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End-to-end integration plays a strong part in testability, unfortunately when an application grows, these kind of tests become a burden: brittleness, slower feedback and overall poor return on investment to improve quality.
Contract testing brings an alternative approach for validating integration points in fast-changing distributed systems. Because contracts don’t need integration environments, they can give very fast feedback to prevent API and messaging breaking changes from being introduced early-on.
Contracts are also a catalyst for inter-team communications. They help interactions between services become a central attribute in designing solutions, as opposed to an emergency concern when they break at a late integration stage.
This workshop covers the core concepts of contracts testing and contracts can play a part in reducing the struggles of integration tests. The attendees will be working on practical examples of defining contracts between teams and services, as well as implement them using the Pact tool-chain.