![]() Although you intend to check the HTTP layer, all other components are created, even not in use.Integration tests with can take a very long time to start-most of it related to database initialization, the configuration of remote sources, and other IO (input/output).While it works, there are several downsides: I’ve seen this is a default option for most of the Spring Boot integration tests. Say you want to test an HTTP layer (controller, authentification, etc.) At first, it might look like the annotation would be an appropriate choice here - it bootstraps the whole application the same way as it would be running otherwise. This annotation is a great tool and an easy way to get your application ready for testing. It can replace dependencies and provide customized properties for the application context. The annotation automagically spins up your application with all dependencies instrumenting it for use in tests. Learn More About Spring Boot, Spring Security, and Testing.Test Your Database Layer with Test Spring Boot Database Layer Example.Test Rendered Data from the Mocked Service.Test Controllers with Test Controllers with MockMvc. ![]() Start PostgreSQL Database with Docker Compose.In this tutorial, you’ll learn about Spring Boot testing capabilities to optimize integration tests. Without prior optimization, tests can run for a considerable time-most of it is wasted on unnecessary initialization of the application, significantly delaying the feedback loop. Spring Boot is known to reduce boilerplate code and make development extremely efficient, but it can come with a cost when it comes down to the testing. Unit tests are the most valuable when they are stable, fast, and reproducible. We also know us developers love to debate techniques, frameworks, strategies, and how different layers and components need testing. We know unit testing is a vital part of the software development process.
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