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(jameinel) Allow 'bzr serve' to interpret SIGHUP as a graceful shutdown.
 (bug #795025) (John A Meinel)

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bzrlib/tests/test_osutils.py
1
 
# Copyright (C) 2005-2010 Canonical Ltd
 
1
# Copyright (C) 2005-2011 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
21
21
import os
22
22
import re
23
23
import socket
24
 
import stat
25
24
import sys
26
25
import time
27
26
 
28
27
from bzrlib import (
29
28
    errors,
 
29
    lazy_regex,
30
30
    osutils,
 
31
    symbol_versioning,
31
32
    tests,
32
33
    trace,
33
34
    win32utils,
37
38
    file_utils,
38
39
    test__walkdirs_win32,
39
40
    )
40
 
 
41
 
 
42
 
class _UTF8DirReaderFeature(tests.Feature):
 
41
from bzrlib.tests.scenarios import load_tests_apply_scenarios
 
42
 
 
43
 
 
44
class _UTF8DirReaderFeature(features.Feature):
43
45
 
44
46
    def _probe(self):
45
47
        try:
52
54
    def feature_name(self):
53
55
        return 'bzrlib._readdir_pyx'
54
56
 
55
 
UTF8DirReaderFeature = _UTF8DirReaderFeature()
 
57
UTF8DirReaderFeature = features.ModuleAvailableFeature('bzrlib._readdir_pyx')
56
58
 
57
 
term_ios_feature = tests.ModuleAvailableFeature('termios')
 
59
term_ios_feature = features.ModuleAvailableFeature('termios')
58
60
 
59
61
 
60
62
def _already_unicode(s):
95
97
    return scenarios
96
98
 
97
99
 
98
 
def load_tests(basic_tests, module, loader):
99
 
    suite = loader.suiteClass()
100
 
    dir_reader_tests, remaining_tests = tests.split_suite_by_condition(
101
 
        basic_tests, tests.condition_isinstance(TestDirReader))
102
 
    tests.multiply_tests(dir_reader_tests, dir_reader_scenarios(), suite)
103
 
    suite.addTest(remaining_tests)
104
 
    return suite
 
100
load_tests = load_tests_apply_scenarios
105
101
 
106
102
 
107
103
class TestContainsWhitespace(tests.TestCase):
108
104
 
109
105
    def test_contains_whitespace(self):
110
 
        self.failUnless(osutils.contains_whitespace(u' '))
111
 
        self.failUnless(osutils.contains_whitespace(u'hello there'))
112
 
        self.failUnless(osutils.contains_whitespace(u'hellothere\n'))
113
 
        self.failUnless(osutils.contains_whitespace(u'hello\nthere'))
114
 
        self.failUnless(osutils.contains_whitespace(u'hello\rthere'))
115
 
        self.failUnless(osutils.contains_whitespace(u'hello\tthere'))
 
106
        self.assertTrue(osutils.contains_whitespace(u' '))
 
107
        self.assertTrue(osutils.contains_whitespace(u'hello there'))
 
108
        self.assertTrue(osutils.contains_whitespace(u'hellothere\n'))
 
109
        self.assertTrue(osutils.contains_whitespace(u'hello\nthere'))
 
110
        self.assertTrue(osutils.contains_whitespace(u'hello\rthere'))
 
111
        self.assertTrue(osutils.contains_whitespace(u'hello\tthere'))
116
112
 
117
113
        # \xa0 is "Non-breaking-space" which on some python locales thinks it
118
114
        # is whitespace, but we do not.
119
 
        self.failIf(osutils.contains_whitespace(u''))
120
 
        self.failIf(osutils.contains_whitespace(u'hellothere'))
121
 
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
 
115
        self.assertFalse(osutils.contains_whitespace(u''))
 
116
        self.assertFalse(osutils.contains_whitespace(u'hellothere'))
 
117
        self.assertFalse(osutils.contains_whitespace(u'hello\xa0there'))
122
118
 
123
119
 
124
120
class TestRename(tests.TestCaseInTempDir):
138
134
        # This should work everywhere
139
135
        self.create_file('a', 'something in a\n')
140
136
        self._fancy_rename('a', 'b')
141
 
        self.failIfExists('a')
142
 
        self.failUnlessExists('b')
 
137
        self.assertPathDoesNotExist('a')
 
138
        self.assertPathExists('b')
143
139
        self.check_file_contents('b', 'something in a\n')
144
140
 
145
141
        self.create_file('a', 'new something in a\n')
152
148
        self.create_file('target', 'data in target\n')
153
149
        self.assertRaises((IOError, OSError), self._fancy_rename,
154
150
                          'missingsource', 'target')
155
 
        self.failUnlessExists('target')
 
151
        self.assertPathExists('target')
156
152
        self.check_file_contents('target', 'data in target\n')
157
153
 
158
154
    def test_fancy_rename_fails_if_source_and_target_missing(self):
163
159
        # Rename should be semi-atomic on all platforms
164
160
        self.create_file('a', 'something in a\n')
165
161
        osutils.rename('a', 'b')
166
 
        self.failIfExists('a')
167
 
        self.failUnlessExists('b')
 
162
        self.assertPathDoesNotExist('a')
 
163
        self.assertPathExists('b')
168
164
        self.check_file_contents('b', 'something in a\n')
169
165
 
170
166
        self.create_file('a', 'new something in a\n')
184
180
        shape = sorted(os.listdir('.'))
185
181
        self.assertEquals(['A', 'B'], shape)
186
182
 
187
 
    def test_rename_error(self):
188
 
        # We wrap os.rename to make it give an error including the filenames
189
 
        # https://bugs.launchpad.net/bzr/+bug/491763
190
 
        err = self.assertRaises(OSError, osutils.rename,
191
 
            'nonexistent', 'target')
192
 
        self.assertContainsString(str(err), 'nonexistent')
193
 
 
194
183
 
195
184
class TestRandChars(tests.TestCase):
196
185
 
242
231
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
243
232
 
244
233
 
 
234
class TestLstat(tests.TestCaseInTempDir):
 
235
 
 
236
    def test_lstat_matches_fstat(self):
 
237
        # On Windows, lstat and fstat don't always agree, primarily in the
 
238
        # 'st_ino' and 'st_dev' fields. So we force them to be '0' in our
 
239
        # custom implementation.
 
240
        if sys.platform == 'win32':
 
241
            # We only have special lstat/fstat if we have the extension.
 
242
            # Without it, we may end up re-reading content when we don't have
 
243
            # to, but otherwise it doesn't effect correctness.
 
244
            self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
245
        f = open('test-file.txt', 'wb')
 
246
        self.addCleanup(f.close)
 
247
        f.write('some content\n')
 
248
        f.flush()
 
249
        self.assertEqualStat(osutils.fstat(f.fileno()),
 
250
                             osutils.lstat('test-file.txt'))
 
251
 
 
252
 
245
253
class TestRmTree(tests.TestCaseInTempDir):
246
254
 
247
255
    def test_rmtree(self):
259
267
 
260
268
        osutils.rmtree('dir')
261
269
 
262
 
        self.failIfExists('dir/file')
263
 
        self.failIfExists('dir')
 
270
        self.assertPathDoesNotExist('dir/file')
 
271
        self.assertPathDoesNotExist('dir')
264
272
 
265
273
 
266
274
class TestDeleteAny(tests.TestCaseInTempDir):
421
429
class TestLinks(tests.TestCaseInTempDir):
422
430
 
423
431
    def test_dereference_path(self):
424
 
        self.requireFeature(tests.SymlinkFeature)
 
432
        self.requireFeature(features.SymlinkFeature)
425
433
        cwd = osutils.realpath('.')
426
434
        os.mkdir('bar')
427
435
        bar_path = osutils.pathjoin(cwd, 'bar')
474
482
 
475
483
class TestCanonicalRelPath(tests.TestCaseInTempDir):
476
484
 
477
 
    _test_needs_features = [tests.CaseInsCasePresFilenameFeature]
 
485
    _test_needs_features = [features.CaseInsCasePresFilenameFeature]
478
486
 
479
487
    def test_canonical_relpath_simple(self):
480
488
        f = file('MixedCaseName', 'w')
481
489
        f.close()
482
490
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
483
 
        self.failUnlessEqual('work/MixedCaseName', actual)
 
491
        self.assertEqual('work/MixedCaseName', actual)
484
492
 
485
493
    def test_canonical_relpath_missing_tail(self):
486
494
        os.mkdir('MixedCaseParent')
487
495
        actual = osutils.canonical_relpath(self.test_base_dir,
488
496
                                           'mixedcaseparent/nochild')
489
 
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
 
497
        self.assertEqual('work/MixedCaseParent/nochild', actual)
490
498
 
491
499
 
492
500
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
868
876
        self.assertEqual('//HOST/path', osutils._win98_abspath('//HOST/path'))
869
877
        # relative path
870
878
        cwd = osutils.getcwd().rstrip('/')
871
 
        drive = osutils._nt_splitdrive(cwd)[0]
 
879
        drive = osutils.ntpath.splitdrive(cwd)[0]
872
880
        self.assertEqual(cwd+'/path', osutils._win98_abspath('path'))
873
881
        self.assertEqual(drive+'/path', osutils._win98_abspath('/path'))
874
882
        # unicode path
880
888
    """Test win32 functions that create files."""
881
889
 
882
890
    def test_getcwd(self):
883
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
891
        self.requireFeature(features.UnicodeFilenameFeature)
884
892
        os.mkdir(u'mu-\xb5')
885
893
        os.chdir(u'mu-\xb5')
886
894
        # TODO: jam 20060427 This will probably fail on Mac OSX because
916
924
        b.close()
917
925
 
918
926
        osutils._win32_rename('b', 'a')
919
 
        self.failUnlessExists('a')
920
 
        self.failIfExists('b')
 
927
        self.assertPathExists('a')
 
928
        self.assertPathDoesNotExist('b')
921
929
        self.assertFileEqual('baz\n', 'a')
922
930
 
923
931
    def test_rename_missing_file(self):
976
984
    """Test mac special functions that require directories."""
977
985
 
978
986
    def test_getcwd(self):
979
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
987
        self.requireFeature(features.UnicodeFilenameFeature)
980
988
        os.mkdir(u'B\xe5gfors')
981
989
        os.chdir(u'B\xe5gfors')
982
990
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
983
991
 
984
992
    def test_getcwd_nonnorm(self):
985
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
993
        self.requireFeature(features.UnicodeFilenameFeature)
986
994
        # Test that _mac_getcwd() will normalize this path
987
995
        os.mkdir(u'Ba\u030agfors')
988
996
        os.chdir(u'Ba\u030agfors')
1071
1079
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
1072
1080
 
1073
1081
    def test_walkdirs_os_error(self):
1074
 
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
 
1082
        # <https://bugs.launchpad.net/bzr/+bug/338653>
1075
1083
        # Pyrex readdir didn't raise useful messages if it had an error
1076
1084
        # reading the directory
1077
1085
        if sys.platform == 'win32':
1078
1086
            raise tests.TestNotApplicable(
1079
1087
                "readdir IOError not tested on win32")
 
1088
        self.requireFeature(features.not_running_as_root)
1080
1089
        os.mkdir("test-unreadable")
1081
1090
        os.chmod("test-unreadable", 0000)
1082
1091
        # must chmod it back so that it can be removed
1090
1099
        # Ensure the message contains the file name
1091
1100
        self.assertContainsRe(str(e), "\./test-unreadable")
1092
1101
 
 
1102
 
 
1103
    def test_walkdirs_encoding_error(self):
 
1104
        # <https://bugs.launchpad.net/bzr/+bug/488519>
 
1105
        # walkdirs didn't raise a useful message when the filenames
 
1106
        # are not using the filesystem's encoding
 
1107
 
 
1108
        # require a bytestring based filesystem
 
1109
        self.requireFeature(features.ByteStringNamedFilesystem)
 
1110
 
 
1111
        tree = [
 
1112
            '.bzr',
 
1113
            '0file',
 
1114
            '1dir/',
 
1115
            '1dir/0file',
 
1116
            '1dir/1dir/',
 
1117
            '1file'
 
1118
            ]
 
1119
 
 
1120
        self.build_tree(tree)
 
1121
 
 
1122
        # rename the 1file to a latin-1 filename
 
1123
        os.rename("./1file", "\xe8file")
 
1124
        if "\xe8file" not in os.listdir("."):
 
1125
            self.skip("Lack filesystem that preserves arbitrary bytes")
 
1126
 
 
1127
        self._save_platform_info()
 
1128
        win32utils.winver = None # Avoid the win32 detection code
 
1129
        osutils._fs_enc = 'UTF-8'
 
1130
 
 
1131
        # this should raise on error
 
1132
        def attempt():
 
1133
            for dirdetail, dirblock in osutils.walkdirs('.'):
 
1134
                pass
 
1135
 
 
1136
        self.assertRaises(errors.BadFilenameEncoding, attempt)
 
1137
 
1093
1138
    def test__walkdirs_utf8(self):
1094
1139
        tree = [
1095
1140
            '.bzr',
1162
1207
        self._save_platform_info()
1163
1208
        win32utils.winver = None # Avoid the win32 detection code
1164
1209
        osutils._fs_enc = 'UTF-8'
1165
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1210
        self.assertDirReaderIs(
 
1211
            UTF8DirReaderFeature.module.UTF8DirReader)
1166
1212
 
1167
1213
    def test_force_walkdirs_utf8_fs_ascii(self):
1168
1214
        self.requireFeature(UTF8DirReaderFeature)
1169
1215
        self._save_platform_info()
1170
1216
        win32utils.winver = None # Avoid the win32 detection code
1171
1217
        osutils._fs_enc = 'US-ASCII'
1172
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1218
        self.assertDirReaderIs(
 
1219
            UTF8DirReaderFeature.module.UTF8DirReader)
1173
1220
 
1174
1221
    def test_force_walkdirs_utf8_fs_ANSI(self):
1175
1222
        self.requireFeature(UTF8DirReaderFeature)
1176
1223
        self._save_platform_info()
1177
1224
        win32utils.winver = None # Avoid the win32 detection code
1178
1225
        osutils._fs_enc = 'ANSI_X3.4-1968'
1179
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1226
        self.assertDirReaderIs(
 
1227
            UTF8DirReaderFeature.module.UTF8DirReader)
1180
1228
 
1181
1229
    def test_force_walkdirs_utf8_fs_latin1(self):
1182
1230
        self._save_platform_info()
1200
1248
 
1201
1249
    def test_unicode_walkdirs(self):
1202
1250
        """Walkdirs should always return unicode paths."""
1203
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1251
        self.requireFeature(features.UnicodeFilenameFeature)
1204
1252
        name0 = u'0file-\xb6'
1205
1253
        name1 = u'1dir-\u062c\u0648'
1206
1254
        name2 = u'2file-\u0633'
1243
1291
 
1244
1292
        The abspath portion might be in unicode or utf-8
1245
1293
        """
1246
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1294
        self.requireFeature(features.UnicodeFilenameFeature)
1247
1295
        name0 = u'0file-\xb6'
1248
1296
        name1 = u'1dir-\u062c\u0648'
1249
1297
        name2 = u'2file-\u0633'
1304
1352
 
1305
1353
        The abspath portion should be in unicode
1306
1354
        """
1307
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1355
        self.requireFeature(features.UnicodeFilenameFeature)
1308
1356
        # Use the unicode reader. TODO: split into driver-and-driven unit
1309
1357
        # tests.
1310
1358
        self._save_platform_info()
1351
1399
 
1352
1400
    def test__walkdirs_utf8_win32readdir(self):
1353
1401
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1354
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1402
        self.requireFeature(features.UnicodeFilenameFeature)
1355
1403
        from bzrlib._walkdirs_win32 import Win32ReadDir
1356
1404
        self._save_platform_info()
1357
1405
        osutils._selected_dir_reader = Win32ReadDir()
1408
1456
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1409
1457
        """make sure our Stat values are valid"""
1410
1458
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1411
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1459
        self.requireFeature(features.UnicodeFilenameFeature)
1412
1460
        from bzrlib._walkdirs_win32 import Win32ReadDir
1413
1461
        name0u = u'0file-\xb6'
1414
1462
        name0 = name0u.encode('utf8')
1432
1480
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1433
1481
        """make sure our Stat values are valid"""
1434
1482
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1435
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1483
        self.requireFeature(features.UnicodeFilenameFeature)
1436
1484
        from bzrlib._walkdirs_win32 import Win32ReadDir
1437
1485
        name0u = u'0dir-\u062c\u0648'
1438
1486
        name0 = name0u.encode('utf8')
1538
1586
        self.assertEqual(['c'], os.listdir('target/b'))
1539
1587
 
1540
1588
    def test_copy_tree_symlinks(self):
1541
 
        self.requireFeature(tests.SymlinkFeature)
 
1589
        self.requireFeature(features.SymlinkFeature)
1542
1590
        self.build_tree(['source/'])
1543
1591
        os.symlink('a/generic/path', 'source/lnk')
1544
1592
        osutils.copy_tree('source', 'target')
1569
1617
                          ('d', 'source/b', 'target/b'),
1570
1618
                          ('f', 'source/b/c', 'target/b/c'),
1571
1619
                         ], processed_files)
1572
 
        self.failIfExists('target')
 
1620
        self.assertPathDoesNotExist('target')
1573
1621
        if osutils.has_symlinks():
1574
1622
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
1575
1623
 
1621
1669
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', None)
1622
1670
        self.assertEqual('foo', old)
1623
1671
        self.assertEqual(None, os.environ.get('BZR_TEST_ENV_VAR'))
1624
 
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
 
1672
        self.assertFalse('BZR_TEST_ENV_VAR' in os.environ)
1625
1673
 
1626
1674
 
1627
1675
class TestSizeShaFile(tests.TestCaseInTempDir):
1678
1726
 
1679
1727
class TestReCompile(tests.TestCase):
1680
1728
 
 
1729
    def _deprecated_re_compile_checked(self, *args, **kwargs):
 
1730
        return self.applyDeprecated(symbol_versioning.deprecated_in((2, 2, 0)),
 
1731
            osutils.re_compile_checked, *args, **kwargs)
 
1732
 
1681
1733
    def test_re_compile_checked(self):
1682
 
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
 
1734
        r = self._deprecated_re_compile_checked(r'A*', re.IGNORECASE)
1683
1735
        self.assertTrue(r.match('aaaa'))
1684
1736
        self.assertTrue(r.match('aAaA'))
1685
1737
 
1686
1738
    def test_re_compile_checked_error(self):
1687
1739
        # like https://bugs.launchpad.net/bzr/+bug/251352
 
1740
 
 
1741
        # Due to possible test isolation error, re.compile is not lazy at
 
1742
        # this point. We re-install lazy compile.
 
1743
        lazy_regex.install_lazy_compile()
1688
1744
        err = self.assertRaises(
1689
1745
            errors.BzrCommandError,
1690
 
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
 
1746
            self._deprecated_re_compile_checked, '*', re.IGNORECASE, 'test case')
1691
1747
        self.assertEqual(
1692
 
            "Invalid regular expression in test case: '*': "
1693
 
            "nothing to repeat",
 
1748
            'Invalid regular expression in test case: '
 
1749
            '"*" nothing to repeat',
1694
1750
            str(err))
1695
1751
 
1696
1752
 
1697
1753
class TestDirReader(tests.TestCaseInTempDir):
1698
1754
 
 
1755
    scenarios = dir_reader_scenarios()
 
1756
 
1699
1757
    # Set by load_tests
1700
1758
    _dir_reader_class = None
1701
1759
    _native_to_unicode = None
1801
1859
        return filtered_dirblocks
1802
1860
 
1803
1861
    def test_walk_unicode_tree(self):
1804
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1862
        self.requireFeature(features.UnicodeFilenameFeature)
1805
1863
        tree, expected_dirblocks = self._get_unicode_tree()
1806
1864
        self.build_tree(tree)
1807
1865
        result = list(osutils._walkdirs_utf8('.'))
1808
1866
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1809
1867
 
1810
1868
    def test_symlink(self):
1811
 
        self.requireFeature(tests.SymlinkFeature)
1812
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1869
        self.requireFeature(features.SymlinkFeature)
 
1870
        self.requireFeature(features.UnicodeFilenameFeature)
1813
1871
        target = u'target\N{Euro Sign}'
1814
1872
        link_name = u'l\N{Euro Sign}nk'
1815
1873
        os.symlink(target, link_name)
1833
1891
    But prior python versions failed to properly encode the passed unicode
1834
1892
    string.
1835
1893
    """
1836
 
    _test_needs_features = [tests.SymlinkFeature, tests.UnicodeFilenameFeature]
 
1894
    _test_needs_features = [features.SymlinkFeature, features.UnicodeFilenameFeature]
1837
1895
 
1838
1896
    def setUp(self):
1839
1897
        super(tests.TestCaseInTempDir, self).setUp()
1842
1900
        os.symlink(self.target, self.link)
1843
1901
 
1844
1902
    def test_os_readlink_link_encoding(self):
1845
 
        if sys.version_info < (2, 6):
1846
 
            self.assertRaises(UnicodeEncodeError, os.readlink, self.link)
1847
 
        else:
1848
 
            self.assertEquals(self.target,  os.readlink(self.link))
 
1903
        self.assertEquals(self.target,  os.readlink(self.link))
1849
1904
 
1850
1905
    def test_os_readlink_link_decoding(self):
1851
1906
        self.assertEquals(self.target.encode(osutils._fs_enc),
1863
1918
        self.assertIsInstance(concurrency, int)
1864
1919
 
1865
1920
    def test_local_concurrency_environment_variable(self):
1866
 
        os.environ['BZR_CONCURRENCY'] = '2'
 
1921
        self.overrideEnv('BZR_CONCURRENCY', '2')
1867
1922
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
1868
 
        os.environ['BZR_CONCURRENCY'] = '3'
 
1923
        self.overrideEnv('BZR_CONCURRENCY', '3')
1869
1924
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
1870
 
        os.environ['BZR_CONCURRENCY'] = 'foo'
 
1925
        self.overrideEnv('BZR_CONCURRENCY', 'foo')
1871
1926
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
1872
1927
 
1873
1928
    def test_option_concurrency(self):
1874
 
        os.environ['BZR_CONCURRENCY'] = '1'
 
1929
        self.overrideEnv('BZR_CONCURRENCY', '1')
1875
1930
        self.run_bzr('rocks --concurrency 42')
1876
 
        # Command line overrides envrionment variable
 
1931
        # Command line overrides environment variable
1877
1932
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
1878
1933
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
1879
1934
 
1917
1972
 
1918
1973
class TestTerminalWidth(tests.TestCase):
1919
1974
 
 
1975
    def setUp(self):
 
1976
        tests.TestCase.setUp(self)
 
1977
        self._orig_terminal_size_state = osutils._terminal_size_state
 
1978
        self._orig_first_terminal_size = osutils._first_terminal_size
 
1979
        self.addCleanup(self.restore_osutils_globals)
 
1980
        osutils._terminal_size_state = 'no_data'
 
1981
        osutils._first_terminal_size = None
 
1982
 
 
1983
    def restore_osutils_globals(self):
 
1984
        osutils._terminal_size_state = self._orig_terminal_size_state
 
1985
        osutils._first_terminal_size = self._orig_first_terminal_size
 
1986
 
1920
1987
    def replace_stdout(self, new):
1921
1988
        self.overrideAttr(sys, 'stdout', new)
1922
1989
 
1937
2004
    def test_defaults_to_BZR_COLUMNS(self):
1938
2005
        # BZR_COLUMNS is set by the test framework
1939
2006
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
1940
 
        os.environ['BZR_COLUMNS'] = '12'
 
2007
        self.overrideEnv('BZR_COLUMNS', '12')
1941
2008
        self.assertEqual(12, osutils.terminal_width())
1942
2009
 
 
2010
    def test_BZR_COLUMNS_0_no_limit(self):
 
2011
        self.overrideEnv('BZR_COLUMNS', '0')
 
2012
        self.assertEqual(None, osutils.terminal_width())
 
2013
 
1943
2014
    def test_falls_back_to_COLUMNS(self):
1944
 
        del os.environ['BZR_COLUMNS']
 
2015
        self.overrideEnv('BZR_COLUMNS', None)
1945
2016
        self.assertNotEqual('42', os.environ['COLUMNS'])
1946
2017
        self.set_fake_tty()
1947
 
        os.environ['COLUMNS'] = '42'
 
2018
        self.overrideEnv('COLUMNS', '42')
1948
2019
        self.assertEqual(42, osutils.terminal_width())
1949
2020
 
1950
2021
    def test_tty_default_without_columns(self):
1951
 
        del os.environ['BZR_COLUMNS']
1952
 
        del os.environ['COLUMNS']
 
2022
        self.overrideEnv('BZR_COLUMNS', None)
 
2023
        self.overrideEnv('COLUMNS', None)
1953
2024
 
1954
2025
        def terminal_size(w, h):
1955
2026
            return 42, 42
1962
2033
        self.assertEqual(42, osutils.terminal_width())
1963
2034
 
1964
2035
    def test_non_tty_default_without_columns(self):
1965
 
        del os.environ['BZR_COLUMNS']
1966
 
        del os.environ['COLUMNS']
 
2036
        self.overrideEnv('BZR_COLUMNS', None)
 
2037
        self.overrideEnv('COLUMNS', None)
1967
2038
        self.replace_stdout(None)
1968
2039
        self.assertEqual(None, osutils.terminal_width())
1969
2040
 
1979
2050
        else:
1980
2051
            self.overrideAttr(termios, 'TIOCGWINSZ')
1981
2052
            del termios.TIOCGWINSZ
1982
 
        del os.environ['BZR_COLUMNS']
1983
 
        del os.environ['COLUMNS']
 
2053
        self.overrideEnv('BZR_COLUMNS', None)
 
2054
        self.overrideEnv('COLUMNS', None)
1984
2055
        # Whatever the result is, if we don't raise an exception, it's ok.
1985
2056
        osutils.terminal_width()
1986
2057
 
 
2058
 
1987
2059
class TestCreationOps(tests.TestCaseInTempDir):
1988
2060
    _test_needs_features = [features.chown_feature]
1989
2061
 
2018
2090
        self.assertEquals(self.path, 'test_file')
2019
2091
        self.assertEquals(self.uid, s.st_uid)
2020
2092
        self.assertEquals(self.gid, s.st_gid)
 
2093
 
 
2094
 
 
2095
class TestGetuserUnicode(tests.TestCase):
 
2096
 
 
2097
    def test_ascii_user(self):
 
2098
        self.overrideEnv('LOGNAME', 'jrandom')
 
2099
        self.assertEqual(u'jrandom', osutils.getuser_unicode())
 
2100
 
 
2101
    def test_unicode_user(self):
 
2102
        ue = osutils.get_user_encoding()
 
2103
        uni_val, env_val = tests.probe_unicode_in_user_encoding()
 
2104
        if uni_val is None:
 
2105
            raise tests.TestSkipped(
 
2106
                'Cannot find a unicode character that works in encoding %s'
 
2107
                % (osutils.get_user_encoding(),))
 
2108
        uni_username = u'jrandom' + uni_val
 
2109
        encoded_username = uni_username.encode(ue)
 
2110
        self.overrideEnv('LOGNAME', encoded_username)
 
2111
        self.assertEqual(uni_username, osutils.getuser_unicode())
 
2112
        self.overrideEnv('LOGNAME', u'jrandom\xb6'.encode(ue))
 
2113
        self.assertEqual(u'jrandom\xb6', osutils.getuser_unicode())
 
2114
 
 
2115
    def test_no_username_bug_660174(self):
 
2116
        self.requireFeature(features.win32_feature)
 
2117
        for name in ('LOGNAME', 'USER', 'LNAME', 'USERNAME'):
 
2118
            self.overrideEnv(name, None)
 
2119
        self.assertEqual(u'UNKNOWN', osutils.getuser_unicode())
 
2120
 
 
2121
 
 
2122
class TestBackupNames(tests.TestCase):
 
2123
 
 
2124
    def setUp(self):
 
2125
        super(TestBackupNames, self).setUp()
 
2126
        self.backups = []
 
2127
 
 
2128
    def backup_exists(self, name):
 
2129
        return name in self.backups
 
2130
 
 
2131
    def available_backup_name(self, name):
 
2132
        backup_name = osutils.available_backup_name(name, self.backup_exists)
 
2133
        self.backups.append(backup_name)
 
2134
        return backup_name
 
2135
 
 
2136
    def assertBackupName(self, expected, name):
 
2137
        self.assertEqual(expected, self.available_backup_name(name))
 
2138
 
 
2139
    def test_empty(self):
 
2140
        self.assertBackupName('file.~1~', 'file')
 
2141
 
 
2142
    def test_existing(self):
 
2143
        self.available_backup_name('file')
 
2144
        self.available_backup_name('file')
 
2145
        self.assertBackupName('file.~3~', 'file')
 
2146
        # Empty slots are found, this is not a strict requirement and may be
 
2147
        # revisited if we test against all implementations.
 
2148
        self.backups.remove('file.~2~')
 
2149
        self.assertBackupName('file.~2~', 'file')
 
2150
 
 
2151
 
 
2152
class TestFindExecutableInPath(tests.TestCase):
 
2153
 
 
2154
    def test_windows(self):
 
2155
        if sys.platform != 'win32':
 
2156
            raise tests.TestSkipped('test requires win32')
 
2157
        self.assertTrue(osutils.find_executable_on_path('explorer') is not None)
 
2158
        self.assertTrue(
 
2159
            osutils.find_executable_on_path('explorer.exe') is not None)
 
2160
        self.assertTrue(
 
2161
            osutils.find_executable_on_path('EXPLORER.EXE') is not None)
 
2162
        self.assertTrue(
 
2163
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
 
2164
        self.assertTrue(osutils.find_executable_on_path('file.txt') is None)
 
2165
 
 
2166
    def test_other(self):
 
2167
        if sys.platform == 'win32':
 
2168
            raise tests.TestSkipped('test requires non-win32')
 
2169
        self.assertTrue(osutils.find_executable_on_path('sh') is not None)
 
2170
        self.assertTrue(
 
2171
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)