Agent skill
react-testing-library
React Testing Library patterns and best practices. User-centric testing, queries, events, and assertions. Trigger: When testing React components with RTL.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/react-testing-library
SKILL.md
React Testing Library Skill
When to Use
- Testing React components
- Simulating user interactions
- Writing maintainable tests
Critical Patterns
- Use screen and queries
- Prefer user-event over fireEvent
- Test from user perspective
Decision Tree
- Render or shallow? → Always render
- Need async? → Use findBy*
- Accessibility? → Use role/label queries
Edge Cases
- Portal/modal testing
- Async UI updates
- Custom hook testing
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