What are the best practices for testing in Express.js?

What are the best practices for testing in Express.js?

Some best practices include using a testing framework like Mocha or Jest, writing unit tests for individual components, and integration tests for routes.

How do I set up Jest for testing my Express.js app?

To set up Jest, install it via npm, create a configuration file, and write your test cases in a __tests__ directory.

Should I use supertest for testing my API endpoints?

Yes, Supertest is a great library for testing HTTP requests in your Express.js applications.

What about mocking dependencies in my tests?

You can use libraries like Sinon or Jest's built-in mocking capabilities to mock dependencies and isolate your tests.