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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a mock in unit testing?
💡 Hint: Think about why we would want to isolate parts of our code when testing.
Question 2
Easy
What annotation do we use to create a mock in Mockito?
💡 Hint: This annotation signifies a variable that will not hold a real instance.
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?
- It injects a mock into the class
- It creates a mock object
- It sets the behavior of a mock
💡 Hint: What action does this annotation perform specifically?
Question 2
True or False: Using mocks allows for testing components in isolation.
- True
- False
💡 Hint: Think about the purpose of mocks in testing frameworks.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a complete JUnit test case that uses Mockito to isolate a service class and verify its interactions.
💡 Hint: Consider how to structure your test class and remember to use assertions after invoking the method under test.
Question 2
Describe a scenario in which using mocks could lead to misleading results in unit testing, and how to mitigate that risk.
💡 Hint: Think about how too much reliance on mocks might obscure real issues in dependencies.
Challenge and get performance evaluation