- Use eslint-plugin-jest to enforce testing style
- Use testing-library/jest-dom and jest-community/jest-extended for supplemental expectation matchers
- Use React Testing Library for testing React components
- Use React Hooks Testing Library for testing React Hooks
- Use User Event for simulating DOM events on React components under test
- Use Fishery for building factories
- Prefer placing test suite files alongside source files (e.g.
Thing.tsx/Thing.test.tsx) - Prefer writing specific unit tests over Snapshot Testing
- Prefer
describeanditblocks overtestblocks - Prefer .resolves/.rejects over awaiting promises in tests