[vtk-developers] ExternalData and regression images

[Will Schroeder]

IMO the workflow for creating regression test images could be significantly
improved. The incantations require multiple, non-intuitive steps and on
occasions (when things go wrong) the sacraficing of a goat. I'd really like
a simple macro/function (in a python test for example) to create a
regression test image, put it in the right place, and even upload it all in
one shot. Simply "CreateRTImage(renWin,forceReplace)" which would create a
new image if one is not available, otherwise do nothing, etc. And force a
replacement if needed.

Similarly simple processes for dropping in any alternative _1, _2,
regression test images (cutting and pasting from the dashboard rt images).
And ways to easily recover and move back and forth between md5 and png. I
know some of this is available, but it takes a lot
of documentation digestion to really understand the process which can be
hard for newbies or those who code infrequently. Of most concern I think
the process is cumbersome enough that it discourages adding new tests.

Best,
W

On Thu, Apr 14, 2016 at 5:40 PM, David Gobbi <david.gobbi at gmail.com> wrote:

> Thanks for the explanation.
>
> I did "git gitlab-push" yesterday when I first encountered this problem.
> And today I rebased the commit and did "git gitlab-push --force".  The
> magic still didn't happen. Much unhappiness.
>
> But when I did everything over from scratch, it worked (as mentioned
> in my first email, this was someone else's MR, so I'm not sure what
> the order of operations was the first time around).
>
>  - David
>
> On Thu, Apr 14, 2016 at 7:13 AM, Cory Quammen <cory.quammen at kitware.com>
> wrote:
>
>> As Mathieu said,
>>
>> git gitlab-push
>>
>> does the magic. If you rebase and need to force push on a topic, you can
>> do
>>
>> git gitlab-push -f
>>
>> Cory
>>
>> On Thu, Apr 14, 2016 at 2:00 AM, Mathieu Westphal
>> <mathieu.westphal at kitware.com> wrote:
>> > Usually, what i need to do is :
>> >
>> > 1. Copy image into baseline directory
>> > 2. run cmake, check for "staged" output
>> > 3. run make, check for "download" output
>> > 4. git add the md5 file, which has now taken place of your file in
>> baseline
>> > dir
>> > 5. Commit all you need to commit
>> > 6. git gitlab-push ( magic happens here )
>> >
>> > Mathieu Westphal
>> >
>> > On Wed, Apr 13, 2016 at 10:25 PM, David Gobbi <david.gobbi at gmail.com>
>> wrote:
>> >>
>> >> Hi All,
>> >>
>> >> I've got a problem with ExternalData that is driving me crazy.  CMake
>> >> computed the md5 sum and "staged" the image, whatever that means:
>> >>
>> >>
>> >>
>> Filters/General/Testing/Data/Baseline/.ExternalData_MD5_9dcc0e95cafb270cddfd482186180ab5
>> >>
>> >> How does it go from here to the midas database? Because that step just
>> >> doesn't seem to be happening. This is specifically with respect to the
>> >> following merge request:
>> >>
>> >> https://gitlab.kitware.com/vtk/vtk/merge_requests/1336
>> >>
>> >> Cheers,
>> >>  - David
>> >>
>> >>
>> >>
>> >>
>> >>
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>> >>
>> >
>> >
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>>
>>
>>
>> --
>> Cory Quammen
>> R&D Engineer
>> Kitware, Inc.
>>
>
>
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-- 
William J. Schroeder, PhD
Kitware, Inc. - Building the World's Technical Computing Software
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