TDD deprecated

Hard-deprecated. Do not invoke or route this skill. Keep test-first discipline inside the active implementation workflow and verify with the project test suite.

The Iron Law

NO PRODUCTION CODE WITHOUT A FAILING TEST FIRST

Write code before test? DELETE IT. Start over. No exceptions.

Red-Green-Refactor Cycle

1. RED: Write Failing Test

• Write test for the NEXT piece of functionality
• Run test - MUST FAIL
• If it passes, your test is wrong