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test-driven-development

Enforce test-first development with failing tests before implementation code.

Updated Jun 18, 2026
Search Tags:#testing#tdd#test automation#refactoring#software development#bug fixing
One-click install
npx skills add https://github.com/MinhDuyDEV/mdpi --skill test-driven-development-minhduydev
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/MinhDuyDEV/mdpi/tree/main/.pi/skills/test-driven-development
Command: npx skills add https://github.com/MinhDuyDEV/mdpi --skill test-driven-development-minhduydev

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill prevents unreliable implementations by enforcing a test-first development process that proves behavior before production code is written.

Core Features & Use Cases

  • Test-First Implementation: Guides developers through writing failing tests, implementing minimal code, and refactoring only after tests pass.
  • Behavior Validation: Helps identify unclear requirements, missing edge cases, and regressions through systematic verification cycles.
  • Use Case: When adding a new feature or fixing a bug, use this Skill to create a failing test that captures the expected behavior before changing the implementation.

Quick Start

Use the test-driven-development skill to implement this feature by writing a failing test first, confirming it fails, then creating the minimal code needed to pass it.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How do I start test-driven development for a new feature?▼

Test-driven development requires writing a failing test that captures the expected behavior first, confirming it fails, then creating the minimal implementation code needed to pass it before refactoring.

Can I use test-first workflows for bug fixing and refactoring?▼

Yes, test-first workflows apply to bug fixing and refactoring by requiring a failing test that captures expected behavior before changing the implementation, ensuring regression prevention and clear behavioral test coverage.

What is the red-green-refactor cycle in software development?▼

The red-green-refactor cycle is a systematic test-first validation process where you write a failing test, implement minimal code to pass it, then refactor only after tests pass to prevent unreliable implementations.

Does test-driven development work for behavior-driven engineering workflows?▼

Test-driven development supports behavior-driven engineering workflows by enforcing systematic verification cycles that identify unclear requirements, missing edge cases, and regressions through behavior validation.

What's the best way to prevent regressions when adding new code?▼

Preventing regressions requires enforcing a test-first development process that proves behavior before production code is written, applying systematic red-green-refactor validation across feature development and bug fixes.

Why write failing tests before implementation code?▼

Writing failing tests before implementation code prevents unreliable implementations by enforcing test-first development that proves expected behavior and identifies missing edge cases through systematic verification cycles.

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