What testing frameworks does this skill support?

It provides standardized patterns and workflows for Jest/Vitest for unit testing, API route testing for integration, and Playwright for End-to-End browser automation.

Can I use this for existing projects or only new ones?

It is highly effective for both. For existing projects, it excels at the 'Refactor' stage of TDD, helping you build a safety net of tests before making structural changes.

Is the 80% coverage requirement mandatory?

The skill is designed to target an 80% threshold as a best practice, which is validated through coverage reports, but it can be adjusted based on your specific project configuration.

How does it handle external dependencies like databases?

The skill includes pre-defined mocking templates for common external services such as Supabase, Redis, and OpenAI to ensure tests remain fast, isolated, and cost-effective.

TDD Workflow for Claude Code

Name: TDD Workflow for Claude Code
Author: Nixdorfer

byNixdorfer

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セキュリティとテスト

Enforces a rigorous test-driven development cycle with automated unit, integration, and E2E testing to ensure 80%+ code coverage.

This skill transforms Claude's development process by enforcing strict Test-Driven Development (TDD) principles. It guides the AI to write tests before implementation, covering everything from individual functions with Vitest to complex user flows using Playwright. By automating user journey mapping and providing robust mocking patterns for services like Supabase and OpenAI, it ensures high-quality, bug-resistant code that maintains a minimum of 80% coverage across the entire codebase, making it ideal for high-stakes production environments.

主な機能

011 GitHub stars

02Comprehensive coverage for Unit, Integration, and E2E tests

03Automated User Journey to test case generation

04Pre-configured 80% code coverage threshold validation

05Strict Red-Green-Refactor workflow enforcement

06Built-in mocking patterns for Supabase, Redis, and OpenAI

ユースケース

01Refactoring legacy codebases while maintaining functional integrity

02Developing API endpoints with robust error handling and integration checks

03Building new features with high reliability and zero regressions

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add nixdorfer/claudecodetool tdd-workflow

For use in Claude.ai and ChatGPT

Download Skill