The Critical Role of Contract Testing in Microservices

Holly Cummins discusses how contract tests combine the lightness of unit tests with the confidence of integration tests, and should be part of your development toolkit. Introduction to contract-first: https://www.redhat.com/en/blog/achieving-promise-microservices-one-contract-time A tutorial on doing contract-first using an OpenAPI approach: https://appdev.consulting.redhat.com/tracks/contract-first/ The documentation for the JVM binding for Pact: https://docs.pact.io/implementation_guides/jvm The Pact Quarkus extension: https://github.com/quarkiverse/quarkus-pact The sample code: https://github.com/holly-cummins/pact-quarkus-sweater-demo