Many a time, our tests need image-based comparison. For example, verifying whether correct icons are displayed, verifying whether correct images are displayed in web pages, or comparing the baseline screen layout with the actual layout.
Selenium WebDriver does have features to capture screenshots or images from the application under test; however, it does not have the feature to compare the images.
In this recipe, we will create an extension class to compare images and use it in our Selenium tests.
Set up a new Java project for the
CompareUtil class. This class will be used by Selenium tests as an extension to compare images.
Let's implement the
CompareUtil class with a method to compare two ...