Difference Between @Spy and @SpyBean

Date: 2024-04-12

@Spy (Mockito) and @SpyBean (Spring Boot) are annotations used for partial mocking in Java testing. @Spy creates a spy object, allowing you to stub specific methods while retaining others' original behavior, ideal for unit testing. @SpyBean creates a spy of a Spring-managed bean within the application context, perfect for integration tests involving Spring components. Choosing between them depends on the testing context: use @Spy for unit tests and @SpyBean for integration tests within the Spring framework.

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