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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of mocks in unit testing?
💡 Hint: Think about what you do when you don't want to use real components.
Question 2
Easy
What annotation do you use to inject mocks in a class with Mockito?
💡 Hint: Remember the prefix ‘@’ which is common in annotations.
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 @InjectMocks annotation do?
- It creates a mock object.
- It injects mocks into the dependent class.
- It verifies the behavior of mocks.
💡 Hint: Think about what the annotation helps with during testing.
Question 2
True or False:Mocks can also be used for testing private methods.
- True
- False
💡 Hint: Recall the purpose of unit testing.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a unit test using Mockito that injects mocks into a class with multiple dependencies. Include verification for the expected behavior.
💡 Hint: Set up @InjectMocks for `UserService`, use when() for mock behaviors, and verify() to check interactions.
Question 2
Explain how injecting mocks contributes to the TDD process and write a test case reflecting this process.
💡 Hint: Consider the classic TDD cycle: Red, Green, Refactor.
Challenge and get performance evaluation