Image comparison for scalable elements
Hi all, some elements within a web pages are scalable, so their size is decreased or enlarged basing on the browser window size. In my test, I would like to check this scalable elements with an ...
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Could it be considered an improvement for future versions, to have the possibility to do an image comparison that adapts to the zoom of the browser?
That is... for example.. I take the benchmark with 100% of zoom, then I would like to be able to compare it also if the browser is resized.
I've understand the way around; the issue still become if the machines resolution is different, because if I maximize the browser window on a release machine (a different machine comparing to the one used for the test automation development), the test will fail if it has got a different resolution.
I did it a few years ago with checking and clicking things on maps in .NET/desktop.
I set the size of the screen to known zoom levels before doing a comparisons. Also having reference markers of known size and reducing the zoom in steps until found using a find-image function. Once found panning the image to make it central then using that as reference for other elements being tested, eg map icons etc. It was extremely slow!
