Summary

In this chapter, we provided a basic overview of how to test React apps. Jest is a testing framework developed by Facebook, and it is already available in our frontend because we created our app with create-react-app.

We created a couple of tests with Jest and ran those tests to see how you can check the results of tests. We also learned the principles of snapshot testing.

In the next chapter, we will secure our application and add the login functionality to the frontend.