1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
# Copyright (C) 2005, 2006 by 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from StringIO import StringIO
from bzrlib.branch import Branch
from bzrlib.errors import BzrBadParameterNotString, NoSuchFile, ReadOnlyError
from bzrlib.lockable_files import LockableFiles, TransportLock
from bzrlib.lockdir import LockDir
from bzrlib.tests import TestCaseInTempDir
from bzrlib.tests.test_transactions import DummyWeave
from bzrlib.transactions import (PassThroughTransaction,
ReadOnlyTransaction,
WriteTransaction,
)
from bzrlib.transport import get_transport
# these tests are applied in each parameterized suite for LockableFiles
class _TestLockableFiles_mixin(object):
def test_read_write(self):
self.assertRaises(NoSuchFile, self.lockable.get, 'foo')
self.assertRaises(NoSuchFile, self.lockable.get_utf8, 'foo')
self.lockable.lock_write()
try:
unicode_string = u'bar\u1234'
self.assertEqual(4, len(unicode_string))
byte_string = unicode_string.encode('utf-8')
self.assertEqual(6, len(byte_string))
self.assertRaises(UnicodeEncodeError, self.lockable.put, 'foo',
StringIO(unicode_string))
self.lockable.put('foo', StringIO(byte_string))
self.assertEqual(byte_string,
self.lockable.get('foo').read())
self.assertEqual(unicode_string,
self.lockable.get_utf8('foo').read())
self.assertRaises(BzrBadParameterNotString,
self.lockable.put_utf8,
'bar',
StringIO(unicode_string)
)
self.lockable.put_utf8('bar', unicode_string)
self.assertEqual(unicode_string,
self.lockable.get_utf8('bar').read())
self.assertEqual(byte_string,
self.lockable.get('bar').read())
finally:
self.lockable.unlock()
def test_locks(self):
self.lockable.lock_read()
try:
self.assertRaises(ReadOnlyError, self.lockable.put, 'foo',
StringIO('bar\u1234'))
finally:
self.lockable.unlock()
def test_transactions(self):
self.assertIs(self.lockable.get_transaction().__class__,
PassThroughTransaction)
self.lockable.lock_read()
try:
self.assertIs(self.lockable.get_transaction().__class__,
ReadOnlyTransaction)
finally:
self.lockable.unlock()
self.assertIs(self.lockable.get_transaction().__class__,
PassThroughTransaction)
self.lockable.lock_write()
self.assertIs(self.lockable.get_transaction().__class__,
WriteTransaction)
# check that finish is called:
vf = DummyWeave('a')
self.lockable.get_transaction().register_dirty(vf)
self.lockable.unlock()
self.assertTrue(vf.finished)
def test__escape(self):
self.assertEqual('%25', self.lockable._escape('%'))
def test__escape_empty(self):
self.assertEqual('', self.lockable._escape(''))
# This method of adapting tests to parameters is different to
# the TestProviderAdapters used elsewhere, but seems simpler for this
# case.
class TestLockableFiles_TransportLock(TestCaseInTempDir,
_TestLockableFiles_mixin):
def setUp(self):
super(TestLockableFiles_TransportLock, self).setUp()
transport = get_transport('.')
transport.mkdir('.bzr')
sub_transport = transport.clone('.bzr')
self.lockable = LockableFiles(sub_transport, 'my-lock', TransportLock)
self.lockable.create_lock()
class TestLockableFiles_LockDir(TestCaseInTempDir,
_TestLockableFiles_mixin):
"""LockableFile tests run with LockDir underneath"""
def setUp(self):
super(TestLockableFiles_LockDir, self).setUp()
self.transport = get_transport('.')
self.lockable = LockableFiles(self.transport, 'my-lock', LockDir)
# the lock creation here sets mode - test_permissions on branch
# tests that implicitly, but it might be a good idea to factor
# out the mode checking logic and have it applied to loackable files
# directly. RBC 20060418
self.lockable.create_lock()
def test_lock_is_lockdir(self):
"""Created instance should use a LockDir.
This primarily tests the mixin adapter works properly.
"""
## self.assertIsInstance(self.lockable, LockableFiles)
## self.assertIsInstance(self.lockable._lock_strategy,
## LockDirStrategy)
def test_lock_created(self):
self.assertTrue(self.transport.has('my-lock'))
self.lockable.lock_write()
self.assertTrue(self.transport.has('my-lock/held/info'))
self.lockable.unlock()
self.assertFalse(self.transport.has('my-lock/held/info'))
self.assertTrue(self.transport.has('my-lock'))
# TODO: Test the lockdir inherits the right file and directory permissions
# from the LockableFiles.
|