Test-Driven Development (TDD)

关于

This skill transforms Claude into a disciplined TDD practitioner, mandating the 'Iron Law' of writing failing tests before any production code is implemented. It guides the development process through the rigorous Red-Green-Refactor cycle, preventing technical debt by ensuring all behavior is defined and verified upfront. By prohibiting 'tests-after' approaches and identifying common rationalizations for skipping tests, this skill helps developers build robust, self-documenting, and regression-proof codebases with high confidence.

主要功能

• Strict enforcement of the Red-Green-Refactor development cycle
• Detection and prevention of common TDD anti-patterns and rationalizations
• Guidance on writing minimal, behavior-focused tests over implementation-coupled tests
• Comprehensive verification checklists for ensuring feature and test completeness
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• Mandatory verification of test failures to prevent false positives

使用场景

• Reproducing and fixing bugs by creating failing test cases that prevent future regressions
• Safely refactoring complex codebases by maintaining a continuous green test state
• Building new features from scratch with a test-first methodology to ensure requirement clarity