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test-driven-development

Write failing tests before implementing production code using the RED-GREEN-REFACTOR cycle.

Updated Aug 23, 2026
Search Tags:#testing#tdd#quality#red-green-refactor#software
One-click install
npx skills add https://github.com/Kinshuk699/sEYEght --skill test-driven-development-kinshuk699
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/Kinshuk699/sEYEght/tree/main/.agents/skills/test-driven-development
Command: npx skills add https://github.com/Kinshuk699/sEYEght --skill test-driven-development-kinshuk699

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It eliminates the risk of untested or buggy code by enforcing a test‑first approach, ensuring that every new feature, bug fix, or refactor is backed by failing tests before implementation.

Core Features & Use Cases

  • Guided TDD workflow: Detailed RED‑GREEN‑REFACTOR cycle with verification steps.
  • Test templates: Ready‑to‑use examples for common scenarios and anti‑pattern warnings.
  • Checklists & rationales: Helps developers adopt TDD for new features, bug fixes, and refactoring while avoiding common excuses.

Quick Start

Use the test-driven-development skill to generate a failing test for the function you want to implement.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
What is test-driven development and how does it prevent buggy code?▼

Test-driven development is a test-first approach where you write failing tests before implementing production code, ensuring every new feature, bug fix, or refactor is backed by tests to eliminate untested code risks.

How do I apply the red-green-refactor cycle when fixing bugs?▼

To apply the red-green-refactor cycle for bug fixes, write a failing test that reproduces the bug, implement minimal code changes to make it pass, and then refactor while keeping the test green.

Can I use test-first development for refactoring existing software?▼

Yes, you can use test-first development for refactoring tasks. By writing failing tests before changing production code, you guarantee correct behavior and achieve reliable outcomes with minimal code changes.

What is the best way to start writing tests before implementing a new feature?▼

The best way to start is generating a failing test for the specific function you want to implement, following the guided red-green-refactor workflow with provided test templates and verification steps.

How do I avoid common anti-patterns and excuses when adopting TDD?▼

You avoid TDD anti-patterns by using provided checklists, rationales, and test templates that guide you through the red-green-refactor cycle, helping you adopt TDD for new features while avoiding common excuses.

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