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test-driven-development

Enforce Red-Green-Refactor cycles with PHPUnit for Laravel code changes.

Updated Jan 19, 2026
Search Tags:#testing#tdd#refactoring#phpunit#laravel#quality-assurance
One-click install
npx skills add https://github.com/v24kuon/KomaFull --skill test-driven-development-v24kuon
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/v24kuon/KomaFull/tree/main/.cursor/skills/test-driven-development
Command: npx skills add https://github.com/v24kuon/KomaFull --skill test-driven-development-v24kuon

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill prevents the accumulation of technical debt and ensures high code reliability by enforcing a strict test-first development methodology.

Core Features & Use Cases

  • Red-Green-Refactor Cycle: Provides a structured framework to ensure every feature is verified by a failing test before implementation.
  • Regression Prevention: Guarantees that new features or bug fixes do not break existing functionality.
  • Use Case: When implementing a new payment validation logic, use this Skill to define the expected behavior in a test file first, ensuring the implementation is minimal, correct, and fully documented by the test itself.

Quick Start

Use the test-driven-development skill to guide the implementation of a new feature by writing a failing test case first.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How do I enforce a test-driven development workflow in Laravel?▼

To enforce test-driven development in Laravel applications, apply a strict Red-Green-Refactor cycle using PHPUnit. Write a failing test to verify expected behavior before implementing any production code changes.

What is the Red-Green-Refactor cycle for PHP testing?▼

The Red-Green-Refactor cycle is a test-first methodology where you write a failing test, implement minimal code to pass it, and then refactor. This prevents technical debt accumulation and ensures high code reliability.

Can I use this TDD approach for fixing bugs in existing applications?▼

Yes, this TDD approach applies to all production code changes, including bug fixes in Laravel applications. It guarantees that new changes do not break existing functionality by verifying behavior with failing tests first.

Do I need PHPUnit to implement test-first development for Laravel features?▼

Yes, PHPUnit is required for automated testing when implementing this test-driven development workflow in Laravel. It provides the framework needed to define and run the failing tests for your features.

When should I use a test-first methodology for code refactoring?▼

Use a test-first methodology for code refactoring when you need to prevent the accumulation of technical debt and ensure high code reliability. It verifies behavior is fully documented by tests before implementation.

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