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Selenium Design Patterns and Best Practices

Selenium Design Patterns and Best Practices

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

Selenium Design Patterns and Best Practices

3.9 (11)
By: Dima 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

Reasons for failures

We finished our two tests and we should now examine just how fragile they are. Even though the design of our tests made sense at the time of writing them, they will fail at the slightest provocation. Let's imagine a couple of real-life situations.

The sales team decided that having to change the amount of exclamation marks in the name of the product. These little tweaks happen all the time. We won't change the actual website, but we will change our test to expect a different amount of exclamation marks in the assertion. This will provide a sufficient discrepancy between the test and reality to make the test fail.

Note

You can download the full test code from http://awful-valentine.com/code/chapter-2.

Let's change the assertion in test_add_new_review to look like this:

Reasons for failures

Running the tests will now give the following output:

Reasons for failures

Let's do a postmortem of our tests and list several bad mistakes:

  • Test on test dependence: This is the most obvious test. If the first...
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