test-driven-development
Test-Driven Development (TDD)
Comprehensive TDD patterns and practices for all programming languages. This skill eliminates ~500-800 lines of redundant testing guidance per agent.
When to Use
Apply TDD for:
- New feature implementation
- Bug fixes (test the bug first)
- Code refactoring (tests ensure behavior preservation)
- API development (test contracts)
- Complex business logic
TDD Workflow (Red-Green-Refactor)
1. Red Phase: Write Failing Test
Write a test that:
- Describes the desired behavior
- Fails for the right reason (not due to syntax errors)
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