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test-driven-development

Guide teams through the red-green-refactor cycle for test-first development.

Updated Mar 28, 2026
Search Tags:#tdd#red-green-refactor#quality-assurance#test-driven-development#software-testing#agile-testing
One-click install
npx skills add https://github.com/MisLink/agentry --skill test-driven-development-mislink
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/MisLink/agentry/tree/main/agents/.agents/skills/test-driven-development
Command: npx skills add https://github.com/MisLink/agentry --skill test-driven-development-mislink

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Test-driven development helps ensure code correctness by requiring tests before implementation, reducing defects and regression risk.

Core Features & Use Cases

  • Enforces a red-green-refactor workflow to guide feature work, bug fixes, and refactors.
  • Provides a clear process from failing tests to green tests and clean code, boosting confidence and maintainability.
  • Supports discovery and reuse of best practices by describing the workflow and its applicability across typical development tasks.

Quick Start

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

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 workflow of writing a failing test, implementing minimal code to pass it, and then cleaning up the design. It validates behavior before implementation.

How do I start writing tests first for a new software feature?▼

To start test-driven development, write a failing test first for the new feature, then implement the minimal code required to turn the failing test green, and finally refactor the codebase for maintainability.

When should I use test-driven development for bug fixes and refactoring?▼

Use test-driven development for bug fixes and refactoring to reduce regression risk and ensure code correctness. Mandating test-first development validates expected behavior and prevents defects before you change implementation logic.

Does test-driven development work without external testing frameworks?▼

Test-driven development focuses on the workflow process rather than specific frameworks. It guides teams through the red-green-refactor cycle to validate behavior, functioning independently of external dependencies or specific testing platforms.

Why does writing tests first improve software quality assurance?▼

Writing tests first improves software quality assurance by mandating functional validation before implementation. This reduces defects and regression risk by ensuring every feature, bug fix, and refactor adheres to the red-green-refactor cycle.

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