[libvirt PATCH 312/351] meson: tests: add file access test setup

[Pavel Hrdina]

On Tue, Jul 28, 2020 at 03:19:25PM +0200, Pino Toscano wrote:
> On Tuesday, 28 July 2020 14:56:45 CEST Peter Krempa wrote:
> > On Thu, Jul 16, 2020 at 11:59:08 +0200, Pavel Hrdina wrote:
> > > We need to modify check-file-access.py to be usable as wrapper for
> > > libvirt tests. This way we can run the tests using this command:
> > > 
> > >     meson test --setup access
> > > 
> > > which will run all tests using check-file-access.py as a wrapper.
> > > 
> > > With autotools all file access are written into single file for all
> > > tests and compared once the whole test suite is done.
> > > 
> > > With Meson we will compare the file access after every single test
> > > because it is used as wrapper now. That requires writing the file
> > > access into separate files for every single test as they are executed
> > > in parallel.
> > > 
> > > Since the wrapper is used for all tests in Meson including tests outside
> > > of tests directory we have to check for presence of the output file.
> > > We should also cleanup after ourselves.
> > > 
> > > Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
> > > ---
> > >  Makefile.am                  |  3 ---
> > >  scripts/check-file-access.py | 24 +++++++++++++++++++-----
> > >  tests/Makefile.am            | 12 ------------
> > >  tests/meson.build            |  8 ++++++++
> > >  tests/virtestmock.c          |  2 +-
> > >  5 files changed, 28 insertions(+), 21 deletions(-)
> > > 
> > > diff --git a/Makefile.am b/Makefile.am
> > > index 363c5cf66fd..d05a0c1a85a 100644
> > > --- a/Makefile.am
> > > +++ b/Makefile.am
> > > @@ -37,9 +37,6 @@ srpm: clean
> > >  
> > >  check-local: all tests
> > >  
> > > -check-access: all
> > > -	@($(MAKE) $(AM_MAKEFLAGS) -C tests check-access)
> > > -
> > >  dist-hook: gen-AUTHORS
> > >  
> > >  .PHONY: gen-AUTHORS
> > > diff --git a/scripts/check-file-access.py b/scripts/check-file-access.py
> > > index aa120cafacf..f0e98f4b652 100755
> > > --- a/scripts/check-file-access.py
> > > +++ b/scripts/check-file-access.py
> > > @@ -21,15 +21,27 @@
> > >  #
> > >  #
> > >  
> > > +import os
> > > +import random
> > >  import re
> > > +import string
> > >  import sys
> > >  
> > > -if len(sys.argv) != 3:
> > > -    print("syntax: %s ACCESS-FILE PERMITTED-ACCESS-FILE")
> > > -    sys.exit(1)
> > > +abs_builddir = os.environ.get('abs_builddir', '')
> > > +abs_srcdir = os.environ.get('abs_srcdir', '')
> > >  
> > > -access_file = sys.argv[1]
> > > -permitted_file = sys.argv[2]
> > > +filename = ''.join(random.choice(string.ascii_letters) for _ in range(16))
> > 
> > Umm, python doesn't have a 'mkostemp' equivalent? This seems a bit
> > fishy.
> 
> Sure, it is the tempfile module:
> https://docs.python.org/3/library/tempfile.html
> 
>   filename = tempfile.mkstemp(dir=abs_builddir, prefix='file-access-', suffix='.txt')

I'll look into it. When porting it I just looked for any solution as
this can be changed any time after the series is pushed.

Thanks

Pavel
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