# Copyright (C) 2008, 2009, 2010 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for log+ transport decorator."""
import types
from bzrlib.tests import TestCaseWithMemoryTransport
from bzrlib.trace import mutter
from bzrlib.transport import get_transport
from bzrlib.transport.log import TransportLogDecorator
class TestTransportLog(TestCaseWithMemoryTransport):
def test_log_transport(self):
base_transport = self.get_transport('')
logging_transport = get_transport('log+' + base_transport.base)
# operations such as mkdir are logged
mutter('where are you?')
logging_transport.mkdir('subdir')
log = self.get_log()
self.assertContainsRe(log, r'mkdir memory\+\d+://.*subdir')
self.assertContainsRe(log, ' --> None')
# they have the expected effect
self.assertTrue(logging_transport.has('subdir'))
# and they operate on the underlying transport
self.assertTrue(base_transport.has('subdir'))
def test_log_readv(self):
# see <https://bugs.launchpad.net/bzr/+bug/340347>
# transports are not required to return a generator, but we
# specifically want to check that those that do cause it to be passed
# through, for the sake of minimum interference
base_transport = DummyReadvTransport()
# construct it directly to avoid needing the dummy transport to be
# registered etc
logging_transport = TransportLogDecorator(
'log+dummy:///', _decorated=base_transport)
result = base_transport.readv('foo', [(0, 10)])
# sadly there's no types.IteratorType, and GeneratorType is too
# specific
self.assertTrue(getattr(result, 'next'))
result = logging_transport.readv('foo', [(0, 10)])
self.assertTrue(getattr(result, 'next'))
self.assertEquals(list(result),
[(0, 'abcdefghij')])
class DummyReadvTransport(object):
base = 'dummy:///'
def readv(self, filename, offset_length_pairs):
yield (0, 'abcdefghij')
def abspath(self, path):
return self.base + path
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