This is a simplified version of the example in the Karate test-doubles documentation - with JMS / queues removed and simplified to be a stand-alone maven project.
Also see The World's Smallest Microservice.
- clone the project
mvn clean test
You can click on the links to view the source-code.
| File | Description | Comment |
|---|---|---|
| PaymentService.java | Producer | A very simple Spring Boot app / REST service |
| payment-contract.feature | Contract + Functional Test | Karate API test |
| PaymentContractTest.java | Producer Integration Test | JUnit runner for the above |
| payment-mock.feature | Mock / Stub | Karate mock that perfectly simulates the Producer ! |
| PaymentContractAgainstMockTest.java | Verify that the Mock is as per Contract | JUnit runner that points payment-contract.feature --> payment-mock.feature |
| Consumer.java | Consumer | A simple Java app that calls the Producer to do some work |
| ConsumerIntegrationTest.java | Consumer Integration Test | A JUnit full integration test, using the real Consumer and Producer |
| ConsumerIntegrationAgainstMockTest.java | Consumer Integration Test but using the Mock | Like the above but using the mock Producer |