Book Image

Frontend Development Projects with Vue.js 3 - Second Edition

By : Maya Shavin, Raymond Camden, Clifford Gurney, Hugo Di Francesco
5 (2)
Book Image

Frontend Development Projects with Vue.js 3 - Second Edition

5 (2)
By: Maya Shavin, Raymond Camden, Clifford Gurney, Hugo Di Francesco

Overview of this book

Are you looking to use Vue.js 3 for building web apps but don't know where to begin? Frontend Development Projects with Vue.js 3 will help you get to grips with the core concepts of this JavaScript framework using practical examples that simulate real-world web projects. With this updated edition, you’ll experience all aspects of the new and improved Vue.js 3 as you work on mini projects such as a chat interface, a shopping cart, a price calculator, a to-do app, and a profile card generator for storing contact details. These realistic projects are presented as bite-size exercises that you can enjoy even as you challenge yourself. Throughout the book, you'll discover how to manage data in Vue components, define communication interfaces between components, and handle static and dynamic routing to control application flow. You'll also work with Vite and Vue DevTools and learn how to handle transition and animation effects for an engaging user experience. Finally, you’ll see how to test your app and deploy it to the web. By the end of this Vue.js book, you'll have the skills that enable you to work like an experienced Vue developer to build professional apps that can be used by others and have the confidence to tackle real-world frontend web development problems.
Table of Contents (20 chapters)
1
Part 1: Introduction and Crash Course
5
Part 2: Building Your First Vue App
11
Part 3: Global State Management
14
Part 4: Testing and Application Deployment

Understanding E2E testing and its use cases

Most developers will have seen a version of the testing pyramid shown in the following figure:

Figure 12.1 – A diagram of the testing pyramid

Figure 12.1 – A diagram of the testing pyramid

E2E tests fall under the UI testing category. The type of test we’ll be looking at in this chapter is automated E2E tests using Cypress.

E2E and UI tests provide a level of confidence higher than unit or integration tests. They’re testing the application as used by the end user. The end user doesn’t care why or where a bug is happening, just that there is a bug.

The where and why of a bug tends to be the concern of unit and system-level tests. Unit and system-level tests check that the internals of a system work as the specification or code describes them. UI-level tests validate that application flows are working as expected.

A strong E2E test suite that runs quickly, has few false negatives (where a test fails but the application works...