Spring Boot

Spring Boot implementation of Hexagonal Architecture to develop and test the application in isolation from external technologies.

Spring Security has good support for MockMvc and WebTestClient. Learn to test authentication and authorization of Spring Boot applications.

Find out where to start learning to test your Spring Boot applications.

Avoid debating what types of test to write and focus on desirable characteristics. Learn a testing strategy with those goals.

Learn how to write Spring Boot integration tests with @SpringBootTest. Learn different options for customizing the application context for the tests.

Mocking the Spring Boot WebClient can be difficult. Learn how to replace the remote service with a mock service using MockWebServer.

Sometimes we need to customize serialization of properties in Spring. Learn how to test JSON serialization with Spring Boot @JsonTest.

Learn how to test Spring Boot repositories using @DataJpaTest. Learn what should be tested on the persistence layer and how.

Spring Boot web controllers have a lot of responsibilities. Learn how to test those responsibilities using @WebMvcTest.

It takes time to learn how to write good unit tests. Learn how to write unit tests for Spring Boot applications.