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Viewing changes to bzrlib/tests/test_osutils.py

  • Committer: Martin Pool
  • Date: 2010-02-25 06:17:27 UTC
  • mfrom: (5055 +trunk)
  • mto: This revision was merged to the branch mainline in revision 5057.
  • Revision ID: mbp@sourcefrog.net-20100225061727-4sd9lt0qmdc6087t
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bzrlib/tests/test_osutils.py
1
 
# Copyright (C) 2005-2011 Canonical Ltd
 
1
# Copyright (C) 2005-2010 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
24
25
import sys
25
26
import time
26
27
 
27
28
from bzrlib import (
28
29
    errors,
29
 
    lazy_regex,
30
30
    osutils,
31
 
    symbol_versioning,
32
31
    tests,
33
32
    trace,
34
33
    win32utils,
35
34
    )
36
35
from bzrlib.tests import (
37
 
    features,
38
36
    file_utils,
39
37
    test__walkdirs_win32,
40
38
    )
41
 
from bzrlib.tests.scenarios import load_tests_apply_scenarios
42
 
 
43
 
 
44
 
class _UTF8DirReaderFeature(features.Feature):
 
39
 
 
40
 
 
41
class _UTF8DirReaderFeature(tests.Feature):
45
42
 
46
43
    def _probe(self):
47
44
        try:
54
51
    def feature_name(self):
55
52
        return 'bzrlib._readdir_pyx'
56
53
 
57
 
UTF8DirReaderFeature = features.ModuleAvailableFeature('bzrlib._readdir_pyx')
 
54
UTF8DirReaderFeature = _UTF8DirReaderFeature()
58
55
 
59
 
term_ios_feature = features.ModuleAvailableFeature('termios')
 
56
term_ios_feature = tests.ModuleAvailableFeature('termios')
60
57
 
61
58
 
62
59
def _already_unicode(s):
97
94
    return scenarios
98
95
 
99
96
 
100
 
load_tests = load_tests_apply_scenarios
 
97
def load_tests(basic_tests, module, loader):
 
98
    suite = loader.suiteClass()
 
99
    dir_reader_tests, remaining_tests = tests.split_suite_by_condition(
 
100
        basic_tests, tests.condition_isinstance(TestDirReader))
 
101
    tests.multiply_tests(dir_reader_tests, dir_reader_scenarios(), suite)
 
102
    suite.addTest(remaining_tests)
 
103
    return suite
101
104
 
102
105
 
103
106
class TestContainsWhitespace(tests.TestCase):
104
107
 
105
108
    def test_contains_whitespace(self):
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'))
 
109
        self.failUnless(osutils.contains_whitespace(u' '))
 
110
        self.failUnless(osutils.contains_whitespace(u'hello there'))
 
111
        self.failUnless(osutils.contains_whitespace(u'hellothere\n'))
 
112
        self.failUnless(osutils.contains_whitespace(u'hello\nthere'))
 
113
        self.failUnless(osutils.contains_whitespace(u'hello\rthere'))
 
114
        self.failUnless(osutils.contains_whitespace(u'hello\tthere'))
112
115
 
113
116
        # \xa0 is "Non-breaking-space" which on some python locales thinks it
114
117
        # is whitespace, but we do not.
115
 
        self.assertFalse(osutils.contains_whitespace(u''))
116
 
        self.assertFalse(osutils.contains_whitespace(u'hellothere'))
117
 
        self.assertFalse(osutils.contains_whitespace(u'hello\xa0there'))
 
118
        self.failIf(osutils.contains_whitespace(u''))
 
119
        self.failIf(osutils.contains_whitespace(u'hellothere'))
 
120
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
118
121
 
119
122
 
120
123
class TestRename(tests.TestCaseInTempDir):
134
137
        # This should work everywhere
135
138
        self.create_file('a', 'something in a\n')
136
139
        self._fancy_rename('a', 'b')
137
 
        self.assertPathDoesNotExist('a')
138
 
        self.assertPathExists('b')
 
140
        self.failIfExists('a')
 
141
        self.failUnlessExists('b')
139
142
        self.check_file_contents('b', 'something in a\n')
140
143
 
141
144
        self.create_file('a', 'new something in a\n')
148
151
        self.create_file('target', 'data in target\n')
149
152
        self.assertRaises((IOError, OSError), self._fancy_rename,
150
153
                          'missingsource', 'target')
151
 
        self.assertPathExists('target')
 
154
        self.failUnlessExists('target')
152
155
        self.check_file_contents('target', 'data in target\n')
153
156
 
154
157
    def test_fancy_rename_fails_if_source_and_target_missing(self):
159
162
        # Rename should be semi-atomic on all platforms
160
163
        self.create_file('a', 'something in a\n')
161
164
        osutils.rename('a', 'b')
162
 
        self.assertPathDoesNotExist('a')
163
 
        self.assertPathExists('b')
 
165
        self.failIfExists('a')
 
166
        self.failUnlessExists('b')
164
167
        self.check_file_contents('b', 'something in a\n')
165
168
 
166
169
        self.create_file('a', 'new something in a\n')
231
234
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
232
235
 
233
236
 
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
 
 
253
237
class TestRmTree(tests.TestCaseInTempDir):
254
238
 
255
239
    def test_rmtree(self):
267
251
 
268
252
        osutils.rmtree('dir')
269
253
 
270
 
        self.assertPathDoesNotExist('dir/file')
271
 
        self.assertPathDoesNotExist('dir')
 
254
        self.failIfExists('dir/file')
 
255
        self.failIfExists('dir')
272
256
 
273
257
 
274
258
class TestDeleteAny(tests.TestCaseInTempDir):
429
413
class TestLinks(tests.TestCaseInTempDir):
430
414
 
431
415
    def test_dereference_path(self):
432
 
        self.requireFeature(features.SymlinkFeature)
 
416
        self.requireFeature(tests.SymlinkFeature)
433
417
        cwd = osutils.realpath('.')
434
418
        os.mkdir('bar')
435
419
        bar_path = osutils.pathjoin(cwd, 'bar')
482
466
 
483
467
class TestCanonicalRelPath(tests.TestCaseInTempDir):
484
468
 
485
 
    _test_needs_features = [features.CaseInsCasePresFilenameFeature]
 
469
    _test_needs_features = [tests.CaseInsCasePresFilenameFeature]
486
470
 
487
471
    def test_canonical_relpath_simple(self):
488
472
        f = file('MixedCaseName', 'w')
489
473
        f.close()
490
474
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
491
 
        self.assertEqual('work/MixedCaseName', actual)
 
475
        self.failUnlessEqual('work/MixedCaseName', actual)
492
476
 
493
477
    def test_canonical_relpath_missing_tail(self):
494
478
        os.mkdir('MixedCaseParent')
495
479
        actual = osutils.canonical_relpath(self.test_base_dir,
496
480
                                           'mixedcaseparent/nochild')
497
 
        self.assertEqual('work/MixedCaseParent/nochild', actual)
 
481
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
498
482
 
499
483
 
500
484
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
876
860
        self.assertEqual('//HOST/path', osutils._win98_abspath('//HOST/path'))
877
861
        # relative path
878
862
        cwd = osutils.getcwd().rstrip('/')
879
 
        drive = osutils.ntpath.splitdrive(cwd)[0]
 
863
        drive = osutils._nt_splitdrive(cwd)[0]
880
864
        self.assertEqual(cwd+'/path', osutils._win98_abspath('path'))
881
865
        self.assertEqual(drive+'/path', osutils._win98_abspath('/path'))
882
866
        # unicode path
888
872
    """Test win32 functions that create files."""
889
873
 
890
874
    def test_getcwd(self):
891
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
875
        self.requireFeature(tests.UnicodeFilenameFeature)
892
876
        os.mkdir(u'mu-\xb5')
893
877
        os.chdir(u'mu-\xb5')
894
878
        # TODO: jam 20060427 This will probably fail on Mac OSX because
924
908
        b.close()
925
909
 
926
910
        osutils._win32_rename('b', 'a')
927
 
        self.assertPathExists('a')
928
 
        self.assertPathDoesNotExist('b')
 
911
        self.failUnlessExists('a')
 
912
        self.failIfExists('b')
929
913
        self.assertFileEqual('baz\n', 'a')
930
914
 
931
915
    def test_rename_missing_file(self):
984
968
    """Test mac special functions that require directories."""
985
969
 
986
970
    def test_getcwd(self):
987
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
971
        self.requireFeature(tests.UnicodeFilenameFeature)
988
972
        os.mkdir(u'B\xe5gfors')
989
973
        os.chdir(u'B\xe5gfors')
990
974
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
991
975
 
992
976
    def test_getcwd_nonnorm(self):
993
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
977
        self.requireFeature(tests.UnicodeFilenameFeature)
994
978
        # Test that _mac_getcwd() will normalize this path
995
979
        os.mkdir(u'Ba\u030agfors')
996
980
        os.chdir(u'Ba\u030agfors')
1079
1063
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
1080
1064
 
1081
1065
    def test_walkdirs_os_error(self):
1082
 
        # <https://bugs.launchpad.net/bzr/+bug/338653>
 
1066
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
1083
1067
        # Pyrex readdir didn't raise useful messages if it had an error
1084
1068
        # reading the directory
1085
1069
        if sys.platform == 'win32':
1086
1070
            raise tests.TestNotApplicable(
1087
1071
                "readdir IOError not tested on win32")
1088
 
        self.requireFeature(features.not_running_as_root)
1089
1072
        os.mkdir("test-unreadable")
1090
1073
        os.chmod("test-unreadable", 0000)
1091
1074
        # must chmod it back so that it can be removed
1099
1082
        # Ensure the message contains the file name
1100
1083
        self.assertContainsRe(str(e), "\./test-unreadable")
1101
1084
 
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
 
 
1138
1085
    def test__walkdirs_utf8(self):
1139
1086
        tree = [
1140
1087
            '.bzr',
1207
1154
        self._save_platform_info()
1208
1155
        win32utils.winver = None # Avoid the win32 detection code
1209
1156
        osutils._fs_enc = 'UTF-8'
1210
 
        self.assertDirReaderIs(
1211
 
            UTF8DirReaderFeature.module.UTF8DirReader)
 
1157
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
1212
1158
 
1213
1159
    def test_force_walkdirs_utf8_fs_ascii(self):
1214
1160
        self.requireFeature(UTF8DirReaderFeature)
1215
1161
        self._save_platform_info()
1216
1162
        win32utils.winver = None # Avoid the win32 detection code
1217
1163
        osutils._fs_enc = 'US-ASCII'
1218
 
        self.assertDirReaderIs(
1219
 
            UTF8DirReaderFeature.module.UTF8DirReader)
 
1164
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
1220
1165
 
1221
1166
    def test_force_walkdirs_utf8_fs_ANSI(self):
1222
1167
        self.requireFeature(UTF8DirReaderFeature)
1223
1168
        self._save_platform_info()
1224
1169
        win32utils.winver = None # Avoid the win32 detection code
1225
1170
        osutils._fs_enc = 'ANSI_X3.4-1968'
1226
 
        self.assertDirReaderIs(
1227
 
            UTF8DirReaderFeature.module.UTF8DirReader)
 
1171
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
1228
1172
 
1229
1173
    def test_force_walkdirs_utf8_fs_latin1(self):
1230
1174
        self._save_platform_info()
1248
1192
 
1249
1193
    def test_unicode_walkdirs(self):
1250
1194
        """Walkdirs should always return unicode paths."""
1251
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
1195
        self.requireFeature(tests.UnicodeFilenameFeature)
1252
1196
        name0 = u'0file-\xb6'
1253
1197
        name1 = u'1dir-\u062c\u0648'
1254
1198
        name2 = u'2file-\u0633'
1291
1235
 
1292
1236
        The abspath portion might be in unicode or utf-8
1293
1237
        """
1294
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
1238
        self.requireFeature(tests.UnicodeFilenameFeature)
1295
1239
        name0 = u'0file-\xb6'
1296
1240
        name1 = u'1dir-\u062c\u0648'
1297
1241
        name2 = u'2file-\u0633'
1352
1296
 
1353
1297
        The abspath portion should be in unicode
1354
1298
        """
1355
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
1299
        self.requireFeature(tests.UnicodeFilenameFeature)
1356
1300
        # Use the unicode reader. TODO: split into driver-and-driven unit
1357
1301
        # tests.
1358
1302
        self._save_platform_info()
1399
1343
 
1400
1344
    def test__walkdirs_utf8_win32readdir(self):
1401
1345
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1402
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
1346
        self.requireFeature(tests.UnicodeFilenameFeature)
1403
1347
        from bzrlib._walkdirs_win32 import Win32ReadDir
1404
1348
        self._save_platform_info()
1405
1349
        osutils._selected_dir_reader = Win32ReadDir()
1456
1400
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1457
1401
        """make sure our Stat values are valid"""
1458
1402
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1459
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
1403
        self.requireFeature(tests.UnicodeFilenameFeature)
1460
1404
        from bzrlib._walkdirs_win32 import Win32ReadDir
1461
1405
        name0u = u'0file-\xb6'
1462
1406
        name0 = name0u.encode('utf8')
1480
1424
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1481
1425
        """make sure our Stat values are valid"""
1482
1426
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1483
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
1427
        self.requireFeature(tests.UnicodeFilenameFeature)
1484
1428
        from bzrlib._walkdirs_win32 import Win32ReadDir
1485
1429
        name0u = u'0dir-\u062c\u0648'
1486
1430
        name0 = name0u.encode('utf8')
1586
1530
        self.assertEqual(['c'], os.listdir('target/b'))
1587
1531
 
1588
1532
    def test_copy_tree_symlinks(self):
1589
 
        self.requireFeature(features.SymlinkFeature)
 
1533
        self.requireFeature(tests.SymlinkFeature)
1590
1534
        self.build_tree(['source/'])
1591
1535
        os.symlink('a/generic/path', 'source/lnk')
1592
1536
        osutils.copy_tree('source', 'target')
1617
1561
                          ('d', 'source/b', 'target/b'),
1618
1562
                          ('f', 'source/b/c', 'target/b/c'),
1619
1563
                         ], processed_files)
1620
 
        self.assertPathDoesNotExist('target')
 
1564
        self.failIfExists('target')
1621
1565
        if osutils.has_symlinks():
1622
1566
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
1623
1567
 
1669
1613
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', None)
1670
1614
        self.assertEqual('foo', old)
1671
1615
        self.assertEqual(None, os.environ.get('BZR_TEST_ENV_VAR'))
1672
 
        self.assertFalse('BZR_TEST_ENV_VAR' in os.environ)
 
1616
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
1673
1617
 
1674
1618
 
1675
1619
class TestSizeShaFile(tests.TestCaseInTempDir):
1726
1670
 
1727
1671
class TestReCompile(tests.TestCase):
1728
1672
 
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
 
 
1733
1673
    def test_re_compile_checked(self):
1734
 
        r = self._deprecated_re_compile_checked(r'A*', re.IGNORECASE)
 
1674
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
1735
1675
        self.assertTrue(r.match('aaaa'))
1736
1676
        self.assertTrue(r.match('aAaA'))
1737
1677
 
1738
1678
    def test_re_compile_checked_error(self):
1739
1679
        # 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()
1744
1680
        err = self.assertRaises(
1745
1681
            errors.BzrCommandError,
1746
 
            self._deprecated_re_compile_checked, '*', re.IGNORECASE, 'test case')
 
1682
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
1747
1683
        self.assertEqual(
1748
 
            'Invalid regular expression in test case: '
1749
 
            '"*" nothing to repeat',
 
1684
            "Invalid regular expression in test case: '*': "
 
1685
            "nothing to repeat",
1750
1686
            str(err))
1751
1687
 
1752
1688
 
1753
1689
class TestDirReader(tests.TestCaseInTempDir):
1754
1690
 
1755
 
    scenarios = dir_reader_scenarios()
1756
 
 
1757
1691
    # Set by load_tests
1758
1692
    _dir_reader_class = None
1759
1693
    _native_to_unicode = None
1859
1793
        return filtered_dirblocks
1860
1794
 
1861
1795
    def test_walk_unicode_tree(self):
1862
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
1796
        self.requireFeature(tests.UnicodeFilenameFeature)
1863
1797
        tree, expected_dirblocks = self._get_unicode_tree()
1864
1798
        self.build_tree(tree)
1865
1799
        result = list(osutils._walkdirs_utf8('.'))
1866
1800
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1867
1801
 
1868
1802
    def test_symlink(self):
1869
 
        self.requireFeature(features.SymlinkFeature)
1870
 
        self.requireFeature(features.UnicodeFilenameFeature)
 
1803
        self.requireFeature(tests.SymlinkFeature)
 
1804
        self.requireFeature(tests.UnicodeFilenameFeature)
1871
1805
        target = u'target\N{Euro Sign}'
1872
1806
        link_name = u'l\N{Euro Sign}nk'
1873
1807
        os.symlink(target, link_name)
1891
1825
    But prior python versions failed to properly encode the passed unicode
1892
1826
    string.
1893
1827
    """
1894
 
    _test_needs_features = [features.SymlinkFeature, features.UnicodeFilenameFeature]
 
1828
    _test_needs_features = [tests.SymlinkFeature, tests.UnicodeFilenameFeature]
1895
1829
 
1896
1830
    def setUp(self):
1897
1831
        super(tests.TestCaseInTempDir, self).setUp()
1900
1834
        os.symlink(self.target, self.link)
1901
1835
 
1902
1836
    def test_os_readlink_link_encoding(self):
1903
 
        self.assertEquals(self.target,  os.readlink(self.link))
 
1837
        if sys.version_info < (2, 6):
 
1838
            self.assertRaises(UnicodeEncodeError, os.readlink, self.link)
 
1839
        else:
 
1840
            self.assertEquals(self.target,  os.readlink(self.link))
1904
1841
 
1905
1842
    def test_os_readlink_link_decoding(self):
1906
1843
        self.assertEquals(self.target.encode(osutils._fs_enc),
1918
1855
        self.assertIsInstance(concurrency, int)
1919
1856
 
1920
1857
    def test_local_concurrency_environment_variable(self):
1921
 
        self.overrideEnv('BZR_CONCURRENCY', '2')
 
1858
        os.environ['BZR_CONCURRENCY'] = '2'
1922
1859
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
1923
 
        self.overrideEnv('BZR_CONCURRENCY', '3')
 
1860
        os.environ['BZR_CONCURRENCY'] = '3'
1924
1861
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
1925
 
        self.overrideEnv('BZR_CONCURRENCY', 'foo')
 
1862
        os.environ['BZR_CONCURRENCY'] = 'foo'
1926
1863
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
1927
1864
 
1928
1865
    def test_option_concurrency(self):
1929
 
        self.overrideEnv('BZR_CONCURRENCY', '1')
 
1866
        os.environ['BZR_CONCURRENCY'] = '1'
1930
1867
        self.run_bzr('rocks --concurrency 42')
1931
 
        # Command line overrides environment variable
 
1868
        # Command line overrides envrionment variable
1932
1869
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
1933
1870
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
1934
1871
 
1972
1909
 
1973
1910
class TestTerminalWidth(tests.TestCase):
1974
1911
 
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
 
 
1987
1912
    def replace_stdout(self, new):
1988
1913
        self.overrideAttr(sys, 'stdout', new)
1989
1914
 
2004
1929
    def test_defaults_to_BZR_COLUMNS(self):
2005
1930
        # BZR_COLUMNS is set by the test framework
2006
1931
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
2007
 
        self.overrideEnv('BZR_COLUMNS', '12')
 
1932
        os.environ['BZR_COLUMNS'] = '12'
2008
1933
        self.assertEqual(12, osutils.terminal_width())
2009
1934
 
2010
 
    def test_BZR_COLUMNS_0_no_limit(self):
2011
 
        self.overrideEnv('BZR_COLUMNS', '0')
2012
 
        self.assertEqual(None, osutils.terminal_width())
2013
 
 
2014
1935
    def test_falls_back_to_COLUMNS(self):
2015
 
        self.overrideEnv('BZR_COLUMNS', None)
 
1936
        del os.environ['BZR_COLUMNS']
2016
1937
        self.assertNotEqual('42', os.environ['COLUMNS'])
2017
1938
        self.set_fake_tty()
2018
 
        self.overrideEnv('COLUMNS', '42')
 
1939
        os.environ['COLUMNS'] = '42'
2019
1940
        self.assertEqual(42, osutils.terminal_width())
2020
1941
 
2021
1942
    def test_tty_default_without_columns(self):
2022
 
        self.overrideEnv('BZR_COLUMNS', None)
2023
 
        self.overrideEnv('COLUMNS', None)
 
1943
        del os.environ['BZR_COLUMNS']
 
1944
        del os.environ['COLUMNS']
2024
1945
 
2025
1946
        def terminal_size(w, h):
2026
1947
            return 42, 42
2033
1954
        self.assertEqual(42, osutils.terminal_width())
2034
1955
 
2035
1956
    def test_non_tty_default_without_columns(self):
2036
 
        self.overrideEnv('BZR_COLUMNS', None)
2037
 
        self.overrideEnv('COLUMNS', None)
 
1957
        del os.environ['BZR_COLUMNS']
 
1958
        del os.environ['COLUMNS']
2038
1959
        self.replace_stdout(None)
2039
1960
        self.assertEqual(None, osutils.terminal_width())
2040
1961
 
2050
1971
        else:
2051
1972
            self.overrideAttr(termios, 'TIOCGWINSZ')
2052
1973
            del termios.TIOCGWINSZ
2053
 
        self.overrideEnv('BZR_COLUMNS', None)
2054
 
        self.overrideEnv('COLUMNS', None)
 
1974
        del os.environ['BZR_COLUMNS']
 
1975
        del os.environ['COLUMNS']
2055
1976
        # Whatever the result is, if we don't raise an exception, it's ok.
2056
1977
        osutils.terminal_width()
2057
 
 
2058
 
 
2059
 
class TestCreationOps(tests.TestCaseInTempDir):
2060
 
    _test_needs_features = [features.chown_feature]
2061
 
 
2062
 
    def setUp(self):
2063
 
        tests.TestCaseInTempDir.setUp(self)
2064
 
        self.overrideAttr(os, 'chown', self._dummy_chown)
2065
 
 
2066
 
        # params set by call to _dummy_chown
2067
 
        self.path = self.uid = self.gid = None
2068
 
 
2069
 
    def _dummy_chown(self, path, uid, gid):
2070
 
        self.path, self.uid, self.gid = path, uid, gid
2071
 
 
2072
 
    def test_copy_ownership_from_path(self):
2073
 
        """copy_ownership_from_path test with specified src."""
2074
 
        ownsrc = '/'
2075
 
        f = open('test_file', 'wt')
2076
 
        osutils.copy_ownership_from_path('test_file', ownsrc)
2077
 
 
2078
 
        s = os.stat(ownsrc)
2079
 
        self.assertEquals(self.path, 'test_file')
2080
 
        self.assertEquals(self.uid, s.st_uid)
2081
 
        self.assertEquals(self.gid, s.st_gid)
2082
 
 
2083
 
    def test_copy_ownership_nonesrc(self):
2084
 
        """copy_ownership_from_path test with src=None."""
2085
 
        f = open('test_file', 'wt')
2086
 
        # should use parent dir for permissions
2087
 
        osutils.copy_ownership_from_path('test_file')
2088
 
 
2089
 
        s = os.stat('..')
2090
 
        self.assertEquals(self.path, 'test_file')
2091
 
        self.assertEquals(self.uid, s.st_uid)
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)