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Selenium Design Patterns and Best Practices

Selenium Design Patterns and Best Practices

By : Kovalenko
3.9 (11)
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Selenium Design Patterns and Best Practices

Selenium Design Patterns and Best Practices

3.9 (11)
By: Kovalenko

Overview of this book

Selenium WebDriver is a global leader in automated web testing. It empowers users to perform complex testing scenarios with its simple and powerful interface. This guide will provide you with all the skills you need to successfully create a functional Selenium test suite. Starting from the very beginning of the Selenium IDE, this book will show you how to transition into a real programing language such as Ruby or Java. You will quickly learn how to improve your code quality with refactoring and the skills needed to plan for the future development of your website to future-proof your test suite. With ample test examples running against a life-like e-commerce store and detailed step-by-step code review and explanations, you will be ready to test any challenge web developers might throw your way. This book is intended for anyone who wants to create a test suite that is easy to maintain by expanding your knowledge until you feel truly confident and comfortable with Selenium.
Table of Contents (11 chapters)
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10
Index

The Black Hole Proxy pattern


The Black Hole Proxy pattern tries to reduce test instability by getting rid of as many third-party uncertainties as possible. Modern websites have a lot of third-party content loaded on every page. There are social networking buttons, images coming from CDNs, tracking pixels, and much more. All of these items can destabilize our tests at any point. Black Hole Proxy takes all HTTP requests going to third-party websites and blocks them, as if the request was sucked into a black hole.

Note

Web pages that have heavy traffic in the production environment tend to cache their JavaScript and the cached assets on a third-party CDN. When testing an environment such as production, we should not be blocking critical assets but allowing them to be properly loaded using the proxy whitelist feature.

Advantages of the Black Hole Proxy pattern

Black Hole Proxy brings many advantages to our tests:

  • Improved speed: Since the web applications we test tend to be on the local network...

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