Testing Post Components

Now that we’ve had a solid introduction to testing in React, let’s continue with writing tests for the Post components.

The functionalities to create, read, update, and delete posts are core features of the Postagram application, so it’s important to make sure that they work as expected. Let’s start with a simple test for the Post component.

Mocking the localStorage object

Before writing a test for the Post component, it’s important to understand how the Post components work. Basically, it takes a prop called post and makes a call to localStorage to retrieve information about the user. Unfortunately, localStorage can’t be mocked by Jest. There are a lot of ...