Mockito quiz

Test your Mockito knowledge with a free interactive quiz — 21 questions with answers and explanations. No signup needed to play.

What does `verifyNoInteractions(mockRepo)` check?

1. What does `verifyNoInteractions(mockRepo)` check?
2. What does `any()` (or `anyString()`, `anyInt()`, etc.) do when used inside a `when()` or `verify()` call?
3. What is `@InjectMocks` used for?
4. How do you configure a mock to return different values on successive calls?
5. What is the difference between a "mock" and a "spy" in Mockito?
6. How do you configure a mock to return a specific value when a method is called?
7. What does `reset(mock)` do?
8. What does `verify(mockRepo, never()).delete(any())` check?
9. Can Mockito mock `final` classes or methods?
10. What is an `ArgumentCaptor` used for?
11. What is the purpose of `MockitoExtension` (JUnit 5) or `MockitoJUnitRunner` (JUnit 4)?
12. How do you create a mock object of a class/interface?

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