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Viewing changes to bzrlib/tests/branch_implementations/test_permissions.py

  • Committer: Martin Pool
  • Date: 2009-03-24 05:21:02 UTC
  • mfrom: (4192 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4202.
  • Revision ID: mbp@sourcefrog.net-20090324052102-8kk087b32tep3d9h
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bzrlib/tests/branch_implementations/test_permissions.py
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So if the directory is group writable, the files and subdirs should be as well.
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"""
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# TODO: jam 20051215 Currently the default behavior for 'bzr branch' is just 
 
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# TODO: jam 20051215 Currently the default behavior for 'bzr branch' is just
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#                    defined by the local umask. This isn't terrible, is it
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#                    the truly desired behavior?
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import os
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import sys
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import stat
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from StringIO import StringIO
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from bzrlib import tests
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from bzrlib.branch import Branch
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from bzrlib.bzrdir import BzrDir
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from bzrlib.lockable_files import LockableFiles
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from bzrlib.remote import RemoteBranchFormat
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from bzrlib.tests import TestCaseWithTransport, TestSkipped
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from bzrlib.tests.test_permissions import chmod_r, check_mode_r
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from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
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from bzrlib.transport import get_transport
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from bzrlib.workingtree import WorkingTree
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class TestPermissions(TestCaseWithTransport):
 
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class _NullPermsStat(object):
 
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    """A class that proxy's a stat result and strips permissions."""
 
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    def __init__(self, orig_stat):
 
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        self._orig_stat = orig_stat
 
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        # We strip all permission bits from st_mode
 
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        self.st_mode = orig_stat.st_mode & ~07777
 
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    def __getattr__(self, name):
 
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        return getattr(self._orig_stat, name)
 
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class TestPermissions(tests.TestCaseWithTransport):
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    def test_new_branch(self):
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        if isinstance(self.branch_format, RemoteBranchFormat):
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            # Remote branch format have no permission logic in them; there's
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            # nothing to test here.
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            return
 
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            raise tests.TestNotApplicable('Remote branches have no'
 
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                                          ' permission logic')
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        if sys.platform == 'win32':
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            raise TestSkipped('chmod has no effect on win32')
 
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            raise tests.TestNotApplicable('chmod has no effect on win32')
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        # also, these are BzrBranch format specific things..
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        os.mkdir('a')
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        mode = stat.S_IMODE(os.stat('a').st_mode)
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        self.assertEqualMode(mode, b.control_files._dir_mode)
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        self.assertEqualMode(mode & ~07111, b.control_files._file_mode)
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        os.mkdir('d')
 
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        os.chmod('d', 0700)
 
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        b = self.make_branch('d')
 
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        self.assertEqualMode(0700, b.bzrdir._get_dir_mode())
 
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        self.assertEqualMode(0600, b.bzrdir._get_file_mode())
 
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        self.assertEqualMode(0700, b.control_files._dir_mode)
 
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        self.assertEqualMode(0600, b.control_files._file_mode)
 
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        check_mode_r(self, 'd/.bzr', 00600, 00700)
 
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    def test_new_branch_group_sticky_bit(self):
 
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        if isinstance(self.branch_format, RemoteBranchFormat):
 
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            # Remote branch format have no permission logic in them; there's
 
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            # nothing to test here.
 
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            raise tests.TestNotApplicable('Remote branches have no'
 
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                                          ' permission logic')
 
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        if sys.platform == 'win32':
 
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            raise tests.TestNotApplicable('chmod has no effect on win32')
 
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        elif sys.platform == 'darwin':
 
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            # OS X creates temp dirs with the 'wheel' group, which users are
 
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            # not likely to be in, and this prevents us from setting the sgid
 
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            # bit
 
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            os.chown(self.test_dir, os.getuid(), os.getgid())
 
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        # also, these are BzrBranch format specific things..
 
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        t = self.make_branch_and_tree('.')
 
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        b = t.branch
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        os.mkdir('b')
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        os.chmod('b', 02777)
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        b = self.make_branch('b')
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        self.assertEqualMode(00640, b.control_files._file_mode)
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        check_mode_r(self, 'c/.bzr', 00640, 02750)
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        os.mkdir('d')
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        os.chmod('d', 0700)
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        b = self.make_branch('d')
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        self.assertEqualMode(0700, b.bzrdir._get_dir_mode())
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        self.assertEqualMode(0600, b.bzrdir._get_file_mode())
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        self.assertEqualMode(0700, b.control_files._dir_mode)
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        self.assertEqualMode(0600, b.control_files._file_mode)
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        check_mode_r(self, 'd/.bzr', 00600, 00700)
 
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    def test_mode_0(self):
 
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        """Test when a transport returns null permissions for .bzr"""
 
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        if isinstance(self.branch_format, RemoteBranchFormat):
 
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            # Remote branch format have no permission logic in them; there's
 
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            # nothing to test here.
 
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            raise tests.TestNotApplicable('Remote branches have no'
 
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                                          ' permission logic')
 
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        self.make_branch_and_tree('.')
 
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        bzrdir = BzrDir.open('.')
 
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        # Monkey patch the transport
 
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        _orig_stat = bzrdir.transport.stat
 
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        def null_perms_stat(*args, **kwargs):
 
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            result = _orig_stat(*args, **kwargs)
 
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            return _NullPermsStat(result)
 
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        bzrdir.transport.stat = null_perms_stat
 
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        self.assertIs(None, bzrdir._get_dir_mode())
 
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        self.assertIs(None, bzrdir._get_file_mode())