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Test-Driven Development

Guide the RED, GREEN, REFACTOR cycle for function development.

1|Updated Mar 31, 2026
Search Tags:#developer tools#quality assurance#test-driven development#bug fixes#coding practices
One-click install
npx skills add https://github.com/vladimirvalcourt/Oweabale --skill test-driven-development-vladimirvalcourt
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Test-Driven Development
Source: https://github.com/vladimirvalcourt/Oweabale/tree/main/agents/superpowers/tdd
Command: npx skills add https://github.com/vladimirvalcourt/Oweabale --skill test-driven-development-vladimirvalcourt

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

The Test-Driven Development (TDD) Skill unit helps to ensure high-quality code by forcing developers to write tests before implementation, promoting a cycle of testing, implementing, and refactoring.

Core Features & Use Cases

  • Test-First Development: Encourages writing tests that define expected behavior.
  • Implementation Guidance: Provides detailed steps for the RED, GREEN, REFACTOR cycle.
  • Use Case: When starting a new feature or bug fix, this skill guides through the process of creating a failing test, implementing minimal code, and refactoring while maintaining tests.

Quick Start

Activate the Test-Driven Development Skill to initiate the RED cycle for a new function you're developing.

Frequently Asked Questions about Test-Driven Development

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

FAQPage Schema
What is test-driven development and how does it ensure code quality?▼

Test-driven development is a software engineering practice that forces developers to write tests before implementation. It promotes a cycle of testing, implementing, and refactoring to enforce strict test coverage and maintain code integrity.

How do I start writing tests before implementation for a new feature?▼

To start writing tests before implementation, initiate the RED cycle by defining expected behavior in a failing test. Then, write minimal code to make it pass, and finally refactor to improve the implementation while maintaining the tests.

Can I use the test-first approach for fixing bugs in existing modules?▼

Yes, you can use the test-first approach for fixing bugs in existing modules. The cycle guides you to create a failing test that replicates the bug, implement the minimal fix to make it pass, and refactor to ensure code integrity.

What's the best way to maintain code integrity when refactoring?▼

The best way to maintain code integrity when refactoring is to follow the REFACTOR phase of the TDD cycle. Improve your implementation while ensuring that the previously written tests continue to pass throughout the process.

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

A strict test-first coding approach is heavily focused on individual function and module development. You should carefully evaluate its fit for exploratory programming or architectural spikes where exact expected behavior is not yet clearly defined.

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