Red-green-refactor TDD cycle, test-first methodology, coverage targets (80%+), and test pyramid. Use when the user is implementing a new feature, fixing a bug, asks about TDD, or mentions writing tests before code. Always push for test-first.
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TDD Workflow
Test-Driven Development means writing a failing test before writing implementation code. This ensures every feature has coverage and drives cleaner design through the red-green-refactor cycle.
When to Use
User is implementing a new feature (push for test-first)
User is fixing a bug (write a test that reproduces the bug first)
User asks about TDD or test-driven development
User asks how to structure tests
Coverage is below 80% and needs improvement
Core Patterns
[Description truncada. Veja o README completo no GitHub.]
