testing-frontend

To test React components with Vitest and React Testing Library, you write tests that render components, simulate user interactions, and assert state changes to verify expected behavior. This skill provides patterns for rendering, user input handling, and validation.

The best way to mock API calls in frontend tests is to intercept external requests using mocking patterns provided by Vitest. This isolates components from external dependencies, ensuring test predictability and preventing network errors during component testing.

Yes, you can use Vitest with Vue Test Utils for component testing. This skill provides specific patterns for Vue applications, covering component rendering, user interactions, and state management to ensure reliable and maintainable Vue codebases.

You test custom React hooks for state changes by using specialized hook testing patterns. This skill covers techniques to render hooks, simulate updates, and assert logic and state transitions to ensure your custom hooks behave as expected.

Yes, this frontend testing skill includes accessibility testing. It integrates tools like jest-axe within your Vitest workflow to verify that your UI components meet accessibility standards and ensure your application is usable by everyone.