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A comment on Wraith – A screenshot comparison tool from the BBC. Parent comment

Re:Wraith – A screenshot comparison tool from the BBC by weego on Wednesday July 31, 2013 @03:14PM (#6136167)
Bear in mind that this uses a webkit based browser for all shots, so it doesn't give cross-browser comparisons.

It is for regression testing of css modifications, whether from developer or simply when using some kind of compression tool on source code you know is correct.

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Re:Wraith – A screenshot comparison tool from the BBC by vidarh on Wednesday July 31, 2013 @03:23PM (#6136215)
According to the page, it supports both PhantomJs (Webkit) and SlimerJs (Firefox/Gecko)
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Re:Wraith – A screenshot comparison tool from the BBC by sthulbourn on Wednesday July 31, 2013 @05:09PM (#6136859)
It does, kind of crudely though. You have to comment out a method and then comment out another.

There's a ruby refactor that allows you to just specify an environment var.

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