Aakrut

May 08, 2022

Next Js Testing

As a developer, you know how important tests are for any production-level project. Writing tests takes some time, but they will help you in the long run to solve problems in the codebase. You can also integrate these tests into GitHub Actions, so that whenever you deploy to production or someone makes a pull request, tests will run automatically and you’ll be notified of any failed tests.

is an amazing, inbuilt tool to test React apps. And since , it has Jest configuration inbuilt as well, powered by the Rust compiler (a highlight of the Next v12 update).

In this tutorial, we will learn how to set up Jest with Next by writing a simple test for a calculator app. We will also see what happens when we simulate a test failure, so you can decide whether or not Jest is efficient enough for your own project.