test-driven-development

Guide developers through the Red-Green-Refactor cycle for Test-Driven Development.

2|Updated Feb 16, 2026
One-click install
npx skills add https://github.com/vivshaw/nous --skill test-driven-development-vivshaw
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Skill: test-driven-development
Source: https://github.com/vivshaw/nous/tree/main/plugins/techne/skills/test-driven-development
Command: npx skills add https://github.com/vivshaw/nous --skill test-driven-development-vivshaw

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill provides guidance on implementing Test-Driven Development (TDD) practices, ensuring high-quality code through systematic testing and refactoring.

Core Features & Use Cases

  • Test-Driven Development Workflow: Offers step-by-step instructions for writing tests before implementing code.
  • Red-Green-Refactor Cycle: Provides a visual diagram and explanation of the TDD cycle.
  • Best Practices: Delivers best practices for writing good tests and avoiding common pitfalls.
  • Use Case: For developers looking to improve code quality and reduce debugging time through the TDD approach.

Quick Start

To start using the test-driven-development skill, follow the Red-Green-Refactor cycle for your next feature implementation.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
What is the test-driven development workflow for writing code?

Test-driven development is a practice where you write a failing test before implementing the actual code, ensuring structured testing and systematic refactoring. This approach improves code quality and significantly reduces debugging time.

How do I implement the Red-Green-Refactor cycle in software testing?

To implement the Red-Green-Refactor cycle, first write a failing test, then write the minimum code required to make it pass, and finally refactor the code while keeping the test green. This ensures systematic testing and structured refactoring.

Do I need prior testing knowledge to start using test-driven development?

Yes, TDD requires a solid understanding of testing principles and coding practices. It is designed for developers looking to improve code quality through systematic testing workflows.

What are the best practices for writing tests before code?

Best practices for TDD include following the Red-Green-Refactor cycle, writing clear tests before implementation, and avoiding common pitfalls to reduce debugging time and ensure high-quality code.

When should I use test-driven development in my development workflow?

Use test-driven development in scenarios requiring structured testing and refactoring. It is ideal when you need to improve code quality, reduce debugging time, and enforce a systematic testing approach.

How does test-driven development compare to writing tests after code?

Unlike writing tests after implementation, test-driven development forces you to write failing tests first, ensuring your code is continuously validated through structured testing and refactoring to prevent common pitfalls.