[webkit-dev] Baselines ignoring metrics

Allan Sandfeld Jensen kde at carewolf.com
Wed Sep 19 02:53:32 PDT 2012

Hello WebKit,

Some time ago I wrote a patch that would make the test runners detect baseline 
that had been generated with the --ignore-metrics flag, see 
https://bugs.webkit.org/show_bug.cgi?id=94815 . This makes it possible to 
generate baselines that would always be testing ignoring metrics, and which 
would help consolidate more expected results between platforms - see the 
second patch in the bug for an example of that.

The cases I expect this to make sense in, are tests for css selectors, parsing 
and other places the final layout is not part of what is being tested. Ideally 
such new tests should be written using dumpText, but we have many old test-
cases that has not been written that way, and many more that are imported from 
from external test suites which never will be.

Should we apply the patch and start using ignore-metric baselines, and should 
we make some guidelines for what kind of tests this should be allowed on?

Best regards
`Allan Sandfeld

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