15.7.1 - Creating Mocks
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is a mock in unit testing?
💡 Hint: Think about why we would want to isolate parts of our code when testing.
What annotation do we use to create a mock in Mockito?
💡 Hint: This annotation signifies a variable that will not hold a real instance.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the @Mock annotation do in Mockito?
💡 Hint: What action does this annotation perform specifically?
True or False: Using mocks allows for testing components in isolation.
💡 Hint: Think about the purpose of mocks in testing frameworks.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
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.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.