Explore Google's open source web automation library Puppeteer to perform tasks such as end-to-end testing, performance monitoring, and task automation with ease. Using real-world use cases, this book will help you learn the capabilities and best practices of Puppeteer to take your automation code to the next level.
Über den Autor
Dario Kondratiuk is a web developer since 2001. He won the Microsoft MVP (most valuable professional) award in 2020 for his contributions to the developer community. Dario has been working with Puppeteer since the beta versions, back in 2017. He is the author of Puppeteer-Sharp, a Puppeteer port to .NET, and Playwright-Sharp, a Playwright port to .NET.
Klappentext
Write fail-safe automation tests, device emulation, and browser automation using Puppeteer's Google-powered APInnnKey Features:Get up and running with Puppeteer and discover best practices for automation testingnAutomate your modern web applications using Jest and Mocha with PuppeteernGenerate screenshots using Puppeteer and find out how they can be used for UI regression testsnnnnnBook Deillegalscription:nPuppeteer is an open source web automation library created by Google to perform tasks such as end-to-end testing, performance monitoring, and task automation with ease. Using real-world use cases, this book will take you on a pragmatic journey, helping you to learn Puppeteer and implement best practices to take your automation code to the next level!nnnStarting with an introduction to headless browsers, this book will take you through the foundations of browser automation, showing you how far you can get using Puppeteer to automate Google Chrome and Mozilla Firefox. You'll then learn the basics of end-to-end testing and understand how to create reliable tests. You'll also get to grips with finding elements using CSS selectors and XPath expressions. As you progress through the chapters, the focus shifts to more advanced browser automation topics such as executing Javaillegalscript code inside the browser. You'll learn various use cases of Puppeteer, such as mobile devices or network speed testing, gauging your site's performance, and using Puppeteer as a web scraping tool.nnnBy the end of this UI testing book, you'll have learned how to make the most of Puppeteer's API and be able to apply it in your real-world projects.nnnWhat You Will Learn:Understand browser automation fundamentalsnExplore end-to-end testing with Puppeteer and its best practicesnApply CSS Selectors and XPath expressions to web automationnDiscover how you can leverage the power of web automation as a developernEmulate different use cases of Puppeteer such as network speed tests and geolocationnGet to grips with techniques and best practices for web scraping and web content generationnnnnnWho this book is for:nThe book is for QA engineers, testing professionals, and frontend web developers alike who want to perform end-to-end testing using Google's developer tools. Web developers who want to learn how to use Puppeteer for generating content, scraping websites, and evaluating website performance will also find this book useful. Although knowledge of Node.js isn't necessary, basic Javaillegalscript knowledge will assist with understanding the concepts covered.
