Vue 3 Testing: A Beginner’s Guide (Jest)

Testing is one of the most important parts of the everyday of the web developer. Sometimes we think that it is taking time for nothing but in thz reality, it helps to maintain the code and avoid bugs.

Testing in Vue 3 can seem intimidating, especially if you’re just starting out. But don’t worry! In this article, I’ll walk you through the essentials of getting started with testing in Vue 3 in a way that feels approachable and straightforward. If you’ve felt lost in the world of mocks, spies, and renders, this is for you.

Why Testing Matters

In the world of coding, testing could take one of the main parts and one of the most important as well. It is like a structure of the house. Your code can work fine without testing but it becomes more solid with it.

Vue 3 offers an excellent ecosystem for testing, but the tools might feel overwhelming at first. Let’s break them down step-by-step.

Setting Up Your Project for Testing

Before writing your first test, you need the right tools. For Vue 3, the most commonly used testing libraries are:

• Jest: A popular JavaScript testing framework.
• Vue Test Utils: A utility library for testing Vue components.