test-driven-development

Guide the Red-Green-Refactor cycle for Test-Driven Development.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/huhuimike85/aizc --skill test-driven-development-huhuimike85
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/huhuimike85/aizc/tree/main/references/frontend-v2/.claude/skills/test-driven-development
Command: npx skills add https://github.com/huhuimike85/aizc --skill test-driven-development-huhuimike85

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enforces a rigorous Test-Driven Development (TDD) process to ensure code quality, prevent regressions, and build robust software.

Core Features & Use Cases

  • Red-Green-Refactor Cycle: Guides users through writing failing tests, implementing minimal code to pass, and then refactoring.
  • Bug Prevention: Catches bugs early by requiring a failing test before any implementation code is written.
  • Use Case: When starting a new feature, use this Skill to write a test that defines the expected behavior, then write the smallest amount of code to make that test pass, ensuring the feature works as intended from the start.

Quick Start

Follow the Red-Green-Refactor cycle for all new code.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
What is the Red-Green-Refactor cycle in test-driven development?

The Red-Green-Refactor cycle is the core test-driven development process of writing a failing test, implementing minimal code to pass it, and then refactoring. This methodology ensures all production code is preceded by test coverage.

How do I write better code faster using TDD?

To write better code faster using TDD, enforce the Red-Green-Refactor cycle to catch bugs early and prevent regressions. Requiring a failing test before implementation ensures feature integrity from the start.

Does test-driven development work for agile software development?

Yes, test-driven development integrates seamlessly with agile software development by enforcing iterative testing and refactoring. The TDD methodology maintains code quality while adapting to rapidly changing feature requirements.

Why should I write a failing test before writing production code?

Writing a failing test before production code catches bugs early and prevents regressions. This test-driven development practice defines expected behavior precisely, ensuring the smallest amount of implementation code works as intended.

What are common TDD anti-patterns and rationalizations to avoid?

Common TDD anti-patterns include skipping the failing test phase or writing excessive code beyond what tests require. Addressing these rationalizations maintains code integrity and ensures the test-driven development process prevents regressions effectively.

When should I use test-driven development for new features?

Use test-driven development when starting a new feature to define expected behavior through a test, then write minimal code to pass it. This prevents bugs early and ensures the feature works as intended from the start.