What are the basics of Jest testing?

What are the basics of Jest testing?

Jest is a JavaScript testing framework that focuses on simplicity. It allows you to write tests for your code easily.

How do I set up Jest in my project?

You can set up Jest by installing it via npm with the command npm install --save-dev jest, and then adding a test script in your package.json.

What types of tests can I write with Jest?

With Jest, you can write unit tests, integration tests, and snapshot tests to ensure your code behaves as expected.

Can you give me an example of a simple test?

Sure! Here's a simple test: test('adds 1 + 2 to equal 3', () => { expect(1 + 2).toBe(3); }); This checks if 1 + 2 equals 3.