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test-driven-development

Enforce Test-Driven Development by mandating failing tests before production code.

Updated Dec 4, 2025
Search Tags:#code quality#testing#tdd#refactoring#software development#agile
One-click install
npx skills add https://github.com/hiroto0701/dotfiles --skill test-driven-development-hiroto0701
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/hiroto0701/dotfiles/tree/main/private_dot_claude/skills/test-driven-development
Command: npx skills add https://github.com/hiroto0701/dotfiles --skill test-driven-development-hiroto0701

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enforces a rigorous Test-Driven Development (TDD) process, ensuring that all production code is preceded by a failing test, thereby preventing regressions and improving code quality.

Core Features & Use Cases

  • Enforces TDD: Mandates writing a failing test before any implementation code.
  • Red-Green-Refactor Cycle: Guides users through the core TDD loop.
  • Use Case: When developing a new feature, use this Skill to write your test first, confirm it fails, write minimal code to pass, and then refactor, ensuring robust and well-tested code from the outset.

Quick Start

Follow the Red-Green-Refactor cycle by writing a failing test for your new feature.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
When should I not use test-driven development for my code?▼

The metadata does not specify when to avoid test-driven development, but it emphasizes that TDD is applicable to all new feature development, bug fixes, and refactoring efforts to ensure robust and well-tested code.

How does test-driven development prevent regressions in software development?▼

Test-driven development prevents regressions by mandating a failing test before writing any production code, ensuring every feature is validated. It guides you through the Red-Green-Refactor cycle to document behavior and maintain code quality.

How do I start writing tests first when developing a new feature?▼

Start writing tests first by following the Red-Green-Refactor cycle: write a failing test, implement minimal code to pass, and then refactor. This ensures robust and well-tested code from the outset of new feature development.

Can I use the Red-Green-Refactor cycle for bug fixes and refactoring?▼

Yes, the Red-Green-Refactor cycle applies to bug fixes and refactoring efforts. By writing a failing test that reproduces the bug first, you ensure your fix prevents future regressions and maintains overall code quality.

What's the best way to enforce TDD across agile development workflows?▼

The best way to enforce TDD in agile workflows is mandating the creation of a failing test before any implementation code. This rigorous process prevents regressions, improves code quality, and documents behavior through tests.

When should I not use test-driven development for my code?▼

The metadata does not specify when to avoid test-driven development, but it emphasizes that TDD is applicable to all new feature development, bug fixes, and refactoring efforts to ensure robust and well-tested code.

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