For Jest usage in Next.js we need to install these packages jest, jest-environment-jsdom, @testing-library/react, @testing-library/dom and @testing-library/jest-dom.

If we have installed Next with the option with-jest, the next/jest.js will be installed too. The next/jest.js package helps integrate Jest with a Next.js application.

This video shows how to test a Next.js component which I have copied from the documentation. In the following videos I will shows tests with my components.