Quality Contract Testing

Purpose

Implement consumer-driven contract testing with Pact to verify API compatibility between services without brittle integration tests.

Agent Protocol

Trigger

Exact user phrases: "contract testing", "Pact", "Spring Cloud Contract", "consumer-driven contract", "provider contract", "API compatibility", "integration testing", "contract verification", "Pact broker", "CDC", "breaking change".

Input Context

Before activating, verify:

• Service architecture (monolith, microservices, event-driven)
• Consumer and provider service names
• Communication protocol (HTTP REST, gRPC, async messaging)
• Existing test frameworks and CI setup

Output Artifact

Contract testing setup with Pact consumer tests, provider verification, and CI pipeline configuration.