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test-driven-development

Enforce the RED-GREEN-REFACTOR cycle for code changes with failing tests.

Updated Aug 23, 2026
Search Tags:#workflow#tdd#quality#red-green-refactor#test-driven-development#software-testing#dev-process
One-click install
npx skills add https://github.com/withmartian-sandbox-darkside/ghrc-y-3126672651424eddb640ecc81321a665 --skill test-driven-development-withmartian-sandbox-darkside
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/withmartian-sandbox-darkside/ghrc-y-3126672651424eddb640ecc81321a665/tree/main/default/skills/test-driven-development
Command: npx skills add https://github.com/withmartian-sandbox-darkside/ghrc-y-3126672651424eddb640ecc81321a665 --skill test-driven-development-withmartian-sandbox-darkside

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Test-driven development (TDD) ensures that software is built to pass clearly defined tests before production code, reducing defects and guiding design.

Core Features & Use Cases

  • Enforces the RED-GREEN-REFACTOR cycle to drive feature work from failing tests.
  • Provides structured guidance for new features, bug fixes, and refactors with anti-pattern recovery and verification steps.
  • Integrates test-first discipline into common software workflows to improve maintainability and reliability.

Quick Start

Start a new feature by writing a failing test, implement minimal code to pass, then refactor and verify until green.

Frequently Asked Questions about test-driven-development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I enforce a test-first cycle for new software features?▼

Test-driven development enforces the RED-GREEN-REFACTOR cycle, requiring you to write a failing test before implementing minimal code, refactoring, and verifying until green. This structured workflow reduces defects and guides software design.

What is the best way to apply test-driven development to bug fixes and refactoring?▼

Test-driven development applies structured guidance to bug fixes and refactors by first writing a failing test that reproduces the issue, then implementing minimal code changes to pass, ensuring reliability and maintainability.

Can I use test-driven development across multiple software ecosystems?▼

Yes, test-driven development applies to feature development, bug fixes, and refactors across multiple ecosystems using deterministic guardrails to ensure test execution and enforce verification and recovery patterns.

How does test-driven development handle anti-patterns during the development process?▼

Test-driven development provides anti-pattern recovery and verification steps by enforcing structured guidance throughout the RED-GREEN-REFACTOR cycle, ensuring code changes remain guarded by deterministic test execution.

What prerequisites do I need to start a test-driven development workflow?▼

To start test-driven development, you need a testing framework within your ecosystem to execute tests, allowing you to begin a new feature by writing a failing test, implementing minimal code to pass, then refactoring.

When should I not use a test-first development approach?▼

Test-driven development may not suit exploratory prototypes or throwaway scripts where deterministic test execution is impractical, as it enforces strict RED-GREEN-REFACTOR cycles with verification and recovery patterns.

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