Mocking Idempotency: Replaying the Same Key Should Return the Same Result

Quick answer: A mock that returns a fresh resource for every request cannot test the one behavior that makes payment and order APIs safe to retry: idempotency. Replaying the same idempotency key must return the original result, not create a second resource, and the mock has to model that state explicitly. If your tests only assert the first... Weiterlesen: Mocking Idempotency: Replaying the Same Key Should Return the Same Re…