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Viewing changes to bzrlib/tests/test_osutils.py

  • Committer: Vincent Ladeuil
  • Date: 2013-07-13 22:35:15 UTC
  • mto: This revision was merged to the branch mainline in revision 6581.
  • Revision ID: v.ladeuil+lp@free.fr-20130713223515-wftce3su3nu2oov6
https://launchpad.net/bugs/1195783
Support utf-8 platform names

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bzrlib/tests/test_osutils.py
20
20
import errno
21
21
import os
22
22
import re
 
23
import select
23
24
import socket
24
25
import sys
 
26
import tempfile
25
27
import time
26
28
 
27
29
from bzrlib import (
41
43
from bzrlib.tests.scenarios import load_tests_apply_scenarios
42
44
 
43
45
 
44
 
class _UTF8DirReaderFeature(tests.Feature):
 
46
class _UTF8DirReaderFeature(features.Feature):
45
47
 
46
48
    def _probe(self):
47
49
        try:
54
56
    def feature_name(self):
55
57
        return 'bzrlib._readdir_pyx'
56
58
 
57
 
UTF8DirReaderFeature = _UTF8DirReaderFeature()
 
59
UTF8DirReaderFeature = features.ModuleAvailableFeature('bzrlib._readdir_pyx')
58
60
 
59
 
term_ios_feature = tests.ModuleAvailableFeature('termios')
 
61
term_ios_feature = features.ModuleAvailableFeature('termios')
60
62
 
61
63
 
62
64
def _already_unicode(s):
180
182
        shape = sorted(os.listdir('.'))
181
183
        self.assertEquals(['A', 'B'], shape)
182
184
 
 
185
    def test_rename_exception(self):
 
186
        try:
 
187
            osutils.rename('nonexistent_path', 'different_nonexistent_path')
 
188
        except OSError, e:
 
189
            self.assertEqual(e.old_filename, 'nonexistent_path')
 
190
            self.assertEqual(e.new_filename, 'different_nonexistent_path')
 
191
            self.assertTrue('nonexistent_path' in e.strerror)
 
192
            self.assertTrue('different_nonexistent_path' in e.strerror)
 
193
 
183
194
 
184
195
class TestRandChars(tests.TestCase):
185
196
 
426
437
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
427
438
 
428
439
 
 
440
class TestFdatasync(tests.TestCaseInTempDir):
 
441
 
 
442
    def do_fdatasync(self):
 
443
        f = tempfile.NamedTemporaryFile()
 
444
        osutils.fdatasync(f.fileno())
 
445
        f.close()
 
446
 
 
447
    @staticmethod
 
448
    def raise_eopnotsupp(*args, **kwargs):
 
449
        raise IOError(errno.EOPNOTSUPP, os.strerror(errno.EOPNOTSUPP))
 
450
 
 
451
    @staticmethod
 
452
    def raise_enotsup(*args, **kwargs):
 
453
        raise IOError(errno.ENOTSUP, os.strerror(errno.ENOTSUP))
 
454
 
 
455
    def test_fdatasync_handles_system_function(self):
 
456
        self.overrideAttr(os, "fdatasync")
 
457
        self.do_fdatasync()
 
458
 
 
459
    def test_fdatasync_handles_no_fdatasync_no_fsync(self):
 
460
        self.overrideAttr(os, "fdatasync")
 
461
        self.overrideAttr(os, "fsync")
 
462
        self.do_fdatasync()
 
463
 
 
464
    def test_fdatasync_handles_no_EOPNOTSUPP(self):
 
465
        self.overrideAttr(errno, "EOPNOTSUPP")
 
466
        self.do_fdatasync()
 
467
 
 
468
    def test_fdatasync_catches_ENOTSUP(self):
 
469
        enotsup = getattr(errno, "ENOTSUP", None)
 
470
        if enotsup is None:
 
471
            raise tests.TestNotApplicable("No ENOTSUP on this platform")
 
472
        self.overrideAttr(os, "fdatasync", self.raise_enotsup)
 
473
        self.do_fdatasync()
 
474
 
 
475
    def test_fdatasync_catches_EOPNOTSUPP(self):
 
476
        enotsup = getattr(errno, "EOPNOTSUPP", None)
 
477
        if enotsup is None:
 
478
            raise tests.TestNotApplicable("No EOPNOTSUPP on this platform")
 
479
        self.overrideAttr(os, "fdatasync", self.raise_eopnotsupp)
 
480
        self.do_fdatasync()
 
481
 
 
482
 
429
483
class TestLinks(tests.TestCaseInTempDir):
430
484
 
431
485
    def test_dereference_path(self):
432
 
        self.requireFeature(tests.SymlinkFeature)
 
486
        self.requireFeature(features.SymlinkFeature)
433
487
        cwd = osutils.realpath('.')
434
488
        os.mkdir('bar')
435
489
        bar_path = osutils.pathjoin(cwd, 'bar')
482
536
 
483
537
class TestCanonicalRelPath(tests.TestCaseInTempDir):
484
538
 
485
 
    _test_needs_features = [tests.CaseInsCasePresFilenameFeature]
 
539
    _test_needs_features = [features.CaseInsCasePresFilenameFeature]
486
540
 
487
541
    def test_canonical_relpath_simple(self):
488
542
        f = file('MixedCaseName', 'w')
544
598
    """Test pumpfile method."""
545
599
 
546
600
    def setUp(self):
547
 
        tests.TestCase.setUp(self)
 
601
        super(TestPumpFile, self).setUp()
548
602
        # create a test datablock
549
603
        self.block_size = 512
550
604
        pattern = '0123456789ABCDEF'
818
872
        self.assertEqual(None, osutils.safe_file_id(None))
819
873
 
820
874
 
 
875
class TestSendAll(tests.TestCase):
 
876
 
 
877
    def test_send_with_disconnected_socket(self):
 
878
        class DisconnectedSocket(object):
 
879
            def __init__(self, err):
 
880
                self.err = err
 
881
            def send(self, content):
 
882
                raise self.err
 
883
            def close(self):
 
884
                pass
 
885
        # All of these should be treated as ConnectionReset
 
886
        errs = []
 
887
        for err_cls in (IOError, socket.error):
 
888
            for errnum in osutils._end_of_stream_errors:
 
889
                errs.append(err_cls(errnum))
 
890
        for err in errs:
 
891
            sock = DisconnectedSocket(err)
 
892
            self.assertRaises(errors.ConnectionReset,
 
893
                osutils.send_all, sock, 'some more content')
 
894
 
 
895
    def test_send_with_no_progress(self):
 
896
        # See https://bugs.launchpad.net/bzr/+bug/1047309
 
897
        # It seems that paramiko can get into a state where it doesn't error,
 
898
        # but it returns 0 bytes sent for requests over and over again.
 
899
        class NoSendingSocket(object):
 
900
            def __init__(self):
 
901
                self.call_count = 0
 
902
            def send(self, bytes):
 
903
                self.call_count += 1
 
904
                if self.call_count > 100:
 
905
                    # Prevent the test suite from hanging
 
906
                    raise RuntimeError('too many calls')
 
907
                return 0
 
908
        sock = NoSendingSocket()
 
909
        self.assertRaises(errors.ConnectionReset,
 
910
                          osutils.send_all, sock, 'content')
 
911
        self.assertEqual(1, sock.call_count)
 
912
 
 
913
 
 
914
class TestPosixFuncs(tests.TestCase):
 
915
    """Test that the posix version of normpath returns an appropriate path
 
916
       when used with 2 leading slashes."""
 
917
 
 
918
    def test_normpath(self):
 
919
        self.assertEqual('/etc/shadow', osutils._posix_normpath('/etc/shadow'))
 
920
        self.assertEqual('/etc/shadow', osutils._posix_normpath('//etc/shadow'))
 
921
        self.assertEqual('/etc/shadow', osutils._posix_normpath('///etc/shadow'))
 
922
 
 
923
 
821
924
class TestWin32Funcs(tests.TestCase):
822
925
    """Test that _win32 versions of os utilities return appropriate paths."""
823
926
 
888
991
    """Test win32 functions that create files."""
889
992
 
890
993
    def test_getcwd(self):
891
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
994
        self.requireFeature(features.UnicodeFilenameFeature)
892
995
        os.mkdir(u'mu-\xb5')
893
996
        os.chdir(u'mu-\xb5')
894
997
        # TODO: jam 20060427 This will probably fail on Mac OSX because
984
1087
    """Test mac special functions that require directories."""
985
1088
 
986
1089
    def test_getcwd(self):
987
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1090
        self.requireFeature(features.UnicodeFilenameFeature)
988
1091
        os.mkdir(u'B\xe5gfors')
989
1092
        os.chdir(u'B\xe5gfors')
990
1093
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
991
1094
 
992
1095
    def test_getcwd_nonnorm(self):
993
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1096
        self.requireFeature(features.UnicodeFilenameFeature)
994
1097
        # Test that _mac_getcwd() will normalize this path
995
1098
        os.mkdir(u'Ba\u030agfors')
996
1099
        os.chdir(u'Ba\u030agfors')
1106
1209
        # are not using the filesystem's encoding
1107
1210
 
1108
1211
        # require a bytestring based filesystem
1109
 
        self.requireFeature(tests.ByteStringNamedFilesystem)
 
1212
        self.requireFeature(features.ByteStringNamedFilesystem)
1110
1213
 
1111
1214
        tree = [
1112
1215
            '.bzr',
1206
1309
        self.requireFeature(UTF8DirReaderFeature)
1207
1310
        self._save_platform_info()
1208
1311
        win32utils.winver = None # Avoid the win32 detection code
1209
 
        osutils._fs_enc = 'UTF-8'
1210
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1312
        osutils._fs_enc = 'utf-8'
 
1313
        self.assertDirReaderIs(
 
1314
            UTF8DirReaderFeature.module.UTF8DirReader)
1211
1315
 
1212
1316
    def test_force_walkdirs_utf8_fs_ascii(self):
1213
1317
        self.requireFeature(UTF8DirReaderFeature)
1214
1318
        self._save_platform_info()
1215
1319
        win32utils.winver = None # Avoid the win32 detection code
1216
 
        osutils._fs_enc = 'US-ASCII'
1217
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
1218
 
 
1219
 
    def test_force_walkdirs_utf8_fs_ANSI(self):
1220
 
        self.requireFeature(UTF8DirReaderFeature)
1221
 
        self._save_platform_info()
1222
 
        win32utils.winver = None # Avoid the win32 detection code
1223
 
        osutils._fs_enc = 'ANSI_X3.4-1968'
1224
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1320
        osutils._fs_enc = 'ascii'
 
1321
        self.assertDirReaderIs(
 
1322
            UTF8DirReaderFeature.module.UTF8DirReader)
1225
1323
 
1226
1324
    def test_force_walkdirs_utf8_fs_latin1(self):
1227
1325
        self._save_platform_info()
1228
1326
        win32utils.winver = None # Avoid the win32 detection code
1229
 
        osutils._fs_enc = 'latin1'
 
1327
        osutils._fs_enc = 'iso-8859-1'
1230
1328
        self.assertDirReaderIs(osutils.UnicodeDirReader)
1231
1329
 
1232
1330
    def test_force_walkdirs_utf8_nt(self):
1245
1343
 
1246
1344
    def test_unicode_walkdirs(self):
1247
1345
        """Walkdirs should always return unicode paths."""
1248
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1346
        self.requireFeature(features.UnicodeFilenameFeature)
1249
1347
        name0 = u'0file-\xb6'
1250
1348
        name1 = u'1dir-\u062c\u0648'
1251
1349
        name2 = u'2file-\u0633'
1288
1386
 
1289
1387
        The abspath portion might be in unicode or utf-8
1290
1388
        """
1291
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1389
        self.requireFeature(features.UnicodeFilenameFeature)
1292
1390
        name0 = u'0file-\xb6'
1293
1391
        name1 = u'1dir-\u062c\u0648'
1294
1392
        name2 = u'2file-\u0633'
1349
1447
 
1350
1448
        The abspath portion should be in unicode
1351
1449
        """
1352
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1450
        self.requireFeature(features.UnicodeFilenameFeature)
1353
1451
        # Use the unicode reader. TODO: split into driver-and-driven unit
1354
1452
        # tests.
1355
1453
        self._save_platform_info()
1396
1494
 
1397
1495
    def test__walkdirs_utf8_win32readdir(self):
1398
1496
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1399
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1497
        self.requireFeature(features.UnicodeFilenameFeature)
1400
1498
        from bzrlib._walkdirs_win32 import Win32ReadDir
1401
1499
        self._save_platform_info()
1402
1500
        osutils._selected_dir_reader = Win32ReadDir()
1453
1551
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1454
1552
        """make sure our Stat values are valid"""
1455
1553
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1456
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1554
        self.requireFeature(features.UnicodeFilenameFeature)
1457
1555
        from bzrlib._walkdirs_win32 import Win32ReadDir
1458
1556
        name0u = u'0file-\xb6'
1459
1557
        name0 = name0u.encode('utf8')
1477
1575
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1478
1576
        """make sure our Stat values are valid"""
1479
1577
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1480
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1578
        self.requireFeature(features.UnicodeFilenameFeature)
1481
1579
        from bzrlib._walkdirs_win32 import Win32ReadDir
1482
1580
        name0u = u'0dir-\u062c\u0648'
1483
1581
        name0 = name0u.encode('utf8')
1583
1681
        self.assertEqual(['c'], os.listdir('target/b'))
1584
1682
 
1585
1683
    def test_copy_tree_symlinks(self):
1586
 
        self.requireFeature(tests.SymlinkFeature)
 
1684
        self.requireFeature(features.SymlinkFeature)
1587
1685
        self.build_tree(['source/'])
1588
1686
        os.symlink('a/generic/path', 'source/lnk')
1589
1687
        osutils.copy_tree('source', 'target')
1756
1854
    _native_to_unicode = None
1757
1855
 
1758
1856
    def setUp(self):
1759
 
        tests.TestCaseInTempDir.setUp(self)
 
1857
        super(TestDirReader, self).setUp()
1760
1858
        self.overrideAttr(osutils,
1761
1859
                          '_selected_dir_reader', self._dir_reader_class())
1762
1860
 
1856
1954
        return filtered_dirblocks
1857
1955
 
1858
1956
    def test_walk_unicode_tree(self):
1859
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1957
        self.requireFeature(features.UnicodeFilenameFeature)
1860
1958
        tree, expected_dirblocks = self._get_unicode_tree()
1861
1959
        self.build_tree(tree)
1862
1960
        result = list(osutils._walkdirs_utf8('.'))
1863
1961
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1864
1962
 
1865
1963
    def test_symlink(self):
1866
 
        self.requireFeature(tests.SymlinkFeature)
1867
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1964
        self.requireFeature(features.SymlinkFeature)
 
1965
        self.requireFeature(features.UnicodeFilenameFeature)
1868
1966
        target = u'target\N{Euro Sign}'
1869
1967
        link_name = u'l\N{Euro Sign}nk'
1870
1968
        os.symlink(target, link_name)
1888
1986
    But prior python versions failed to properly encode the passed unicode
1889
1987
    string.
1890
1988
    """
1891
 
    _test_needs_features = [tests.SymlinkFeature, tests.UnicodeFilenameFeature]
 
1989
    _test_needs_features = [features.SymlinkFeature, features.UnicodeFilenameFeature]
1892
1990
 
1893
1991
    def setUp(self):
1894
1992
        super(tests.TestCaseInTempDir, self).setUp()
1970
2068
class TestTerminalWidth(tests.TestCase):
1971
2069
 
1972
2070
    def setUp(self):
1973
 
        tests.TestCase.setUp(self)
 
2071
        super(TestTerminalWidth, self).setUp()
1974
2072
        self._orig_terminal_size_state = osutils._terminal_size_state
1975
2073
        self._orig_first_terminal_size = osutils._first_terminal_size
1976
2074
        self.addCleanup(self.restore_osutils_globals)
2057
2155
    _test_needs_features = [features.chown_feature]
2058
2156
 
2059
2157
    def setUp(self):
2060
 
        tests.TestCaseInTempDir.setUp(self)
 
2158
        super(TestCreationOps, self).setUp()
2061
2159
        self.overrideAttr(os, 'chown', self._dummy_chown)
2062
2160
 
2063
2161
        # params set by call to _dummy_chown
2089
2187
        self.assertEquals(self.gid, s.st_gid)
2090
2188
 
2091
2189
 
 
2190
class TestPathFromEnviron(tests.TestCase):
 
2191
 
 
2192
    def test_is_unicode(self):
 
2193
        self.overrideEnv('BZR_TEST_PATH', './anywhere at all/')
 
2194
        path = osutils.path_from_environ('BZR_TEST_PATH')
 
2195
        self.assertIsInstance(path, unicode)
 
2196
        self.assertEqual(u'./anywhere at all/', path)
 
2197
 
 
2198
    def test_posix_path_env_ascii(self):
 
2199
        self.overrideEnv('BZR_TEST_PATH', '/tmp')
 
2200
        home = osutils._posix_path_from_environ('BZR_TEST_PATH')
 
2201
        self.assertIsInstance(home, unicode)
 
2202
        self.assertEqual(u'/tmp', home)
 
2203
 
 
2204
    def test_posix_path_env_unicode(self):
 
2205
        self.requireFeature(features.ByteStringNamedFilesystem)
 
2206
        self.overrideEnv('BZR_TEST_PATH', '/home/\xa7test')
 
2207
        self.overrideAttr(osutils, "_fs_enc", "iso8859-1")
 
2208
        self.assertEqual(u'/home/\xa7test',
 
2209
            osutils._posix_path_from_environ('BZR_TEST_PATH'))
 
2210
        osutils._fs_enc = "iso8859-5"
 
2211
        self.assertEqual(u'/home/\u0407test',
 
2212
            osutils._posix_path_from_environ('BZR_TEST_PATH'))
 
2213
        osutils._fs_enc = "utf-8"
 
2214
        self.assertRaises(errors.BadFilenameEncoding,
 
2215
            osutils._posix_path_from_environ, 'BZR_TEST_PATH')
 
2216
 
 
2217
 
 
2218
class TestGetHomeDir(tests.TestCase):
 
2219
 
 
2220
    def test_is_unicode(self):
 
2221
        home = osutils._get_home_dir()
 
2222
        self.assertIsInstance(home, unicode)
 
2223
 
 
2224
    def test_posix_homeless(self):
 
2225
        self.overrideEnv('HOME', None)
 
2226
        home = osutils._get_home_dir()
 
2227
        self.assertIsInstance(home, unicode)
 
2228
 
 
2229
    def test_posix_home_ascii(self):
 
2230
        self.overrideEnv('HOME', '/home/test')
 
2231
        home = osutils._posix_get_home_dir()
 
2232
        self.assertIsInstance(home, unicode)
 
2233
        self.assertEqual(u'/home/test', home)
 
2234
 
 
2235
    def test_posix_home_unicode(self):
 
2236
        self.requireFeature(features.ByteStringNamedFilesystem)
 
2237
        self.overrideEnv('HOME', '/home/\xa7test')
 
2238
        self.overrideAttr(osutils, "_fs_enc", "iso8859-1")
 
2239
        self.assertEqual(u'/home/\xa7test', osutils._posix_get_home_dir())
 
2240
        osutils._fs_enc = "iso8859-5"
 
2241
        self.assertEqual(u'/home/\u0407test', osutils._posix_get_home_dir())
 
2242
        osutils._fs_enc = "utf-8"
 
2243
        self.assertRaises(errors.BadFilenameEncoding,
 
2244
            osutils._posix_get_home_dir)
 
2245
 
 
2246
 
2092
2247
class TestGetuserUnicode(tests.TestCase):
2093
2248
 
 
2249
    def test_is_unicode(self):
 
2250
        user = osutils.getuser_unicode()
 
2251
        self.assertIsInstance(user, unicode)
 
2252
 
 
2253
    def envvar_to_override(self):
 
2254
        if sys.platform == "win32":
 
2255
            # Disable use of platform calls on windows so envvar is used
 
2256
            self.overrideAttr(win32utils, 'has_ctypes', False)
 
2257
            return 'USERNAME' # only variable used on windows
 
2258
        return 'LOGNAME' # first variable checked by getpass.getuser()
 
2259
 
2094
2260
    def test_ascii_user(self):
2095
 
        self.overrideEnv('LOGNAME', 'jrandom')
 
2261
        self.overrideEnv(self.envvar_to_override(), 'jrandom')
2096
2262
        self.assertEqual(u'jrandom', osutils.getuser_unicode())
2097
2263
 
2098
2264
    def test_unicode_user(self):
2104
2270
                % (osutils.get_user_encoding(),))
2105
2271
        uni_username = u'jrandom' + uni_val
2106
2272
        encoded_username = uni_username.encode(ue)
2107
 
        self.overrideEnv('LOGNAME', encoded_username)
 
2273
        self.overrideEnv(self.envvar_to_override(), encoded_username)
2108
2274
        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
2275
 
2118
2276
 
2119
2277
class TestBackupNames(tests.TestCase):
2159
2317
        self.assertTrue(
2160
2318
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
2161
2319
        self.assertTrue(osutils.find_executable_on_path('file.txt') is None)
 
2320
        
 
2321
    def test_windows_app_path(self):
 
2322
        if sys.platform != 'win32':
 
2323
            raise tests.TestSkipped('test requires win32')
 
2324
        # Override PATH env var so that exe can only be found on App Path
 
2325
        self.overrideEnv('PATH', '')
 
2326
        # Internt Explorer is always registered in the App Path
 
2327
        self.assertTrue(osutils.find_executable_on_path('iexplore') is not None)
2162
2328
 
2163
2329
    def test_other(self):
2164
2330
        if sys.platform == 'win32':
2166
2332
        self.assertTrue(osutils.find_executable_on_path('sh') is not None)
2167
2333
        self.assertTrue(
2168
2334
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
 
2335
 
 
2336
 
 
2337
class TestEnvironmentErrors(tests.TestCase):
 
2338
    """Test handling of environmental errors"""
 
2339
 
 
2340
    def test_is_oserror(self):
 
2341
        self.assertTrue(osutils.is_environment_error(
 
2342
            OSError(errno.EINVAL, "Invalid parameter")))
 
2343
 
 
2344
    def test_is_ioerror(self):
 
2345
        self.assertTrue(osutils.is_environment_error(
 
2346
            IOError(errno.EINVAL, "Invalid parameter")))
 
2347
 
 
2348
    def test_is_socket_error(self):
 
2349
        self.assertTrue(osutils.is_environment_error(
 
2350
            socket.error(errno.EINVAL, "Invalid parameter")))
 
2351
 
 
2352
    def test_is_select_error(self):
 
2353
        self.assertTrue(osutils.is_environment_error(
 
2354
            select.error(errno.EINVAL, "Invalid parameter")))
 
2355
 
 
2356
    def test_is_pywintypes_error(self):
 
2357
        self.requireFeature(features.pywintypes)
 
2358
        import pywintypes
 
2359
        self.assertTrue(osutils.is_environment_error(
 
2360
            pywintypes.error(errno.EINVAL, "Invalid parameter", "Caller")))