What is the Jest mocking library and how do I use it?
An example of an AI chatbot conversation about Jest mocking library for testing in JavaScript.
What is the Jest mocking library and how do I use it?
The Jest mocking library is a feature of Jest that allows you to create mock functions to test your code more effectively.
Can you give me an example of how to create a mock function?
Sure! You can create a mock function using jest.fn(). For example: const myMock = jest.fn();.
How do I use this mock function in my tests?
You can use the mock function in your tests by calling it and then checking its calls or return values using Jest's matchers.
What are some common use cases for mocking?
Common use cases include mocking API calls, simulating user interactions, and isolating components in unit tests.
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