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Selenium Testing Tools Cookbook

You're reading from   Selenium Testing Tools Cookbook Unlock the full potential of Selenium WebDriver to test your web applications in a wide range of situations. The countless recipes and code examples provided ease the learning curve and provide insights into virtually every eventuality.

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Product type Paperback
Published in Nov 2012
Publisher Packt
ISBN-13 9781849515740
Length 326 pages
Edition 1st Edition
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Author (1):
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UNMESH GUNDECHA UNMESH GUNDECHA
Author Profile Icon UNMESH GUNDECHA
UNMESH GUNDECHA
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Toc

Table of Contents (18) Chapters Close

Selenium Testing Tools Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Locating Elements FREE CHAPTER 2. Working with Selenium API 3. Controlling the Test Flow 4. Data-driven Testing 5. Using the Page Object Model 6. Extending Selenium 7. Testing on Mobile Browsers 8. Client-side Performance Testing 9. Testing HTML5 Web Applications 10. Recording Videos of Tests 11. Behavior-driven Development Index

Capturing screenshots of elements in the Selenium WebDriver


The TakesScreenshot interface captures the screenshot of the entire page, current window, visible portion of the page, or of the complete desktop window in their respective order as supported by the browser. It does not provide a way to capture an image of the specific element.

We can extend the screen capture functionality to capture images of WebElement using the Java Image API in addition to the TakesScreenshot interface.

In this recipe, we will implement a helper method for capturing images of elements.

How to do it...

Let's implement the captureElementBitmap() method to capture an image of WebElement. We will pass an instance WebElement to this method.

public static File captureElementBitmap(WebElement element) throws Exception {   
  //Get the WrapsDriver of the WebElement    
  WrapsDriver wrapsDriver = (WrapsDriver) element;

  //Get the entire Screenshot from the driver of passed WebElement
  File screen = ((TakesScreenshot...
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