[yt-dev] Testing Infrastructure: Datasets for ART, Orion, FLASH, etc ...

[Andrew Myers]

Hi Matt,

I'd be happy to provide some Orion datasets for testing.

Best,
Andrew

On Fri, Oct 12, 2012 at 2:54 PM, Matthew Turk <matthewturk at gmail.com> wrote:

> Hi all,
>
> Today at UCSC, Nathan, Chris (Moody) and I sat down and went through
> what we wanted to accomplish with testing.  This comes back to the
> age-old dichotomy between unit testing and answer testing.  But what
> this really comes back to, now that we had the opportunity to think
> about it, is the difference between testing components and
> functionality versus testing frontends.
>
> So the idea here is:
>
> Unit tests => Cover, using either manually inserted data values or
> randomly generated "parameter files", individual units of the code.
> Stephen and I have written a bunch in the last couple days.  We have
> nearly 500, and they take < 1 minute to run.
>
> Frontend/Answer tests => Cover a large portion of high-level
> functionality that touches a lot of the code, but do so by running
> things like projections, profiles, etc on actual data from actual
> simulation codes, which then get compared to reference values that are
> stored somewhere.  Currently we have ~550 answer tests, and they run
> every 30 minutes on moving7_0010 (comes wit yt) and once a day on
> JHK-DD0030 (on yt-project.org/data/ as IsolatedGalaxy .)  We do not
> have automated FLASH testing.
>
> The next step is:
>
> 1) Getting a bunch of non-proprietary sets of data that are small
> *and* medium, for each code base we want to test.  This data must be
> non-proprietary!  For small, I would say they can be trivially small.
> For medium, I'd prefer in the 0.5 - 5 gb range for size-on-disk.  I
> would think that GasSloshing and WindTunnel could work for FLASH.  But
> we still need ART data (from Chris Moody), GDF or Piernik data (from
> Kacper), Orion data (if possible), Nyx data (if possible).  I will
> handle adding RAMSES data in the 3.0 branch.
> 2) Getting a mechanism to run answer tests that isn't "Matt's
> desktop."  I've emailed Shining Panda about this, but if they don't
> have the ability to provide us with a FLOSS license, I think we can
> identify some funding to do this.
> 3) Have a mechanism to display and collate results.  ShiningPanda
> would do this if we were on their systems.
> 4) Make it much easier to flag individual tests as needing updates.  I
> think the Data Hub will be the end place for this, but this is lower
> priority.
> 5) Migrate answer testing to use unit testing framework, as most of
> what we've done there re-implements stuff that is in the unit testing
> frameworks.  This will mean we can much more easily handle
> test-discovery, which is a huge plus.
>
> Ultimately, the end product of all of this is that we should
> eventually have a method for running a single set of tests that do
> test discovery that loads up a bunch of different data outputs, runs
> answer tests on all of them, runs the unit tests, etc etc.  I think it
> just needs the last 25% to finish up the infrastructure.
>
> So: those of you out there who have access to any datasets of types
> otehr than FLASH or Enzo, can you provide non-proprietary, medium-size
> and small-size datasets?  I'd like to have two for every code base, at
> least.
>
> So: those of you who want to help out, would you be interested in
> looking at the answer_testing framework with me?  I am happy to
> discuss it over email or IRC to convert it to the numpy testing
> format, which will be much easier to maintain in the long run and make
> it much easier to have a single testing system that works for
> everything.
>
> -Matt
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