How do I set up a testing framework for my project?

How do I set up a testing framework for my project?

To set up a testing framework, first choose a framework that suits your project, like Jest for JavaScript or JUnit for Java.

What are the steps to install Jest?

You can install Jest by running npm install --save-dev jest in your project directory. Then, add a test script in your package.json.

How do I write my first test in Jest?

Create a __tests__ folder, then add a file like example.test.js. Write a simple test using test('description', () => { ... }).

Can I run tests automatically when I save files?

Yes! You can use the command jest --watch to run tests automatically whenever you save changes.