Vue.js Testing - Unit Testing with Jest

Introduction

Unit testing is a fundamental part of Vue.js development, and Jest is a popular JavaScript testing framework for this purpose. In this guide, we'll explore how to perform unit testing with Jest in Vue.js applications. We'll cover the basics of setting up a testing environment, writing test cases, and provide sample code to demonstrate the testing process.

Sample Code

Let's create a simple Vue.js component and write a unit test for it using Jest:

            
    
        
            
Counter App
            
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            Increment            Decrement