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1558.10.2
by Robert Collins
Refactor the FakeNFS support into a TransportDecorator. |
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# Copyright (C) 2005, 2006 Canonical Ltd
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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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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Transport implementation that adapts another transport to look like NFS.
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Currently this means that the rename() call will raise ResourceBusy when a
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target path is a directory.
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To get a fake nfs transport use get_transport('fakenfs+' + real_url)
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"""
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from stat import * |
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import bzrlib.errors as errors |
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from bzrlib.transport.decorator import TransportDecorator, DecoratorServer |
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class FakeNFSTransportDecorator(TransportDecorator): |
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"""A transport that behaves like NFS, for testing"""
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@classmethod
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def _get_url_prefix(self): |
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"""FakeNFS transports are identified by 'fakenfs+'"""
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return 'fakenfs+' |
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def rename(self, rel_from, rel_to): |
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"""See Transport.rename().
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This variation on rename converts DirectoryNotEmpty and FileExists
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errors into ResourceBusy if the target is a directory.
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"""
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try: |
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self._decorated.rename(rel_from, rel_to) |
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except (errors.DirectoryNotEmpty, errors.FileExists), e: |
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# if this is a directory rename, raise
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# resourcebusy rather than DirectoryNotEmpty
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stat = self._decorated.stat(rel_to) |
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if S_ISDIR(stat.st_mode): |
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raise errors.ResourceBusy(rel_to) |
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else: |
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raise
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class FakeNFSServer(DecoratorServer): |
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"""Server for the FakeNFSTransportDecorator for testing with."""
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def get_decorator_class(self): |
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return FakeNFSTransportDecorator |
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def get_test_permutations(): |
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"""Return the permutations to be used in testing."""
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return [(FakeNFSTransportDecorator, FakeNFSServer), |
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]
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