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everything-claude-code/.claude/rules/common/testing.md
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Testing Requirements

Minimum Test Coverage: 80%

Test Types (ALL required):

  1. Unit Tests - Individual functions, utilities, components
  2. Integration Tests - API endpoints, database operations
  3. E2E Tests - Critical user flows (framework chosen per language)

Test-Driven Development

MANDATORY workflow:

  1. Write test first (RED)
  2. Run test - it should FAIL
  3. Write minimal implementation (GREEN)
  4. Run test - it should PASS
  5. Refactor (IMPROVE)
  6. Verify coverage (80%+)

Troubleshooting Test Failures

  1. Use tdd-guide agent
  2. Check test isolation
  3. Verify mocks are correct
  4. Fix implementation, not tests (unless tests are wrong)

Agent Support

  • tdd-guide - Use PROACTIVELY for new features, enforces write-tests-first