покрита assertion на результат.",[5167,15385,15386,15387,15390],{},"Загальне правило: якщо тест падає при зміні ",[5130,15388,15389],{},"внутрішньої реалізації"," (але не контракту), він занадто прив'язаний до деталей. Фокусуйтеся на перевірці поведінки, а не реалізації.",[5159,15392],{},[5162,15394,15396],{"id":15395},"тестування-edge-cases-та-помилок","Тестування edge cases та помилок",[5167,15398,15399,15400,5257,15403,15406],{},"Хороший Unit тест перевіряє не лише «happy path» (коли все працює як очікується), а й ",[5130,15401,15402],{},"граничні випадки",[5259,15404,15405],{},"edge cases",") та обробку помилок.",[6822,15408,15410],{"id":15409},"edge-cases-null-undefined-порожні-колекції","Edge cases: null, undefined, порожні колекції",[5267,15412,15414],{"className":5269,"code":15413,"language":5271,"meta":5272,"style":5272},"describe('OrderService edge cases', () => {\n  it('should handle empty product list', async () => {\n    userService.findById.mockResolvedValue({ id: '1', isActive: true } as User);\n    productService.findByIds.mockResolvedValue([]);\n\n    \u002F\u002F Порожній масив продуктів — валідна помилка\n    await expect(service.createOrder('1', [])).rejects.toThrow('Product list cannot be empty');\n  });\n\n  it('should handle null user', async () => {\n    userService.findById.mockResolvedValue(null);\n\n    await expect(service.createOrder('nonexistent-user', ['prod-1']))\n      .rejects.toThrow(NotFoundException);\n  });\n\n  it('should handle undefined product prices', async () => {\n    userService.findById.mockResolvedValue({ id: '1', isActive: true } as User);\n    \n    \u002F\u002F Продукт без ціни — некоректні дані\n    productService.findByIds.mockResolvedValue([{ id: 'prod-1', price: undefined }] as any);\n\n    await expect(service.createOrder('1', ['prod-1']))\n      .rejects.toThrow('Invalid product data');\n  });\n\n  it('should handle very large order totals', async () => {\n    userService.findById.mockResolvedValue({ id: '1', isActive: true, orderCount: 10 } as User);\n    \n    \u002F\u002F Продукти з дуже високою ціною\n    const expensiveProducts = Array(100).fill({ id: 'prod', price: 1000000 });\n    productService.findByIds.mockResolvedValue(expensiveProducts);\n\n    const result = await service.createOrder('1', Array(100).fill('prod'));\n\n    \u002F\u002F Перевіряємо, що знижка правильно застосована навіть для великої суми\n    expect(result.discount).toBe(10000000); \u002F\u002F 10% від 100 млн\n    expect(result.total).toBe(90000000);\n  });\n});\n",[5102,15415,15416,15431,15450,15482,15496,15500,15505,15539,15543,15547,15566,15584,15588,15613,15630,15634,15638,15657,15689,15693,15698,15731,15735,15759,15776,15780,15784,15803,15842,15846,15851,15887,15906,15910,15949,15953,15958,15984,16007,16011],{"__ignoreMap":5272},[5276,15417,15418,15420,15422,15425,15427,15429],{"class":5278,"line":5279},[5276,15419,5828],{"class":5286},[5276,15421,5329],{"class":5282},[5276,15423,15424],{"class":5833},"'OrderService edge cases'",[5276,15426,5837],{"class":5282},[5276,15428,5840],{"class":5300},[5276,15430,5308],{"class":5282},[5276,15432,15433,15435,15437,15440,15442,15444,15446,15448],{"class":5278,"line":5293},[5276,15434,6355],{"class":5286},[5276,15436,5329],{"class":5282},[5276,15438,15439],{"class":5833},"'should handle empty product list'",[5276,15441,5105],{"class":5282},[5276,15443,5958],{"class":5300},[5276,15445,5961],{"class":5282},[5276,15447,5840],{"class":5300},[5276,15449,5308],{"class":5282},[5276,15451,15452,15454,15456,15458,15460,15462,15464,15466,15468,15470,15472,15474,15476,15478,15480],{"class":5278,"line":5311},[5276,15453,6284],{"class":5332},[5276,15455,5112],{"class":5282},[5276,15457,5505],{"class":5332},[5276,15459,5112],{"class":5282},[5276,15461,6488],{"class":5286},[5276,15463,5636],{"class":5282},[5276,15465,6389],{"class":5332},[5276,15467,6392],{"class":5833},[5276,15469,5105],{"class":5282},[5276,15471,13541],{"class":5332},[5276,15473,9023],{"class":5300},[5276,15475,9287],{"class":5282},[5276,15477,9788],{"class":5296},[5276,15479,14150],{"class":5304},[5276,15481,5512],{"class":5282},[5276,15483,15484,15486,15488,15490,15492,15494],{"class":5278,"line":5320},[5276,15485,12604],{"class":5332},[5276,15487,5112],{"class":5282},[5276,15489,11824],{"class":5332},[5276,15491,5112],{"class":5282},[5276,15493,6488],{"class":5286},[5276,15495,8689],{"class":5282},[5276,15497,15498],{"class":5278,"line":5339},[5276,15499,5427],{"emptyLinePlaceholder":5426},[5276,15501,15502],{"class":5278,"line":5365},[5276,15503,15504],{"class":5475},"    \u002F\u002F Порожній масив продуктів — валідна помилка\n",[5276,15506,15507,15509,15511,15513,15515,15517,15519,15521,15523,15526,15528,15530,15532,15534,15537],{"class":5278,"line":5383},[5276,15508,5667],{"class":5296},[5276,15510,9981],{"class":5286},[5276,15512,5329],{"class":5282},[5276,15514,7354],{"class":5332},[5276,15516,5112],{"class":5282},[5276,15518,6615],{"class":5286},[5276,15520,5329],{"class":5282},[5276,15522,6620],{"class":5833},[5276,15524,15525],{"class":5282},", [])).",[5276,15527,10000],{"class":5332},[5276,15529,5112],{"class":5282},[5276,15531,10005],{"class":5286},[5276,15533,5329],{"class":5282},[5276,15535,15536],{"class":5833},"'Product list cannot be empty'",[5276,15538,5512],{"class":5282},[5276,15540,15541],{"class":5278,"line":5400},[5276,15542,6344],{"class":5282},[5276,15544,15545],{"class":5278,"line":5417},[5276,15546,5427],{"emptyLinePlaceholder":5426},[5276,15548,15549,15551,15553,15556,15558,15560,15562,15564],{"class":5278,"line":5423},[5276,15550,6355],{"class":5286},[5276,15552,5329],{"class":5282},[5276,15554,15555],{"class":5833},"'should handle null user'",[5276,15557,5105],{"class":5282},[5276,15559,5958],{"class":5300},[5276,15561,5961],{"class":5282},[5276,15563,5840],{"class":5300},[5276,15565,5308],{"class":5282},[5276,15567,15568,15570,15572,15574,15576,15578,15580,15582],{"class":5278,"line":5430},[5276,15569,6284],{"class":5332},[5276,15571,5112],{"class":5282},[5276,15573,5505],{"class":5332},[5276,15575,5112],{"class":5282},[5276,15577,6488],{"class":5286},[5276,15579,5329],{"class":5282},[5276,15581,9959],{"class":5300},[5276,15583,5512],{"class":5282},[5276,15585,15586],{"class":5278,"line":5472},[5276,15587,5427],{"emptyLinePlaceholder":5426},[5276,15589,15590,15592,15594,15596,15598,15600,15602,15604,15607,15609,15611],{"class":5278,"line":5479},[5276,15591,5667],{"class":5296},[5276,15593,9981],{"class":5286},[5276,15595,5329],{"class":5282},[5276,15597,7354],{"class":5332},[5276,15599,5112],{"class":5282},[5276,15601,6615],{"class":5286},[5276,15603,5329],{"class":5282},[5276,15605,15606],{"class":5833},"'nonexistent-user'",[5276,15608,13432],{"class":5282},[5276,15610,12710],{"class":5833},[5276,15612,13601],{"class":5282},[5276,15614,15615,15618,15620,15622,15624,15626,15628],{"class":5278,"line":5515},[5276,15616,15617],{"class":5282},"      .",[5276,15619,10000],{"class":5332},[5276,15621,5112],{"class":5282},[5276,15623,10005],{"class":5286},[5276,15625,5329],{"class":5282},[5276,15627,9338],{"class":5332},[5276,15629,5512],{"class":5282},[5276,15631,15632],{"class":5278,"line":5521},[5276,15633,6344],{"class":5282},[5276,15635,15636],{"class":5278,"line":5527},[5276,15637,5427],{"emptyLinePlaceholder":5426},[5276,15639,15640,15642,15644,15647,15649,15651,15653,15655],{"class":5278,"line":5551},[5276,15641,6355],{"class":5286},[5276,15643,5329],{"class":5282},[5276,15645,15646],{"class":5833},"'should handle undefined product prices'",[5276,15648,5105],{"class":5282},[5276,15650,5958],{"class":5300},[5276,15652,5961],{"class":5282},[5276,15654,5840],{"class":5300},[5276,15656,5308],{"class":5282},[5276,15658,15659,15661,15663,15665,15667,15669,15671,15673,15675,15677,15679,15681,15683,15685,15687],{"class":5278,"line":5556},[5276,15660,6284],{"class":5332},[5276,15662,5112],{"class":5282},[5276,15664,5505],{"class":5332},[5276,15666,5112],{"class":5282},[5276,15668,6488],{"class":5286},[5276,15670,5636],{"class":5282},[5276,15672,6389],{"class":5332},[5276,15674,6392],{"class":5833},[5276,15676,5105],{"class":5282},[5276,15678,13541],{"class":5332},[5276,15680,9023],{"class":5300},[5276,15682,9287],{"class":5282},[5276,15684,9788],{"class":5296},[5276,15686,14150],{"class":5304},[5276,15688,5512],{"class":5282},[5276,15690,15691],{"class":5278,"line":5562},[5276,15692,5518],{"class":5282},[5276,15694,15695],{"class":5278,"line":5603},[5276,15696,15697],{"class":5475},"    \u002F\u002F Продукт без ціни — некоректні дані\n",[5276,15699,15700,15702,15704,15706,15708,15710,15712,15714,15716,15718,15720,15723,15725,15727,15729],{"class":5278,"line":5608},[5276,15701,12604],{"class":5332},[5276,15703,5112],{"class":5282},[5276,15705,11824],{"class":5332},[5276,15707,5112],{"class":5282},[5276,15709,6488],{"class":5286},[5276,15711,13799],{"class":5282},[5276,15713,6389],{"class":5332},[5276,15715,12796],{"class":5833},[5276,15717,5105],{"class":5282},[5276,15719,6634],{"class":5332},[5276,15721,15722],{"class":5300}," undefined",[5276,15724,13812],{"class":5282},[5276,15726,9788],{"class":5296},[5276,15728,7359],{"class":5304},[5276,15730,5512],{"class":5282},[5276,15732,15733],{"class":5278,"line":5614},[5276,15734,5427],{"emptyLinePlaceholder":5426},[5276,15736,15737,15739,15741,15743,15745,15747,15749,15751,15753,15755,15757],{"class":5278,"line":5664},[5276,15738,5667],{"class":5296},[5276,15740,9981],{"class":5286},[5276,15742,5329],{"class":5282},[5276,15744,7354],{"class":5332},[5276,15746,5112],{"class":5282},[5276,15748,6615],{"class":5286},[5276,15750,5329],{"class":5282},[5276,15752,6620],{"class":5833},[5276,15754,13432],{"class":5282},[5276,15756,12710],{"class":5833},[5276,15758,13601],{"class":5282},[5276,15760,15761,15763,15765,15767,15769,15771,15774],{"class":5278,"line":5688},[5276,15762,15617],{"class":5282},[5276,15764,10000],{"class":5332},[5276,15766,5112],{"class":5282},[5276,15768,10005],{"class":5286},[5276,15770,5329],{"class":5282},[5276,15772,15773],{"class":5833},"'Invalid product data'",[5276,15775,5512],{"class":5282},[5276,15777,15778],{"class":5278,"line":5693},[5276,15779,6344],{"class":5282},[5276,15781,15782],{"class":5278,"line":5699},[5276,15783,5427],{"emptyLinePlaceholder":5426},[5276,15785,15786,15788,15790,15793,15795,15797,15799,15801],{"class":5278,"line":5731},[5276,15787,6355],{"class":5286},[5276,15789,5329],{"class":5282},[5276,15791,15792],{"class":5833},"'should handle very large order totals'",[5276,15794,5105],{"class":5282},[5276,15796,5958],{"class":5300},[5276,15798,5961],{"class":5282},[5276,15800,5840],{"class":5300},[5276,15802,5308],{"class":5282},[5276,15804,15805,15807,15809,15811,15813,15815,15817,15819,15821,15823,15825,15827,15829,15831,15834,15836,15838,15840],{"class":5278,"line":5736},[5276,15806,6284],{"class":5332},[5276,15808,5112],{"class":5282},[5276,15810,5505],{"class":5332},[5276,15812,5112],{"class":5282},[5276,15814,6488],{"class":5286},[5276,15816,5636],{"class":5282},[5276,15818,6389],{"class":5332},[5276,15820,6392],{"class":5833},[5276,15822,5105],{"class":5282},[5276,15824,13541],{"class":5332},[5276,15826,9023],{"class":5300},[5276,15828,5105],{"class":5282},[5276,15830,7125],{"class":5332},[5276,15832,15833],{"class":6466}," 10",[5276,15835,9287],{"class":5282},[5276,15837,9788],{"class":5296},[5276,15839,14150],{"class":5304},[5276,15841,5512],{"class":5282},[5276,15843,15844],{"class":5278,"line":5747},[5276,15845,5518],{"class":5282},[5276,15847,15848],{"class":5278,"line":5753},[5276,15849,15850],{"class":5475},"    \u002F\u002F Продукти з дуже високою ціною\n",[5276,15852,15853,15855,15858,15860,15862,15864,15866,15868,15871,15873,15875,15878,15880,15882,15885],{"class":5278,"line":6281},[5276,15854,5482],{"class":5300},[5276,15856,15857],{"class":5485}," expensiveProducts",[5276,15859,5489],{"class":5282},[5276,15861,7521],{"class":5286},[5276,15863,5329],{"class":5282},[5276,15865,6685],{"class":6466},[5276,15867,6677],{"class":5282},[5276,15869,15870],{"class":5286},"fill",[5276,15872,5636],{"class":5282},[5276,15874,6389],{"class":5332},[5276,15876,15877],{"class":5833}," 'prod'",[5276,15879,5105],{"class":5282},[5276,15881,6634],{"class":5332},[5276,15883,15884],{"class":6466}," 1000000",[5276,15886,5661],{"class":5282},[5276,15888,15889,15891,15893,15895,15897,15899,15901,15904],{"class":5278,"line":6301},[5276,15890,12604],{"class":5332},[5276,15892,5112],{"class":5282},[5276,15894,11824],{"class":5332},[5276,15896,5112],{"class":5282},[5276,15898,6488],{"class":5286},[5276,15900,5329],{"class":5282},[5276,15902,15903],{"class":5332},"expensiveProducts",[5276,15905,5512],{"class":5282},[5276,15907,15908],{"class":5278,"line":6321},[5276,15909,5427],{"emptyLinePlaceholder":5426},[5276,15911,15912,15914,15916,15918,15920,15922,15924,15926,15928,15930,15932,15934,15936,15938,15940,15942,15944,15947],{"class":5278,"line":6341},[5276,15913,5482],{"class":5300},[5276,15915,6604],{"class":5485},[5276,15917,5489],{"class":5282},[5276,15919,5492],{"class":5296},[5276,15921,5850],{"class":5332},[5276,15923,5112],{"class":5282},[5276,15925,6615],{"class":5286},[5276,15927,5329],{"class":5282},[5276,15929,6620],{"class":5833},[5276,15931,5105],{"class":5282},[5276,15933,7521],{"class":5286},[5276,15935,5329],{"class":5282},[5276,15937,6685],{"class":6466},[5276,15939,6677],{"class":5282},[5276,15941,15870],{"class":5286},[5276,15943,5329],{"class":5282},[5276,15945,15946],{"class":5833},"'prod'",[5276,15948,6278],{"class":5282},[5276,15950,15951],{"class":5278,"line":6347},[5276,15952,5427],{"emptyLinePlaceholder":5426},[5276,15954,15955],{"class":5278,"line":6352},[5276,15956,15957],{"class":5475},"    \u002F\u002F Перевіряємо, що знижка правильно застосована навіть для великої суми\n",[5276,15959,15960,15962,15964,15966,15968,15970,15972,15974,15976,15979,15981],{"class":5278,"line":6373},[5276,15961,6665],{"class":5286},[5276,15963,5329],{"class":5282},[5276,15965,6670],{"class":5332},[5276,15967,5112],{"class":5282},[5276,15969,7209],{"class":5332},[5276,15971,6677],{"class":5282},[5276,15973,6680],{"class":5286},[5276,15975,5329],{"class":5282},[5276,15977,15978],{"class":6466},"10000000",[5276,15980,7221],{"class":5282},[5276,15982,15983],{"class":5475},"\u002F\u002F 10% від 100 млн\n",[5276,15985,15986,15988,15990,15992,15994,15996,15998,16000,16002,16005],{"class":5278,"line":6379},[5276,15987,6665],{"class":5286},[5276,15989,5329],{"class":5282},[5276,15991,6670],{"class":5332},[5276,15993,5112],{"class":5282},[5276,15995,5598],{"class":5332},[5276,15997,6677],{"class":5282},[5276,15999,6680],{"class":5286},[5276,16001,5329],{"class":5282},[5276,16003,16004],{"class":6466},"90000000",[5276,16006,5512],{"class":5282},[5276,16008,16009],{"class":5278,"line":6414},[5276,16010,6344],{"class":5282},[5276,16012,16013],{"class":5278,"line":6439},[5276,16014,6775],{"class":5282},[6822,16016,16018],{"id":16017},"тестування-асинхронних-помилок","Тестування асинхронних помилок",[5167,16020,16021],{},"Коли метод викликає асинхронні залежності, які можуть викинути помилку:",[5267,16023,16025],{"className":5269,"code":16024,"language":5271,"meta":5272,"style":5272},"it('should handle database connection errors gracefully', async () => {\n  userService.findById.mockResolvedValue({ id: '1', isActive: true } as User);\n  productService.findByIds.mockResolvedValue([{ id: 'prod-1', price: 100 }] as any);\n  \n  \u002F\u002F Симулюємо помилку БД\n  repository.save.mockRejectedValue(new Error('Database connection timeout'));\n\n  await expect(service.createOrder('1', ['prod-1']))\n    .rejects.toThrow('Database connection timeout');\n});\n\nit('should retry payment on temporary failure', async () => {\n  \u002F\u002F Перший виклик падає, другий успішний\n  paymentGateway.charge\n    .mockRejectedValueOnce(new Error('Payment gateway timeout'))\n    .mockResolvedValueOnce({ id: 'pay-123', status: 'success' });\n\n  const result = await service.createOrderWithRetry('user-1', ['prod-1']);\n\n  \u002F\u002F Перевіряємо, що метод викликався двічі (retry логіка)\n  expect(paymentGateway.charge).toHaveBeenCalledTimes(2);\n  expect(result.paymentId).toBe('pay-123');\n});\n",[5102,16026,16027,16046,16078,16111,16115,16120,16145,16149,16173,16190,16194,16198,16217,16222,16232,16253,16275,16279,16306,16310,16315,16337,16361],{"__ignoreMap":5272},[5276,16028,16029,16031,16033,16036,16038,16040,16042,16044],{"class":5278,"line":5279},[5276,16030,6860],{"class":5286},[5276,16032,5329],{"class":5282},[5276,16034,16035],{"class":5833},"'should handle database connection errors gracefully'",[5276,16037,5105],{"class":5282},[5276,16039,5958],{"class":5300},[5276,16041,5961],{"class":5282},[5276,16043,5840],{"class":5300},[5276,16045,5308],{"class":5282},[5276,16047,16048,16050,16052,16054,16056,16058,16060,16062,16064,16066,16068,16070,16072,16074,16076],{"class":5278,"line":5293},[5276,16049,14129],{"class":5332},[5276,16051,5112],{"class":5282},[5276,16053,5505],{"class":5332},[5276,16055,5112],{"class":5282},[5276,16057,6488],{"class":5286},[5276,16059,5636],{"class":5282},[5276,16061,6389],{"class":5332},[5276,16063,6392],{"class":5833},[5276,16065,5105],{"class":5282},[5276,16067,13541],{"class":5332},[5276,16069,9023],{"class":5300},[5276,16071,9287],{"class":5282},[5276,16073,9788],{"class":5296},[5276,16075,14150],{"class":5304},[5276,16077,5512],{"class":5282},[5276,16079,16080,16083,16085,16087,16089,16091,16093,16095,16097,16099,16101,16103,16105,16107,16109],{"class":5278,"line":5311},[5276,16081,16082],{"class":5332},"  productService",[5276,16084,5112],{"class":5282},[5276,16086,11824],{"class":5332},[5276,16088,5112],{"class":5282},[5276,16090,6488],{"class":5286},[5276,16092,13799],{"class":5282},[5276,16094,6389],{"class":5332},[5276,16096,12796],{"class":5833},[5276,16098,5105],{"class":5282},[5276,16100,6634],{"class":5332},[5276,16102,6467],{"class":6466},[5276,16104,13812],{"class":5282},[5276,16106,9788],{"class":5296},[5276,16108,7359],{"class":5304},[5276,16110,5512],{"class":5282},[5276,16112,16113],{"class":5278,"line":5320},[5276,16114,7328],{"class":5282},[5276,16116,16117],{"class":5278,"line":5339},[5276,16118,16119],{"class":5475},"  \u002F\u002F Симулюємо помилку БД\n",[5276,16121,16122,16124,16126,16128,16130,16132,16134,16136,16138,16140,16143],{"class":5278,"line":5365},[5276,16123,14008],{"class":5332},[5276,16125,5112],{"class":5282},[5276,16127,5678],{"class":5332},[5276,16129,5112],{"class":5282},[5276,16131,8453],{"class":5286},[5276,16133,5329],{"class":5282},[5276,16135,6911],{"class":5300},[5276,16137,8460],{"class":5286},[5276,16139,5329],{"class":5282},[5276,16141,16142],{"class":5833},"'Database connection timeout'",[5276,16144,6278],{"class":5282},[5276,16146,16147],{"class":5278,"line":5383},[5276,16148,5427],{"emptyLinePlaceholder":5426},[5276,16150,16151,16153,16155,16157,16159,16161,16163,16165,16167,16169,16171],{"class":5278,"line":5400},[5276,16152,6934],{"class":5296},[5276,16154,9981],{"class":5286},[5276,16156,5329],{"class":5282},[5276,16158,7354],{"class":5332},[5276,16160,5112],{"class":5282},[5276,16162,6615],{"class":5286},[5276,16164,5329],{"class":5282},[5276,16166,6620],{"class":5833},[5276,16168,13432],{"class":5282},[5276,16170,12710],{"class":5833},[5276,16172,13601],{"class":5282},[5276,16174,16175,16178,16180,16182,16184,16186,16188],{"class":5278,"line":5417},[5276,16176,16177],{"class":5282},"    .",[5276,16179,10000],{"class":5332},[5276,16181,5112],{"class":5282},[5276,16183,10005],{"class":5286},[5276,16185,5329],{"class":5282},[5276,16187,16142],{"class":5833},[5276,16189,5512],{"class":5282},[5276,16191,16192],{"class":5278,"line":5423},[5276,16193,6775],{"class":5282},[5276,16195,16196],{"class":5278,"line":5430},[5276,16197,5427],{"emptyLinePlaceholder":5426},[5276,16199,16200,16202,16204,16207,16209,16211,16213,16215],{"class":5278,"line":5472},[5276,16201,6860],{"class":5286},[5276,16203,5329],{"class":5282},[5276,16205,16206],{"class":5833},"'should retry payment on temporary failure'",[5276,16208,5105],{"class":5282},[5276,16210,5958],{"class":5300},[5276,16212,5961],{"class":5282},[5276,16214,5840],{"class":5300},[5276,16216,5308],{"class":5282},[5276,16218,16219],{"class":5278,"line":5479},[5276,16220,16221],{"class":5475},"  \u002F\u002F Перший виклик падає, другий успішний\n",[5276,16223,16224,16227,16229],{"class":5278,"line":5515},[5276,16225,16226],{"class":5332},"  paymentGateway",[5276,16228,5112],{"class":5282},[5276,16230,16231],{"class":5332},"charge\n",[5276,16233,16234,16236,16239,16241,16243,16245,16247,16250],{"class":5278,"line":5521},[5276,16235,16177],{"class":5282},[5276,16237,16238],{"class":5286},"mockRejectedValueOnce",[5276,16240,5329],{"class":5282},[5276,16242,6911],{"class":5300},[5276,16244,8460],{"class":5286},[5276,16246,5329],{"class":5282},[5276,16248,16249],{"class":5833},"'Payment gateway timeout'",[5276,16251,16252],{"class":5282},"))\n",[5276,16254,16255,16257,16260,16262,16264,16267,16269,16271,16273],{"class":5278,"line":5527},[5276,16256,16177],{"class":5282},[5276,16258,16259],{"class":5286},"mockResolvedValueOnce",[5276,16261,5636],{"class":5282},[5276,16263,6389],{"class":5332},[5276,16265,16266],{"class":5833}," 'pay-123'",[5276,16268,5105],{"class":5282},[5276,16270,6431],{"class":5332},[5276,16272,6434],{"class":5833},[5276,16274,5661],{"class":5282},[5276,16276,16277],{"class":5278,"line":5551},[5276,16278,5427],{"emptyLinePlaceholder":5426},[5276,16280,16281,16283,16285,16287,16289,16291,16293,16296,16298,16300,16302,16304],{"class":5278,"line":5556},[5276,16282,6885],{"class":5300},[5276,16284,6604],{"class":5485},[5276,16286,5489],{"class":5282},[5276,16288,5492],{"class":5296},[5276,16290,5850],{"class":5332},[5276,16292,5112],{"class":5282},[5276,16294,16295],{"class":5286},"createOrderWithRetry",[5276,16297,5329],{"class":5282},[5276,16299,12695],{"class":5833},[5276,16301,13432],{"class":5282},[5276,16303,12710],{"class":5833},[5276,16305,13437],{"class":5282},[5276,16307,16308],{"class":5278,"line":5562},[5276,16309,5427],{"emptyLinePlaceholder":5426},[5276,16311,16312],{"class":5278,"line":5603},[5276,16313,16314],{"class":5475},"  \u002F\u002F Перевіряємо, що метод викликався двічі (retry логіка)\n",[5276,16316,16317,16319,16321,16323,16325,16327,16329,16331,16333,16335],{"class":5278,"line":5608},[5276,16318,6967],{"class":5286},[5276,16320,5329],{"class":5282},[5276,16322,5578],{"class":5332},[5276,16324,5112],{"class":5282},[5276,16326,5583],{"class":5332},[5276,16328,6677],{"class":5282},[5276,16330,7003],{"class":5286},[5276,16332,5329],{"class":5282},[5276,16334,7806],{"class":6466},[5276,16336,5512],{"class":5282},[5276,16338,16339,16341,16343,16345,16347,16350,16352,16354,16356,16359],{"class":5278,"line":5614},[5276,16340,6967],{"class":5286},[5276,16342,5329],{"class":5282},[5276,16344,6670],{"class":5332},[5276,16346,5112],{"class":5282},[5276,16348,16349],{"class":5332},"paymentId",[5276,16351,6677],{"class":5282},[5276,16353,6680],{"class":5286},[5276,16355,5329],{"class":5282},[5276,16357,16358],{"class":5833},"'pay-123'",[5276,16360,5512],{"class":5282},[5276,16362,16363],{"class":5278,"line":5664},[5276,16364,6775],{"class":5282},[6822,16366,16368],{"id":16367},"тестування-умовної-логіки-та-branch-coverage","Тестування умовної логіки та branch coverage",[5167,16370,16371,16372,5257,16375,16378],{},"Переконайтеся, що всі ",[5130,16373,16374],{},"гілки",[5259,16376,16377],{},"branches",") коду покриті тестами:",[5267,16380,16382],{"className":5269,"code":16381,"language":5271,"meta":5272,"style":5272},"\u002F\u002F Метод із складною умовною логікою\nasync applyDiscount(userId: string, total: number): Promise\u003Cnumber> {\n  const user = await this.userService.findById(userId);\n  \n  \u002F\u002F Гілка 1: Новий користувач\n  if (user.orderCount === 0) {\n    return total * 0.05; \u002F\u002F 5% знижка для нових\n  }\n  \n  \u002F\u002F Гілка 2: Постійний клієнт\n  if (user.orderCount >= 10) {\n    return total * 0.2; \u002F\u002F 20% знижка\n  }\n  \n  \u002F\u002F Гілка 3: Звичайний клієнт\n  if (user.orderCount >= 5) {\n    return total * 0.1; \u002F\u002F 10% знижка\n  }\n  \n  \u002F\u002F Гілка 4: Без знижки\n  return 0;\n}\n\n\u002F\u002F Тести для всіх гілок\ndescribe('applyDiscount', () => {\n  it('should apply 5% discount for new customers', async () => {\n    userService.findById.mockResolvedValue({ id: '1', orderCount: 0 } as User);\n    expect(await service.applyDiscount('1', 100)).toBe(5);\n  });\n\n  it('should apply 10% discount for customers with 5-9 orders', async () => {\n    userService.findById.mockResolvedValue({ id: '1', orderCount: 7 } as User);\n    expect(await service.applyDiscount('1', 100)).toBe(10);\n  });\n\n  it('should apply 20% discount for loyal customers with 10+ orders', async () => {\n    userService.findById.mockResolvedValue({ id: '1', orderCount: 15 } as User);\n    expect(await service.applyDiscount('1', 100)).toBe(20);\n  });\n\n  it('should apply no discount for customers with 1-4 orders', async () => {\n    userService.findById.mockResolvedValue({ id: '1', orderCount: 3 } as User);\n    expect(await service.applyDiscount('1', 100)).toBe(0);\n  });\n});\n",[5102,16383,16384,16389,16423,16450,16454,16459,16467,16483,16487,16491,16496,16508,16524,16528,16532,16537,16547,16562,16566,16570,16575,16584,16588,16592,16597,16612,16631,16663,16696,16700,16704,16723,16755,16787,16791,16795,16814,16846,16879,16883,16887,16906,16939,16971,16975],{"__ignoreMap":5272},[5276,16385,16386],{"class":5278,"line":5279},[5276,16387,16388],{"class":5475},"\u002F\u002F Метод із складною умовною логікою\n",[5276,16390,16391,16393,16396,16398,16400,16402,16404,16406,16408,16410,16413,16415,16417,16419,16421],{"class":5278,"line":5293},[5276,16392,5958],{"class":5332},[5276,16394,16395],{"class":5286}," applyDiscount",[5276,16397,5329],{"class":5282},[5276,16399,5441],{"class":5332},[5276,16401,5351],{"class":5282},[5276,16403,5446],{"class":5332},[5276,16405,5105],{"class":5282},[5276,16407,5598],{"class":5332},[5276,16409,5351],{"class":5282},[5276,16411,16412],{"class":5332},"number",[5276,16414,7591],{"class":5282},[5276,16416,5462],{"class":5304},[5276,16418,5357],{"class":5282},[5276,16420,16412],{"class":5332},[5276,16422,5469],{"class":5282},[5276,16424,16425,16428,16430,16432,16434,16436,16438,16440,16442,16444,16446,16448],{"class":5278,"line":5311},[5276,16426,16427],{"class":5282},"  const ",[5276,16429,5588],{"class":5332},[5276,16431,5489],{"class":5282},[5276,16433,5492],{"class":5296},[5276,16435,5495],{"class":5300},[5276,16437,5112],{"class":5282},[5276,16439,5500],{"class":5332},[5276,16441,5112],{"class":5282},[5276,16443,5505],{"class":5286},[5276,16445,5329],{"class":5282},[5276,16447,5441],{"class":5332},[5276,16449,5512],{"class":5282},[5276,16451,16452],{"class":5278,"line":5320},[5276,16453,7328],{"class":5282},[5276,16455,16456],{"class":5278,"line":5339},[5276,16457,16458],{"class":5475},"  \u002F\u002F Гілка 1: Новий користувач\n",[5276,16460,16461,16464],{"class":5278,"line":5365},[5276,16462,16463],{"class":5286},"  if",[5276,16465,16466],{"class":5282}," (user.orderCount === 0) {\n",[5276,16468,16469,16471,16473,16475,16478,16480],{"class":5278,"line":5383},[5276,16470,5739],{"class":5296},[5276,16472,5532],{"class":5332},[5276,16474,11970],{"class":5282},[5276,16476,16477],{"class":6466},"0.05",[5276,16479,7534],{"class":5282},[5276,16481,16482],{"class":5475},"\u002F\u002F 5% знижка для нових\n",[5276,16484,16485],{"class":5278,"line":5400},[5276,16486,5750],{"class":5282},[5276,16488,16489],{"class":5278,"line":5417},[5276,16490,7328],{"class":5282},[5276,16492,16493],{"class":5278,"line":5423},[5276,16494,16495],{"class":5475},"  \u002F\u002F Гілка 2: Постійний клієнт\n",[5276,16497,16498,16500,16503,16506],{"class":5278,"line":5430},[5276,16499,16463],{"class":5286},[5276,16501,16502],{"class":5282}," (user.orderCount >= ",[5276,16504,16505],{"class":6466},"10",[5276,16507,8502],{"class":5282},[5276,16509,16510,16512,16514,16516,16519,16521],{"class":5278,"line":5472},[5276,16511,5739],{"class":5296},[5276,16513,5532],{"class":5332},[5276,16515,11970],{"class":5282},[5276,16517,16518],{"class":6466},"0.2",[5276,16520,7534],{"class":5282},[5276,16522,16523],{"class":5475},"\u002F\u002F 20% знижка\n",[5276,16525,16526],{"class":5278,"line":5479},[5276,16527,5750],{"class":5282},[5276,16529,16530],{"class":5278,"line":5515},[5276,16531,7328],{"class":5282},[5276,16533,16534],{"class":5278,"line":5521},[5276,16535,16536],{"class":5475},"  \u002F\u002F Гілка 3: Звичайний клієнт\n",[5276,16538,16539,16541,16543,16545],{"class":5278,"line":5527},[5276,16540,16463],{"class":5286},[5276,16542,16502],{"class":5282},[5276,16544,11962],{"class":6466},[5276,16546,8502],{"class":5282},[5276,16548,16549,16551,16553,16555,16557,16559],{"class":5278,"line":5551},[5276,16550,5739],{"class":5296},[5276,16552,5532],{"class":5332},[5276,16554,11970],{"class":5282},[5276,16556,11973],{"class":6466},[5276,16558,7534],{"class":5282},[5276,16560,16561],{"class":5475},"\u002F\u002F 10% знижка\n",[5276,16563,16564],{"class":5278,"line":5556},[5276,16565,5750],{"class":5282},[5276,16567,16568],{"class":5278,"line":5562},[5276,16569,7328],{"class":5282},[5276,16571,16572],{"class":5278,"line":5603},[5276,16573,16574],{"class":5475},"  \u002F\u002F Гілка 4: Без знижки\n",[5276,16576,16577,16580,16582],{"class":5278,"line":5608},[5276,16578,16579],{"class":5282},"  return ",[5276,16581,7826],{"class":6466},[5276,16583,5744],{"class":5332},[5276,16585,16586],{"class":5278,"line":5614},[5276,16587,5756],{"class":5282},[5276,16589,16590],{"class":5278,"line":5664},[5276,16591,5427],{"emptyLinePlaceholder":5426},[5276,16593,16594],{"class":5278,"line":5688},[5276,16595,16596],{"class":5475},"\u002F\u002F Тести для всіх гілок\n",[5276,16598,16599,16601,16603,16606,16608,16610],{"class":5278,"line":5693},[5276,16600,5828],{"class":5286},[5276,16602,5329],{"class":5282},[5276,16604,16605],{"class":5833},"'applyDiscount'",[5276,16607,5837],{"class":5282},[5276,16609,5840],{"class":5300},[5276,16611,5308],{"class":5282},[5276,16613,16614,16616,16618,16621,16623,16625,16627,16629],{"class":5278,"line":5699},[5276,16615,6355],{"class":5286},[5276,16617,5329],{"class":5282},[5276,16619,16620],{"class":5833},"'should apply 5% discount for new customers'",[5276,16622,5105],{"class":5282},[5276,16624,5958],{"class":5300},[5276,16626,5961],{"class":5282},[5276,16628,5840],{"class":5300},[5276,16630,5308],{"class":5282},[5276,16632,16633,16635,16637,16639,16641,16643,16645,16647,16649,16651,16653,16655,16657,16659,16661],{"class":5278,"line":5731},[5276,16634,6284],{"class":5332},[5276,16636,5112],{"class":5282},[5276,16638,5505],{"class":5332},[5276,16640,5112],{"class":5282},[5276,16642,6488],{"class":5286},[5276,16644,5636],{"class":5282},[5276,16646,6389],{"class":5332},[5276,16648,6392],{"class":5833},[5276,16650,5105],{"class":5282},[5276,16652,7125],{"class":5332},[5276,16654,13360],{"class":6466},[5276,16656,9287],{"class":5282},[5276,16658,9788],{"class":5296},[5276,16660,14150],{"class":5304},[5276,16662,5512],{"class":5282},[5276,16664,16665,16667,16669,16671,16673,16675,16678,16680,16682,16684,16686,16688,16690,16692,16694],{"class":5278,"line":5736},[5276,16666,6665],{"class":5286},[5276,16668,5329],{"class":5282},[5276,16670,5492],{"class":5296},[5276,16672,5850],{"class":5332},[5276,16674,5112],{"class":5282},[5276,16676,16677],{"class":5286},"applyDiscount",[5276,16679,5329],{"class":5282},[5276,16681,6620],{"class":5833},[5276,16683,5105],{"class":5282},[5276,16685,6685],{"class":6466},[5276,16687,9997],{"class":5282},[5276,16689,6680],{"class":5286},[5276,16691,5329],{"class":5282},[5276,16693,11962],{"class":6466},[5276,16695,5512],{"class":5282},[5276,16697,16698],{"class":5278,"line":5747},[5276,16699,6344],{"class":5282},[5276,16701,16702],{"class":5278,"line":5753},[5276,16703,5427],{"emptyLinePlaceholder":5426},[5276,16705,16706,16708,16710,16713,16715,16717,16719,16721],{"class":5278,"line":6281},[5276,16707,6355],{"class":5286},[5276,16709,5329],{"class":5282},[5276,16711,16712],{"class":5833},"'should apply 10% discount for customers with 5-9 orders'",[5276,16714,5105],{"class":5282},[5276,16716,5958],{"class":5300},[5276,16718,5961],{"class":5282},[5276,16720,5840],{"class":5300},[5276,16722,5308],{"class":5282},[5276,16724,16725,16727,16729,16731,16733,16735,16737,16739,16741,16743,16745,16747,16749,16751,16753],{"class":5278,"line":6301},[5276,16726,6284],{"class":5332},[5276,16728,5112],{"class":5282},[5276,16730,5505],{"class":5332},[5276,16732,5112],{"class":5282},[5276,16734,6488],{"class":5286},[5276,16736,5636],{"class":5282},[5276,16738,6389],{"class":5332},[5276,16740,6392],{"class":5833},[5276,16742,5105],{"class":5282},[5276,16744,7125],{"class":5332},[5276,16746,7128],{"class":6466},[5276,16748,9287],{"class":5282},[5276,16750,9788],{"class":5296},[5276,16752,14150],{"class":5304},[5276,16754,5512],{"class":5282},[5276,16756,16757,16759,16761,16763,16765,16767,16769,16771,16773,16775,16777,16779,16781,16783,16785],{"class":5278,"line":6321},[5276,16758,6665],{"class":5286},[5276,16760,5329],{"class":5282},[5276,16762,5492],{"class":5296},[5276,16764,5850],{"class":5332},[5276,16766,5112],{"class":5282},[5276,16768,16677],{"class":5286},[5276,16770,5329],{"class":5282},[5276,16772,6620],{"class":5833},[5276,16774,5105],{"class":5282},[5276,16776,6685],{"class":6466},[5276,16778,9997],{"class":5282},[5276,16780,6680],{"class":5286},[5276,16782,5329],{"class":5282},[5276,16784,16505],{"class":6466},[5276,16786,5512],{"class":5282},[5276,16788,16789],{"class":5278,"line":6341},[5276,16790,6344],{"class":5282},[5276,16792,16793],{"class":5278,"line":6347},[5276,16794,5427],{"emptyLinePlaceholder":5426},[5276,16796,16797,16799,16801,16804,16806,16808,16810,16812],{"class":5278,"line":6352},[5276,16798,6355],{"class":5286},[5276,16800,5329],{"class":5282},[5276,16802,16803],{"class":5833},"'should apply 20% discount for loyal customers with 10+ orders'",[5276,16805,5105],{"class":5282},[5276,16807,5958],{"class":5300},[5276,16809,5961],{"class":5282},[5276,16811,5840],{"class":5300},[5276,16813,5308],{"class":5282},[5276,16815,16816,16818,16820,16822,16824,16826,16828,16830,16832,16834,16836,16838,16840,16842,16844],{"class":5278,"line":6373},[5276,16817,6284],{"class":5332},[5276,16819,5112],{"class":5282},[5276,16821,5505],{"class":5332},[5276,16823,5112],{"class":5282},[5276,16825,6488],{"class":5286},[5276,16827,5636],{"class":5282},[5276,16829,6389],{"class":5332},[5276,16831,6392],{"class":5833},[5276,16833,5105],{"class":5282},[5276,16835,7125],{"class":5332},[5276,16837,12897],{"class":6466},[5276,16839,9287],{"class":5282},[5276,16841,9788],{"class":5296},[5276,16843,14150],{"class":5304},[5276,16845,5512],{"class":5282},[5276,16847,16848,16850,16852,16854,16856,16858,16860,16862,16864,16866,16868,16870,16872,16874,16877],{"class":5278,"line":6379},[5276,16849,6665],{"class":5286},[5276,16851,5329],{"class":5282},[5276,16853,5492],{"class":5296},[5276,16855,5850],{"class":5332},[5276,16857,5112],{"class":5282},[5276,16859,16677],{"class":5286},[5276,16861,5329],{"class":5282},[5276,16863,6620],{"class":5833},[5276,16865,5105],{"class":5282},[5276,16867,6685],{"class":6466},[5276,16869,9997],{"class":5282},[5276,16871,6680],{"class":5286},[5276,16873,5329],{"class":5282},[5276,16875,16876],{"class":6466},"20",[5276,16878,5512],{"class":5282},[5276,16880,16881],{"class":5278,"line":6414},[5276,16882,6344],{"class":5282},[5276,16884,16885],{"class":5278,"line":6439},[5276,16886,5427],{"emptyLinePlaceholder":5426},[5276,16888,16889,16891,16893,16896,16898,16900,16902,16904],{"class":5278,"line":6472},[5276,16890,6355],{"class":5286},[5276,16892,5329],{"class":5282},[5276,16894,16895],{"class":5833},"'should apply no discount for customers with 1-4 orders'",[5276,16897,5105],{"class":5282},[5276,16899,5958],{"class":5300},[5276,16901,5961],{"class":5282},[5276,16903,5840],{"class":5300},[5276,16905,5308],{"class":5282},[5276,16907,16908,16910,16912,16914,16916,16918,16920,16922,16924,16926,16928,16931,16933,16935,16937],{"class":5278,"line":6477},[5276,16909,6284],{"class":5332},[5276,16911,5112],{"class":5282},[5276,16913,5505],{"class":5332},[5276,16915,5112],{"class":5282},[5276,16917,6488],{"class":5286},[5276,16919,5636],{"class":5282},[5276,16921,6389],{"class":5332},[5276,16923,6392],{"class":5833},[5276,16925,5105],{"class":5282},[5276,16927,7125],{"class":5332},[5276,16929,16930],{"class":6466}," 3",[5276,16932,9287],{"class":5282},[5276,16934,9788],{"class":5296},[5276,16936,14150],{"class":5304},[5276,16938,5512],{"class":5282},[5276,16940,16941,16943,16945,16947,16949,16951,16953,16955,16957,16959,16961,16963,16965,16967,16969],{"class":5278,"line":6498},[5276,16942,6665],{"class":5286},[5276,16944,5329],{"class":5282},[5276,16946,5492],{"class":5296},[5276,16948,5850],{"class":5332},[5276,16950,5112],{"class":5282},[5276,16952,16677],{"class":5286},[5276,16954,5329],{"class":5282},[5276,16956,6620],{"class":5833},[5276,16958,5105],{"class":5282},[5276,16960,6685],{"class":6466},[5276,16962,9997],{"class":5282},[5276,16964,6680],{"class":5286},[5276,16966,5329],{"class":5282},[5276,16968,7826],{"class":6466},[5276,16970,5512],{"class":5282},[5276,16972,16973],{"class":5278,"line":6518},[5276,16974,6344],{"class":5282},[5276,16976,16977],{"class":5278,"line":6545},[5276,16978,6775],{"class":5282},[5167,16980,16981,16982,16985],{},"Ці чотири тести покривають ",[5130,16983,16984],{},"всі чотири гілки"," умовної логіки, забезпечуючи 100% branch coverage для цього методу.",[6787,16987,16988,16998,17066],{},[5167,16989,16990,16993,16994,16997],{},[5130,16991,16992],{},"Branch coverage"," — це метрика, що показує відсоток покритих гілок коду (if\u002Felse, switch cases, тернарні оператори). Вона часто важливіша за ",[5130,16995,16996],{},"line coverage",", оскільки може бути ситуація, коли рядок коду виконується, але не всі його гілки перевірені:",[5267,16999,17001],{"className":5269,"code":17000,"language":5271,"meta":5272,"style":5272},"const result = user.isActive ? doSomething() : doOther(); \u002F\u002F Один рядок, дві гілки\n\n\u002F\u002F Тест, що викликає лише одну гілку:\nuserService.findById.mockResolvedValue({ isActive: true }); \u002F\u002F Покрито лише doSomething()\n",[5102,17002,17003,17033,17037,17042],{"__ignoreMap":5272},[5276,17004,17005,17007,17009,17011,17013,17015,17017,17019,17022,17025,17028,17030],{"class":5278,"line":5279},[5276,17006,7911],{"class":5300},[5276,17008,6604],{"class":5485},[5276,17010,5489],{"class":5282},[5276,17012,5588],{"class":5332},[5276,17014,5112],{"class":5282},[5276,17016,11770],{"class":5332},[5276,17018,11965],{"class":5282},[5276,17020,17021],{"class":5286},"doSomething",[5276,17023,17024],{"class":5282},"() : ",[5276,17026,17027],{"class":5286},"doOther",[5276,17029,8372],{"class":5282},[5276,17031,17032],{"class":5475},"\u002F\u002F Один рядок, дві гілки\n",[5276,17034,17035],{"class":5278,"line":5293},[5276,17036,5427],{"emptyLinePlaceholder":5426},[5276,17038,17039],{"class":5278,"line":5311},[5276,17040,17041],{"class":5475},"\u002F\u002F Тест, що викликає лише одну гілку:\n",[5276,17043,17044,17046,17048,17050,17052,17054,17056,17058,17060,17063],{"class":5278,"line":5320},[5276,17045,5500],{"class":5332},[5276,17047,5112],{"class":5282},[5276,17049,5505],{"class":5332},[5276,17051,5112],{"class":5282},[5276,17053,6488],{"class":5286},[5276,17055,5636],{"class":5282},[5276,17057,13541],{"class":5332},[5276,17059,9023],{"class":5300},[5276,17061,17062],{"class":5282}," }); ",[5276,17064,17065],{"class":5475},"\u002F\u002F Покрито лише doSomething()\n",[5167,17067,17068,17069,17072],{},"Цей тест досягне 100% line coverage, але лише 50% branch coverage. Додайте другий тест для ",[5102,17070,17071],{},"isActive: false",", щоб покрити обидві гілки.",[5159,17074],{},[5162,17076,17078],{"id":17077},"code-coverage-метрики","Code Coverage метрики",[5167,17080,17081,17082,5112],{},"Після написання Unit тестів важливо оцінити якість покриття коду. Jest автоматично збирає метрики coverage при запуску з прапором ",[5102,17083,17084],{},"--coverage",[6822,17086,17088],{"id":17087},"запуск-coverage-звіту","Запуск coverage звіту",[5267,17090,17094],{"className":17091,"code":17092,"language":17093,"meta":5272,"style":5272},"language-bash shiki shiki-themes light-plus dark-plus dark-plus","npm run test:cov\n\n# Або напряму через Jest\njest --coverage\n","bash",[5102,17095,17096,17107,17111,17116],{"__ignoreMap":5272},[5276,17097,17098,17101,17104],{"class":5278,"line":5279},[5276,17099,17100],{"class":5286},"npm",[5276,17102,17103],{"class":5833}," run",[5276,17105,17106],{"class":5833}," test:cov\n",[5276,17108,17109],{"class":5278,"line":5293},[5276,17110,5427],{"emptyLinePlaceholder":5426},[5276,17112,17113],{"class":5278,"line":5311},[5276,17114,17115],{"class":5475},"# Або напряму через Jest\n",[5276,17117,17118,17120],{"class":5278,"line":5320},[5276,17119,5867],{"class":5286},[5276,17121,17122],{"class":5300}," --coverage\n",[5167,17124,17125],{},"Результат у терміналі:",[17127,17128,17130,17143,17146,17150,17154,17158,17161,17169,17176,17182,17207,17226,17243,17263,17280,17297,17314,17320,17323,17331,17339],"terminal-preview",{":cursor":10807,"title":17129},"npm run test:cov",[17131,17132,17134,13944,17139],"div",{"className":17133},[5278],[5276,17135,17138],{"className":17136},[17137],"opacity-40","$",[5130,17140,17129],{"className":17141},[17142],"font-bold",[17131,17144],{"className":17145},[5278],[17131,17147,17149],{"className":17148},[5278]," PASS  src\u002Forder\u002Forder.service.spec.ts",[17131,17151,17153],{"className":17152},[5278]," PASS  src\u002Fuser\u002Fuser.service.spec.ts",[17131,17155,17157],{"className":17156},[5278]," PASS  src\u002Fpost\u002Fpost.service.spec.ts",[17131,17159],{"className":17160},[5278],[17131,17162,17164],{"className":17163},[5278],[5276,17165,17168],{"className":17166},[17167,17142],"text-blue-400","-----------------|---------|----------|---------|---------|-------------------",[17131,17170,17172],{"className":17171},[5278],[5276,17173,17175],{"className":17174},[17167,17142],"File             | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s",[17131,17177,17179],{"className":17178},[5278],[5276,17180,17168],{"className":17181},[17167,17142],[17131,17183,17185,17186,17191,17192,17196,17197,17201,17202,17206],{"className":17184},[5278],"All files        |   ",[5276,17187,17190],{"className":17188},[17189,17142],"text-green-400","92.5","   |   ",[5276,17193,17195],{"className":17194},[17189,17142],"87.3","    |  ",[5276,17198,17200],{"className":17199},[17189,17142],"95.2","   |  ",[5276,17203,17205],{"className":17204},[17189,17142],"93.1","   |",[17131,17208,17210,17211,17191,17215,17196,17219,17196,17222,17206],{"className":17209},[5278]," order           |   ",[5276,17212,17214],{"className":17213},[17189,17142],"95.0",[5276,17216,17218],{"className":17217},[17189,17142],"90.0",[5276,17220,6685],{"className":17221},[17189,17142],[5276,17223,17225],{"className":17224},[17189,17142],"96.0",[17131,17227,17229,17230,17191,17233,17196,17236,17196,17239,17242],{"className":17228},[5278],"  order.service  |   ",[5276,17231,17214],{"className":17232},[17189,17142],[5276,17234,17218],{"className":17235},[17189,17142],[5276,17237,6685],{"className":17238},[17189,17142],[5276,17240,17225],{"className":17241},[17189,17142],"   | 45,67",[17131,17244,17246,17247,17191,17251,17196,17256,17201,17259,17206],{"className":17245},[5278]," user            |   ",[5276,17248,17250],{"className":17249},[17189,17142],"88.5",[5276,17252,17255],{"className":17253},[17254,17142],"text-yellow-400","75.0",[5276,17257,17218],{"className":17258},[17189,17142],[5276,17260,17262],{"className":17261},[17189,17142],"89.2",[17131,17264,17266,17267,17191,17270,17196,17273,17201,17276,17279],{"className":17265},[5278],"  user.service   |   ",[5276,17268,17250],{"className":17269},[17189,17142],[5276,17271,17255],{"className":17272},[17254,17142],[5276,17274,17218],{"className":17275},[17189,17142],[5276,17277,17262],{"className":17278},[17189,17142],"   | 23,56-58",[17131,17281,17283,17284,17191,17288,17196,17291,17196,17294,17206],{"className":17282},[5278]," post            |   ",[5276,17285,17287],{"className":17286},[17189,17142],"94.2",[5276,17289,17190],{"className":17290},[17189,17142],[5276,17292,6685],{"className":17293},[17189,17142],[5276,17295,17214],{"className":17296},[17189,17142],[17131,17298,17300,17301,17191,17304,17196,17307,17196,17310,17313],{"className":17299},[5278],"  post.service   |   ",[5276,17302,17287],{"className":17303},[17189,17142],[5276,17305,17190],{"className":17306},[17189,17142],[5276,17308,6685],{"className":17309},[17189,17142],[5276,17311,17214],{"className":17312},[17189,17142],"   | 78",[17131,17315,17317],{"className":17316},[5278],[5276,17318,17168],{"className":17319},[17167,17142],[17131,17321],{"className":17322},[5278],[17131,17324,17326,17330],{"className":17325},[5278],[5276,17327,17329],{"className":17328},[17189,17142],"Test Suites: 3 passed",", 3 total",[17131,17332,17334,17338],{"className":17333},[5278],[5276,17335,17337],{"className":17336},[17189,17142],"Tests:       24 passed",", 24 total",[17131,17340,17342,17343],{"className":17341},[5278],"Coverage report generated in ",[5276,17344,17346],{"className":17345},[17167],"coverage\u002Flcov-report\u002Findex.html",[6822,17348,17350],{"id":17349},"типи-coverage-метрик","Типи coverage метрик",[5167,17352,17353],{},"Jest вимірює чотири типи покриття:",[5167,17355,17356,17359,17360,5257,17363,17366],{},[5130,17357,17358],{},"1. Statement Coverage (% Stmts)"," — відсоток виконаних ",[5130,17361,17362],{},"інструкцій",[5259,17364,17365],{},"statements",") коду. Інструкція — це будь-який рядок коду, що виконує дію: присвоєння значення, виклик функції, return тощо.",[5267,17368,17370],{"className":5269,"code":17369,"language":5271,"meta":5272,"style":5272},"const total = price * quantity; \u002F\u002F Statement 1\nreturn total;                   \u002F\u002F Statement 2\n",[5102,17371,17372,17392],{"__ignoreMap":5272},[5276,17373,17374,17376,17378,17380,17382,17384,17387,17389],{"class":5278,"line":5279},[5276,17375,7911],{"class":5300},[5276,17377,5532],{"class":5485},[5276,17379,5489],{"class":5282},[5276,17381,11926],{"class":5332},[5276,17383,11970],{"class":5282},[5276,17385,17386],{"class":5332},"quantity",[5276,17388,7534],{"class":5282},[5276,17390,17391],{"class":5475},"\u002F\u002F Statement 1\n",[5276,17393,17394,17397,17399,17402],{"class":5278,"line":5293},[5276,17395,17396],{"class":5296},"return",[5276,17398,5532],{"class":5332},[5276,17400,17401],{"class":5282},";                   ",[5276,17403,17404],{"class":5475},"\u002F\u002F Statement 2\n",[5167,17406,17407],{},"Якщо тест викликає цю функцію, обидві інструкції виконаються → 100% statement coverage.",[5167,17409,17410,17359,17413,17416,17417,17420,17421,6677],{},[5130,17411,17412],{},"2. Branch Coverage (% Branch)",[5130,17414,17415],{},"гілок"," умовної логіки (if\u002Felse, switch, тернарні оператори, логічні оператори ",[5102,17418,17419],{},"&&","\u002F",[5102,17422,17423],{},"||",[5267,17425,17427],{"className":5269,"code":17426,"language":5271,"meta":5272,"style":5272},"if (user.isActive) {        \u002F\u002F Branch 1: true\n  return 'Active';\n} else {                    \u002F\u002F Branch 2: false\n  return 'Inactive';\n}\n",[5102,17428,17429,17448,17458,17471,17480],{"__ignoreMap":5272},[5276,17430,17431,17434,17436,17438,17440,17442,17445],{"class":5278,"line":5279},[5276,17432,17433],{"class":5296},"if",[5276,17435,5257],{"class":5282},[5276,17437,5588],{"class":5332},[5276,17439,5112],{"class":5282},[5276,17441,11770],{"class":5332},[5276,17443,17444],{"class":5282},") {        ",[5276,17446,17447],{"class":5475},"\u002F\u002F Branch 1: true\n",[5276,17449,17450,17453,17456],{"class":5278,"line":5293},[5276,17451,17452],{"class":5296},"  return",[5276,17454,17455],{"class":5833}," 'Active'",[5276,17457,5744],{"class":5282},[5276,17459,17460,17462,17465,17468],{"class":5278,"line":5311},[5276,17461,8491],{"class":5282},[5276,17463,17464],{"class":5296},"else",[5276,17466,17467],{"class":5282}," {                    ",[5276,17469,17470],{"class":5475},"\u002F\u002F Branch 2: false\n",[5276,17472,17473,17475,17478],{"class":5278,"line":5320},[5276,17474,17452],{"class":5296},[5276,17476,17477],{"class":5833}," 'Inactive'",[5276,17479,5744],{"class":5282},[5276,17481,17482],{"class":5278,"line":5339},[5276,17483,5756],{"class":5282},[5167,17485,17486,17487,17490],{},"Якщо тест покриває лише випадок ",[5102,17488,17489],{},"isActive === true",", branch coverage буде 50%. Для 100% потрібен тест для обох гілок.",[5167,17492,17493,17496,17497,17500],{},[5130,17494,17495],{},"3. Function Coverage (% Funcs)"," — відсоток викликаних ",[5130,17498,17499],{},"функцій"," або методів класу.",[5267,17502,17504],{"className":5269,"code":17503,"language":5271,"meta":5272,"style":5272},"class UserService {\n  findById() { \u002F* ... *\u002F }      \u002F\u002F Function 1\n  createUser() { \u002F* ... *\u002F }    \u002F\u002F Function 2\n  deleteUser() { \u002F* ... *\u002F }    \u002F\u002F Function 3\n}\n",[5102,17505,17506,17514,17531,17546,17560],{"__ignoreMap":5272},[5276,17507,17508,17510,17512],{"class":5278,"line":5279},[5276,17509,7503],{"class":5300},[5276,17511,6165],{"class":5304},[5276,17513,5308],{"class":5282},[5276,17515,17516,17519,17522,17525,17528],{"class":5278,"line":5293},[5276,17517,17518],{"class":5286},"  findById",[5276,17520,17521],{"class":5282},"() { ",[5276,17523,17524],{"class":5475},"\u002F* ... *\u002F",[5276,17526,17527],{"class":5282}," }      ",[5276,17529,17530],{"class":5475},"\u002F\u002F Function 1\n",[5276,17532,17533,17536,17538,17540,17543],{"class":5278,"line":5311},[5276,17534,17535],{"class":5286},"  createUser",[5276,17537,17521],{"class":5282},[5276,17539,17524],{"class":5475},[5276,17541,17542],{"class":5282}," }    ",[5276,17544,17545],{"class":5475},"\u002F\u002F Function 2\n",[5276,17547,17548,17551,17553,17555,17557],{"class":5278,"line":5320},[5276,17549,17550],{"class":5286},"  deleteUser",[5276,17552,17521],{"class":5282},[5276,17554,17524],{"class":5475},[5276,17556,17542],{"class":5282},[5276,17558,17559],{"class":5475},"\u002F\u002F Function 3\n",[5276,17561,17562],{"class":5278,"line":5339},[5276,17563,5756],{"class":5282},[5167,17565,17566,17567,7028,17569,17572],{},"Якщо тести викликають лише ",[5102,17568,7059],{},[5102,17570,17571],{},"createUser()",", function coverage = 66.7% (2 з 3 функцій).",[5167,17574,17575,17359,17578,17581],{},[5130,17576,17577],{},"4. Line Coverage (% Lines)",[5130,17579,17580],{},"рядків"," коду. Подібна до statement coverage, але вимірює саме рядки, а не логічні інструкції.",[5267,17583,17585],{"className":5269,"code":17584,"language":5271,"meta":5272,"style":5272},"const result = calculateTotal(items); \u002F\u002F Line 1\nreturn result;                        \u002F\u002F Line 2\n",[5102,17586,17587,17606],{"__ignoreMap":5272},[5276,17588,17589,17591,17593,17595,17597,17599,17601,17603],{"class":5278,"line":5279},[5276,17590,7911],{"class":5300},[5276,17592,6604],{"class":5485},[5276,17594,5489],{"class":5282},[5276,17596,5542],{"class":5286},[5276,17598,5329],{"class":5282},[5276,17600,5451],{"class":5332},[5276,17602,7221],{"class":5282},[5276,17604,17605],{"class":5475},"\u002F\u002F Line 1\n",[5276,17607,17608,17610,17612,17615],{"class":5278,"line":5293},[5276,17609,17396],{"class":5296},[5276,17611,6604],{"class":5332},[5276,17613,17614],{"class":5282},";                        ",[5276,17616,17617],{"class":5475},"\u002F\u002F Line 2\n",[6822,17619,17621],{"id":17620},"інтерпретація-coverage-звіту","Інтерпретація coverage звіту",[5167,17623,17624,5257,17627,17630],{},[5130,17625,17626],{},"Непокриті рядки",[5259,17628,17629],{},"Uncovered Line #s",") — номери рядків, які не виконувалися під час тестів:",[5267,17632,17635],{"className":17633,"code":17634,"language":14088},[14086],"user.service.ts | 88.5 | 75.0 | 90.0 | 89.2 | 23,56-58\n",[5102,17636,17634],{"__ignoreMap":5272},[5167,17638,17639,17640,17643,17644,17647],{},"Це означає: у файлі ",[5102,17641,17642],{},"user.service.ts"," рядки ",[5130,17645,17646],{},"23, 56, 57, 58"," не покриті тестами. Відкрийте файл, знайдіть ці рядки та додайте тести для цих сценаріїв.",[6822,17649,17651],{"id":17650},"html-звіт","HTML звіт",[5167,17653,17654,17655,14100],{},"Jest генерує детальний HTML звіт у директорії ",[5102,17656,17657],{},"coverage\u002Flcov-report\u002F",[5267,17659,17661],{"className":17091,"code":17660,"language":17093,"meta":5272,"style":5272},"open coverage\u002Flcov-report\u002Findex.html  # macOS\nxdg-open coverage\u002Flcov-report\u002Findex.html  # Linux\nstart coverage\u002Flcov-report\u002Findex.html  # Windows\n",[5102,17662,17663,17674,17684],{"__ignoreMap":5272},[5276,17664,17665,17668,17671],{"class":5278,"line":5279},[5276,17666,17667],{"class":5286},"open",[5276,17669,17670],{"class":5833}," coverage\u002Flcov-report\u002Findex.html",[5276,17672,17673],{"class":5475},"  # macOS\n",[5276,17675,17676,17679,17681],{"class":5278,"line":5293},[5276,17677,17678],{"class":5286},"xdg-open",[5276,17680,17670],{"class":5833},[5276,17682,17683],{"class":5475},"  # Linux\n",[5276,17685,17686,17689,17691],{"class":5278,"line":5311},[5276,17687,17688],{"class":5286},"start",[5276,17690,17670],{"class":5833},[5276,17692,17693],{"class":5475},"  # Windows\n",[5167,17695,17696],{},"HTML звіт показує кожен файл з підсвіткою:",[5092,17698,17699,17706,17713],{},[5095,17700,17701,17702,17705],{},"🟢 ",[5130,17703,17704],{},"Зелені рядки"," — покриті тестами.",[5095,17707,17708,17709,17712],{},"🔴 ",[5130,17710,17711],{},"Червоні рядки"," — не покриті тестами.",[5095,17714,17715,17716,17719],{},"🟡 ",[5130,17717,17718],{},"Жовті рядки"," — частково покриті (наприклад, лише одна гілка if\u002Felse).",[6822,17721,17723],{"id":17722},"цільові-показники-coverage","Цільові показники coverage",[5167,17725,17726],{},"Які відсотки coverage вважаються хорошими для production застосунків?",[5084,17728,17729,17760],{},[5087,17730,17732,17757],{"icon":5089,"title":17731},"✅ Оптимальні цільові показники",[5092,17733,17734,17740,17746,17752],{},[5095,17735,17736,17739],{},[5130,17737,17738],{},"Statement Coverage:"," 80-90%",[5095,17741,17742,17745],{},[5130,17743,17744],{},"Branch Coverage:"," 75-85%",[5095,17747,17748,17751],{},[5130,17749,17750],{},"Function Coverage:"," 85-95%",[5095,17753,17754,17739],{},[5130,17755,17756],{},"Line Coverage:",[5167,17758,17759],{},"Це реалістичні цілі для backend проєктів із хорошою якістю тестів.",[5087,17761,17764],{"icon":17762,"title":17763},"i-lucide-alert-triangle","⚠️ Що не варто покривати",[5092,17765,17766,17769,17772,17775,17778],{},[5095,17767,17768],{},"Геттери\u002Fсеттери без логіки",[5095,17770,17771],{},"Конструктори класів (якщо вони лише присвоюють параметри)",[5095,17773,17774],{},"DTO класи (прості data transfer objects)",[5095,17776,17777],{},"Auto-generated code (міграції БД, Swagger схеми)",[5095,17779,17780],{},"Trivial mappers (прості перетворення об'єктів)",[7465,17782,17783,17789,17846],{},[5167,17784,17785,17788],{},[5130,17786,17787],{},"Coverage метрики — це не ціль, а індикатор."," Досягнення 100% coverage не гарантує відсутність багів. Можна мати 100% покриття з тестами, що нічого не перевіряють:",[5267,17790,17792],{"className":5269,"code":17791,"language":5271,"meta":5272,"style":5272},"it('should create order', async () => {\n  await service.createOrder('user-1', ['prod-1']); \u002F\u002F Викликаємо код\n  \u002F\u002F Немає assertions! 100% coverage, 0% цінності\n});\n",[5102,17793,17794,17813,17837,17842],{"__ignoreMap":5272},[5276,17795,17796,17798,17800,17803,17805,17807,17809,17811],{"class":5278,"line":5279},[5276,17797,6860],{"class":5286},[5276,17799,5329],{"class":5282},[5276,17801,17802],{"class":5833},"'should create order'",[5276,17804,5105],{"class":5282},[5276,17806,5958],{"class":5300},[5276,17808,5961],{"class":5282},[5276,17810,5840],{"class":5300},[5276,17812,5308],{"class":5282},[5276,17814,17815,17817,17819,17821,17823,17825,17827,17829,17831,17834],{"class":5278,"line":5293},[5276,17816,6934],{"class":5296},[5276,17818,5850],{"class":5332},[5276,17820,5112],{"class":5282},[5276,17822,6615],{"class":5286},[5276,17824,5329],{"class":5282},[5276,17826,12695],{"class":5833},[5276,17828,13432],{"class":5282},[5276,17830,12710],{"class":5833},[5276,17832,17833],{"class":5282},"]); ",[5276,17835,17836],{"class":5475},"\u002F\u002F Викликаємо код\n",[5276,17838,17839],{"class":5278,"line":5311},[5276,17840,17841],{"class":5475},"  \u002F\u002F Немає assertions! 100% coverage, 0% цінності\n",[5276,17843,17844],{"class":5278,"line":5320},[5276,17845,6775],{"class":5282},[5167,17847,17848,17849,17852],{},"Фокусуйтеся на ",[5130,17850,17851],{},"якості"," тестів (чи перевіряють вони значущу поведінку), а не на кількості покритих рядків. Краще 70% coverage із якісними тестами, ніж 95% coverage із формальними тестами без assertions.",[6822,17854,17856],{"id":17855},"налаштування-thresholds-у-jest","Налаштування thresholds у Jest",[5167,17858,17859],{},"Ви можете налаштувати мінімальні пороги coverage, нижче яких Jest повертатиме помилку:",[5267,17861,17865],{"className":17862,"code":17863,"language":17864,"meta":5272,"style":5272},"language-json shiki shiki-themes light-plus dark-plus dark-plus","\u002F\u002F package.json або jest.config.js\n{\n  \"jest\": {\n    \"coverageThreshold\": {\n      \"global\": {\n        \"branches\": 75,\n        \"functions\": 85,\n        \"lines\": 80,\n        \"statements\": 80\n      },\n      \".\u002Fsrc\u002Forder\u002F\": {\n        \"branches\": 90,\n        \"functions\": 95,\n        \"lines\": 90,\n        \"statements\": 90\n      }\n    }\n  }\n}\n","json",[5102,17866,17867,17872,17877,17886,17893,17900,17912,17924,17936,17946,17951,17958,17969,17980,17990,17999,18004,18008,18012],{"__ignoreMap":5272},[5276,17868,17869],{"class":5278,"line":5279},[5276,17870,17871],{"class":5475},"\u002F\u002F package.json або jest.config.js\n",[5276,17873,17874],{"class":5278,"line":5293},[5276,17875,17876],{"class":5282},"{\n",[5276,17878,17879,17883],{"class":5278,"line":5311},[5276,17880,17882],{"class":17881},"sLwNe","  \"jest\"",[5276,17884,17885],{"class":5282},": {\n",[5276,17887,17888,17891],{"class":5278,"line":5320},[5276,17889,17890],{"class":17881},"    \"coverageThreshold\"",[5276,17892,17885],{"class":5282},[5276,17894,17895,17898],{"class":5278,"line":5339},[5276,17896,17897],{"class":17881},"      \"global\"",[5276,17899,17885],{"class":5282},[5276,17901,17902,17905,17907,17910],{"class":5278,"line":5365},[5276,17903,17904],{"class":17881},"        \"branches\"",[5276,17906,5351],{"class":5282},[5276,17908,17909],{"class":6466},"75",[5276,17911,5380],{"class":5282},[5276,17913,17914,17917,17919,17922],{"class":5278,"line":5383},[5276,17915,17916],{"class":17881},"        \"functions\"",[5276,17918,5351],{"class":5282},[5276,17920,17921],{"class":6466},"85",[5276,17923,5380],{"class":5282},[5276,17925,17926,17929,17931,17934],{"class":5278,"line":5400},[5276,17927,17928],{"class":17881},"        \"lines\"",[5276,17930,5351],{"class":5282},[5276,17932,17933],{"class":6466},"80",[5276,17935,5380],{"class":5282},[5276,17937,17938,17941,17943],{"class":5278,"line":5417},[5276,17939,17940],{"class":17881},"        \"statements\"",[5276,17942,5351],{"class":5282},[5276,17944,17945],{"class":6466},"80\n",[5276,17947,17948],{"class":5278,"line":5423},[5276,17949,17950],{"class":5282},"      },\n",[5276,17952,17953,17956],{"class":5278,"line":5430},[5276,17954,17955],{"class":17881},"      \".\u002Fsrc\u002Forder\u002F\"",[5276,17957,17885],{"class":5282},[5276,17959,17960,17962,17964,17967],{"class":5278,"line":5472},[5276,17961,17904],{"class":17881},[5276,17963,5351],{"class":5282},[5276,17965,17966],{"class":6466},"90",[5276,17968,5380],{"class":5282},[5276,17970,17971,17973,17975,17978],{"class":5278,"line":5479},[5276,17972,17916],{"class":17881},[5276,17974,5351],{"class":5282},[5276,17976,17977],{"class":6466},"95",[5276,17979,5380],{"class":5282},[5276,17981,17982,17984,17986,17988],{"class":5278,"line":5515},[5276,17983,17928],{"class":17881},[5276,17985,5351],{"class":5282},[5276,17987,17966],{"class":6466},[5276,17989,5380],{"class":5282},[5276,17991,17992,17994,17996],{"class":5278,"line":5521},[5276,17993,17940],{"class":17881},[5276,17995,5351],{"class":5282},[5276,17997,17998],{"class":6466},"90\n",[5276,18000,18001],{"class":5278,"line":5527},[5276,18002,18003],{"class":5282},"      }\n",[5276,18005,18006],{"class":5278,"line":5551},[5276,18007,8955],{"class":5282},[5276,18009,18010],{"class":5278,"line":5556},[5276,18011,5750],{"class":5282},[5276,18013,18014],{"class":5278,"line":5562},[5276,18015,5756],{"class":5282},[5167,18017,18018,18019,18022],{},"Якщо coverage падає нижче цих порогів, ",[5102,18020,18021],{},"npm test -- --coverage"," завершиться з помилкою, що дозволяє блокувати PR у CI\u002FCD pipeline до досягнення необхідного рівня покриття.",[5159,18024],{},[5162,18026,18028],{"id":18027},"висновки-та-best-practices","Висновки та best practices",[5167,18030,18031],{},"У цій лекції ми детально розглянули Unit тестування NestJS сервісів з ізоляцією залежностей. Підсумуємо ключові принципи:",[5084,18033,18034,18042,18063,18087],{},[5087,18035,18037,18038,18041],{"icon":4616,"title":18036},"✅ Ізолюйте тестований код","Замінюйте всі зовнішні залежності (репозиторії, інші сервіси, HTTP клієнти) на test doubles. Unit тест має перевіряти ",[5130,18039,18040],{},"лише логіку тестованого компонента",", не залежачи від БД, мережі або інших модулів.",[5087,18043,18045],{"icon":3028,"title":18044},"✅ Використовуйте правильні test doubles",[5092,18046,18047,18053,18058],{},[5095,18048,18049,18052],{},[5130,18050,18051],{},"Mock"," — коли важлива взаємодія (перевірка викликів методів).",[5095,18054,18055,18057],{},[5130,18056,7040],{}," — коли потрібно просто надати дані без перевірки викликів.",[5095,18059,18060,18062],{},[5130,18061,7284],{}," — коли потрібно відстежити виклики, зберігши оригінальну поведінку.",[5087,18064,18067,18070],{"icon":18065,"title":18066},"i-lucide-alert-circle","✅ Тестуйте edge cases",[5167,18068,18069],{},"Не обмежуйтеся happy path. Перевіряйте поведінку при:",[5092,18071,18072,18075,18078,18081,18084],{},[5095,18073,18074],{},"Null\u002Fundefined значеннях",[5095,18076,18077],{},"Порожніх колекціях",[5095,18079,18080],{},"Граничних числових значеннях",[5095,18082,18083],{},"Помилках від залежностей",[5095,18085,18086],{},"Умовній логіці (всі гілки if\u002Felse)",[5087,18088,18091,18092,18094,18095,18097,18098,18101],{"icon":18089,"title":18090},"i-lucide-check-circle","✅ Перевіряйте взаємодію через assertions","Використовуйте ",[5102,18093,5231],{}," для перевірки правильності аргументів, ",[5102,18096,5234],{}," для кількості викликів, ",[5102,18099,18100],{},"not.toHaveBeenCalled()"," для перевірки, що метод не викликався у певному сценарії.",[5167,18103,18104,18107,18108,18111,18112,5105,18115,7028,18117,18119],{},[5130,18105,18106],{},"Практичне завдання:"," Створіть сервіс ",[5102,18109,18110],{},"TaskService"," для управління задачами, який залежить від ",[5102,18113,18114],{},"TaskRepository",[5102,18116,5377],{},[5102,18118,11683],{},". Реалізуйте методи:",[5092,18121,18122,18128,18134],{},[5095,18123,18124,18127],{},[5102,18125,18126],{},"createTask(userId, title, description)"," — створює задачу, перевіряє існування користувача, надсилає нотифікацію.",[5095,18129,18130,18133],{},[5102,18131,18132],{},"assignTask(taskId, userId)"," — призначає задачу користувачеві, перевіряє, що задача ще не призначена.",[5095,18135,18136,18139],{},[5102,18137,18138],{},"completeTask(taskId, userId)"," — позначає задачу виконаною, перевіряє, що користувач — власник задачі.",[5167,18141,18142],{},"Напишіть Unit тести для всіх методів, перевірте edge cases (неіснуючий користувач, вже призначена задача, спроба виконати чужу задачу), досягніть 90%+ coverage для сервісу. Використайте моки для всіх залежностей.",[18144,18145,18146,18406],"accordion",{},[18147,18148,18151,18157,18228,18239,18242,18403],"accordion-item",{"icon":18149,"label":18150},"i-lucide-help-circle","❓ Чи потрібно мокувати TypeORM QueryBuilder?",[5167,18152,18153,18156],{},[5130,18154,18155],{},"Це залежить від складності запиту."," Якщо ваш сервіс використовує простий QueryBuilder для одного методу:",[5267,18158,18160],{"className":5269,"code":18159,"language":5271,"meta":5272,"style":5272},"async findActiveUsers(): Promise\u003CUser[]> {\n  return this.userRepository\n    .createQueryBuilder('user')\n    .where('user.isActive = :active', { active: true })\n    .getMany();\n}\n",[5102,18161,18162,18180,18188,18198,18219,18224],{"__ignoreMap":5272},[5276,18163,18164,18166,18169,18171,18173,18175,18178],{"class":5278,"line":5279},[5276,18165,5958],{"class":5332},[5276,18167,18168],{"class":5286}," findActiveUsers",[5276,18170,8985],{"class":5282},[5276,18172,5462],{"class":5304},[5276,18174,5357],{"class":5282},[5276,18176,18177],{"class":5332},"User",[5276,18179,8994],{"class":5282},[5276,18181,18182,18185],{"class":5278,"line":5293},[5276,18183,18184],{"class":5282},"  return this.",[5276,18186,18187],{"class":5332},"userRepository\n",[5276,18189,18190,18193,18196],{"class":5278,"line":5311},[5276,18191,18192],{"class":5282},"    .createQueryBuilder(",[5276,18194,18195],{"class":5833},"'user'",[5276,18197,5336],{"class":5332},[5276,18199,18200,18203,18206,18209,18213,18215,18217],{"class":5278,"line":5320},[5276,18201,18202],{"class":5332},"    .where(",[5276,18204,18205],{"class":5833},"'user.isActive = :active'",[5276,18207,18208],{"class":5282},", { ",[5276,18210,18212],{"class":18211},"s5IvJ","active",[5276,18214,5351],{"class":5282},[5276,18216,9226],{"class":5300},[5276,18218,11122],{"class":5282},[5276,18220,18221],{"class":5278,"line":5339},[5276,18222,18223],{"class":5282},"    .getMany();\n",[5276,18225,18226],{"class":5278,"line":5365},[5276,18227,5756],{"class":5282},[5167,18229,18230,18231,18234,18235,18238],{},"Мокувати весь ланцюг методів (",[5102,18232,18233],{},"createQueryBuilder().where().getMany()",") може бути занадто громіздким для Unit тесту. У такому випадку ",[5130,18236,18237],{},"краще написати Integration тест"," із реальною БД, який перевірить коректність SQL запиту.",[5167,18240,18241],{},"Проте якщо QueryBuilder використовується для складної бізнес-логіки, яку важко протестувати через Integration тест (наприклад, динамічна побудова запиту залежно від фільтрів), можна створити mock QueryBuilder:",[5267,18243,18245],{"className":5269,"code":18244,"language":5271,"meta":5272,"style":5272},"const mockQueryBuilder = {\n  where: jest.fn().mockReturnThis(),\n  andWhere: jest.fn().mockReturnThis(),\n  orderBy: jest.fn().mockReturnThis(),\n  skip: jest.fn().mockReturnThis(),\n  take: jest.fn().mockReturnThis(),\n  getMany: jest.fn().mockResolvedValue([]),\n  getOne: jest.fn().mockResolvedValue(null),\n};\n\nrepository.createQueryBuilder.mockReturnValue(mockQueryBuilder as any);\n",[5102,18246,18247,18255,18271,18287,18303,18320,18337,18353,18373,18377,18381],{"__ignoreMap":5272},[5276,18248,18249,18251,18253],{"class":5278,"line":5279},[5276,18250,7911],{"class":5300},[5276,18252,11434],{"class":5485},[5276,18254,5980],{"class":5282},[5276,18256,18257,18259,18261,18263,18265,18267,18269],{"class":5278,"line":5293},[5276,18258,11441],{"class":5332},[5276,18260,5988],{"class":5332},[5276,18262,5112],{"class":5282},[5276,18264,5993],{"class":5286},[5276,18266,7112],{"class":5282},[5276,18268,11452],{"class":5286},[5276,18270,5996],{"class":5282},[5276,18272,18273,18275,18277,18279,18281,18283,18285],{"class":5278,"line":5311},[5276,18274,11459],{"class":5332},[5276,18276,5988],{"class":5332},[5276,18278,5112],{"class":5282},[5276,18280,5993],{"class":5286},[5276,18282,7112],{"class":5282},[5276,18284,11452],{"class":5286},[5276,18286,5996],{"class":5282},[5276,18288,18289,18291,18293,18295,18297,18299,18301],{"class":5278,"line":5320},[5276,18290,11476],{"class":5332},[5276,18292,5988],{"class":5332},[5276,18294,5112],{"class":5282},[5276,18296,5993],{"class":5286},[5276,18298,7112],{"class":5282},[5276,18300,11452],{"class":5286},[5276,18302,5996],{"class":5282},[5276,18304,18305,18308,18310,18312,18314,18316,18318],{"class":5278,"line":5339},[5276,18306,18307],{"class":5332},"  skip:",[5276,18309,5988],{"class":5332},[5276,18311,5112],{"class":5282},[5276,18313,5993],{"class":5286},[5276,18315,7112],{"class":5282},[5276,18317,11452],{"class":5286},[5276,18319,5996],{"class":5282},[5276,18321,18322,18325,18327,18329,18331,18333,18335],{"class":5278,"line":5365},[5276,18323,18324],{"class":5332},"  take:",[5276,18326,5988],{"class":5332},[5276,18328,5112],{"class":5282},[5276,18330,5993],{"class":5286},[5276,18332,7112],{"class":5282},[5276,18334,11452],{"class":5286},[5276,18336,5996],{"class":5282},[5276,18338,18339,18341,18343,18345,18347,18349,18351],{"class":5278,"line":5383},[5276,18340,11493],{"class":5332},[5276,18342,5988],{"class":5332},[5276,18344,5112],{"class":5282},[5276,18346,5993],{"class":5286},[5276,18348,7112],{"class":5282},[5276,18350,6488],{"class":5286},[5276,18352,11506],{"class":5282},[5276,18354,18355,18357,18359,18361,18363,18365,18367,18369,18371],{"class":5278,"line":5400},[5276,18356,11511],{"class":5332},[5276,18358,5988],{"class":5332},[5276,18360,5112],{"class":5282},[5276,18362,5993],{"class":5286},[5276,18364,7112],{"class":5282},[5276,18366,6488],{"class":5286},[5276,18368,5329],{"class":5282},[5276,18370,9959],{"class":5300},[5276,18372,9607],{"class":5282},[5276,18374,18375],{"class":5278,"line":5417},[5276,18376,8636],{"class":5282},[5276,18378,18379],{"class":5278,"line":5423},[5276,18380,5427],{"emptyLinePlaceholder":5426},[5276,18382,18383,18385,18387,18389,18391,18393,18395,18397,18399,18401],{"class":5278,"line":5430},[5276,18384,9888],{"class":5332},[5276,18386,5112],{"class":5282},[5276,18388,11544],{"class":5332},[5276,18390,5112],{"class":5282},[5276,18392,6529],{"class":5286},[5276,18394,5329],{"class":5282},[5276,18396,11553],{"class":5332},[5276,18398,6537],{"class":5296},[5276,18400,7359],{"class":5304},[5276,18402,5512],{"class":5282},[5167,18404,18405],{},"Але пам'ятайте: чим більше ланцюгів викликів ви мокуєте, тим крихкішим стає тест. Він буде падати при кожній зміні структури запиту.",[18147,18407,18409,18419,18422,18442,18445,18555],{"icon":18149,"label":18408},"❓ Як тестувати приватні методи класу?",[5167,18410,18411,18414,18415,18418],{},[5130,18412,18413],{},"Короткаповідь: не треба."," Приватні методи — це деталь реалізації. Їх коректність має перевірятися через тестування ",[5130,18416,18417],{},"публічних методів",", що їх викликають.",[5167,18420,18421],{},"Якщо приватний метод містить складну логіку, яку важко покрити через публічний API, це сигнал до рефакторингу:",[7870,18423,18424,18430,18436],{},[5095,18425,18426,18429],{},[5130,18427,18428],{},"Зробіть метод публічним",", якщо він містить корисну бізнес-логіку.",[5095,18431,18432,18435],{},[5130,18433,18434],{},"Винесіть логіку у окрему утиліту"," або сервіс та протестуйте його окремо.",[5095,18437,18438,18441],{},[5130,18439,18440],{},"Спростіть приватний метод",", розбивши складну логіку на простіші частини.",[5167,18443,18444],{},"Якщо ви все ж таки хочете протестувати приватний метод (наприклад, для legacy коду, який важко рефакторити), використовуйте type assertion:",[5267,18446,18448],{"className":5269,"code":18447,"language":5271,"meta":5272,"style":5272},"it('should validate email format (private method)', () => {\n  const service = new UserService();\n  \n  \u002F\u002F Обходимо TypeScript захист через 'as any'\n  expect((service as any).validateEmail('test@test.com')).toBe(true);\n  expect((service as any).validateEmail('invalid')).toBe(false);\n});\n",[5102,18449,18450,18465,18479,18483,18488,18520,18551],{"__ignoreMap":5272},[5276,18451,18452,18454,18456,18459,18461,18463],{"class":5278,"line":5279},[5276,18453,6860],{"class":5286},[5276,18455,5329],{"class":5282},[5276,18457,18458],{"class":5833},"'should validate email format (private method)'",[5276,18460,5837],{"class":5282},[5276,18462,5840],{"class":5300},[5276,18464,5308],{"class":5282},[5276,18466,18467,18469,18471,18473,18475,18477],{"class":5278,"line":5293},[5276,18468,6885],{"class":5300},[5276,18470,5850],{"class":5485},[5276,18472,5489],{"class":5282},[5276,18474,6911],{"class":5300},[5276,18476,6165],{"class":5286},[5276,18478,6223],{"class":5282},[5276,18480,18481],{"class":5278,"line":5311},[5276,18482,7328],{"class":5282},[5276,18484,18485],{"class":5278,"line":5320},[5276,18486,18487],{"class":5475},"  \u002F\u002F Обходимо TypeScript захист через 'as any'\n",[5276,18489,18490,18492,18494,18496,18498,18500,18502,18505,18507,18510,18512,18514,18516,18518],{"class":5278,"line":5339},[5276,18491,6967],{"class":5286},[5276,18493,11901],{"class":5282},[5276,18495,7354],{"class":5332},[5276,18497,6537],{"class":5296},[5276,18499,7359],{"class":5304},[5276,18501,6677],{"class":5282},[5276,18503,18504],{"class":5286},"validateEmail",[5276,18506,5329],{"class":5282},[5276,18508,18509],{"class":5833},"'test@test.com'",[5276,18511,9997],{"class":5282},[5276,18513,6680],{"class":5286},[5276,18515,5329],{"class":5282},[5276,18517,9226],{"class":5300},[5276,18519,5512],{"class":5282},[5276,18521,18522,18524,18526,18528,18530,18532,18534,18536,18538,18541,18543,18545,18547,18549],{"class":5278,"line":5365},[5276,18523,6967],{"class":5286},[5276,18525,11901],{"class":5282},[5276,18527,7354],{"class":5332},[5276,18529,6537],{"class":5296},[5276,18531,7359],{"class":5304},[5276,18533,6677],{"class":5282},[5276,18535,18504],{"class":5286},[5276,18537,5329],{"class":5282},[5276,18539,18540],{"class":5833},"'invalid'",[5276,18542,9997],{"class":5282},[5276,18544,6680],{"class":5286},[5276,18546,5329],{"class":5282},[5276,18548,10807],{"class":5300},[5276,18550,5512],{"class":5282},[5276,18552,18553],{"class":5278,"line":5383},[5276,18554,6775],{"class":5282},[5167,18556,18557],{},"Проте 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