Practice Mocking Behavior - 15.7.2 | 15. Unit Testing and Test-Driven Development (JUnit, Mockito) | Advance Programming In Java
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Mocking Behavior

15.7.2 - Mocking Behavior

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a mock in the context of unit testing?

💡 Hint: Think about why we don't want to use real objects in unit tests.

Question 2 Easy

Which Mockito annotation is used to create a mock object?

💡 Hint: This annotation is used for indicating mock instances.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the @Mock annotation do in Mockito?

A) It defines a mock object.
B) It injects a mock into a class.
C) It verifies method calls.

💡 Hint: Think about the purpose of the @Mock annotation.

Question 2

True or False: The when() method in Mockito is used to verify that a method was called.

True
False

💡 Hint: Consider which method is actually used for verification.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a unit test scenario that demonstrates mocking by using Mockito. Include at least one mock, a stubbing method call, an injecting mock, and a verification.

💡 Hint: Think of the sequence: define a mock, inject it into the controller, and verify the interaction.

Challenge 2 Hard

Why is it crucial to ensure mocks behave as expected? Describe this in the context of a testing scenario involving a data repository.

💡 Hint: Reflect on how mocking impacts test reliability and accuracy.

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