Practice Mocking in Unit Tests - 25.12 | 25. Unit Testing and Debugging (e.g., JUnit) | Advanced Programming
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Mocking in Unit Tests

25.12 - Mocking in Unit Tests

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is mocking?

💡 Hint: Think about why we would want to isolate tests.

Question 2 Easy

Name a framework used for mocking in Java.

💡 Hint: It sounds like a friendly Italian name!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary purpose of mocking in unit tests?

To speed up test execution
To isolate the code being tested
To verify the database connection

💡 Hint: Think about what isolation means in testing.

Question 2

True or False: Mockito can only be used to test methods that interact with databases.

True
False

💡 Hint: Consider all external factors your code interacts with.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a unit test for a service that uses an external API to fetch weather data. How would you mock the API interactions using Mockito?

💡 Hint: Think about how you would define a stub response for a specific weather query.

Challenge 2 Hard

Imagine you have a method that sends notification emails through an external email service. Describe how you would test this method without sending real emails.

💡 Hint: Consider what interactions are important to confirm successful email sending.

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Reference links

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