test-driven-development
Test Driven Development
Core Principle
Tests are code, not an add-on. Every feature, bug fix, or refactoring should include tests that verify the behavior. Writing tests is part of implementing functionality, not a separate activity done after.
When to Use This Skill
- Planning new features or functionality
- Implementing any code change
- Fixing bugs
- Refactoring existing code
Trigger Conditions
This skill should be active when:
- Adding new functionality to the codebase
- Modifying existing behavior
- Fixing a bug
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