Create React App Testing: Jest Framework Implementation for Component Validation
The facebook/create-react-app repository demonstrates a comprehensive testing approach focused on ensuring reliability and functionality of Create React App components. Using Jest as the primary testing framework, the codebase includes 65 tests covering both unit and integration testing scenarios, with particular emphasis on component rendering, configuration validation, and TypeScript integration. Qodo Tests Hub provides developers with detailed insights into Create React App's testing patterns, making it easier to understand how the project handles various testing scenarios. Through the platform, developers can explore real-world examples of async/await testing, computed properties validation, and Bootstrap-Sass build process verification, helping them implement similar testing strategies in their own React applications.
| Path | Test Type | Language | Description |
|---|---|---|---|
| packages/react-scripts/fixtures/kitchensink/template/src/features/webpack/SassInclusion.test.js |
unit
|
javascript | This Jest unit test verifies proper rendering of React components with Sass styling integration in Create React App. |
| packages/react-scripts/fixtures/kitchensink/template/src/features/webpack/ScssInclusion.test.js |
unit
|
javascript | This Jest unit test verifies proper SCSS module inclusion and rendering in React components. |
| packages/react-scripts/fixtures/kitchensink/template/src/features/webpack/ScssModulesInclusion.test.js |
unit
|
javascript | This Jest unit test verifies proper rendering of React components with SCSS module imports in Create React App’s kitchen sink fixtures. |
| packages/react-scripts/fixtures/kitchensink/template/src/features/webpack/UnknownExtInclusion.test.js |
unit
|
javascript | This Jest unit test verifies that React components can properly handle and render content from files with unknown extensions in Create React App. |
| test/fixtures/boostrap-sass/index.test.js |
unit
|
javascript | This Jest unit test verifies Bootstrap-Sass build processes in both development and production environments for Create React App. |
| test/fixtures/global-scss-asset-resolution/index.test.js |
unit
|
javascript | This Jest unit test verifies SCSS asset resolution functionality during development and production builds in Create React App. |
| test/fixtures/issue-5176-flow-class-properties/index.test.js |
unit
|
javascript | This Node.js unit test verifies Flow class properties functionality in Create React App’s test environment. |
| test/fixtures/jsconfig/index.test.js |
unit
|
javascript | This Jest unit test verifies core build and test script functionality in Create React App across development and production environments. |
| test/fixtures/jsconfig/src/App.test.js |
unit
|
javascript | This Jest unit test verifies absolute module loading functionality with baseUrl configuration in Create React App components. |
| test/fixtures/relative-paths/index.test.js |
unit
|
javascript | This JavaScript unit test verifies correct relative path resolution between CSS and SVG files in Create React App production builds. |