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test-driven-development

Guide software changes through red-green-refactor with failing tests before implementation.

4|Updated Feb 26, 2026
Search Tags:#workflow#tdd#red-green-refactor#unit-testing#software-engineering#test-driven-development
One-click install
npx skills add https://github.com/oabdelmaksoud/Openclaw-skills-Compilations --skill test-driven-development-oabdelmaksoud
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/oabdelmaksoud/Openclaw-skills-Compilations/tree/main/test-driven-development
Command: npx skills add https://github.com/oabdelmaksoud/Openclaw-skills-Compilations --skill test-driven-development-oabdelmaksoud

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Writing software without tests-first can lead to undetected bugs, design drift, and regressive changes; TDD enforces a failing test before implementation to anchor behavior.

Core Features & Use Cases

  • Red-Green-Refactor workflow guides developers from failing tests to minimal production code and clean refactors.
  • Mandatory tests first rule helps prevent untested changes and improves design feedback.
  • Verification discipline ensures tests cover intended behavior and regressions are caught early.

Quick Start

Write a failing test that captures the intended behavior, then implement the simplest code that makes it pass and refactor for clarity.

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 prevent regressions during feature work?▼

Test-driven development prevents regressions by enforcing a failing test before writing production code, anchoring intended behavior. This mandatory test-first workflow catches undetected bugs and design drift early across refactoring and feature cycles.

How do I apply the red-green-refactor workflow to implement a new feature?▼

To apply red-green-refactor, write a failing unit test capturing the intended behavior, implement the simplest code to make it pass, then refactor for clarity. This workflow guides your feature development from failing tests to clean refactors.

Can I use test-driven development for bug fixes and refactoring existing code?▼

Test-driven development applies to bug fixes, refactoring, and behavior changes across codebases. It ensures all software changes are guided by failing tests and strict verification checks, maintaining code health throughout the cycle.

What's the best way to ensure my software changes are guided by failing tests?▼

The best way to guide software changes with failing tests is adopting strict test-driven development. This mandates writing a failing test first to anchor behavior, followed by minimal implementation and verification checks for code health.

Why does test-driven development require a mandatory failing test before implementation?▼

Test-driven development requires a mandatory failing test before implementation to prevent untested changes and improve design feedback. This rule ensures software changes are anchored by intended behavior and caught regressions.

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