Vitest Testing - Write and debug Vitest tests
Write, review, and debug JavaScript and TypeScript tests with Vitest, including unit, integration, mocking, snapshots, browser mode, and Vite integration.
Tags
Updated: 2026-10-01Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Write Vitest tests
- Review Vitest tests
- Debug Vitest tests
- Mock functions and modules
- Test asynchronous behavior
- Create snapshot tests
- Configure test environments
- Use fake timers
Inputs
- JavaScript source code
- TypeScript source code
- Test requirements
- Vitest configuration
- Vite configuration
Outputs
- Vitest test files
- Test review messages
- Debugging guidance
- Test configuration changes
- Test results
Requirements
- Vitest support
- JavaScript or TypeScript project