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bzrlib/tests/test_osutils.py
1
 
# Copyright (C) 2005-2010 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
 
import stat
25
25
import sys
 
26
import tempfile
26
27
import time
27
28
 
28
29
from bzrlib import (
29
30
    errors,
 
31
    lazy_regex,
30
32
    osutils,
 
33
    symbol_versioning,
31
34
    tests,
32
35
    trace,
33
36
    win32utils,
37
40
    file_utils,
38
41
    test__walkdirs_win32,
39
42
    )
40
 
 
41
 
 
42
 
class _UTF8DirReaderFeature(tests.Feature):
 
43
from bzrlib.tests.scenarios import load_tests_apply_scenarios
 
44
 
 
45
 
 
46
class _UTF8DirReaderFeature(features.Feature):
43
47
 
44
48
    def _probe(self):
45
49
        try:
52
56
    def feature_name(self):
53
57
        return 'bzrlib._readdir_pyx'
54
58
 
55
 
UTF8DirReaderFeature = _UTF8DirReaderFeature()
 
59
UTF8DirReaderFeature = features.ModuleAvailableFeature('bzrlib._readdir_pyx')
56
60
 
57
 
term_ios_feature = tests.ModuleAvailableFeature('termios')
 
61
term_ios_feature = features.ModuleAvailableFeature('termios')
58
62
 
59
63
 
60
64
def _already_unicode(s):
95
99
    return scenarios
96
100
 
97
101
 
98
 
def load_tests(basic_tests, module, loader):
99
 
    suite = loader.suiteClass()
100
 
    dir_reader_tests, remaining_tests = tests.split_suite_by_condition(
101
 
        basic_tests, tests.condition_isinstance(TestDirReader))
102
 
    tests.multiply_tests(dir_reader_tests, dir_reader_scenarios(), suite)
103
 
    suite.addTest(remaining_tests)
104
 
    return suite
 
102
load_tests = load_tests_apply_scenarios
105
103
 
106
104
 
107
105
class TestContainsWhitespace(tests.TestCase):
108
106
 
109
107
    def test_contains_whitespace(self):
110
 
        self.failUnless(osutils.contains_whitespace(u' '))
111
 
        self.failUnless(osutils.contains_whitespace(u'hello there'))
112
 
        self.failUnless(osutils.contains_whitespace(u'hellothere\n'))
113
 
        self.failUnless(osutils.contains_whitespace(u'hello\nthere'))
114
 
        self.failUnless(osutils.contains_whitespace(u'hello\rthere'))
115
 
        self.failUnless(osutils.contains_whitespace(u'hello\tthere'))
 
108
        self.assertTrue(osutils.contains_whitespace(u' '))
 
109
        self.assertTrue(osutils.contains_whitespace(u'hello there'))
 
110
        self.assertTrue(osutils.contains_whitespace(u'hellothere\n'))
 
111
        self.assertTrue(osutils.contains_whitespace(u'hello\nthere'))
 
112
        self.assertTrue(osutils.contains_whitespace(u'hello\rthere'))
 
113
        self.assertTrue(osutils.contains_whitespace(u'hello\tthere'))
116
114
 
117
115
        # \xa0 is "Non-breaking-space" which on some python locales thinks it
118
116
        # is whitespace, but we do not.
119
 
        self.failIf(osutils.contains_whitespace(u''))
120
 
        self.failIf(osutils.contains_whitespace(u'hellothere'))
121
 
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
 
117
        self.assertFalse(osutils.contains_whitespace(u''))
 
118
        self.assertFalse(osutils.contains_whitespace(u'hellothere'))
 
119
        self.assertFalse(osutils.contains_whitespace(u'hello\xa0there'))
122
120
 
123
121
 
124
122
class TestRename(tests.TestCaseInTempDir):
138
136
        # This should work everywhere
139
137
        self.create_file('a', 'something in a\n')
140
138
        self._fancy_rename('a', 'b')
141
 
        self.failIfExists('a')
142
 
        self.failUnlessExists('b')
 
139
        self.assertPathDoesNotExist('a')
 
140
        self.assertPathExists('b')
143
141
        self.check_file_contents('b', 'something in a\n')
144
142
 
145
143
        self.create_file('a', 'new something in a\n')
152
150
        self.create_file('target', 'data in target\n')
153
151
        self.assertRaises((IOError, OSError), self._fancy_rename,
154
152
                          'missingsource', 'target')
155
 
        self.failUnlessExists('target')
 
153
        self.assertPathExists('target')
156
154
        self.check_file_contents('target', 'data in target\n')
157
155
 
158
156
    def test_fancy_rename_fails_if_source_and_target_missing(self):
163
161
        # Rename should be semi-atomic on all platforms
164
162
        self.create_file('a', 'something in a\n')
165
163
        osutils.rename('a', 'b')
166
 
        self.failIfExists('a')
167
 
        self.failUnlessExists('b')
 
164
        self.assertPathDoesNotExist('a')
 
165
        self.assertPathExists('b')
168
166
        self.check_file_contents('b', 'something in a\n')
169
167
 
170
168
        self.create_file('a', 'new something in a\n')
182
180
        # we can't use failUnlessExists on case-insensitive filesystem
183
181
        # so try to check shape of the tree
184
182
        shape = sorted(os.listdir('.'))
185
 
        self.assertEquals(['A', 'B'], shape)
 
183
        self.assertEqual(['A', 'B'], shape)
186
184
 
187
 
    def test_rename_error(self):
188
 
        # We wrap os.rename to make it give an error including the filenames
189
 
        # https://bugs.launchpad.net/bzr/+bug/491763
190
 
        err = self.assertRaises(OSError, osutils.rename,
191
 
            'nonexistent', 'target')
192
 
        self.assertContainsString(str(err), 'nonexistent')
 
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
193
 
194
194
 
195
195
class TestRandChars(tests.TestCase):
222
222
                         (['src'], SRC_FOO_C),
223
223
                         (['src'], 'src'),
224
224
                         ]:
225
 
            self.assert_(osutils.is_inside_any(dirs, fn))
 
225
            self.assertTrue(osutils.is_inside_any(dirs, fn))
226
226
        for dirs, fn in [(['src'], 'srccontrol'),
227
227
                         (['src'], 'srccontrol/foo')]:
228
228
            self.assertFalse(osutils.is_inside_any(dirs, fn))
234
234
                         (['src/bar.c', 'bla/foo.c'], 'src'),
235
235
                         (['src'], 'src'),
236
236
                         ]:
237
 
            self.assert_(osutils.is_inside_or_parent_of_any(dirs, fn))
 
237
            self.assertTrue(osutils.is_inside_or_parent_of_any(dirs, fn))
238
238
 
239
239
        for dirs, fn in [(['src'], 'srccontrol'),
240
240
                         (['srccontrol/foo.c'], 'src'),
242
242
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
243
243
 
244
244
 
 
245
class TestLstat(tests.TestCaseInTempDir):
 
246
 
 
247
    def test_lstat_matches_fstat(self):
 
248
        # On Windows, lstat and fstat don't always agree, primarily in the
 
249
        # 'st_ino' and 'st_dev' fields. So we force them to be '0' in our
 
250
        # custom implementation.
 
251
        if sys.platform == 'win32':
 
252
            # We only have special lstat/fstat if we have the extension.
 
253
            # Without it, we may end up re-reading content when we don't have
 
254
            # to, but otherwise it doesn't effect correctness.
 
255
            self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
256
        f = open('test-file.txt', 'wb')
 
257
        self.addCleanup(f.close)
 
258
        f.write('some content\n')
 
259
        f.flush()
 
260
        self.assertEqualStat(osutils.fstat(f.fileno()),
 
261
                             osutils.lstat('test-file.txt'))
 
262
 
 
263
 
245
264
class TestRmTree(tests.TestCaseInTempDir):
246
265
 
247
266
    def test_rmtree(self):
259
278
 
260
279
        osutils.rmtree('dir')
261
280
 
262
 
        self.failIfExists('dir/file')
263
 
        self.failIfExists('dir')
 
281
        self.assertPathDoesNotExist('dir/file')
 
282
        self.assertPathDoesNotExist('dir')
264
283
 
265
284
 
266
285
class TestDeleteAny(tests.TestCaseInTempDir):
279
298
 
280
299
    def test_file_kind(self):
281
300
        self.build_tree(['file', 'dir/'])
282
 
        self.assertEquals('file', osutils.file_kind('file'))
283
 
        self.assertEquals('directory', osutils.file_kind('dir/'))
 
301
        self.assertEqual('file', osutils.file_kind('file'))
 
302
        self.assertEqual('directory', osutils.file_kind('dir/'))
284
303
        if osutils.has_symlinks():
285
304
            os.symlink('symlink', 'symlink')
286
 
            self.assertEquals('symlink', osutils.file_kind('symlink'))
 
305
            self.assertEqual('symlink', osutils.file_kind('symlink'))
287
306
 
288
307
        # TODO: jam 20060529 Test a block device
289
308
        try:
292
311
            if e.errno not in (errno.ENOENT,):
293
312
                raise
294
313
        else:
295
 
            self.assertEquals('chardev', osutils.file_kind('/dev/null'))
 
314
            self.assertEqual('chardev', osutils.file_kind('/dev/null'))
296
315
 
297
316
        mkfifo = getattr(os, 'mkfifo', None)
298
317
        if mkfifo:
299
318
            mkfifo('fifo')
300
319
            try:
301
 
                self.assertEquals('fifo', osutils.file_kind('fifo'))
 
320
                self.assertEqual('fifo', osutils.file_kind('fifo'))
302
321
            finally:
303
322
                os.remove('fifo')
304
323
 
307
326
            s = socket.socket(AF_UNIX)
308
327
            s.bind('socket')
309
328
            try:
310
 
                self.assertEquals('socket', osutils.file_kind('socket'))
 
329
                self.assertEqual('socket', osutils.file_kind('socket'))
311
330
            finally:
312
331
                os.remove('socket')
313
332
 
418
437
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
419
438
 
420
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
 
421
483
class TestLinks(tests.TestCaseInTempDir):
422
484
 
423
485
    def test_dereference_path(self):
424
 
        self.requireFeature(tests.SymlinkFeature)
 
486
        self.requireFeature(features.SymlinkFeature)
425
487
        cwd = osutils.realpath('.')
426
488
        os.mkdir('bar')
427
489
        bar_path = osutils.pathjoin(cwd, 'bar')
474
536
 
475
537
class TestCanonicalRelPath(tests.TestCaseInTempDir):
476
538
 
477
 
    _test_needs_features = [tests.CaseInsCasePresFilenameFeature]
 
539
    _test_needs_features = [features.CaseInsCasePresFilenameFeature]
478
540
 
479
541
    def test_canonical_relpath_simple(self):
480
542
        f = file('MixedCaseName', 'w')
481
543
        f.close()
482
544
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
483
 
        self.failUnlessEqual('work/MixedCaseName', actual)
 
545
        self.assertEqual('work/MixedCaseName', actual)
484
546
 
485
547
    def test_canonical_relpath_missing_tail(self):
486
548
        os.mkdir('MixedCaseParent')
487
549
        actual = osutils.canonical_relpath(self.test_base_dir,
488
550
                                           'mixedcaseparent/nochild')
489
 
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
 
551
        self.assertEqual('work/MixedCaseParent/nochild', actual)
490
552
 
491
553
 
492
554
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
536
598
    """Test pumpfile method."""
537
599
 
538
600
    def setUp(self):
539
 
        tests.TestCase.setUp(self)
 
601
        super(TestPumpFile, self).setUp()
540
602
        # create a test datablock
541
603
        self.block_size = 512
542
604
        pattern = '0123456789ABCDEF'
810
872
        self.assertEqual(None, osutils.safe_file_id(None))
811
873
 
812
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
 
813
924
class TestWin32Funcs(tests.TestCase):
814
925
    """Test that _win32 versions of os utilities return appropriate paths."""
815
926
 
816
927
    def test_abspath(self):
 
928
        self.requireFeature(features.win32_feature)
817
929
        self.assertEqual('C:/foo', osutils._win32_abspath('C:\\foo'))
818
930
        self.assertEqual('C:/foo', osutils._win32_abspath('C:/foo'))
819
931
        self.assertEqual('//HOST/path', osutils._win32_abspath(r'\\HOST\path'))
832
944
                         osutils._win32_pathjoin('path/to', 'C:/foo'))
833
945
        self.assertEqual('path/to/foo',
834
946
                         osutils._win32_pathjoin('path/to/', 'foo'))
835
 
        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,
836
954
                         osutils._win32_pathjoin('C:/path/to/', '/foo'))
837
 
        self.assertEqual('/foo',
 
955
        self.assertEqual(expected,
838
956
                         osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
839
957
 
840
958
    def test_normpath(self):
860
978
        self.assertEqual('C:\\foo', osutils._win32_fixdrive('c:\\foo'))
861
979
 
862
980
    def test_win98_abspath(self):
 
981
        self.requireFeature(features.win32_feature)
863
982
        # absolute path
864
983
        self.assertEqual('C:/foo', osutils._win98_abspath('C:\\foo'))
865
984
        self.assertEqual('C:/foo', osutils._win98_abspath('C:/foo'))
868
987
        self.assertEqual('//HOST/path', osutils._win98_abspath('//HOST/path'))
869
988
        # relative path
870
989
        cwd = osutils.getcwd().rstrip('/')
871
 
        drive = osutils._nt_splitdrive(cwd)[0]
 
990
        drive = osutils.ntpath.splitdrive(cwd)[0]
872
991
        self.assertEqual(cwd+'/path', osutils._win98_abspath('path'))
873
992
        self.assertEqual(drive+'/path', osutils._win98_abspath('/path'))
874
993
        # unicode path
880
999
    """Test win32 functions that create files."""
881
1000
 
882
1001
    def test_getcwd(self):
883
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1002
        self.requireFeature(features.UnicodeFilenameFeature)
884
1003
        os.mkdir(u'mu-\xb5')
885
1004
        os.chdir(u'mu-\xb5')
886
1005
        # TODO: jam 20060427 This will probably fail on Mac OSX because
916
1035
        b.close()
917
1036
 
918
1037
        osutils._win32_rename('b', 'a')
919
 
        self.failUnlessExists('a')
920
 
        self.failIfExists('b')
 
1038
        self.assertPathExists('a')
 
1039
        self.assertPathDoesNotExist('b')
921
1040
        self.assertFileEqual('baz\n', 'a')
922
1041
 
923
1042
    def test_rename_missing_file(self):
976
1095
    """Test mac special functions that require directories."""
977
1096
 
978
1097
    def test_getcwd(self):
979
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1098
        self.requireFeature(features.UnicodeFilenameFeature)
980
1099
        os.mkdir(u'B\xe5gfors')
981
1100
        os.chdir(u'B\xe5gfors')
982
1101
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
983
1102
 
984
1103
    def test_getcwd_nonnorm(self):
985
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1104
        self.requireFeature(features.UnicodeFilenameFeature)
986
1105
        # Test that _mac_getcwd() will normalize this path
987
1106
        os.mkdir(u'Ba\u030agfors')
988
1107
        os.chdir(u'Ba\u030agfors')
1071
1190
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
1072
1191
 
1073
1192
    def test_walkdirs_os_error(self):
1074
 
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
 
1193
        # <https://bugs.launchpad.net/bzr/+bug/338653>
1075
1194
        # Pyrex readdir didn't raise useful messages if it had an error
1076
1195
        # reading the directory
1077
1196
        if sys.platform == 'win32':
1078
1197
            raise tests.TestNotApplicable(
1079
1198
                "readdir IOError not tested on win32")
 
1199
        self.requireFeature(features.not_running_as_root)
1080
1200
        os.mkdir("test-unreadable")
1081
1201
        os.chmod("test-unreadable", 0000)
1082
1202
        # must chmod it back so that it can be removed
1085
1205
        # (It would be ok if it happened earlier but at the moment it
1086
1206
        # doesn't.)
1087
1207
        e = self.assertRaises(OSError, list, osutils._walkdirs_utf8("."))
1088
 
        self.assertEquals('./test-unreadable', e.filename)
1089
 
        self.assertEquals(errno.EACCES, e.errno)
 
1208
        self.assertEqual('./test-unreadable', e.filename)
 
1209
        self.assertEqual(errno.EACCES, e.errno)
1090
1210
        # Ensure the message contains the file name
1091
1211
        self.assertContainsRe(str(e), "\./test-unreadable")
1092
1212
 
 
1213
 
 
1214
    def test_walkdirs_encoding_error(self):
 
1215
        # <https://bugs.launchpad.net/bzr/+bug/488519>
 
1216
        # walkdirs didn't raise a useful message when the filenames
 
1217
        # are not using the filesystem's encoding
 
1218
 
 
1219
        # require a bytestring based filesystem
 
1220
        self.requireFeature(features.ByteStringNamedFilesystem)
 
1221
 
 
1222
        tree = [
 
1223
            '.bzr',
 
1224
            '0file',
 
1225
            '1dir/',
 
1226
            '1dir/0file',
 
1227
            '1dir/1dir/',
 
1228
            '1file'
 
1229
            ]
 
1230
 
 
1231
        self.build_tree(tree)
 
1232
 
 
1233
        # rename the 1file to a latin-1 filename
 
1234
        os.rename("./1file", "\xe8file")
 
1235
        if "\xe8file" not in os.listdir("."):
 
1236
            self.skip("Lack filesystem that preserves arbitrary bytes")
 
1237
 
 
1238
        self._save_platform_info()
 
1239
        win32utils.winver = None # Avoid the win32 detection code
 
1240
        osutils._fs_enc = 'UTF-8'
 
1241
 
 
1242
        # this should raise on error
 
1243
        def attempt():
 
1244
            for dirdetail, dirblock in osutils.walkdirs('.'):
 
1245
                pass
 
1246
 
 
1247
        self.assertRaises(errors.BadFilenameEncoding, attempt)
 
1248
 
1093
1249
    def test__walkdirs_utf8(self):
1094
1250
        tree = [
1095
1251
            '.bzr',
1161
1317
        self.requireFeature(UTF8DirReaderFeature)
1162
1318
        self._save_platform_info()
1163
1319
        win32utils.winver = None # Avoid the win32 detection code
1164
 
        osutils._fs_enc = 'UTF-8'
1165
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1320
        osutils._fs_enc = 'utf-8'
 
1321
        self.assertDirReaderIs(
 
1322
            UTF8DirReaderFeature.module.UTF8DirReader)
1166
1323
 
1167
1324
    def test_force_walkdirs_utf8_fs_ascii(self):
1168
1325
        self.requireFeature(UTF8DirReaderFeature)
1169
1326
        self._save_platform_info()
1170
1327
        win32utils.winver = None # Avoid the win32 detection code
1171
 
        osutils._fs_enc = 'US-ASCII'
1172
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
1173
 
 
1174
 
    def test_force_walkdirs_utf8_fs_ANSI(self):
1175
 
        self.requireFeature(UTF8DirReaderFeature)
1176
 
        self._save_platform_info()
1177
 
        win32utils.winver = None # Avoid the win32 detection code
1178
 
        osutils._fs_enc = 'ANSI_X3.4-1968'
1179
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1328
        osutils._fs_enc = 'ascii'
 
1329
        self.assertDirReaderIs(
 
1330
            UTF8DirReaderFeature.module.UTF8DirReader)
1180
1331
 
1181
1332
    def test_force_walkdirs_utf8_fs_latin1(self):
1182
1333
        self._save_platform_info()
1183
1334
        win32utils.winver = None # Avoid the win32 detection code
1184
 
        osutils._fs_enc = 'latin1'
 
1335
        osutils._fs_enc = 'iso-8859-1'
1185
1336
        self.assertDirReaderIs(osutils.UnicodeDirReader)
1186
1337
 
1187
1338
    def test_force_walkdirs_utf8_nt(self):
1200
1351
 
1201
1352
    def test_unicode_walkdirs(self):
1202
1353
        """Walkdirs should always return unicode paths."""
1203
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1354
        self.requireFeature(features.UnicodeFilenameFeature)
1204
1355
        name0 = u'0file-\xb6'
1205
1356
        name1 = u'1dir-\u062c\u0648'
1206
1357
        name2 = u'2file-\u0633'
1243
1394
 
1244
1395
        The abspath portion might be in unicode or utf-8
1245
1396
        """
1246
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1397
        self.requireFeature(features.UnicodeFilenameFeature)
1247
1398
        name0 = u'0file-\xb6'
1248
1399
        name1 = u'1dir-\u062c\u0648'
1249
1400
        name2 = u'2file-\u0633'
1304
1455
 
1305
1456
        The abspath portion should be in unicode
1306
1457
        """
1307
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1458
        self.requireFeature(features.UnicodeFilenameFeature)
1308
1459
        # Use the unicode reader. TODO: split into driver-and-driven unit
1309
1460
        # tests.
1310
1461
        self._save_platform_info()
1351
1502
 
1352
1503
    def test__walkdirs_utf8_win32readdir(self):
1353
1504
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1354
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1505
        self.requireFeature(features.UnicodeFilenameFeature)
1355
1506
        from bzrlib._walkdirs_win32 import Win32ReadDir
1356
1507
        self._save_platform_info()
1357
1508
        osutils._selected_dir_reader = Win32ReadDir()
1408
1559
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1409
1560
        """make sure our Stat values are valid"""
1410
1561
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1411
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1562
        self.requireFeature(features.UnicodeFilenameFeature)
1412
1563
        from bzrlib._walkdirs_win32 import Win32ReadDir
1413
1564
        name0u = u'0file-\xb6'
1414
1565
        name0 = name0u.encode('utf8')
1432
1583
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1433
1584
        """make sure our Stat values are valid"""
1434
1585
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1435
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1586
        self.requireFeature(features.UnicodeFilenameFeature)
1436
1587
        from bzrlib._walkdirs_win32 import Win32ReadDir
1437
1588
        name0u = u'0dir-\u062c\u0648'
1438
1589
        name0 = name0u.encode('utf8')
1538
1689
        self.assertEqual(['c'], os.listdir('target/b'))
1539
1690
 
1540
1691
    def test_copy_tree_symlinks(self):
1541
 
        self.requireFeature(tests.SymlinkFeature)
 
1692
        self.requireFeature(features.SymlinkFeature)
1542
1693
        self.build_tree(['source/'])
1543
1694
        os.symlink('a/generic/path', 'source/lnk')
1544
1695
        osutils.copy_tree('source', 'target')
1569
1720
                          ('d', 'source/b', 'target/b'),
1570
1721
                          ('f', 'source/b/c', 'target/b/c'),
1571
1722
                         ], processed_files)
1572
 
        self.failIfExists('target')
 
1723
        self.assertPathDoesNotExist('target')
1573
1724
        if osutils.has_symlinks():
1574
1725
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
1575
1726
 
1621
1772
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', None)
1622
1773
        self.assertEqual('foo', old)
1623
1774
        self.assertEqual(None, os.environ.get('BZR_TEST_ENV_VAR'))
1624
 
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
 
1775
        self.assertFalse('BZR_TEST_ENV_VAR' in os.environ)
1625
1776
 
1626
1777
 
1627
1778
class TestSizeShaFile(tests.TestCaseInTempDir):
1678
1829
 
1679
1830
class TestReCompile(tests.TestCase):
1680
1831
 
 
1832
    def _deprecated_re_compile_checked(self, *args, **kwargs):
 
1833
        return self.applyDeprecated(symbol_versioning.deprecated_in((2, 2, 0)),
 
1834
            osutils.re_compile_checked, *args, **kwargs)
 
1835
 
1681
1836
    def test_re_compile_checked(self):
1682
 
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
 
1837
        r = self._deprecated_re_compile_checked(r'A*', re.IGNORECASE)
1683
1838
        self.assertTrue(r.match('aaaa'))
1684
1839
        self.assertTrue(r.match('aAaA'))
1685
1840
 
1686
1841
    def test_re_compile_checked_error(self):
1687
1842
        # like https://bugs.launchpad.net/bzr/+bug/251352
 
1843
 
 
1844
        # Due to possible test isolation error, re.compile is not lazy at
 
1845
        # this point. We re-install lazy compile.
 
1846
        lazy_regex.install_lazy_compile()
1688
1847
        err = self.assertRaises(
1689
1848
            errors.BzrCommandError,
1690
 
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
 
1849
            self._deprecated_re_compile_checked, '*', re.IGNORECASE, 'test case')
1691
1850
        self.assertEqual(
1692
 
            "Invalid regular expression in test case: '*': "
1693
 
            "nothing to repeat",
 
1851
            'Invalid regular expression in test case: '
 
1852
            '"*" nothing to repeat',
1694
1853
            str(err))
1695
1854
 
1696
1855
 
1697
1856
class TestDirReader(tests.TestCaseInTempDir):
1698
1857
 
 
1858
    scenarios = dir_reader_scenarios()
 
1859
 
1699
1860
    # Set by load_tests
1700
1861
    _dir_reader_class = None
1701
1862
    _native_to_unicode = None
1702
1863
 
1703
1864
    def setUp(self):
1704
 
        tests.TestCaseInTempDir.setUp(self)
 
1865
        super(TestDirReader, self).setUp()
1705
1866
        self.overrideAttr(osutils,
1706
1867
                          '_selected_dir_reader', self._dir_reader_class())
1707
1868
 
1801
1962
        return filtered_dirblocks
1802
1963
 
1803
1964
    def test_walk_unicode_tree(self):
1804
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1965
        self.requireFeature(features.UnicodeFilenameFeature)
1805
1966
        tree, expected_dirblocks = self._get_unicode_tree()
1806
1967
        self.build_tree(tree)
1807
1968
        result = list(osutils._walkdirs_utf8('.'))
1808
1969
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1809
1970
 
1810
1971
    def test_symlink(self):
1811
 
        self.requireFeature(tests.SymlinkFeature)
1812
 
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1972
        self.requireFeature(features.SymlinkFeature)
 
1973
        self.requireFeature(features.UnicodeFilenameFeature)
1813
1974
        target = u'target\N{Euro Sign}'
1814
1975
        link_name = u'l\N{Euro Sign}nk'
1815
1976
        os.symlink(target, link_name)
1833
1994
    But prior python versions failed to properly encode the passed unicode
1834
1995
    string.
1835
1996
    """
1836
 
    _test_needs_features = [tests.SymlinkFeature, tests.UnicodeFilenameFeature]
 
1997
    _test_needs_features = [features.SymlinkFeature, features.UnicodeFilenameFeature]
1837
1998
 
1838
1999
    def setUp(self):
1839
2000
        super(tests.TestCaseInTempDir, self).setUp()
1842
2003
        os.symlink(self.target, self.link)
1843
2004
 
1844
2005
    def test_os_readlink_link_encoding(self):
1845
 
        if sys.version_info < (2, 6):
1846
 
            self.assertRaises(UnicodeEncodeError, os.readlink, self.link)
1847
 
        else:
1848
 
            self.assertEquals(self.target,  os.readlink(self.link))
 
2006
        self.assertEqual(self.target,  os.readlink(self.link))
1849
2007
 
1850
2008
    def test_os_readlink_link_decoding(self):
1851
 
        self.assertEquals(self.target.encode(osutils._fs_enc),
 
2009
        self.assertEqual(self.target.encode(osutils._fs_enc),
1852
2010
                          os.readlink(self.link.encode(osutils._fs_enc)))
1853
2011
 
1854
2012
 
1863
2021
        self.assertIsInstance(concurrency, int)
1864
2022
 
1865
2023
    def test_local_concurrency_environment_variable(self):
1866
 
        os.environ['BZR_CONCURRENCY'] = '2'
 
2024
        self.overrideEnv('BZR_CONCURRENCY', '2')
1867
2025
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
1868
 
        os.environ['BZR_CONCURRENCY'] = '3'
 
2026
        self.overrideEnv('BZR_CONCURRENCY', '3')
1869
2027
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
1870
 
        os.environ['BZR_CONCURRENCY'] = 'foo'
 
2028
        self.overrideEnv('BZR_CONCURRENCY', 'foo')
1871
2029
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
1872
2030
 
1873
2031
    def test_option_concurrency(self):
1874
 
        os.environ['BZR_CONCURRENCY'] = '1'
 
2032
        self.overrideEnv('BZR_CONCURRENCY', '1')
1875
2033
        self.run_bzr('rocks --concurrency 42')
1876
 
        # Command line overrides envrionment variable
1877
 
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
1878
 
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
 
2034
        # Command line overrides environment variable
 
2035
        self.assertEqual('42', os.environ['BZR_CONCURRENCY'])
 
2036
        self.assertEqual(42, osutils.local_concurrency(use_cache=False))
1879
2037
 
1880
2038
 
1881
2039
class TestFailedToLoadExtension(tests.TestCase):
1894
2052
    def test_failure_to_load(self):
1895
2053
        self._try_loading()
1896
2054
        self.assertLength(1, osutils._extension_load_failures)
1897
 
        self.assertEquals(osutils._extension_load_failures[0],
 
2055
        self.assertEqual(osutils._extension_load_failures[0],
1898
2056
            "No module named _fictional_extension_py")
1899
2057
 
1900
2058
    def test_report_extension_load_failures_no_warning(self):
1917
2075
 
1918
2076
class TestTerminalWidth(tests.TestCase):
1919
2077
 
 
2078
    def setUp(self):
 
2079
        super(TestTerminalWidth, self).setUp()
 
2080
        self._orig_terminal_size_state = osutils._terminal_size_state
 
2081
        self._orig_first_terminal_size = osutils._first_terminal_size
 
2082
        self.addCleanup(self.restore_osutils_globals)
 
2083
        osutils._terminal_size_state = 'no_data'
 
2084
        osutils._first_terminal_size = None
 
2085
 
 
2086
    def restore_osutils_globals(self):
 
2087
        osutils._terminal_size_state = self._orig_terminal_size_state
 
2088
        osutils._first_terminal_size = self._orig_first_terminal_size
 
2089
 
1920
2090
    def replace_stdout(self, new):
1921
2091
        self.overrideAttr(sys, 'stdout', new)
1922
2092
 
1937
2107
    def test_defaults_to_BZR_COLUMNS(self):
1938
2108
        # BZR_COLUMNS is set by the test framework
1939
2109
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
1940
 
        os.environ['BZR_COLUMNS'] = '12'
 
2110
        self.overrideEnv('BZR_COLUMNS', '12')
1941
2111
        self.assertEqual(12, osutils.terminal_width())
1942
2112
 
 
2113
    def test_BZR_COLUMNS_0_no_limit(self):
 
2114
        self.overrideEnv('BZR_COLUMNS', '0')
 
2115
        self.assertEqual(None, osutils.terminal_width())
 
2116
 
1943
2117
    def test_falls_back_to_COLUMNS(self):
1944
 
        del os.environ['BZR_COLUMNS']
 
2118
        self.overrideEnv('BZR_COLUMNS', None)
1945
2119
        self.assertNotEqual('42', os.environ['COLUMNS'])
1946
2120
        self.set_fake_tty()
1947
 
        os.environ['COLUMNS'] = '42'
 
2121
        self.overrideEnv('COLUMNS', '42')
1948
2122
        self.assertEqual(42, osutils.terminal_width())
1949
2123
 
1950
2124
    def test_tty_default_without_columns(self):
1951
 
        del os.environ['BZR_COLUMNS']
1952
 
        del os.environ['COLUMNS']
 
2125
        self.overrideEnv('BZR_COLUMNS', None)
 
2126
        self.overrideEnv('COLUMNS', None)
1953
2127
 
1954
2128
        def terminal_size(w, h):
1955
2129
            return 42, 42
1962
2136
        self.assertEqual(42, osutils.terminal_width())
1963
2137
 
1964
2138
    def test_non_tty_default_without_columns(self):
1965
 
        del os.environ['BZR_COLUMNS']
1966
 
        del os.environ['COLUMNS']
 
2139
        self.overrideEnv('BZR_COLUMNS', None)
 
2140
        self.overrideEnv('COLUMNS', None)
1967
2141
        self.replace_stdout(None)
1968
2142
        self.assertEqual(None, osutils.terminal_width())
1969
2143
 
1979
2153
        else:
1980
2154
            self.overrideAttr(termios, 'TIOCGWINSZ')
1981
2155
            del termios.TIOCGWINSZ
1982
 
        del os.environ['BZR_COLUMNS']
1983
 
        del os.environ['COLUMNS']
 
2156
        self.overrideEnv('BZR_COLUMNS', None)
 
2157
        self.overrideEnv('COLUMNS', None)
1984
2158
        # Whatever the result is, if we don't raise an exception, it's ok.
1985
2159
        osutils.terminal_width()
1986
2160
 
 
2161
 
1987
2162
class TestCreationOps(tests.TestCaseInTempDir):
1988
2163
    _test_needs_features = [features.chown_feature]
1989
2164
 
1990
2165
    def setUp(self):
1991
 
        tests.TestCaseInTempDir.setUp(self)
 
2166
        super(TestCreationOps, self).setUp()
1992
2167
        self.overrideAttr(os, 'chown', self._dummy_chown)
1993
2168
 
1994
2169
        # params set by call to _dummy_chown
2004
2179
        osutils.copy_ownership_from_path('test_file', ownsrc)
2005
2180
 
2006
2181
        s = os.stat(ownsrc)
2007
 
        self.assertEquals(self.path, 'test_file')
2008
 
        self.assertEquals(self.uid, s.st_uid)
2009
 
        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)
2010
2185
 
2011
2186
    def test_copy_ownership_nonesrc(self):
2012
2187
        """copy_ownership_from_path test with src=None."""
2015
2190
        osutils.copy_ownership_from_path('test_file')
2016
2191
 
2017
2192
        s = os.stat('..')
2018
 
        self.assertEquals(self.path, 'test_file')
2019
 
        self.assertEquals(self.uid, s.st_uid)
2020
 
        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)
 
2253
 
 
2254
 
 
2255
class TestGetuserUnicode(tests.TestCase):
 
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
 
 
2268
    def test_ascii_user(self):
 
2269
        self.overrideEnv(self.envvar_to_override(), 'jrandom')
 
2270
        self.assertEqual(u'jrandom', osutils.getuser_unicode())
 
2271
 
 
2272
    def test_unicode_user(self):
 
2273
        ue = osutils.get_user_encoding()
 
2274
        uni_val, env_val = tests.probe_unicode_in_user_encoding()
 
2275
        if uni_val is None:
 
2276
            raise tests.TestSkipped(
 
2277
                'Cannot find a unicode character that works in encoding %s'
 
2278
                % (osutils.get_user_encoding(),))
 
2279
        uni_username = u'jrandom' + uni_val
 
2280
        encoded_username = uni_username.encode(ue)
 
2281
        self.overrideEnv(self.envvar_to_override(), encoded_username)
 
2282
        self.assertEqual(uni_username, osutils.getuser_unicode())
 
2283
 
 
2284
 
 
2285
class TestBackupNames(tests.TestCase):
 
2286
 
 
2287
    def setUp(self):
 
2288
        super(TestBackupNames, self).setUp()
 
2289
        self.backups = []
 
2290
 
 
2291
    def backup_exists(self, name):
 
2292
        return name in self.backups
 
2293
 
 
2294
    def available_backup_name(self, name):
 
2295
        backup_name = osutils.available_backup_name(name, self.backup_exists)
 
2296
        self.backups.append(backup_name)
 
2297
        return backup_name
 
2298
 
 
2299
    def assertBackupName(self, expected, name):
 
2300
        self.assertEqual(expected, self.available_backup_name(name))
 
2301
 
 
2302
    def test_empty(self):
 
2303
        self.assertBackupName('file.~1~', 'file')
 
2304
 
 
2305
    def test_existing(self):
 
2306
        self.available_backup_name('file')
 
2307
        self.available_backup_name('file')
 
2308
        self.assertBackupName('file.~3~', 'file')
 
2309
        # Empty slots are found, this is not a strict requirement and may be
 
2310
        # revisited if we test against all implementations.
 
2311
        self.backups.remove('file.~2~')
 
2312
        self.assertBackupName('file.~2~', 'file')
 
2313
 
 
2314
 
 
2315
class TestFindExecutableInPath(tests.TestCase):
 
2316
 
 
2317
    def test_windows(self):
 
2318
        if sys.platform != 'win32':
 
2319
            raise tests.TestSkipped('test requires win32')
 
2320
        self.assertTrue(osutils.find_executable_on_path('explorer') is not None)
 
2321
        self.assertTrue(
 
2322
            osutils.find_executable_on_path('explorer.exe') is not None)
 
2323
        self.assertTrue(
 
2324
            osutils.find_executable_on_path('EXPLORER.EXE') is not None)
 
2325
        self.assertTrue(
 
2326
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
 
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)
 
2336
 
 
2337
    def test_other(self):
 
2338
        if sys.platform == 'win32':
 
2339
            raise tests.TestSkipped('test requires non-win32')
 
2340
        self.assertTrue(osutils.find_executable_on_path('sh') is not None)
 
2341
        self.assertTrue(
 
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")))