Book Image

Vue.js 2 Cookbook

By : Andrea Passaglia
Book Image

Vue.js 2 Cookbook

By: Andrea Passaglia

Overview of this book

Vue.js is an open source JavaScript library for building modern, interactive web applications. With a rapidly growing community and a strong ecosystem, Vue.js makes developing complex single page applications a breeze. Its component-based approach, intuitive API, blazing fast core, and compact size make Vue.js a great solution to craft your next front-end application. From basic to advanced recipes, this book arms you with practical solutions to common tasks when building an application using Vue. We start off by exploring the fundamentals of Vue.js: its reactivity system, data-binding syntax, and component-based architecture through practical examples. After that, we delve into integrating Webpack and Babel to enhance your development workflow using single file components. Finally, we take an in-depth look at Vuex for state management and Vue Router to route in your single page applications, and integrate a variety of technologies ranging from Node.js to Electron, and Socket.io to Firebase and HorizonDB. This book will provide you with the best practices as determined by the Vue.js community.
Table of Contents (19 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Dedication
Preface

Testing the DOM


In this recipe, you will learn a technique to quickly test weather the DOM or the web page itself is what it is supposed to be, even when the Vue component is not present in the page.

Getting ready

For this recipe, you should have a test setup already up and working; complete the Using Jasmine for testing Vue recipe if you don't know what that means.

I will assume that you have Jasmine installed and you can perform tests. Basically, all you need is a web page (JSFiddle is okay) and these four dependencies installed:

  • jasmine.css
  • jasmine.js
  • jasmine-html.js
  • boot.js

If you are using JSFiddle or adding them manually, remember to add them in the specified order. Find the link to these files in the Using Jasmine for testing Vue recipe.

How to do it...

Let's suppose that you are writing a component that displays the Hello World! greeting; you want to test that the greeting is actually displayed, but the web page you are testing is already complex enough and you want to test your component...