Testing

Static Analysis

• types (TypeScript)
• rules (ESLint > Lint Staged)
• formatting (Prettier)
• enforce: Git hooks (Husky)
• coverage: 100%
  • 1 error = fail
  • warnings = pass
  • ignored: -cov

Tests

• E2E (Detox) native runtime
• components (RNTL)
• units (Jest, Mocha, Chai)
• UI regressions (react-native-owl, Reg Suit, Loki, Jest snapshots)

Test data

• screens (Loki, Detox)
• vids (Detox)

Compat

• Release Tester Matrix (+ Fabric, static frameworks)

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• https://reactnative.dev/docs/testing-overview
• https://github.com/facebook/react-native/wiki/Tests