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Viewing changes to bzrlib/tests/features.py

  • Committer: John Arbash Meinel
  • Date: 2009-12-22 16:28:47 UTC
  • mto: This revision was merged to the branch mainline in revision 4922.
  • Revision ID: john@arbash-meinel.com-20091222162847-tvnsc69to4l4uf5r
Implement a permute_for_extension helper.

Use it for all of the 'simple' extension permutations.
It basically permutes all tests in the current module, by setting TestCase.module.
Which works well for most of our extension tests. Some had more advanced
handling of permutations (extra permutations, custom vars, etc.)

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bzrlib/tests/features.py
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# Copyright (C) 2009, 2010 Canonical Ltd
 
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# Copyright (C) 2009 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import os
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import stat
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from bzrlib import tests
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from bzrlib.symbol_versioning import deprecated_in
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apport = tests.ModuleAvailableFeature('apport')
 
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ApportFeature = tests._CompatabilityThunkFeature('bzrlib.tests.features',
 
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    'ApportFeature', 'bzrlib.tests.features.apport', deprecated_in((2,1,0)))
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paramiko = tests.ModuleAvailableFeature('paramiko')
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pycurl = tests.ModuleAvailableFeature('pycurl')
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subunit = tests.ModuleAvailableFeature('subunit')
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class _PosixPermissionsFeature(tests.Feature):
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    def _probe(self):
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        def has_perms():
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            # create temporary file and check if specified perms are maintained.
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            import tempfile
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            write_perms = stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR
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            f = tempfile.mkstemp(prefix='bzr_perms_chk_')
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            fd, name = f
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            os.close(fd)
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            os.chmod(name, write_perms)
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            read_perms = os.stat(name).st_mode & 0777
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            os.unlink(name)
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            return (write_perms == read_perms)
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        return (os.name == 'posix') and has_perms()
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    def feature_name(self):
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        return 'POSIX permissions support'
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posix_permissions_feature = _PosixPermissionsFeature()
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class _ChownFeature(tests.Feature):
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    """os.chown is supported"""
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    def _probe(self):
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        return os.name == 'posix' and hasattr(os, 'chown')
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chown_feature = _ChownFeature()
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