Can I use this for asynchronous messaging?

Yes, the skill includes specialized patterns for message-based contracts to verify compatibility in event-driven architectures.

What is the primary benefit of contract testing over integration testing?

Contract testing is faster, environment-independent, and provides isolated feedback, whereas integration testing requires all services to be running and is often brittle.

Does it provide matchers for flexible verification?

Absolutely. It supports matchers like Like, EachLike, and Term to ensure tests verify the structure and type of data rather than hardcoded, fragile values.

Does this skill support the Pact Broker?

Yes, it includes commands and patterns for publishing pacts to a broker and using the 'can-i-deploy' tool for safe deployments.

API Contract Testing

Name: API Contract Testing
Author: yonatangross

byyonatangross

•

Security & Testing

Implements consumer-driven contract testing using Pact to ensure API compatibility and prevent breaking changes in microservice architectures.

This skill enables Claude to implement and manage consumer-driven contract testing (CDCT) using the Pact framework, bridging the gap between independent microservices. It provides standardized patterns for writing consumer tests, verifying provider implementations, and managing contracts via the Pact Broker, ensuring that API changes don't break downstream dependencies. By utilizing flexible matchers and provider state management, it offers a robust alternative to slow integration tests, providing faster feedback loops and environment-independent verification.

Key Features

01Support for both RESTful API and asynchronous message-based contracts

02Automated provider verification against published contracts and state setup

03Pact Broker integration for contract sharing and version management

04CI/CD safety checks using the 'can-i-deploy' tool for production readiness

0569 GitHub stars

06Consumer-driven contract generation with flexible matchers like Like() and EachLike()

Use Cases

01Replacing slow, brittle integration tests with fast, isolated contract verification

02Maintaining API compatibility across different teams and polyglot service environments

03Preventing breaking changes when updating microservice APIs in distributed systems

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add yonatangross/orchestkit contract-testing

For use in Claude.ai and ChatGPT

Download Skill