How can I integrate Chai and Mocha for testing?

How can I integrate Chai and Mocha for testing?

To integrate Chai and Mocha, first install both libraries using npm. You can run npm install mocha chai.

What is the basic structure of a test using Chai and Mocha?

A basic test structure includes a describe block for grouping tests and an it block for individual test cases. For example:

const chai = require('chai');
const expect = chai.expect;

describe('Array', function() {
  it('should start empty', function() {
    const arr = [];
    expect(arr).to.be.empty;
  });
});

Can I use Chai assertions with other testing frameworks?

Yes, Chai can be used with other testing frameworks like Jest or Jasmine. Just ensure you include Chai in your setup.

What are some common Chai assertions I should know?

Some common assertions include expect(value).to.equal(expected), expect(array).to.include(item), and expect(object).to.have.property('key').