1755.3.6
by John Arbash Meinel
Add a test suite for Atomic File, and clean it up so that it really does set the mode properly. |
1 |
# Copyright (C) 2006 Canonical Ltd
|
2 |
#
|
|
3 |
# This program is free software; you can redistribute it and/or modify
|
|
4 |
# it under the terms of the GNU General Public License as published by
|
|
5 |
# the Free Software Foundation; either version 2 of the License, or
|
|
6 |
# (at your option) any later version.
|
|
7 |
#
|
|
8 |
# This program is distributed in the hope that it will be useful,
|
|
9 |
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
10 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
11 |
# GNU General Public License for more details.
|
|
12 |
#
|
|
13 |
# You should have received a copy of the GNU General Public License
|
|
14 |
# along with this program; if not, write to the Free Software
|
|
15 |
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
16 |
||
17 |
"""Basic tests for AtomicFile"""
|
|
18 |
||
19 |
import os |
|
20 |
import stat |
|
21 |
import sys |
|
22 |
||
23 |
from bzrlib import ( |
|
24 |
atomicfile, |
|
25 |
errors, |
|
1755.3.9
by John Arbash Meinel
Make AtomicFile not do anything if not supplied a mode, clean up LocalTransport now that we do the right thing for None |
26 |
osutils, |
1755.3.11
by John Arbash Meinel
Test that AtomicFile.closed is supported, but deprecated |
27 |
symbol_versioning, |
1755.3.6
by John Arbash Meinel
Add a test suite for Atomic File, and clean it up so that it really does set the mode properly. |
28 |
)
|
1982.1.1
by Alexander Belchenko
Explicitly skip tests with file attribute manipulations instead of silently pass |
29 |
from bzrlib.tests import TestCaseInTempDir, TestSkipped |
1755.3.6
by John Arbash Meinel
Add a test suite for Atomic File, and clean it up so that it really does set the mode properly. |
30 |
|
31 |
||
32 |
class TestAtomicFile(TestCaseInTempDir): |
|
33 |
||
34 |
def test_commit(self): |
|
35 |
f = atomicfile.AtomicFile('test') |
|
36 |
self.failIfExists('test') |
|
37 |
f.write('foo\n') |
|
38 |
f.commit() |
|
39 |
||
40 |
self.assertEqual(['test'], os.listdir('.')) |
|
41 |
self.check_file_contents('test', 'foo\n') |
|
42 |
self.assertRaises(errors.AtomicFileAlreadyClosed, f.commit) |
|
43 |
self.assertRaises(errors.AtomicFileAlreadyClosed, f.abort) |
|
44 |
# close is re-entrant safe
|
|
45 |
f.close() |
|
46 |
||
47 |
def test_abort(self): |
|
48 |
f = atomicfile.AtomicFile('test') |
|
49 |
f.write('foo\n') |
|
50 |
f.abort() |
|
51 |
self.assertEqual([], os.listdir('.')) |
|
52 |
||
53 |
self.assertRaises(errors.AtomicFileAlreadyClosed, f.abort) |
|
54 |
self.assertRaises(errors.AtomicFileAlreadyClosed, f.commit) |
|
55 |
||
56 |
# close is re-entrant safe
|
|
57 |
f.close() |
|
58 |
||
59 |
def test_close(self): |
|
60 |
f = atomicfile.AtomicFile('test') |
|
61 |
f.write('foo\n') |
|
62 |
# close on an open file is an abort
|
|
63 |
f.close() |
|
64 |
self.assertEqual([], os.listdir('.')) |
|
65 |
||
66 |
self.assertRaises(errors.AtomicFileAlreadyClosed, f.abort) |
|
67 |
self.assertRaises(errors.AtomicFileAlreadyClosed, f.commit) |
|
68 |
||
69 |
# close is re-entrant safe
|
|
70 |
f.close() |
|
71 |
||
72 |
def test_text_mode(self): |
|
73 |
f = atomicfile.AtomicFile('test', mode='wt') |
|
74 |
f.write('foo\n') |
|
75 |
f.commit() |
|
76 |
||
77 |
contents = open('test', 'rb').read() |
|
78 |
if sys.platform == 'win32': |
|
79 |
self.assertEqual('foo\r\n', contents) |
|
80 |
else: |
|
81 |
self.assertEqual('foo\n', contents) |
|
82 |
||
83 |
def can_sys_preserve_mode(self): |
|
84 |
# PLATFORM DEFICIENCY/ TestSkipped
|
|
85 |
return sys.platform not in ('win32',) |
|
86 |
||
87 |
def _test_mode(self, mode): |
|
88 |
if not self.can_sys_preserve_mode(): |
|
1982.1.1
by Alexander Belchenko
Explicitly skip tests with file attribute manipulations instead of silently pass |
89 |
raise TestSkipped("This test cannot be run on your platform") |
1755.3.9
by John Arbash Meinel
Make AtomicFile not do anything if not supplied a mode, clean up LocalTransport now that we do the right thing for None |
90 |
f = atomicfile.AtomicFile('test', mode='wb', new_mode=mode) |
1755.3.6
by John Arbash Meinel
Add a test suite for Atomic File, and clean it up so that it really does set the mode properly. |
91 |
f.write('foo\n') |
92 |
f.commit() |
|
93 |
st = os.lstat('test') |
|
94 |
self.assertEqualMode(mode, stat.S_IMODE(st.st_mode)) |
|
95 |
||
96 |
def test_mode_0666(self): |
|
97 |
self._test_mode(0666) |
|
98 |
||
99 |
def test_mode_0664(self): |
|
100 |
self._test_mode(0664) |
|
101 |
||
102 |
def test_mode_0660(self): |
|
103 |
self._test_mode(0660) |
|
104 |
||
105 |
def test_mode_0660(self): |
|
106 |
self._test_mode(0660) |
|
107 |
||
108 |
def test_mode_0640(self): |
|
109 |
self._test_mode(0640) |
|
110 |
||
111 |
def test_mode_0600(self): |
|
112 |
self._test_mode(0600) |
|
113 |
||
114 |
def test_mode_0400(self): |
|
115 |
self._test_mode(0400) |
|
116 |
# Make it read-write again so cleanup doesn't complain
|
|
117 |
os.chmod('test', 0600) |
|
1755.3.9
by John Arbash Meinel
Make AtomicFile not do anything if not supplied a mode, clean up LocalTransport now that we do the right thing for None |
118 |
|
119 |
def test_no_mode(self): |
|
120 |
# The default file permissions should be based on umask
|
|
121 |
umask = osutils.get_umask() |
|
122 |
f = atomicfile.AtomicFile('test', mode='wb') |
|
123 |
f.write('foo\n') |
|
124 |
f.commit() |
|
125 |
st = os.lstat('test') |
|
126 |
self.assertEqualMode(0666 & ~umask, stat.S_IMODE(st.st_mode)) |
|
1755.3.11
by John Arbash Meinel
Test that AtomicFile.closed is supported, but deprecated |
127 |
|
128 |
def test_closed(self): |
|
129 |
local_warnings = [] |
|
130 |
def capture_warnings(msg, cls, stacklevel=None): |
|
131 |
self.assertEqual(cls, DeprecationWarning) |
|
132 |
local_warnings.append(msg) |
|
133 |
||
134 |
method = symbol_versioning.warn |
|
135 |
try: |
|
136 |
symbol_versioning.set_warning_method(capture_warnings) |
|
137 |
f = atomicfile.AtomicFile('test', mode='wb') |
|
138 |
self.assertEqual(False, f.closed) |
|
139 |
f.abort() |
|
140 |
self.assertEqual(True, f.closed) |
|
141 |
||
142 |
f = atomicfile.AtomicFile('test', mode='wb') |
|
143 |
f.close() |
|
144 |
self.assertEqual(True, f.closed) |
|
145 |
||
146 |
f = atomicfile.AtomicFile('test', mode='wb') |
|
147 |
f.commit() |
|
148 |
self.assertEqual(True, f.closed) |
|
149 |
finally: |
|
150 |
symbol_versioning.set_warning_method(method) |
|
151 |
||
152 |
txt = 'AtomicFile.closed deprecated in bzr 0.10' |
|
153 |
self.assertEqual([txt]*4, local_warnings) |