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test-driven-development

Enforce Test-Driven Development with the Red-Green-Refactor cycle.

Updated Feb 23, 2026
Search Tags:#code quality#testing#tdd#refactoring#software development#agile
One-click install
npx skills add https://github.com/TavokAI/Tavok --skill test-driven-development-tavokai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/TavokAI/Tavok/tree/main/.claude/skills/test-driven-development
Command: npx skills add https://github.com/TavokAI/Tavok --skill test-driven-development-tavokai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enforces a rigorous development process that guarantees code reliability and maintainability by ensuring that all production code is preceded by a failing test.

Core Features & Use Cases

  • Test-First Development: Mandates writing tests before implementation code.
  • Red-Green-Refactor Cycle: Guides developers through the iterative process of writing failing tests, minimal code to pass, and then refactoring.
  • Use Case: When developing a new user authentication feature, you would first write a test that defines the expected behavior of a successful login, then write the minimal code to make that test pass, and finally refactor the code for clarity and efficiency.

Quick Start

Use the test-driven-development skill to write a failing test for the new feature.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How does test-driven development improve code quality during refactoring?▼

Test-driven development improves code quality by enforcing the Red-Green-Refactor cycle, requiring a failing test before any production code to guarantee reliability during refactoring. This methodology mandates writing minimal code to pass tests before safely optimizing.

How do I start writing a failing test for a new software feature?▼

To start writing a failing test, define the expected behavior of the new feature first. Write a test that fails, then implement the minimal production code to pass it, and finally refactor the code for clarity and efficiency within the agile workflow.

What is the Red-Green-Refactor cycle in agile software development?▼

The Red-Green-Refactor cycle in agile software development is an iterative test-driven process where you write a failing test, implement minimal code to pass the test, and then refactor the code for clarity and efficiency.

Do I need to delete code if a failing test wasn't written first?▼

Yes, strict test-driven development requires deleting production code if a failing test wasn't written first. This rule enforces test-first development and guarantees that all production code is preceded by a failing test.

Can I use test-driven development for bug fixes and new features?▼

Yes, test-driven development enforces its methodology for all software development tasks, including new features, bug fixes, and refactoring. It guides users through the Red-Green-Refactor cycle to ensure code reliability.

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