A Beginner’s Guide to Jest Testing

An Explanation of how jest testing is implemented, and how this helps in the big picture.

We are gonna take a dive into test driven development first, then we are gonna dive into the tool we are gonna use which is jest. First off before anything what is test driven development?

Test Driven Development is typing as many unit test as production code to prevent less bugs. It follows the RGR principle or the Red, Green and Refractor principle.