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What is the difference between unit testing and integration testing in Node.js?

An example of an AI chatbot conversation about unit vs integration testing in Node.js.

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You

What is the difference between unit testing and integration testing in Node.js?

MagicBuddy
MagicBuddy

Unit testing focuses on testing individual components or functions in isolation, while integration testing checks how these components work together.

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You

Can you give me examples of each type of testing?

MagicBuddy
MagicBuddy

Sure! For unit testing, you might test a single function that adds two numbers. For integration testing, you could test how a database interacts with your API.

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You

Which testing framework do you recommend for Node.js?

MagicBuddy
MagicBuddy

I recommend using Jest for unit testing and Mocha with Chai for integration testing. They are both popular and well-supported.

😀
You

How do I set up Jest for unit testing?

MagicBuddy
MagicBuddy

To set up Jest, you can install it via npm with npm install --save-dev jest, then add a test script in your package.json.

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