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I have a WPF application and I have a custom object (the output) with images and text. I need to check if the output has a correct format. I tried with Coded UI but, because the element is a custom object, I can't compare its properties.

Which is the best tool to compare visual objects? I also need it to be able to automate the test.

Thanks.

  • This is amazing concept and have been searching more details in image comparison. Do you have any resources for the same? I would like to learn more on image comparison technique. Please share any links that would be really appreciable. – Prashant PC Apr 24 '14 at 13:51
  • I ended up using snapshots and snapshots verifiers. I used the link in the answer. – Ignacio Coto Apr 24 '14 at 15:02
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http://testapi.codeplex.com/ (.net library) offers visual comparison and is pretty easy to get working. I flirted with the idea of integrating it with our project but I'm still not convinced that automated visual verification testing is suitable for long term regression testing. But if I had to do it then I'd start with testapi. Here is the tutorial for comparing images.

http://blogs.msdn.com/b/ivo_manolov/archive/2009/04/20/9557563.aspx

  • Yeah, this was the one I ended up using. Thanks a lot. – Ignacio Coto Apr 24 '14 at 14:51
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I use TestComplete in order to test images. From the tool itself I store images (several formats supported) then, when I run my coded tests I compare the actual image on the running application (identified by object ID or by paths) with the stored image (it compares bit a bit). It works fine.

TestComplete supports WPF applications as well.

http://smartbear.com/products/qa-tools/automated-testing-tools/testcomplete-integrations/wpf-application-support/

Cons: It's a comercial tool.

  • It's a shame it is comercial.. Does it allow automatation of test? – Ignacio Coto Apr 22 '14 at 22:05
  • Yes. It also supports C# scripting language as a base programming language for building your test cases and flows. As I mentioned before it is a comercial tool with hight prices... There are other tools which also compares images at a run time but they are comercial as well. So it's only advisable for enterprise projects. – cadid Apr 22 '14 at 22:19
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    A little more info on TestComplete - it's actually cheaper than most of the other big box commercial tools especially if you need to use multiple systems to execute your tests because SmartBear offers a lightweight execution application at a much lower cost. I'm not affiliated, just used the product for years. – Kate Paulk Apr 23 '14 at 11:13
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Check this tools, a lot of them are open sourced, I heard that sikuli does the job regarding images, but never tried it. You can also take a screenshot of the screen and compare it to a saved one...

protected by Community May 31 '15 at 14:24

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