[SciPy-dev] automatic test script for scipy

eric eric at scipy.org
Fri Apr 12 14:14:45 CDT 2002

Test reports should be much less verbose now -- about 20K or so when test pass.
Death in a Python makefile will be more verbose, but still less so than
previously.  It remains to be seen whether the are now to short for debuggign
when something in the build process goes wrong.


----- Original Message -----
From: "eric" <eric at scipy.org>
To: <scipy-dev at scipy.org>
Sent: Friday, April 12, 2002 1:27 PM
Subject: [SciPy-dev] automatic test script for scipy

> Hello group,
> As I've tried to get testing of the build done for the upcoming release, I
> it arduous to test on even the few platforms I have here.  So, I took a couple
> of days to put together a automatic testing facility.  It is still pretty raw,
> but, with polishing, it should clean up nicely.  The scripts automatically
> SciPy builds against different versions of Python, Numeric, f2py2e, atlas
> (sorta).  Adding things like fftw, etc. should also be fairly easy.
> the script runs and then mails its output to scipy-testlog at scipy.org.  This is
> new mailing list that you can subscribe to it here:
>   http://www.scipy.net/mailman/listinfo/scipy-testlog
> I doubt you want to though.  The output is probably only interesting to a few
> us.  Also, the mail messages are currently very large (700K), and there are
> likely to be many (10-50) from nightly cron jobs running on test machines.
> probably better to look over the archives.  Here is the one for April:
>   http://www.scipy.net/pipermail/scipy-testlog/2002-April/date.html
> As for the release, it is passed mid-week, it still isn't here.  The tests are
> mostly passing now, so it is just polishing, release docs, etc. that are
> (I think?).  Still,  I'm done guessing when the release will happen. :-|
> However, I hope to make some beta tar-balls and windows exe distributions
> or this weekend for others to test.
> For those curious, Numeric 19.0 and before fail to work with SciPy.  20.0
> but fails 3 errors.  20.3 and beyond all pass.
> As for the script, it is working on Linux now, and I hope to get it going on
> cygwin and Windows (with some modification) soon.  Here is a standard call:
>     full_scipy_build(build_dir = '/tmp/scipy_test',
>                      test_level = 10,
>                      python_version  = '2.1.3',
>                      numeric_version = '18.4.1',
>                      f2py_version    = '2.13.175-1250',
>                      atlas_version   = '3.3.14',
>                      scipy_version   = 'snapshot')
> This will look in a local repository of tarballs (hard coded for our network
> right now) to see if python-2.2.1.tgz exist there.  If not, it will download
> from the python.org site, cache it in the local repository, unpack it, and
> it.  It follows this same procedure for every package (except atlas which I'll
> discuss in a minute).  The scipysnapshot is a nightly CVS snapshot from scipy
> ftp site.  The builds of numeric, f2py, and scipy are done with the just-built
> version of python.
> After building everything, it runs a scipy's test suite at level=10.  Both the
> build and test reports are sent in the email message.
> Enthought will eventually cover Windows, Sun, Irix, RH Linux, and Mac OS X
> here -- all with gcc (or MSVC on windows).  Right now, it only runs on our
> server.  Feel free to use the script and email reports from your architecture.
> You'll have to be willing to poke through some code and change settings though
> (mostly at the top of the script) to get it working on your local machine.  It
> takes 15 minutes to build/test a single group of settings on our relatively
> Linux server.
> Things that need work:
> 1.
> The reports are way to verbose.  We need to set things up so that when Python
> builds successfully, it just reports success instead of the entire build
> process.  This would cut message size significantly.  I think this is very
> simple.
> 2.
> Clean up reports.  Right now, they are very raw.  They should probably have
> OS/compiler information and also an easier to find report of success or
> Also, the tests results are coming out in screwy orders (sterr,stout issues I
> expect), and this should be fixed.  I think a custom unittest report class
> solve a lot of this.
> 3.
> Add compiler options (cc, gcc, kgcc, etc.) for the individual packages.  Some
> people are reporting that SciPy built with compiler X doesn't play well with
> Python or Numeric built with compiler Y.  It'd be nice set the type of
> each package is built with.
> 4.
> Atlas.  Right now the script is hardcoded to download some atlas libraries I
> built for RH on PIII.  This is obviously not portable.  Automating the atlas
> build is also hard because it requires user input.  I think we could replace
> config.c with our own config.c that just removed user input request and used
> default values.  That wouldn't be hard.  We'd also need to make config.c emit
> the directory where it was going to put the library files in an easy to parse
> way so that we'd know where to copy them from.
> An alternative approach is to set up a repository of precompiled atlas
> (similar to the one I have now).  This could go on SciPy, and we could use
> standard naming convention for OS/architecture.
> I think we should do both...
> 5.
> Testing against the OS installed Python instead of a locally built one.
> This is probably pretty important -- especially for windows.  I haven't set
> up yet.  The test always use a version of Python built by the tests.
> 6.
> CVS testing.
> Right now, the test structure only can build from tar balls.
> 7.
> Move from email to a web interface.
> The reports should really be summarized on the web in a table.
> 8.
> Agent based?
> It be nice to have a web of test machines that people could "tell" to start
> testing the latest CVS.  This would allow people to find out if their latest
> changes break other OSes.  Shouldn't be to difficult, but I'm also not sure
> much this is really worth.  The nightly crons are likely enough.
> 9.
> Speeding up tests.
> It takes a while to build and then test all these packages -- more tahn 15
> minutes on our Linux server.  The script already reuses previously built
> versions of a tool (make the 2nd time runs very fast on Python because the
> are all built), but there may be some streamlining that would help.  Not sure
> this can really be improved.
> 10.
> Separate .cfg file so that site dependent features are included in the CVS
> respository.
> 11.
> Many more I'm sure.
> regards,
> eric
> --
> Eric Jones <eric at enthought.com>
> Enthought, Inc. [www.enthought.com and www.scipy.org]
> (512) 536-1057
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