Enforce test-driven development with failing tests before production code.
npx skills add https://github.com/tta-lab/ttal-cli --skill sp-tdd-tta-lab
Please help me install this Agent Skill. Skill: sp-tdd Source: https://github.com/tta-lab/ttal-cli/tree/main/skills/sp-tdd Command: npx skills add https://github.com/tta-lab/ttal-cli --skill sp-tdd-tta-lab
Test-Driven Development (TDD) prevents shipping incorrect code by forcing you to define expected behavior up front, then verify it repeatedly as you implement and refactor.
Use case example: You’re adding a new API behavior—“reject empty email.” You start by writing a test that fails because the feature doesn’t exist yet, implement the smallest validation logic to make it pass, and only then refactor for clarity while ensuring the suite remains green.
Use sp-tdd when starting a new feature or bugfix so you can write a failing test first, then implement only enough code to make it pass.
High-intent search queries and answers about installing and using this skill.
To enforce test-driven development, write a minimal failing test first that demonstrates missing behavior, then implement the smallest change to make it pass, and finally refactor without adding new behavior. This red-green-refactor cycle prevents shipping incorrect code.
The red-green-refactor cycle in TDD requires writing a failing test, implementing minimal production code to make it pass, and then refactoring for clarity while ensuring the test suite remains green. This discipline prevents regressions and validates correctness.
No, you cannot write production code before writing a failing test. TDD anti-rationalization guardrails prohibit writing production code without failing tests, ensuring you watch the test fail first to confirm it accurately measures the expected behavior.
To fix bugs using a test-first workflow, write a test that reproduces the bug and confirms it fails against the current code. Implement the minimal bugfix to make the test pass, verifying regression prevention through the full test suite before refactoring.
Tests may pass without testing real behavior if you are testing mock behavior or skipping the watch it fail step. TDD guardrails detect and correct these common shortcuts to ensure your tests validate actual production code behavior rather than mock interactions.
caobingshengGenerate failing tests to define expected behavior in the TDD red phase.
automatedigitalEnforce a test-first workflow with RED-GREEN-REFACTOR cycles and regression checks.
NinaVerdeEnforce test-driven development discipline across code repositories and CI pipelines.
iCesofTApply Behavior-Driven Development patterns with Given-When-Then scenarios and feature files.
