Does it support mocking external services?

Yes, the skill includes specific patterns for mocking common services like Supabase, Redis, and OpenAI to ensure isolated and fast unit tests.

Can it help with existing codebases?

Yes, it provides specific workflows for bug fixes and refactoring to ensure existing functionality remains intact while improving coverage gaps.

What is the minimum coverage requirement?

This skill targets a minimum of 80% coverage across branches, functions, and lines to ensure production reliability and catch edge cases.

What testing frameworks are supported?

The workflow includes pre-defined patterns and configurations for Jest, Vitest, and Playwright for E2E automation.

How does this skill enforce TDD?

The skill guides Claude to write user journeys and failing test cases before generating any implementation logic, strictly following the Red-Green-Refactor cycle.

TDD Workflow

Name: TDD Workflow
Author: flatrick

byflatrick

0•

安全与测试

Enforces rigorous test-driven development standards with comprehensive coverage requirements for robust code quality.

This skill transforms Claude into a TDD-first engineer, ensuring that every feature, bug fix, or refactor starts with test definitions before any implementation code is written. It mandates a minimum of 80% coverage across unit, integration, and E2E layers, providing structured workflows and standardized patterns for frameworks like Jest, Vitest, and Playwright to maintain high-velocity, reliable software delivery.

主要功能

01Multi-layer coverage including Unit, Integration, and E2E

02Standardized patterns for Jest, Vitest, and Playwright

030 GitHub stars

04Strict 'Tests-Before-Code' enforcement

05Automated test case generation from user journeys

06Coverage threshold verification and reporting

使用场景

01Refactoring legacy code while maintaining functional integrity

02Building new features with 80%+ automated test coverage

03Standardizing testing patterns across a development team

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add flatrick/mdt tdd-workflow

For use in Claude.ai and ChatGPT