Test-Driven Development

Overview

TDD enforces the RED-GREEN-REFACTOR cycle as an unbreakable discipline: write a failing test, make it pass with minimal code, then clean up. This skill prevents untested production code from ever existing and ensures every line of implementation is driven by a verified requirement.

Announce at start: "I'm using the test-driven-development skill with the RED-GREEN-REFACTOR cycle."

Iron Law