When it comes to integration and contract testing, the devil is in the detail. Specifically, the detail of the individual fields, their data types, and their valid values. It is all too easy for a provider to change a seemingly mundane detail that violates a consumer's understanding of the contract. These changes then go unnoticed until the worst possible moment. In this regard, handcrafted contract tests are unreliable, because the same misunderstanding about the contract usually translates into the test as well. Instead, we need to use the same recordings on both sides of the interaction.
The consumer creates an integration test in its project that records the interaction with the provider's service. These same recordings ...
