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Viewing changes to bzrlib/tests/test_osutils.py

  • Committer: Tarmac
  • Author(s): Vincent Ladeuil
  • Date: 2017-01-30 14:42:05 UTC
  • mfrom: (6620.1.1 trunk)
  • Revision ID: tarmac-20170130144205-r8fh2xpmiuxyozpv
Merge  2.7 into trunk including fix for bug #1657238 [r=vila]

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bzrlib/tests/test_osutils.py
1
 
# Copyright (C) 2005-2011 Canonical Ltd
 
1
# Copyright (C) 2005-2016 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
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 (
178
180
        # we can't use failUnlessExists on case-insensitive filesystem
179
181
        # so try to check shape of the tree
180
182
        shape = sorted(os.listdir('.'))
181
 
        self.assertEquals(['A', 'B'], shape)
 
183
        self.assertEqual(['A', 'B'], shape)
 
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)
182
193
 
183
194
 
184
195
class TestRandChars(tests.TestCase):
211
222
                         (['src'], SRC_FOO_C),
212
223
                         (['src'], 'src'),
213
224
                         ]:
214
 
            self.assert_(osutils.is_inside_any(dirs, fn))
 
225
            self.assertTrue(osutils.is_inside_any(dirs, fn))
215
226
        for dirs, fn in [(['src'], 'srccontrol'),
216
227
                         (['src'], 'srccontrol/foo')]:
217
228
            self.assertFalse(osutils.is_inside_any(dirs, fn))
223
234
                         (['src/bar.c', 'bla/foo.c'], 'src'),
224
235
                         (['src'], 'src'),
225
236
                         ]:
226
 
            self.assert_(osutils.is_inside_or_parent_of_any(dirs, fn))
 
237
            self.assertTrue(osutils.is_inside_or_parent_of_any(dirs, fn))
227
238
 
228
239
        for dirs, fn in [(['src'], 'srccontrol'),
229
240
                         (['srccontrol/foo.c'], 'src'),
287
298
 
288
299
    def test_file_kind(self):
289
300
        self.build_tree(['file', 'dir/'])
290
 
        self.assertEquals('file', osutils.file_kind('file'))
291
 
        self.assertEquals('directory', osutils.file_kind('dir/'))
 
301
        self.assertEqual('file', osutils.file_kind('file'))
 
302
        self.assertEqual('directory', osutils.file_kind('dir/'))
292
303
        if osutils.has_symlinks():
293
304
            os.symlink('symlink', 'symlink')
294
 
            self.assertEquals('symlink', osutils.file_kind('symlink'))
 
305
            self.assertEqual('symlink', osutils.file_kind('symlink'))
295
306
 
296
307
        # TODO: jam 20060529 Test a block device
297
308
        try:
300
311
            if e.errno not in (errno.ENOENT,):
301
312
                raise
302
313
        else:
303
 
            self.assertEquals('chardev', osutils.file_kind('/dev/null'))
 
314
            self.assertEqual('chardev', osutils.file_kind('/dev/null'))
304
315
 
305
316
        mkfifo = getattr(os, 'mkfifo', None)
306
317
        if mkfifo:
307
318
            mkfifo('fifo')
308
319
            try:
309
 
                self.assertEquals('fifo', osutils.file_kind('fifo'))
 
320
                self.assertEqual('fifo', osutils.file_kind('fifo'))
310
321
            finally:
311
322
                os.remove('fifo')
312
323
 
315
326
            s = socket.socket(AF_UNIX)
316
327
            s.bind('socket')
317
328
            try:
318
 
                self.assertEquals('socket', osutils.file_kind('socket'))
 
329
                self.assertEqual('socket', osutils.file_kind('socket'))
319
330
            finally:
320
331
                os.remove('socket')
321
332
 
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):
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
 
824
927
    def test_abspath(self):
 
928
        self.requireFeature(features.win32_feature)
825
929
        self.assertEqual('C:/foo', osutils._win32_abspath('C:\\foo'))
826
930
        self.assertEqual('C:/foo', osutils._win32_abspath('C:/foo'))
827
931
        self.assertEqual('//HOST/path', osutils._win32_abspath(r'\\HOST\path'))
840
944
                         osutils._win32_pathjoin('path/to', 'C:/foo'))
841
945
        self.assertEqual('path/to/foo',
842
946
                         osutils._win32_pathjoin('path/to/', 'foo'))
843
 
        self.assertEqual('/foo',
 
947
 
 
948
    def test_pathjoin_late_bugfix(self):
 
949
        if sys.version_info < (2, 7, 6):
 
950
            expected = '/foo'
 
951
        else:
 
952
            expected = 'C:/foo'
 
953
        self.assertEqual(expected,
844
954
                         osutils._win32_pathjoin('C:/path/to/', '/foo'))
845
 
        self.assertEqual('/foo',
 
955
        self.assertEqual(expected,
846
956
                         osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
847
957
 
848
958
    def test_normpath(self):
868
978
        self.assertEqual('C:\\foo', osutils._win32_fixdrive('c:\\foo'))
869
979
 
870
980
    def test_win98_abspath(self):
 
981
        self.requireFeature(features.win32_feature)
871
982
        # absolute path
872
983
        self.assertEqual('C:/foo', osutils._win98_abspath('C:\\foo'))
873
984
        self.assertEqual('C:/foo', osutils._win98_abspath('C:/foo'))
1094
1205
        # (It would be ok if it happened earlier but at the moment it
1095
1206
        # doesn't.)
1096
1207
        e = self.assertRaises(OSError, list, osutils._walkdirs_utf8("."))
1097
 
        self.assertEquals('./test-unreadable', e.filename)
1098
 
        self.assertEquals(errno.EACCES, e.errno)
 
1208
        self.assertEqual('./test-unreadable', e.filename)
 
1209
        self.assertEqual(errno.EACCES, e.errno)
1099
1210
        # Ensure the message contains the file name
1100
1211
        self.assertContainsRe(str(e), "\./test-unreadable")
1101
1212
 
1206
1317
        self.requireFeature(UTF8DirReaderFeature)
1207
1318
        self._save_platform_info()
1208
1319
        win32utils.winver = None # Avoid the win32 detection code
1209
 
        osutils._fs_enc = 'UTF-8'
 
1320
        osutils._fs_enc = 'utf-8'
1210
1321
        self.assertDirReaderIs(
1211
1322
            UTF8DirReaderFeature.module.UTF8DirReader)
1212
1323
 
1214
1325
        self.requireFeature(UTF8DirReaderFeature)
1215
1326
        self._save_platform_info()
1216
1327
        win32utils.winver = None # Avoid the win32 detection code
1217
 
        osutils._fs_enc = 'US-ASCII'
1218
 
        self.assertDirReaderIs(
1219
 
            UTF8DirReaderFeature.module.UTF8DirReader)
1220
 
 
1221
 
    def test_force_walkdirs_utf8_fs_ANSI(self):
1222
 
        self.requireFeature(UTF8DirReaderFeature)
1223
 
        self._save_platform_info()
1224
 
        win32utils.winver = None # Avoid the win32 detection code
1225
 
        osutils._fs_enc = 'ANSI_X3.4-1968'
 
1328
        osutils._fs_enc = 'ascii'
1226
1329
        self.assertDirReaderIs(
1227
1330
            UTF8DirReaderFeature.module.UTF8DirReader)
1228
1331
 
1229
1332
    def test_force_walkdirs_utf8_fs_latin1(self):
1230
1333
        self._save_platform_info()
1231
1334
        win32utils.winver = None # Avoid the win32 detection code
1232
 
        osutils._fs_enc = 'latin1'
 
1335
        osutils._fs_enc = 'iso-8859-1'
1233
1336
        self.assertDirReaderIs(osutils.UnicodeDirReader)
1234
1337
 
1235
1338
    def test_force_walkdirs_utf8_nt(self):
1759
1862
    _native_to_unicode = None
1760
1863
 
1761
1864
    def setUp(self):
1762
 
        tests.TestCaseInTempDir.setUp(self)
 
1865
        super(TestDirReader, self).setUp()
1763
1866
        self.overrideAttr(osutils,
1764
1867
                          '_selected_dir_reader', self._dir_reader_class())
1765
1868
 
1900
2003
        os.symlink(self.target, self.link)
1901
2004
 
1902
2005
    def test_os_readlink_link_encoding(self):
1903
 
        self.assertEquals(self.target,  os.readlink(self.link))
 
2006
        self.assertEqual(self.target,  os.readlink(self.link))
1904
2007
 
1905
2008
    def test_os_readlink_link_decoding(self):
1906
 
        self.assertEquals(self.target.encode(osutils._fs_enc),
 
2009
        self.assertEqual(self.target.encode(osutils._fs_enc),
1907
2010
                          os.readlink(self.link.encode(osutils._fs_enc)))
1908
2011
 
1909
2012
 
1929
2032
        self.overrideEnv('BZR_CONCURRENCY', '1')
1930
2033
        self.run_bzr('rocks --concurrency 42')
1931
2034
        # Command line overrides environment variable
1932
 
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
1933
 
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
 
2035
        self.assertEqual('42', os.environ['BZR_CONCURRENCY'])
 
2036
        self.assertEqual(42, osutils.local_concurrency(use_cache=False))
1934
2037
 
1935
2038
 
1936
2039
class TestFailedToLoadExtension(tests.TestCase):
1949
2052
    def test_failure_to_load(self):
1950
2053
        self._try_loading()
1951
2054
        self.assertLength(1, osutils._extension_load_failures)
1952
 
        self.assertEquals(osutils._extension_load_failures[0],
 
2055
        self.assertEqual(osutils._extension_load_failures[0],
1953
2056
            "No module named _fictional_extension_py")
1954
2057
 
1955
2058
    def test_report_extension_load_failures_no_warning(self):
1973
2076
class TestTerminalWidth(tests.TestCase):
1974
2077
 
1975
2078
    def setUp(self):
1976
 
        tests.TestCase.setUp(self)
 
2079
        super(TestTerminalWidth, self).setUp()
1977
2080
        self._orig_terminal_size_state = osutils._terminal_size_state
1978
2081
        self._orig_first_terminal_size = osutils._first_terminal_size
1979
2082
        self.addCleanup(self.restore_osutils_globals)
2060
2163
    _test_needs_features = [features.chown_feature]
2061
2164
 
2062
2165
    def setUp(self):
2063
 
        tests.TestCaseInTempDir.setUp(self)
 
2166
        super(TestCreationOps, self).setUp()
2064
2167
        self.overrideAttr(os, 'chown', self._dummy_chown)
2065
2168
 
2066
2169
        # params set by call to _dummy_chown
2076
2179
        osutils.copy_ownership_from_path('test_file', ownsrc)
2077
2180
 
2078
2181
        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)
 
2182
        self.assertEqual(self.path, 'test_file')
 
2183
        self.assertEqual(self.uid, s.st_uid)
 
2184
        self.assertEqual(self.gid, s.st_gid)
2082
2185
 
2083
2186
    def test_copy_ownership_nonesrc(self):
2084
2187
        """copy_ownership_from_path test with src=None."""
2087
2190
        osutils.copy_ownership_from_path('test_file')
2088
2191
 
2089
2192
        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)
 
2193
        self.assertEqual(self.path, 'test_file')
 
2194
        self.assertEqual(self.uid, s.st_uid)
 
2195
        self.assertEqual(self.gid, s.st_gid)
 
2196
 
 
2197
 
 
2198
class TestPathFromEnviron(tests.TestCase):
 
2199
 
 
2200
    def test_is_unicode(self):
 
2201
        self.overrideEnv('BZR_TEST_PATH', './anywhere at all/')
 
2202
        path = osutils.path_from_environ('BZR_TEST_PATH')
 
2203
        self.assertIsInstance(path, unicode)
 
2204
        self.assertEqual(u'./anywhere at all/', path)
 
2205
 
 
2206
    def test_posix_path_env_ascii(self):
 
2207
        self.overrideEnv('BZR_TEST_PATH', '/tmp')
 
2208
        home = osutils._posix_path_from_environ('BZR_TEST_PATH')
 
2209
        self.assertIsInstance(home, unicode)
 
2210
        self.assertEqual(u'/tmp', home)
 
2211
 
 
2212
    def test_posix_path_env_unicode(self):
 
2213
        self.requireFeature(features.ByteStringNamedFilesystem)
 
2214
        self.overrideEnv('BZR_TEST_PATH', '/home/\xa7test')
 
2215
        self.overrideAttr(osutils, "_fs_enc", "iso8859-1")
 
2216
        self.assertEqual(u'/home/\xa7test',
 
2217
            osutils._posix_path_from_environ('BZR_TEST_PATH'))
 
2218
        osutils._fs_enc = "iso8859-5"
 
2219
        self.assertEqual(u'/home/\u0407test',
 
2220
            osutils._posix_path_from_environ('BZR_TEST_PATH'))
 
2221
        osutils._fs_enc = "utf-8"
 
2222
        self.assertRaises(errors.BadFilenameEncoding,
 
2223
            osutils._posix_path_from_environ, 'BZR_TEST_PATH')
 
2224
 
 
2225
 
 
2226
class TestGetHomeDir(tests.TestCase):
 
2227
 
 
2228
    def test_is_unicode(self):
 
2229
        home = osutils._get_home_dir()
 
2230
        self.assertIsInstance(home, unicode)
 
2231
 
 
2232
    def test_posix_homeless(self):
 
2233
        self.overrideEnv('HOME', None)
 
2234
        home = osutils._get_home_dir()
 
2235
        self.assertIsInstance(home, unicode)
 
2236
 
 
2237
    def test_posix_home_ascii(self):
 
2238
        self.overrideEnv('HOME', '/home/test')
 
2239
        home = osutils._posix_get_home_dir()
 
2240
        self.assertIsInstance(home, unicode)
 
2241
        self.assertEqual(u'/home/test', home)
 
2242
 
 
2243
    def test_posix_home_unicode(self):
 
2244
        self.requireFeature(features.ByteStringNamedFilesystem)
 
2245
        self.overrideEnv('HOME', '/home/\xa7test')
 
2246
        self.overrideAttr(osutils, "_fs_enc", "iso8859-1")
 
2247
        self.assertEqual(u'/home/\xa7test', osutils._posix_get_home_dir())
 
2248
        osutils._fs_enc = "iso8859-5"
 
2249
        self.assertEqual(u'/home/\u0407test', osutils._posix_get_home_dir())
 
2250
        osutils._fs_enc = "utf-8"
 
2251
        self.assertRaises(errors.BadFilenameEncoding,
 
2252
            osutils._posix_get_home_dir)
2093
2253
 
2094
2254
 
2095
2255
class TestGetuserUnicode(tests.TestCase):
2096
2256
 
 
2257
    def test_is_unicode(self):
 
2258
        user = osutils.getuser_unicode()
 
2259
        self.assertIsInstance(user, unicode)
 
2260
 
 
2261
    def envvar_to_override(self):
 
2262
        if sys.platform == "win32":
 
2263
            # Disable use of platform calls on windows so envvar is used
 
2264
            self.overrideAttr(win32utils, 'has_ctypes', False)
 
2265
            return 'USERNAME' # only variable used on windows
 
2266
        return 'LOGNAME' # first variable checked by getpass.getuser()
 
2267
 
2097
2268
    def test_ascii_user(self):
2098
 
        self.overrideEnv('LOGNAME', 'jrandom')
 
2269
        self.overrideEnv(self.envvar_to_override(), 'jrandom')
2099
2270
        self.assertEqual(u'jrandom', osutils.getuser_unicode())
2100
2271
 
2101
2272
    def test_unicode_user(self):
2107
2278
                % (osutils.get_user_encoding(),))
2108
2279
        uni_username = u'jrandom' + uni_val
2109
2280
        encoded_username = uni_username.encode(ue)
2110
 
        self.overrideEnv('LOGNAME', encoded_username)
 
2281
        self.overrideEnv(self.envvar_to_override(), encoded_username)
2111
2282
        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
2283
 
2121
2284
 
2122
2285
class TestBackupNames(tests.TestCase):
2162
2325
        self.assertTrue(
2163
2326
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
2164
2327
        self.assertTrue(osutils.find_executable_on_path('file.txt') is None)
 
2328
        
 
2329
    def test_windows_app_path(self):
 
2330
        if sys.platform != 'win32':
 
2331
            raise tests.TestSkipped('test requires win32')
 
2332
        # Override PATH env var so that exe can only be found on App Path
 
2333
        self.overrideEnv('PATH', '')
 
2334
        # Internt Explorer is always registered in the App Path
 
2335
        self.assertTrue(osutils.find_executable_on_path('iexplore') is not None)
2165
2336
 
2166
2337
    def test_other(self):
2167
2338
        if sys.platform == 'win32':
2169
2340
        self.assertTrue(osutils.find_executable_on_path('sh') is not None)
2170
2341
        self.assertTrue(
2171
2342
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
 
2343
 
 
2344
 
 
2345
class TestEnvironmentErrors(tests.TestCase):
 
2346
    """Test handling of environmental errors"""
 
2347
 
 
2348
    def test_is_oserror(self):
 
2349
        self.assertTrue(osutils.is_environment_error(
 
2350
            OSError(errno.EINVAL, "Invalid parameter")))
 
2351
 
 
2352
    def test_is_ioerror(self):
 
2353
        self.assertTrue(osutils.is_environment_error(
 
2354
            IOError(errno.EINVAL, "Invalid parameter")))
 
2355
 
 
2356
    def test_is_socket_error(self):
 
2357
        self.assertTrue(osutils.is_environment_error(
 
2358
            socket.error(errno.EINVAL, "Invalid parameter")))
 
2359
 
 
2360
    def test_is_select_error(self):
 
2361
        self.assertTrue(osutils.is_environment_error(
 
2362
            select.error(errno.EINVAL, "Invalid parameter")))
 
2363
 
 
2364
    def test_is_pywintypes_error(self):
 
2365
        self.requireFeature(features.pywintypes)
 
2366
        import pywintypes
 
2367
        self.assertTrue(osutils.is_environment_error(
 
2368
            pywintypes.error(errno.EINVAL, "Invalid parameter", "Caller")))