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[Pkg-octave-devel] Running Octave tests under xvfb



On Wed, Oct 18, 2017 at 01:18:09PM +0200, Rafael Laboissi?re wrote:
> * Rafael Laboissi?re <rafael at debian.org> [2017-10-18 13:07]:
> 
> > * Rafael Laboissi?re <rafael at debian.org> [2017-10-17 22:07]:
> > 
> > > * Antonio Terceiro <terceiro at debian.org> [2017-10-17 14:54]:
> > > > 
> > > > Isn't this something that could be handled in octave-autopkgtest
> > > > instead? /usr/share/octave-pkg-dev/check-pkg is a shell script,
> > > > it could source e.g. debian/tests/octave-autopkgtest.conf or
> > > > debian/octave-autopkgtest.conf if it exists, and do different
> > > > things based on the values of some documented environment
> > > > variables.
> > > > 
> > > > One of those variables would mean "Run the tests under xvfb".
> > > > This has the advantage of also working when check-pkg is
> > > > executed during the build ...
> > > > 
> > > > Also this way you only use xvfb for the packages that really
> > > > need it, cutting down in test dependencies, download/install
> > > > time, etc.
> > > 
> > > This is a sensible suggestion.  I will think about it.
> > 
> > I have given a though on your suggestion.  Imagine that a given package
> > tells the check-pkg script (through a config file as you suggested) that
> > the tests will need xvfb.  How can that work on ci.debian.org, if xvfb
> > is not declared as a dependency for running the unit tests?
> > 
> > I am probably missing something here.
> 
> Ok, I guess I could add xvfb and xauth to the list of dependencies of
> octave-autopkgtest, but this would defeat the goal of Antonio's proposal,
> since xfvb and xauth would always be installed at autopkgtest time, even for
> packages which do not need them.

Yes, good point. What you can do is to not rely on autodep8 for the
packages that really need something different than the normal mode of
operation. A package that needs to run its tests under xvfb will just
have an explicit debian/tests/control saying that, e.g.

Test-Command: xvfb-run /usr/share/octave-pkg-dev/check-pkg
Depends: @, xvfb
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