Checking for javascript exceptions with selenium?

Question

I'm using Selenium from python, using web driver with the Chrome backend.

I would like to check at the end of each test test there were no javascript exceptions thrown during the test -- basically the equivalent of opening the JS console and looking for red text. Is there an easy way to do this from selenium? I'm not looking to catch exceptions from any particular javascript call, I'm looking for exceptions thrown by stuff happening in the background which might not usually cause a failure of the test itself.

Andy Tinkham · Accepted Answer · 2012-02-28 16:45:32Z

1

Brian Kitchener recently posted on his blog about a way to return errors by injecting some JavaScript into each page. I haven't tried it, and it looks like he might be working with Selenium RC, but I suspect it would adapt to webdriver quickly and might be a good starting point for what you're trying to do.

answered Feb 28, 2012 at 16:45

Andy Tinkham

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Andy Tinkham Over a year ago

You specifically said Chrome, so I didn't put this in my answer, but if running in Firefox is a possibility, you may also want to check out the NetExport and ConsoleExport Firebug extensions. Through including them in the profile Selenium uses, you may be able to auto-export errors out to files in your run - we do that with NetExport, but I haven't tried ConsoleExport yet.

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