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

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

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.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

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.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation