T

Skill Entry

Test-driven development

Uses red–green–refactor loops so behavior is pinned by tests first—ideal for new features, regressions, and refactors where you need a safety net.

Category Coding
Platform Codex / Claude Code
Published 2026-04-03
testingqualitycoding

Use cases

  • Feature development
  • Bug fixing
  • Refactor protection

Key features

  • Write the failing test that names the behavior
  • Implement the smallest change to pass
  • Refactor with the suite green

Related

Related

3 Indexed items