jest-advanced - Advanced Jest testing techniques
Use advanced Jest features for custom matchers, parameterized tests, coverage configuration, performance optimization, and mocking.
Tags
Updated: 2026-10-02Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Create custom matchers
- Write parameterized tests
- Configure coverage reporting
- Optimize test performance
- Run selective test suites
- Shard tests across CI
- Create advanced mocks
Inputs
- Test suites
- Source modules
- Jest configuration
- Coverage requirements
- CI execution settings
Outputs
- Test results
- Coverage reports
- Jest configuration changes
- Test code changes
Requirements
- Jest environment
- JavaScript or TypeScript support
- Project file access