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Use when implementing any feature or bugfix, before writing implementation code. Enforces the Iron Law of TDD.
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| name | tdd-rigor |
| description | Use when implementing any feature or bugfix, before writing implementation code. Enforces the Iron Law of TDD. |
| type | skill |
| version | 1.0.0 |
| category | verification |
Use when implementing any feature or bugfix, before writing implementation code. Enforces the Iron Law of TDD.
The TDD process follows a strict red-green-refactor cycle for every functional change.
Write a minimal test demonstrating the target behavior.
pytest for Python.vitest for TypeScript/React.test_rejects_empty_input).CRITICAL GATE: You must run the test and capture the failure.
Write just enough code to make the test pass.
CRITICAL GATE: You must run all tests.
Clean up the implementation while keeping tests green.
Maintain high TDD standards by following these essential practices.
NO PRODUCTION CODE WITHOUT A FAILING TEST FIRST. If you wrote code before the test: Delete it. Start over.