Test-driven development (TDD) for NON-TRIVIAL behavior — write a failing test FIRST, watch it fail with evidence, then minimal code to pass; the suite is a L...
5 installs
Coding
Tdd
Try itApply test-driven development using Red-Green-Refactor cycles and vertical slice tracer bullet method to ensure behavior-focused, incremental testing and ref...
What it does
Test-Driven Development: define expected behavior first, then make it pass with implementation.
The skill document
TDD (Test-Driven Development)
Test-Driven Development: define expected behavior first, then make it pass with implementation.
Topics
| Topic | Description | Guide |
|---|---|---|
| cycle | Red→Green→Refactor cycle, bug-fix TDD, anti-patterns | cycle.md |
| run | Test execution workflow (environment detection→impact scope→execution→result reporting) | run.md |
| test-strategies | Boundary value·equivalence partitioning·decision table·error guessing·path coverage | test-strategies.md |
Quick Reference
Trigger entry (HARD STOP — first action)
When this skill is invoked, the FIRST tool call must be TaskCreate (Red/Green/Refactor/Verify) + Red test authoring. Diagnosis, planning, option asks, and medium decisions are forbidden before Red is authored + executed + failure confirmed. See cycle.md "Trigger entry".
TDD Cycle
Define expected behavior → natural failure → implement → pass → refactor. See cycle.md.
Test Execution
Environment detection → impact scope → execution (unit→integration→e2e) → result reporting. See run.md.
Test Design Techniques
Decide which test cases to write (boundary value, equivalence partitioning, etc.). See test-strategies.md.
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