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Am Montag, 17. August 2009 16:08:36 schrieb Michael Käppler:
> [CC to -devel]
>
> > (nobody checks the regression tests for each release, for example
> > -- and that's trivially done with a web browser!)
>
> That reminds me of an idea I recently had: Wouldn't it be possible to
> automatically generate a sort of "checksum" for each regression-test
> output-file and compare it with the former releases? I know that every
> little change in the pdf appearance would lead to a warning then.
> But I'm sure there is a way to do not just "md5sum
> regression-test-foo.pdf" but create a "difference score" by comparing
> the two pdfs.
Isn't this exactly what we already have (make test-baseline to create the
reference version and then "make test" to compare the new output to the
reference output...). For the results see
http://lilypond.org/test/
The 2.13.3 results are at:
http://lilypond.org/test/v2.13.3-0/compare-v2-13/index.html)
Graham was referring to the fact that nobody seem to bother about looking at
those automatically-created regression results before or after a release.
Cheers,
Reinhold
- --
- ------------------------------------------------------------------
Reinhold Kainhofer, [email protected], http://reinhold.kainhofer.com/
* Financial & Actuarial Math., Vienna Univ. of Technology, Austria
* http://www.fam.tuwien.ac.at/, DVR: 0005886
* LilyPond, Music typesetting, http://www.lilypond.org
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