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test-driven-development

Enforce a test-first Red-Green-Refactor workflow for code changes.

Updated Aug 27, 2026
Search Tags:#tdd#red-green-refactor#unit-testing#quality-assurance#test-driven-development#testing-anti-patterns
One-click install
npx skills add https://github.com/nhouseholder/nicks-claude-code-superpowers --skill test-driven-development-nhouseholder
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/nhouseholder/nicks-claude-code-superpowers/tree/main/skills/test-driven-development
Command: npx skills add https://github.com/nhouseholder/nicks-claude-code-superpowers --skill test-driven-development-nhouseholder

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writing tests before code reduces regression risk and clarifies requirements, helping teams build correct functionality from the start.

Core Features & Use Cases

  • Guides a Red-Green-Refactor workflow to surface and fix failures early.
  • Applies to building business logic, bug fixes, and complex algorithms, ensuring test coverage and maintainable code.
  • Improves collaboration and long-term quality by documenting expected behavior through tests.

Quick Start

Write a failing test for the desired behavior, then implement the minimal code to pass it.

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 reduce regression risk?▼

Test-driven development is a workflow where you write tests before implementation to clarify requirements and reduce regression risk. It enforces a test-first approach, validating expected behavior early to build correct functionality from the start.

How do I apply the red-green-refactor workflow to fix bugs or build algorithms?▼

To apply the red-green-refactor workflow, write a failing test for desired behavior, implement minimal code to pass it, then refactor. This test-driven approach ensures coverage for business logic, bug fixes, and complex algorithms.

Can I use test-driven development for API endpoints and data transformations?▼

Yes, you can use test-driven development for API endpoints and data transformations. The test-first workflow is applicable across business logic and complex algorithms, ensuring test coverage and maintainable code for these integrations.

What's the best way to start writing tests before code to clarify requirements?▼

The best way to start writing tests before code is to write a failing test for the desired behavior, then implement the minimal code to pass it. This clarifies requirements and documents expected behavior throughout development.

How does test-driven development improve collaboration and software quality?▼

Test-driven development improves collaboration and long-term quality by documenting expected behavior through tests. This test-first workflow surfaces failures early, ensuring teams build correct functionality and maintain clean, reliable software.

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