Individual skill
test-driven-development
Strict RED-GREEN-REFACTOR cycle enforcement. Tests are never skipped or deferred. Run mode only, never watch mode. Exit code evidence mandatory.
library/methodologies/cc10x/skills/test-driven-development/SKILL.md
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- Last checked
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## Non-Negotiable Rules
- Always use run mode (`CI=true npm test` or `--run` flag)
- NEVER use watch mode (prevents hanging processes)
- Use timeout guards (`timeout 60s`) as backup
- Record exit codes as evidence at each phase
- If tests fail 3 consecutive times in GREEN, report failure status
- Never skip RED phase (failing test must exist before implementation)
- Never defer tests to "later" -- TDD means tests first
## Scope Discipline
- If implementation requires >3 file changes, flag for scope review
- Architectural choices require user approval unless pre-approved in plan