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---
tags:
- software-design
- software-engineering
- tdd
---
Classic TDD:
1. Write a failing test for public API (red)
2. Change implementation to make it pass (green)
3. Refactor
4. Go to step 1
Benefits:
- Small increments
- When adding features we can spot regressions quickly due to having numerous tests
- Aggressive refactoring possible due to public API being tested
- Complete regression test suite
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