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Viewing changes to bzrlib/tests/test_lockable_files.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-06-22 17:11:20 UTC
  • mfrom: (4398.8.10 1.16-commit-fulltext)
  • Revision ID: pqm@pqm.ubuntu.com-20090622171120-fuxez9ylfqpxynqn
(jam) Add VF._add_text and reduce memory overhead during commit (see
        bug #109114)

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bzrlib/tests/test_lockable_files.py
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# Copyright (C) 2005-2011 Canonical Ltd
 
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# Copyright (C) 2005, 2006, 2008 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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from StringIO import StringIO
 
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import bzrlib
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from bzrlib import (
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    errors,
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    lockdir,
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    osutils,
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    transport,
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    )
 
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from bzrlib.errors import BzrBadParameterNotString, NoSuchFile, ReadOnlyError
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from bzrlib.lockable_files import LockableFiles, TransportLock
 
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from bzrlib.symbol_versioning import (
 
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    deprecated_in,
 
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    )
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from bzrlib.tests import (
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    TestCaseInTempDir,
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    TestNotApplicable,
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                                 ReadOnlyTransaction,
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                                 WriteTransaction,
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                                 )
 
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from bzrlib.transport import get_transport
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# these tests are applied in each parameterized suite for LockableFiles
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# so won't modernize them now. - mbp 20080430
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class _TestLockableFiles_mixin(object):
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    def test_read_write(self):
 
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        self.assertRaises(NoSuchFile,
 
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            self.applyDeprecated,
 
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            deprecated_in((1, 5, 0)),
 
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            self.lockable.get, 'foo')
 
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        self.assertRaises(NoSuchFile,
 
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            self.applyDeprecated,
 
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            deprecated_in((1, 5, 0)),
 
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            self.lockable.get_utf8, 'foo')
 
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        self.lockable.lock_write()
 
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        self.addCleanup(self.lockable.unlock)
 
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        unicode_string = u'bar\u1234'
 
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        self.assertEqual(4, len(unicode_string))
 
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        byte_string = unicode_string.encode('utf-8')
 
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        self.assertEqual(6, len(byte_string))
 
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        self.assertRaises(UnicodeEncodeError,
 
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            self.applyDeprecated,
 
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            deprecated_in((1, 6, 0)),
 
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            self.lockable.put, 'foo',
 
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            StringIO(unicode_string))
 
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        self.applyDeprecated(
 
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            deprecated_in((1, 6, 0)),
 
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            self.lockable.put,
 
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            'foo', StringIO(byte_string))
 
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        byte_stream = self.applyDeprecated(
 
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            deprecated_in((1, 5, 0)),
 
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            self.lockable.get,
 
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            'foo')
 
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        self.assertEqual(byte_string, byte_stream.read())
 
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        unicode_stream = self.applyDeprecated(
 
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            deprecated_in((1, 5, 0)),
 
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            self.lockable.get_utf8,
 
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            'foo')
 
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        self.assertEqual(unicode_string,
 
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            unicode_stream.read())
 
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        self.assertRaises(BzrBadParameterNotString,
 
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            self.applyDeprecated,
 
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            deprecated_in((1, 6, 0)),
 
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            self.lockable.put_utf8,
 
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            'bar',
 
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            StringIO(unicode_string))
 
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        self.applyDeprecated(
 
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            deprecated_in((1, 6, 0)),
 
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            self.lockable.put_utf8,
 
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            'bar',
 
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            unicode_string)
 
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        unicode_stream = self.applyDeprecated(
 
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            deprecated_in((1, 5, 0)),
 
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            self.lockable.get_utf8,
 
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            'bar')
 
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        self.assertEqual(unicode_string,
 
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            unicode_stream.read())
 
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        byte_stream = self.applyDeprecated(
 
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            deprecated_in((1, 5, 0)),
 
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            self.lockable.get,
 
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            'bar')
 
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        self.assertEqual(byte_string, byte_stream.read())
 
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        self.applyDeprecated(
 
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            deprecated_in((1, 6, 0)),
 
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            self.lockable.put_bytes,
 
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            'raw', 'raw\xffbytes')
 
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        byte_stream = self.applyDeprecated(
 
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            deprecated_in((1, 5, 0)),
 
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            self.lockable.get,
 
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            'raw')
 
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        self.assertEqual('raw\xffbytes', byte_stream.read())
 
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    def test_locks(self):
 
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        self.lockable.lock_read()
 
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        self.addCleanup(self.lockable.unlock)
 
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        self.assertRaises(ReadOnlyError, self.lockable.put, 'foo',
 
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                          StringIO('bar\u1234'))
 
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    def test_transactions(self):
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        self.assertIs(self.lockable.get_transaction().__class__,
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                      PassThroughTransaction)
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        l2 = self.get_lockable()
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        orig_factory = bzrlib.ui.ui_factory
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        # silent ui - no need for stdout
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        bzrlib.ui.ui_factory = bzrlib.ui.CannedInputUIFactory([True])
 
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        bzrlib.ui.ui_factory = bzrlib.ui.SilentUIFactory()
 
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        bzrlib.ui.ui_factory.stdin = StringIO("y\n")
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        try:
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            l2.break_lock()
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        finally:
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    def setUp(self):
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        TestCaseInTempDir.setUp(self)
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        t = transport.get_transport('.')
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        t.mkdir('.bzr')
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        self.sub_transport = t.clone('.bzr')
 
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        transport = get_transport('.')
 
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        transport.mkdir('.bzr')
 
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        self.sub_transport = transport.clone('.bzr')
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        self.lockable = self.get_lockable()
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        self.lockable.create_lock()
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    def stop_server(self):
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        super(TestLockableFiles_TransportLock, self).stop_server()
 
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    def tearDown(self):
 
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        super(TestLockableFiles_TransportLock, self).tearDown()
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        # free the subtransport so that we do not get a 5 second
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        # timeout due to the SFTP connection cache.
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        try:
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    def setUp(self):
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        TestCaseInTempDir.setUp(self)
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        self.transport = transport.get_transport('.')
 
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        self.transport = get_transport('.')
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        self.lockable = self.get_lockable()
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        # the lock creation here sets mode - test_permissions on branch
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        # tests that implicitly, but it might be a good idea to factor
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        # in test_remote and test_smart as usual.
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        b = self.make_branch('foo')
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        self.addCleanup(b.bzrdir.transport.disconnect)
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        self.transport = transport.get_transport('.')
 
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        self.transport = get_transport('.')
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        self.lockable = self.get_lockable()
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    def get_lockable(self):