test-driven-development

Enforce a test-first workflow with failing unit tests in JavaScript/TypeScript projects.

Updated Jan 25, 2026
One-click install
npx skills add https://github.com/MINT-IA/MINT --skill test-driven-development-mint-ia
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: test-driven-development
Source: https://github.com/MINT-IA/MINT/tree/main/.claude/skills/test-driven-development
Command: npx skills add https://github.com/MINT-IA/MINT --skill test-driven-development-mint-ia

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill guides teams to adopt test-driven development (TDD) practices, ensuring features start from failing tests to drive design and prevent regressions.

Core Features & Use Cases

  • Enforces writing failing tests before implementing code.
  • Supports Red-Green-Refactor cycle for reliable progress.
  • Applies to new features, bug fixes, and refactors across projects.

Quick Start

Begin by writing a failing test for the intended behavior, then implement the minimal code to pass that test, and finally refactor for clarity.

Frequently Asked Questions about test-driven-development

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

FAQPage Schema
How do I start test-driven development for a new feature?

Test-driven development is a strict test-first workflow where you write a failing unit test before any production code, applicable across modern JavaScript and TypeScript projects to guide implementation and guarantee correctness.

Can I use the red-green-refactor cycle when fixing bugs?

Yes, the red-green-refactor cycle applies to bug fixes, new features, and refactors across modern JavaScript and TypeScript projects. You write a failing test reproducing the bug, implement the minimal fix to turn it green, and refactor safely.

Does test-driven development work with JavaScript and TypeScript projects?

Yes, test-driven development works across modern JavaScript and TypeScript projects. It enforces writing failing unit tests before coding, maintaining a strict red-green-refactor cycle to drive feature implementation and prevent regressions.

What happens if I skip writing a failing test before coding?

Skipping tests or writing production code without tests is prohibited. Test-driven development requires a failing unit test before coding to drive design, guarantee code correctness, and prevent regressions throughout feature development and refactoring.

What's the best way to maintain code quality during refactoring?

The best way to maintain code quality during refactoring is following the red-green-refactor cycle. Keep unit tests green before and after changes, using existing test coverage to verify behavior remains unchanged while improving code clarity.