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Test-Driven Development (TDD)

Automates the red-green-refactor cycle for test-first software development.

8|1|Updated Apr 15, 2026
Search Tags:#testing#tdd#refactoring#red-green-refactor#unit-testing#quality-assurance#software-development
One-click install
npx skills add https://github.com/gujiachun-rainbow/RainClaw --skill test-driven-development-tdd-gujiachun-rainbow
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Test-Driven Development (TDD)
Source: https://github.com/gujiachun-rainbow/RainClaw/tree/main/.trae/skills/test-driven-development
Command: npx skills add https://github.com/gujiachun-rainbow/RainClaw --skill test-driven-development-tdd-gujiachun-rainbow

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

TDD helps teams ensure code behaves as expected by forcing upfront test design, catching regressions early and guiding clean, modular implementation.

Core Features & Use Cases

  • Red-Green-Refactor workflow that enforces failing tests before code.
  • Supports unit and integration tests, encouraging modular design and test coverage.
  • Use cases include implementing new features, bug fixes, and refactoring with confidence.

Quick Start

Write a failing test first, then implement the minimal code to pass.

Frequently Asked Questions about Test-Driven Development (TDD)

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

FAQPage Schema
How does test-driven development help catch regressions early?▼

Test-driven development forces upfront test design by enforcing a red-green-refactor cycle, catching regressions early and guiding modular implementation before minimal code is written to pass.

What is the red-green-refactor workflow in unit testing?▼

The red-green-refactor workflow in unit testing enforces writing failing tests first, implementing minimal code to pass those tests, and then refactoring continuously through automated verification.

How do I start writing tests before code for new features?▼

To start writing tests before code for new features, write a failing test first, implement the minimal code required to pass that test, and continuously verify through automated tests.

Can I use this test-first approach for bug fixes and refactoring?▼

Yes, you can use this test-first approach for bug fixes and refactoring to ensure code behaves as expected, guiding clean implementation and verifying fixes through continuous automated testing.

Does this test-driven workflow work with multiple languages and testing frameworks?▼

Yes, this test-driven workflow supports multiple languages and testing frameworks, applying the red-green-refactor cycle across unit and integration tests during feature development and bug fixes.

Why does test-driven development force upfront test design?▼

Test-driven development forces upfront test design to ensure code behaves as expected, catching regressions early and driving reliable software through modular implementation and continuous verification.

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