Writing Effective Unit Tests With Jest: A Comprehensive Guide
Write unit tests first with Jest! Test individual functions, classes & APIs by mocking dependencies & verifying expected behavior. Keep tests simple & focused, use descriptive names & test for edge cases.
Hello everyone In this article, I'll talk about how you can make 100% code coverage for your project. The techniques described here will allow you to do this as quickly as possible. Well, let's get started! Preparation To make the covered 100%, it is clear that you need to prepare. First of all, it is necessary to identify the following components, which, if prepared immediately, will speed up this process: What we are testing: Here it is worth deciding on a piece of code that we are testing. It can be either a single function or a separate module with a bunch of functions, loops,...