A A Frontend Web Developer’s Guide to Testing

This book is a comprehensive guide to frontend web app testing. You'll develop a solid understanding of the advanced features that lead testing frameworks offer and the pillars of a successful web app testing strategy. With this book, you’ll be able to devise a suitable testing strategy using both code coverage and test coverage measurements.

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Discover expert tips and best practices for maximizing the efficacy of various test automation frameworks and gain a better understanding of their capabilities for your web projects

Key Features

Explore the progressive features of the most advanced cross-browser test automation frameworks
Formulate a solid testing strategy and strengthen your test coverage by selecting the right tools
Realize the future of cross-browser test automation and the use of AI and low-code in testing

Book DescriptionTesting web applications during a sprint poses a challenge for frontend web app developers, which can be overcome by harnessing the power of new, open source cross-browser test automation frameworks. This book will introduce you to a range of leading, powerful frameworks, such as Selenium, Cypress, Puppeteer, and Playwright, and serve as a guide to leveraging their test coverage capability. You’ll learn essential concepts of web testing and get an overview of the different web automation frameworks in order to integrate them into your frontend development workflow. Throughout the book, you'll explore the unique features of top open source test automation frameworks, as well as their trade-offs, and learn how to set up each of them to create tests that don't break with changes in the app.

By the end of this book, you'll not only be able to choose the framework that best suits your project needs but also create your initial JavaScript-based test automation suite. This will enable fast feedback upon code changes and increase test automation reliability. As the open source market for these frameworks evolves, this guide will help you to continuously validate your project needs and adapt to the changes.

What you will learn

Choose the ideal tool or combination of tools for testing your app
Continuously monitor the market and ensure that your developers are using the right tools
Advance test automation for your web app with sophisticated capabilities
Measure both code coverage and test coverage to assess your web application quality
Measure the success and maturity of web application quality
Understand the trade-offs in tool selection and the associated risks
Build Cypress, Selenium, Playwright, and Puppeteer projects from scratch
Explore low-code testing tools for web apps

Who this book is forIf you are a frontend developer working with popular frameworks, such as Vue or React, and want to develop testing skills by learning the essentials of test automation, this book is for you. An intermediate-level understanding of JavaScript and frontend development is assumed.