Angular 16 has deprecated Karma and introduced Jest in experimental mode. Does that mean we currently have no stable testing framework? Should we switch to Jest? What's wrong with Karma in the first place?
If you prefer watching a video over reading, that's for you:
In this article, I want to answer these and more questions.
First, let's take a look at the pre-Angular 16 situation. I will cover the differences between Jest and Jasmine and explain the role of Karma. Then we'll dive into Jest and discuss why the current community-based solutions could be more optimal. Finally, we'll look into the future and see what Angular brings to the table.