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Viewing changes to bzrlib/tests/test_osutils.py

  • Committer: Andrew Bennetts
  • Date: 2009-11-25 07:27:43 UTC
  • mto: This revision was merged to the branch mainline in revision 4825.
  • Revision ID: andrew.bennetts@canonical.com-20091125072743-v6sv4m2mkt9iyslp
https://launchpad.net/bugs/426662
Terminate SSHSubprocesses when no refs to them are left, in case .close is never called.

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bzrlib/tests/test_osutils.py
1
 
# Copyright (C) 2005-2011 Canonical Ltd
 
1
# Copyright (C) 2005, 2006, 2007, 2008, 2009 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
39
 
43
40
 
44
41
class _UTF8DirReaderFeature(tests.Feature):
56
53
 
57
54
UTF8DirReaderFeature = _UTF8DirReaderFeature()
58
55
 
59
 
term_ios_feature = tests.ModuleAvailableFeature('termios')
60
 
 
61
56
 
62
57
def _already_unicode(s):
63
58
    return s
85
80
                          dict(_dir_reader_class=_readdir_pyx.UTF8DirReader,
86
81
                               _native_to_unicode=_utf8_to_unicode)))
87
82
 
88
 
    if test__walkdirs_win32.win32_readdir_feature.available():
 
83
    if test__walkdirs_win32.Win32ReadDirFeature.available():
89
84
        try:
90
85
            from bzrlib import _walkdirs_win32
91
86
            scenarios.append(
97
92
    return scenarios
98
93
 
99
94
 
100
 
load_tests = load_tests_apply_scenarios
 
95
def load_tests(basic_tests, module, loader):
 
96
    suite = loader.suiteClass()
 
97
    dir_reader_tests, remaining_tests = tests.split_suite_by_condition(
 
98
        basic_tests, tests.condition_isinstance(TestDirReader))
 
99
    tests.multiply_tests(dir_reader_tests, dir_reader_scenarios(), suite)
 
100
    suite.addTest(remaining_tests)
 
101
    return suite
101
102
 
102
103
 
103
104
class TestContainsWhitespace(tests.TestCase):
104
105
 
105
106
    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'))
 
107
        self.failUnless(osutils.contains_whitespace(u' '))
 
108
        self.failUnless(osutils.contains_whitespace(u'hello there'))
 
109
        self.failUnless(osutils.contains_whitespace(u'hellothere\n'))
 
110
        self.failUnless(osutils.contains_whitespace(u'hello\nthere'))
 
111
        self.failUnless(osutils.contains_whitespace(u'hello\rthere'))
 
112
        self.failUnless(osutils.contains_whitespace(u'hello\tthere'))
112
113
 
113
114
        # \xa0 is "Non-breaking-space" which on some python locales thinks it
114
115
        # 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'))
 
116
        self.failIf(osutils.contains_whitespace(u''))
 
117
        self.failIf(osutils.contains_whitespace(u'hellothere'))
 
118
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
118
119
 
119
120
 
120
121
class TestRename(tests.TestCaseInTempDir):
134
135
        # This should work everywhere
135
136
        self.create_file('a', 'something in a\n')
136
137
        self._fancy_rename('a', 'b')
137
 
        self.assertPathDoesNotExist('a')
138
 
        self.assertPathExists('b')
 
138
        self.failIfExists('a')
 
139
        self.failUnlessExists('b')
139
140
        self.check_file_contents('b', 'something in a\n')
140
141
 
141
142
        self.create_file('a', 'new something in a\n')
148
149
        self.create_file('target', 'data in target\n')
149
150
        self.assertRaises((IOError, OSError), self._fancy_rename,
150
151
                          'missingsource', 'target')
151
 
        self.assertPathExists('target')
 
152
        self.failUnlessExists('target')
152
153
        self.check_file_contents('target', 'data in target\n')
153
154
 
154
155
    def test_fancy_rename_fails_if_source_and_target_missing(self):
159
160
        # Rename should be semi-atomic on all platforms
160
161
        self.create_file('a', 'something in a\n')
161
162
        osutils.rename('a', 'b')
162
 
        self.assertPathDoesNotExist('a')
163
 
        self.assertPathExists('b')
 
163
        self.failIfExists('a')
 
164
        self.failUnlessExists('b')
164
165
        self.check_file_contents('b', 'something in a\n')
165
166
 
166
167
        self.create_file('a', 'new something in a\n')
231
232
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
232
233
 
233
234
 
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
235
class TestRmTree(tests.TestCaseInTempDir):
254
236
 
255
237
    def test_rmtree(self):
267
249
 
268
250
        osutils.rmtree('dir')
269
251
 
270
 
        self.assertPathDoesNotExist('dir/file')
271
 
        self.assertPathDoesNotExist('dir')
 
252
        self.failIfExists('dir/file')
 
253
        self.failIfExists('dir')
272
254
 
273
255
 
274
256
class TestDeleteAny(tests.TestCaseInTempDir):
325
307
        self.assertEqual("/", osutils.kind_marker(osutils._directory_kind))
326
308
        self.assertEqual("@", osutils.kind_marker("symlink"))
327
309
        self.assertEqual("+", osutils.kind_marker("tree-reference"))
328
 
        self.assertEqual("", osutils.kind_marker("fifo"))
329
 
        self.assertEqual("", osutils.kind_marker("socket"))
330
 
        self.assertEqual("", osutils.kind_marker("unknown"))
 
310
        self.assertRaises(errors.BzrError, osutils.kind_marker, "unknown")
331
311
 
332
312
 
333
313
class TestUmask(tests.TestCaseInTempDir):
398
378
        # Instead blackbox.test_locale should check for localized
399
379
        # dates once they do occur in output strings.
400
380
 
401
 
    def test_format_date_with_offset_in_original_timezone(self):
402
 
        self.assertEqual("Thu 1970-01-01 00:00:00 +0000",
403
 
            osutils.format_date_with_offset_in_original_timezone(0))
404
 
        self.assertEqual("Fri 1970-01-02 03:46:40 +0000",
405
 
            osutils.format_date_with_offset_in_original_timezone(100000))
406
 
        self.assertEqual("Fri 1970-01-02 05:46:40 +0200",
407
 
            osutils.format_date_with_offset_in_original_timezone(100000, 7200))
408
 
 
409
381
    def test_local_time_offset(self):
410
382
        """Test that local_time_offset() returns a sane value."""
411
383
        offset = osutils.local_time_offset()
488
460
        f = file('MixedCaseName', 'w')
489
461
        f.close()
490
462
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
491
 
        self.assertEqual('work/MixedCaseName', actual)
 
463
        self.failUnlessEqual('work/MixedCaseName', actual)
492
464
 
493
465
    def test_canonical_relpath_missing_tail(self):
494
466
        os.mkdir('MixedCaseParent')
495
467
        actual = osutils.canonical_relpath(self.test_base_dir,
496
468
                                           'mixedcaseparent/nochild')
497
 
        self.assertEqual('work/MixedCaseParent/nochild', actual)
 
469
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
498
470
 
499
471
 
500
472
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
876
848
        self.assertEqual('//HOST/path', osutils._win98_abspath('//HOST/path'))
877
849
        # relative path
878
850
        cwd = osutils.getcwd().rstrip('/')
879
 
        drive = osutils.ntpath.splitdrive(cwd)[0]
 
851
        drive = osutils._nt_splitdrive(cwd)[0]
880
852
        self.assertEqual(cwd+'/path', osutils._win98_abspath('path'))
881
853
        self.assertEqual(drive+'/path', osutils._win98_abspath('/path'))
882
854
        # unicode path
924
896
        b.close()
925
897
 
926
898
        osutils._win32_rename('b', 'a')
927
 
        self.assertPathExists('a')
928
 
        self.assertPathDoesNotExist('b')
 
899
        self.failUnlessExists('a')
 
900
        self.failIfExists('b')
929
901
        self.assertFileEqual('baz\n', 'a')
930
902
 
931
903
    def test_rename_missing_file(self):
1007
979
 
1008
980
    def test_osutils_binding(self):
1009
981
        from bzrlib.tests import test__chunks_to_lines
1010
 
        if test__chunks_to_lines.compiled_chunkstolines_feature.available():
 
982
        if test__chunks_to_lines.CompiledChunksToLinesFeature.available():
1011
983
            from bzrlib._chunks_to_lines_pyx import chunks_to_lines
1012
984
        else:
1013
985
            from bzrlib._chunks_to_lines_py import chunks_to_lines
1079
1051
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
1080
1052
 
1081
1053
    def test_walkdirs_os_error(self):
1082
 
        # <https://bugs.launchpad.net/bzr/+bug/338653>
 
1054
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
1083
1055
        # Pyrex readdir didn't raise useful messages if it had an error
1084
1056
        # reading the directory
1085
1057
        if sys.platform == 'win32':
1086
1058
            raise tests.TestNotApplicable(
1087
1059
                "readdir IOError not tested on win32")
1088
 
        self.requireFeature(features.not_running_as_root)
1089
1060
        os.mkdir("test-unreadable")
1090
1061
        os.chmod("test-unreadable", 0000)
1091
1062
        # must chmod it back so that it can be removed
1099
1070
        # Ensure the message contains the file name
1100
1071
        self.assertContainsRe(str(e), "\./test-unreadable")
1101
1072
 
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(tests.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
1073
    def test__walkdirs_utf8(self):
1139
1074
        tree = [
1140
1075
            '.bzr',
1190
1125
            dirblock[:] = new_dirblock
1191
1126
 
1192
1127
    def _save_platform_info(self):
1193
 
        self.overrideAttr(win32utils, 'winver')
1194
 
        self.overrideAttr(osutils, '_fs_enc')
1195
 
        self.overrideAttr(osutils, '_selected_dir_reader')
 
1128
        cur_winver = win32utils.winver
 
1129
        cur_fs_enc = osutils._fs_enc
 
1130
        cur_dir_reader = osutils._selected_dir_reader
 
1131
        def restore():
 
1132
            win32utils.winver = cur_winver
 
1133
            osutils._fs_enc = cur_fs_enc
 
1134
            osutils._selected_dir_reader = cur_dir_reader
 
1135
        self.addCleanup(restore)
1196
1136
 
1197
1137
    def assertDirReaderIs(self, expected):
1198
1138
        """Assert the right implementation for _walkdirs_utf8 is chosen."""
1231
1171
 
1232
1172
    def test_force_walkdirs_utf8_nt(self):
1233
1173
        # Disabled because the thunk of the whole walkdirs api is disabled.
1234
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1174
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1235
1175
        self._save_platform_info()
1236
1176
        win32utils.winver = 'Windows NT'
1237
1177
        from bzrlib._walkdirs_win32 import Win32ReadDir
1238
1178
        self.assertDirReaderIs(Win32ReadDir)
1239
1179
 
1240
1180
    def test_force_walkdirs_utf8_98(self):
1241
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1181
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1242
1182
        self._save_platform_info()
1243
1183
        win32utils.winver = 'Windows 98'
1244
1184
        self.assertDirReaderIs(osutils.UnicodeDirReader)
1395
1335
        self.assertEqual(expected_dirblocks, result)
1396
1336
 
1397
1337
    def test__walkdirs_utf8_win32readdir(self):
1398
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1338
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1399
1339
        self.requireFeature(tests.UnicodeFilenameFeature)
1400
1340
        from bzrlib._walkdirs_win32 import Win32ReadDir
1401
1341
        self._save_platform_info()
1452
1392
 
1453
1393
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1454
1394
        """make sure our Stat values are valid"""
1455
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1395
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1456
1396
        self.requireFeature(tests.UnicodeFilenameFeature)
1457
1397
        from bzrlib._walkdirs_win32 import Win32ReadDir
1458
1398
        name0u = u'0file-\xb6'
1476
1416
 
1477
1417
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1478
1418
        """make sure our Stat values are valid"""
1479
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1419
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1480
1420
        self.requireFeature(tests.UnicodeFilenameFeature)
1481
1421
        from bzrlib._walkdirs_win32 import Win32ReadDir
1482
1422
        name0u = u'0dir-\u062c\u0648'
1614
1554
                          ('d', 'source/b', 'target/b'),
1615
1555
                          ('f', 'source/b/c', 'target/b/c'),
1616
1556
                         ], processed_files)
1617
 
        self.assertPathDoesNotExist('target')
 
1557
        self.failIfExists('target')
1618
1558
        if osutils.has_symlinks():
1619
1559
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
1620
1560
 
1631
1571
        def cleanup():
1632
1572
            if 'BZR_TEST_ENV_VAR' in os.environ:
1633
1573
                del os.environ['BZR_TEST_ENV_VAR']
 
1574
 
1634
1575
        self.addCleanup(cleanup)
1635
1576
 
1636
1577
    def test_set(self):
1666
1607
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', None)
1667
1608
        self.assertEqual('foo', old)
1668
1609
        self.assertEqual(None, os.environ.get('BZR_TEST_ENV_VAR'))
1669
 
        self.assertFalse('BZR_TEST_ENV_VAR' in os.environ)
 
1610
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
1670
1611
 
1671
1612
 
1672
1613
class TestSizeShaFile(tests.TestCaseInTempDir):
1723
1664
 
1724
1665
class TestReCompile(tests.TestCase):
1725
1666
 
1726
 
    def _deprecated_re_compile_checked(self, *args, **kwargs):
1727
 
        return self.applyDeprecated(symbol_versioning.deprecated_in((2, 2, 0)),
1728
 
            osutils.re_compile_checked, *args, **kwargs)
1729
 
 
1730
1667
    def test_re_compile_checked(self):
1731
 
        r = self._deprecated_re_compile_checked(r'A*', re.IGNORECASE)
 
1668
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
1732
1669
        self.assertTrue(r.match('aaaa'))
1733
1670
        self.assertTrue(r.match('aAaA'))
1734
1671
 
1735
1672
    def test_re_compile_checked_error(self):
1736
1673
        # like https://bugs.launchpad.net/bzr/+bug/251352
1737
 
 
1738
 
        # Due to possible test isolation error, re.compile is not lazy at
1739
 
        # this point. We re-install lazy compile.
1740
 
        lazy_regex.install_lazy_compile()
1741
1674
        err = self.assertRaises(
1742
1675
            errors.BzrCommandError,
1743
 
            self._deprecated_re_compile_checked, '*', re.IGNORECASE, 'test case')
 
1676
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
1744
1677
        self.assertEqual(
1745
 
            'Invalid regular expression in test case: '
1746
 
            '"*" nothing to repeat',
 
1678
            "Invalid regular expression in test case: '*': "
 
1679
            "nothing to repeat",
1747
1680
            str(err))
1748
1681
 
1749
1682
 
1750
1683
class TestDirReader(tests.TestCaseInTempDir):
1751
1684
 
1752
 
    scenarios = dir_reader_scenarios()
1753
 
 
1754
1685
    # Set by load_tests
1755
1686
    _dir_reader_class = None
1756
1687
    _native_to_unicode = None
1757
1688
 
1758
1689
    def setUp(self):
1759
1690
        tests.TestCaseInTempDir.setUp(self)
1760
 
        self.overrideAttr(osutils,
1761
 
                          '_selected_dir_reader', self._dir_reader_class())
 
1691
 
 
1692
        # Save platform specific info and reset it
 
1693
        cur_dir_reader = osutils._selected_dir_reader
 
1694
 
 
1695
        def restore():
 
1696
            osutils._selected_dir_reader = cur_dir_reader
 
1697
        self.addCleanup(restore)
 
1698
 
 
1699
        osutils._selected_dir_reader = self._dir_reader_class()
1762
1700
 
1763
1701
    def _get_ascii_tree(self):
1764
1702
        tree = [
1897
1835
        os.symlink(self.target, self.link)
1898
1836
 
1899
1837
    def test_os_readlink_link_encoding(self):
1900
 
        self.assertEquals(self.target,  os.readlink(self.link))
 
1838
        if sys.version_info < (2, 6):
 
1839
            self.assertRaises(UnicodeEncodeError, os.readlink, self.link)
 
1840
        else:
 
1841
            self.assertEquals(self.target,  os.readlink(self.link))
1901
1842
 
1902
1843
    def test_os_readlink_link_decoding(self):
1903
1844
        self.assertEquals(self.target.encode(osutils._fs_enc),
1906
1847
 
1907
1848
class TestConcurrency(tests.TestCase):
1908
1849
 
1909
 
    def setUp(self):
1910
 
        super(TestConcurrency, self).setUp()
1911
 
        self.overrideAttr(osutils, '_cached_local_concurrency')
1912
 
 
1913
1850
    def test_local_concurrency(self):
1914
1851
        concurrency = osutils.local_concurrency()
1915
1852
        self.assertIsInstance(concurrency, int)
1916
1853
 
1917
 
    def test_local_concurrency_environment_variable(self):
1918
 
        self.overrideEnv('BZR_CONCURRENCY', '2')
1919
 
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
1920
 
        self.overrideEnv('BZR_CONCURRENCY', '3')
1921
 
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
1922
 
        self.overrideEnv('BZR_CONCURRENCY', 'foo')
1923
 
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
1924
 
 
1925
 
    def test_option_concurrency(self):
1926
 
        self.overrideEnv('BZR_CONCURRENCY', '1')
1927
 
        self.run_bzr('rocks --concurrency 42')
1928
 
        # Command line overrides environment variable
1929
 
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
1930
 
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
1931
 
 
1932
1854
 
1933
1855
class TestFailedToLoadExtension(tests.TestCase):
1934
1856
 
1941
1863
 
1942
1864
    def setUp(self):
1943
1865
        super(TestFailedToLoadExtension, self).setUp()
1944
 
        self.overrideAttr(osutils, '_extension_load_failures', [])
 
1866
        self.saved_failures = osutils._extension_load_failures[:]
 
1867
        del osutils._extension_load_failures[:]
 
1868
        self.addCleanup(self.restore_failures)
 
1869
 
 
1870
    def restore_failures(self):
 
1871
        osutils._extension_load_failures = self.saved_failures
1945
1872
 
1946
1873
    def test_failure_to_load(self):
1947
1874
        self._try_loading()
1965
1892
            r"bzr: warning: some compiled extensions could not be loaded; "
1966
1893
            "see <https://answers\.launchpad\.net/bzr/\+faq/703>\n"
1967
1894
            )
1968
 
 
1969
 
 
1970
 
class TestTerminalWidth(tests.TestCase):
1971
 
 
1972
 
    def setUp(self):
1973
 
        tests.TestCase.setUp(self)
1974
 
        self._orig_terminal_size_state = osutils._terminal_size_state
1975
 
        self._orig_first_terminal_size = osutils._first_terminal_size
1976
 
        self.addCleanup(self.restore_osutils_globals)
1977
 
        osutils._terminal_size_state = 'no_data'
1978
 
        osutils._first_terminal_size = None
1979
 
 
1980
 
    def restore_osutils_globals(self):
1981
 
        osutils._terminal_size_state = self._orig_terminal_size_state
1982
 
        osutils._first_terminal_size = self._orig_first_terminal_size
1983
 
 
1984
 
    def replace_stdout(self, new):
1985
 
        self.overrideAttr(sys, 'stdout', new)
1986
 
 
1987
 
    def replace__terminal_size(self, new):
1988
 
        self.overrideAttr(osutils, '_terminal_size', new)
1989
 
 
1990
 
    def set_fake_tty(self):
1991
 
 
1992
 
        class I_am_a_tty(object):
1993
 
            def isatty(self):
1994
 
                return True
1995
 
 
1996
 
        self.replace_stdout(I_am_a_tty())
1997
 
 
1998
 
    def test_default_values(self):
1999
 
        self.assertEqual(80, osutils.default_terminal_width)
2000
 
 
2001
 
    def test_defaults_to_BZR_COLUMNS(self):
2002
 
        # BZR_COLUMNS is set by the test framework
2003
 
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
2004
 
        self.overrideEnv('BZR_COLUMNS', '12')
2005
 
        self.assertEqual(12, osutils.terminal_width())
2006
 
 
2007
 
    def test_BZR_COLUMNS_0_no_limit(self):
2008
 
        self.overrideEnv('BZR_COLUMNS', '0')
2009
 
        self.assertEqual(None, osutils.terminal_width())
2010
 
 
2011
 
    def test_falls_back_to_COLUMNS(self):
2012
 
        self.overrideEnv('BZR_COLUMNS', None)
2013
 
        self.assertNotEqual('42', os.environ['COLUMNS'])
2014
 
        self.set_fake_tty()
2015
 
        self.overrideEnv('COLUMNS', '42')
2016
 
        self.assertEqual(42, osutils.terminal_width())
2017
 
 
2018
 
    def test_tty_default_without_columns(self):
2019
 
        self.overrideEnv('BZR_COLUMNS', None)
2020
 
        self.overrideEnv('COLUMNS', None)
2021
 
 
2022
 
        def terminal_size(w, h):
2023
 
            return 42, 42
2024
 
 
2025
 
        self.set_fake_tty()
2026
 
        # We need to override the osutils definition as it depends on the
2027
 
        # running environment that we can't control (PQM running without a
2028
 
        # controlling terminal is one example).
2029
 
        self.replace__terminal_size(terminal_size)
2030
 
        self.assertEqual(42, osutils.terminal_width())
2031
 
 
2032
 
    def test_non_tty_default_without_columns(self):
2033
 
        self.overrideEnv('BZR_COLUMNS', None)
2034
 
        self.overrideEnv('COLUMNS', None)
2035
 
        self.replace_stdout(None)
2036
 
        self.assertEqual(None, osutils.terminal_width())
2037
 
 
2038
 
    def test_no_TIOCGWINSZ(self):
2039
 
        self.requireFeature(term_ios_feature)
2040
 
        termios = term_ios_feature.module
2041
 
        # bug 63539 is about a termios without TIOCGWINSZ attribute
2042
 
        try:
2043
 
            orig = termios.TIOCGWINSZ
2044
 
        except AttributeError:
2045
 
            # We won't remove TIOCGWINSZ, because it doesn't exist anyway :)
2046
 
            pass
2047
 
        else:
2048
 
            self.overrideAttr(termios, 'TIOCGWINSZ')
2049
 
            del termios.TIOCGWINSZ
2050
 
        self.overrideEnv('BZR_COLUMNS', None)
2051
 
        self.overrideEnv('COLUMNS', None)
2052
 
        # Whatever the result is, if we don't raise an exception, it's ok.
2053
 
        osutils.terminal_width()
2054
 
 
2055
 
 
2056
 
class TestCreationOps(tests.TestCaseInTempDir):
2057
 
    _test_needs_features = [features.chown_feature]
2058
 
 
2059
 
    def setUp(self):
2060
 
        tests.TestCaseInTempDir.setUp(self)
2061
 
        self.overrideAttr(os, 'chown', self._dummy_chown)
2062
 
 
2063
 
        # params set by call to _dummy_chown
2064
 
        self.path = self.uid = self.gid = None
2065
 
 
2066
 
    def _dummy_chown(self, path, uid, gid):
2067
 
        self.path, self.uid, self.gid = path, uid, gid
2068
 
 
2069
 
    def test_copy_ownership_from_path(self):
2070
 
        """copy_ownership_from_path test with specified src."""
2071
 
        ownsrc = '/'
2072
 
        f = open('test_file', 'wt')
2073
 
        osutils.copy_ownership_from_path('test_file', ownsrc)
2074
 
 
2075
 
        s = os.stat(ownsrc)
2076
 
        self.assertEquals(self.path, 'test_file')
2077
 
        self.assertEquals(self.uid, s.st_uid)
2078
 
        self.assertEquals(self.gid, s.st_gid)
2079
 
 
2080
 
    def test_copy_ownership_nonesrc(self):
2081
 
        """copy_ownership_from_path test with src=None."""
2082
 
        f = open('test_file', 'wt')
2083
 
        # should use parent dir for permissions
2084
 
        osutils.copy_ownership_from_path('test_file')
2085
 
 
2086
 
        s = os.stat('..')
2087
 
        self.assertEquals(self.path, 'test_file')
2088
 
        self.assertEquals(self.uid, s.st_uid)
2089
 
        self.assertEquals(self.gid, s.st_gid)
2090
 
 
2091
 
 
2092
 
class TestGetuserUnicode(tests.TestCase):
2093
 
 
2094
 
    def test_ascii_user(self):
2095
 
        self.overrideEnv('LOGNAME', 'jrandom')
2096
 
        self.assertEqual(u'jrandom', osutils.getuser_unicode())
2097
 
 
2098
 
    def test_unicode_user(self):
2099
 
        ue = osutils.get_user_encoding()
2100
 
        uni_val, env_val = tests.probe_unicode_in_user_encoding()
2101
 
        if uni_val is None:
2102
 
            raise tests.TestSkipped(
2103
 
                'Cannot find a unicode character that works in encoding %s'
2104
 
                % (osutils.get_user_encoding(),))
2105
 
        uni_username = u'jrandom' + uni_val
2106
 
        encoded_username = uni_username.encode(ue)
2107
 
        self.overrideEnv('LOGNAME', encoded_username)
2108
 
        self.assertEqual(uni_username, osutils.getuser_unicode())
2109
 
        self.overrideEnv('LOGNAME', u'jrandom\xb6'.encode(ue))
2110
 
        self.assertEqual(u'jrandom\xb6', osutils.getuser_unicode())
2111
 
 
2112
 
    def test_no_username_bug_660174(self):
2113
 
        self.requireFeature(features.win32_feature)
2114
 
        for name in ('LOGNAME', 'USER', 'LNAME', 'USERNAME'):
2115
 
            self.overrideEnv(name, None)
2116
 
        self.assertEqual(u'UNKNOWN', osutils.getuser_unicode())
2117
 
 
2118
 
 
2119
 
class TestBackupNames(tests.TestCase):
2120
 
 
2121
 
    def setUp(self):
2122
 
        super(TestBackupNames, self).setUp()
2123
 
        self.backups = []
2124
 
 
2125
 
    def backup_exists(self, name):
2126
 
        return name in self.backups
2127
 
 
2128
 
    def available_backup_name(self, name):
2129
 
        backup_name = osutils.available_backup_name(name, self.backup_exists)
2130
 
        self.backups.append(backup_name)
2131
 
        return backup_name
2132
 
 
2133
 
    def assertBackupName(self, expected, name):
2134
 
        self.assertEqual(expected, self.available_backup_name(name))
2135
 
 
2136
 
    def test_empty(self):
2137
 
        self.assertBackupName('file.~1~', 'file')
2138
 
 
2139
 
    def test_existing(self):
2140
 
        self.available_backup_name('file')
2141
 
        self.available_backup_name('file')
2142
 
        self.assertBackupName('file.~3~', 'file')
2143
 
        # Empty slots are found, this is not a strict requirement and may be
2144
 
        # revisited if we test against all implementations.
2145
 
        self.backups.remove('file.~2~')
2146
 
        self.assertBackupName('file.~2~', 'file')
2147
 
 
2148
 
 
2149
 
class TestFindExecutableInPath(tests.TestCase):
2150
 
 
2151
 
    def test_windows(self):
2152
 
        if sys.platform != 'win32':
2153
 
            raise tests.TestSkipped('test requires win32')
2154
 
        self.assertTrue(osutils.find_executable_on_path('explorer') is not None)
2155
 
        self.assertTrue(
2156
 
            osutils.find_executable_on_path('explorer.exe') is not None)
2157
 
        self.assertTrue(
2158
 
            osutils.find_executable_on_path('EXPLORER.EXE') is not None)
2159
 
        self.assertTrue(
2160
 
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
2161
 
        self.assertTrue(osutils.find_executable_on_path('file.txt') is None)
2162
 
 
2163
 
    def test_other(self):
2164
 
        if sys.platform == 'win32':
2165
 
            raise tests.TestSkipped('test requires non-win32')
2166
 
        self.assertTrue(osutils.find_executable_on_path('sh') is not None)
2167
 
        self.assertTrue(
2168
 
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)