test-first

Name: test-first
Availability: InStock
Author: Claude-World

Guide test-driven development cycles from failing tests to refactoring.

81|11|Updated Jan 11, 2026

Search Tags:#testing #tdd #development workflow #refactoring #software quality

Ready to run

npx skills add https://github.com/claude-world/director-mode-lite --skill test-first-claude-world

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: test-first
Source: https://github.com/claude-world/director-mode-lite/tree/main/skills/test-first
Command: npx skills add https://github.com/claude-world/director-mode-lite --skill test-first-claude-world

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers implement and master Test-Driven Development (TDD), reducing bugs and streamlining code quality assurance.

Core Features & Use Cases

Guides implementation of TDD cycles: From writing failing tests to refactoring code.
Provides best practices: Test design principles, quality checklists, and structured workflows.
Use Case: A developer starting a new feature writes a failing test, then iteratively develops minimal code and refactors it while keeping tests green.

Quick Start

Ask the AI to explain the steps of test-driven development or request a template for writing a test case for a specific function.

Frequently Asked Questions about test-first

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

FAQPage Schema

What are the steps of test-driven development?▼

Test-driven development involves writing a failing test first, implementing minimal code to pass the test, and continuously refactoring while keeping tests green. This disciplined testing workflow reduces bugs and improves software maintainability.

How do I write a test case for a specific function using TDD?▼

To write a test case using TDD, you request a template for the specific function, write the failing test first, and then iteratively develop minimal code to pass it. This ensures test design principles guide your software quality assurance process.

When should I use test-driven development in my development workflow?▼

Use test-driven development when starting a new feature to reduce bugs and streamline code quality assurance. It fits software engineering contexts where you need disciplined testing, minimal coding to pass tests, and continuous refactoring for maintainability.

What is the best way to refactor code while keeping tests green?▼

The best way to refactor code while keeping tests green is to follow the TDD cycle: write failing tests, implement minimal code to pass, and continuously refactor. This structured workflow maintains software quality throughout development.

Does test-driven development work for existing code refactoring?▼

Test-driven development supports existing code refactoring by using continuous refactoring within the TDD cycle. You write tests to cover current behavior, implement minimal code to pass, and refactor while keeping tests green to ensure software quality.