test-driven-development

Guide the RED-GREEN-REFACTOR cycle for writing tests before production code.

24|3|Updated Jan 30, 2026
One-click install
npx skills add https://github.com/VoDaiLocz/kilo-kit-mcp --skill test-driven-development-vodailocz
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/VoDaiLocz/kilo-kit-mcp/tree/main/skills/productivity/test-driven-development
Command: npx skills add https://github.com/VoDaiLocz/kilo-kit-mcp --skill test-driven-development-vodailocz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers implement Test-Driven Development (TDD) practices, which improve code quality, prevent regressions, and facilitate refactoring.

Core Features & Use Cases

  • Test-Driven Development Cycle: Guides through the RED-GREEN-REFACTOR cycle for writing tests before implementation.
  • When to Use TDD: Provides guidelines on when to apply TDD, including new features, bug fixes, refactoring, and behavior changes.
  • Anti-Patterns: Identifies common pitfalls in testing and how to avoid them.

Quick Start

Use the TDD skill to write a failing test for a new feature before implementing the code.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How do I implement test-driven development in my coding workflow?▼

To implement test-driven development, follow the RED-GREEN-REFACTOR cycle by writing a failing test first, writing minimal production code to pass it, and then refactoring to maintain a clean codebase.

When should I use TDD instead of writing tests after implementation?▼

Use TDD when developing new features, fixing bugs, refactoring existing code, or implementing behavior changes to prevent regressions and improve overall code quality.

What are common anti-patterns in test-driven development and how can I avoid them?▼

Common TDD anti-patterns include writing overly complex tests or skipping the refactoring phase. Avoid these pitfalls by focusing on clear, minimal tests and maintaining a clean codebase throughout the development cycle.

Do I need to understand specific testing principles before applying TDD practices?▼

Yes, applying TDD practices requires a solid understanding of testing principles and code structure to effectively write tests before production code and ensure safer, repeatable coding workflows.

What is the best way to write a failing test for a new feature before coding?▼

The best way to write a failing test for a new feature is to define the desired behavior clearly and write a minimal test that fails initially, establishing the baseline for the RED-GREEN-REFACTOR cycle.

Why does test-driven development help prevent regressions during refactoring?▼

Test-driven development prevents regressions during refactoring because the minimal tests written upfront act as a safety net, verifying that existing behavior remains intact when you modify the codebase.