Mockito Best Practices for Spring Boot Applications

Mastering Mockito for Spring Boot

Mockito is the de facto standard for mocking in Java testing. This guide explores advanced patterns, best practices, and common pitfalls when testing Spring Boot applications with Mockito.

Topics Covered

• @Mock vs @MockBean annotations
• Stubbing methods and controlling behavior
• Argument matchers and captors
• Verifying interactions and invocation order
• Mocking void methods and exceptions
• Spy objects and partial mocking
• Testing with dependency injection
• Performance optimization tips