Integration Tests in Test Pyramid
Discover techniques for enhancing test suites through integration testing, encompassing test environments, database adapters, web services, and consumer-driven contract testing.
In this section, we’re going to look at the next layer up in the test pyramid: integration testing. We’ll see why it’s important, review helpful tools, and understand the role of integration testing in the overall scheme of things.
Integration tests exist to test that our code will successfully integrate with external systems. Our core application logic is tested by unit tests, which, by design, do not interact with external systems. This means that we need to test behavior with those external systems at some point.
Advantages and limitations of integration tests
Integration tests are the second layer up in the test pyramid. They have advantages and limitations, as summarized in the following table:
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