Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is unit testing?
💡 Hint: Think about testing small parts of your code.
Question 2
Easy
Name a popular JavaScript testing framework.
💡 Hint: It's often used with React.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of unit testing?
- To check entire applications
- To verify individual components
- To deploy applications
💡 Hint: Think about testing small parts of a larger system.
Question 2
True or False: Jest is the only unit testing framework available.
- True
- False
💡 Hint: Consider the alternatives to Jest.
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Challenge Problems
Push your limits with challenges.
Question 1
Create a series of unit tests for a function that calculates the factorial of a number. Ensure it handles edge cases like zero and negative numbers.
💡 Hint: Consider using if statements to handle different cases.
Question 2
Using Jest, write a test case that mocks an API call to return a specific response and verifies if your component uses that data correctly.
💡 Hint: Use jest.fn() to create the mock function effectively.
Challenge and get performance evaluation