What is mocking in Node.js testing?
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What is mocking in Node.js testing?
Mocking in Node.js testing is a technique used to simulate the behavior of complex objects or functions to isolate the code being tested.
Why should I use mocking in my tests?
Using mocking helps to create faster, more reliable tests by isolating the unit of work and avoiding dependencies on external systems.
Can you give me an example of how to mock a function in Node.js?
Sure! You can use libraries like Sinon.js to create mocks. For example, const myMock = sinon.mock(myObject); allows you to define expectations on myObject.
What are some common libraries for mocking in Node.js?
Some popular libraries include Sinon.js, Jest, and Mocha, each offering different features for mocking and testing.
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