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Viewing changes to bzrlib/tests/test_osutils.py

  • Committer: Vincent Ladeuil
  • Date: 2009-04-08 13:13:30 UTC
  • mfrom: (4202.4.3 348459-wrong-annotation)
  • mto: This revision was merged to the branch mainline in revision 4273.
  • Revision ID: v.ladeuil+lp@free.fr-20090408131330-mx1hq45oarrxia2z
Allows external annotation tie-breakers

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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
 
    trace,
34
32
    win32utils,
35
33
    )
 
34
from bzrlib.errors import BzrBadParameterNotUnicode, InvalidURL
 
35
from bzrlib.osutils import (
 
36
        canonical_relpath,
 
37
        )
36
38
from bzrlib.tests import (
37
 
    features,
38
 
    file_utils,
39
 
    test__walkdirs_win32,
 
39
        Feature,
 
40
        probe_unicode_in_user_encoding,
 
41
        StringIOWrapper,
 
42
        SymlinkFeature,
 
43
        CaseInsCasePresFilenameFeature,
 
44
        TestCase,
 
45
        TestCaseInTempDir,
 
46
        TestSkipped,
 
47
        )
 
48
from bzrlib.tests.file_utils import (
 
49
    FakeReadFile,
40
50
    )
41
 
from bzrlib.tests.scenarios import load_tests_apply_scenarios
42
 
 
43
 
 
44
 
class _UTF8DirReaderFeature(tests.Feature):
 
51
from bzrlib.tests.test__walkdirs_win32 import Win32ReadDirFeature
 
52
 
 
53
 
 
54
class _UTF8DirReaderFeature(Feature):
45
55
 
46
56
    def _probe(self):
47
57
        try:
56
66
 
57
67
UTF8DirReaderFeature = _UTF8DirReaderFeature()
58
68
 
59
 
term_ios_feature = tests.ModuleAvailableFeature('termios')
60
 
 
61
 
 
62
 
def _already_unicode(s):
63
 
    return s
64
 
 
65
 
 
66
 
def _utf8_to_unicode(s):
67
 
    return s.decode('UTF-8')
68
 
 
69
 
 
70
 
def dir_reader_scenarios():
71
 
    # For each dir reader we define:
72
 
 
73
 
    # - native_to_unicode: a function converting the native_abspath as returned
74
 
    #   by DirReader.read_dir to its unicode representation
75
 
 
76
 
    # UnicodeDirReader is the fallback, it should be tested on all platforms.
77
 
    scenarios = [('unicode',
78
 
                  dict(_dir_reader_class=osutils.UnicodeDirReader,
79
 
                       _native_to_unicode=_already_unicode))]
80
 
    # Some DirReaders are platform specific and even there they may not be
81
 
    # available.
82
 
    if UTF8DirReaderFeature.available():
83
 
        from bzrlib import _readdir_pyx
84
 
        scenarios.append(('utf8',
85
 
                          dict(_dir_reader_class=_readdir_pyx.UTF8DirReader,
86
 
                               _native_to_unicode=_utf8_to_unicode)))
87
 
 
88
 
    if test__walkdirs_win32.win32_readdir_feature.available():
89
 
        try:
90
 
            from bzrlib import _walkdirs_win32
91
 
            scenarios.append(
92
 
                ('win32',
93
 
                 dict(_dir_reader_class=_walkdirs_win32.Win32ReadDir,
94
 
                      _native_to_unicode=_already_unicode)))
95
 
        except ImportError:
96
 
            pass
97
 
    return scenarios
98
 
 
99
 
 
100
 
load_tests = load_tests_apply_scenarios
101
 
 
102
 
 
103
 
class TestContainsWhitespace(tests.TestCase):
 
69
 
 
70
class TestOSUtils(TestCaseInTempDir):
104
71
 
105
72
    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'))
 
73
        self.failUnless(osutils.contains_whitespace(u' '))
 
74
        self.failUnless(osutils.contains_whitespace(u'hello there'))
 
75
        self.failUnless(osutils.contains_whitespace(u'hellothere\n'))
 
76
        self.failUnless(osutils.contains_whitespace(u'hello\nthere'))
 
77
        self.failUnless(osutils.contains_whitespace(u'hello\rthere'))
 
78
        self.failUnless(osutils.contains_whitespace(u'hello\tthere'))
112
79
 
113
80
        # \xa0 is "Non-breaking-space" which on some python locales thinks it
114
81
        # is whitespace, but we do not.
115
 
        self.assertFalse(osutils.contains_whitespace(u''))
116
 
        self.assertFalse(osutils.contains_whitespace(u'hellothere'))
117
 
        self.assertFalse(osutils.contains_whitespace(u'hello\xa0there'))
118
 
 
119
 
 
120
 
class TestRename(tests.TestCaseInTempDir):
121
 
 
122
 
    def create_file(self, filename, content):
123
 
        f = open(filename, 'wb')
124
 
        try:
125
 
            f.write(content)
126
 
        finally:
127
 
            f.close()
128
 
 
129
 
    def _fancy_rename(self, a, b):
130
 
        osutils.fancy_rename(a, b, rename_func=os.rename,
131
 
                             unlink_func=os.unlink)
 
82
        self.failIf(osutils.contains_whitespace(u''))
 
83
        self.failIf(osutils.contains_whitespace(u'hellothere'))
 
84
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
132
85
 
133
86
    def test_fancy_rename(self):
134
87
        # This should work everywhere
135
 
        self.create_file('a', 'something in a\n')
136
 
        self._fancy_rename('a', 'b')
137
 
        self.assertPathDoesNotExist('a')
138
 
        self.assertPathExists('b')
 
88
        def rename(a, b):
 
89
            osutils.fancy_rename(a, b,
 
90
                    rename_func=os.rename,
 
91
                    unlink_func=os.unlink)
 
92
 
 
93
        open('a', 'wb').write('something in a\n')
 
94
        rename('a', 'b')
 
95
        self.failIfExists('a')
 
96
        self.failUnlessExists('b')
139
97
        self.check_file_contents('b', 'something in a\n')
140
98
 
141
 
        self.create_file('a', 'new something in a\n')
142
 
        self._fancy_rename('b', 'a')
 
99
        open('a', 'wb').write('new something in a\n')
 
100
        rename('b', 'a')
143
101
 
144
102
        self.check_file_contents('a', 'something in a\n')
145
103
 
146
 
    def test_fancy_rename_fails_source_missing(self):
147
 
        # An exception should be raised, and the target should be left in place
148
 
        self.create_file('target', 'data in target\n')
149
 
        self.assertRaises((IOError, OSError), self._fancy_rename,
150
 
                          'missingsource', 'target')
151
 
        self.assertPathExists('target')
152
 
        self.check_file_contents('target', 'data in target\n')
153
 
 
154
 
    def test_fancy_rename_fails_if_source_and_target_missing(self):
155
 
        self.assertRaises((IOError, OSError), self._fancy_rename,
156
 
                          'missingsource', 'missingtarget')
157
 
 
158
104
    def test_rename(self):
159
105
        # Rename should be semi-atomic on all platforms
160
 
        self.create_file('a', 'something in a\n')
 
106
        open('a', 'wb').write('something in a\n')
161
107
        osutils.rename('a', 'b')
162
 
        self.assertPathDoesNotExist('a')
163
 
        self.assertPathExists('b')
 
108
        self.failIfExists('a')
 
109
        self.failUnlessExists('b')
164
110
        self.check_file_contents('b', 'something in a\n')
165
111
 
166
 
        self.create_file('a', 'new something in a\n')
 
112
        open('a', 'wb').write('new something in a\n')
167
113
        osutils.rename('b', 'a')
168
114
 
169
115
        self.check_file_contents('a', 'something in a\n')
180
126
        shape = sorted(os.listdir('.'))
181
127
        self.assertEquals(['A', 'B'], shape)
182
128
 
183
 
 
184
 
class TestRandChars(tests.TestCase):
185
 
 
186
129
    def test_01_rand_chars_empty(self):
187
130
        result = osutils.rand_chars(0)
188
131
        self.assertEqual(result, '')
193
136
        self.assertEqual(type(result), str)
194
137
        self.assertContainsRe(result, r'^[a-z0-9]{100}$')
195
138
 
196
 
 
197
 
class TestIsInside(tests.TestCase):
198
 
 
199
139
    def test_is_inside(self):
200
140
        is_inside = osutils.is_inside
201
141
        self.assertTrue(is_inside('src', 'src/foo.c'))
230
170
                         (['src'], 'srccontrol/foo')]:
231
171
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
232
172
 
233
 
 
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
 
class TestRmTree(tests.TestCaseInTempDir):
254
 
 
255
173
    def test_rmtree(self):
256
174
        # Check to remove tree with read-only files/dirs
257
175
        os.mkdir('dir')
267
185
 
268
186
        osutils.rmtree('dir')
269
187
 
270
 
        self.assertPathDoesNotExist('dir/file')
271
 
        self.assertPathDoesNotExist('dir')
272
 
 
273
 
 
274
 
class TestDeleteAny(tests.TestCaseInTempDir):
275
 
 
276
 
    def test_delete_any_readonly(self):
277
 
        # from <https://bugs.launchpad.net/bzr/+bug/218206>
278
 
        self.build_tree(['d/', 'f'])
279
 
        osutils.make_readonly('d')
280
 
        osutils.make_readonly('f')
281
 
 
282
 
        osutils.delete_any('f')
283
 
        osutils.delete_any('d')
284
 
 
285
 
 
286
 
class TestKind(tests.TestCaseInTempDir):
 
188
        self.failIfExists('dir/file')
 
189
        self.failIfExists('dir')
287
190
 
288
191
    def test_file_kind(self):
289
192
        self.build_tree(['file', 'dir/'])
320
223
                os.remove('socket')
321
224
 
322
225
    def test_kind_marker(self):
323
 
        self.assertEqual("", osutils.kind_marker("file"))
324
 
        self.assertEqual("/", osutils.kind_marker('directory'))
325
 
        self.assertEqual("/", osutils.kind_marker(osutils._directory_kind))
326
 
        self.assertEqual("@", osutils.kind_marker("symlink"))
327
 
        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"))
331
 
 
332
 
 
333
 
class TestUmask(tests.TestCaseInTempDir):
 
226
        self.assertEqual(osutils.kind_marker('file'), '')
 
227
        self.assertEqual(osutils.kind_marker('directory'), '/')
 
228
        self.assertEqual(osutils.kind_marker('symlink'), '@')
 
229
        self.assertEqual(osutils.kind_marker('tree-reference'), '+')
334
230
 
335
231
    def test_get_umask(self):
336
232
        if sys.platform == 'win32':
339
235
            return
340
236
 
341
237
        orig_umask = osutils.get_umask()
342
 
        self.addCleanup(os.umask, orig_umask)
343
 
        os.umask(0222)
344
 
        self.assertEqual(0222, osutils.get_umask())
345
 
        os.umask(0022)
346
 
        self.assertEqual(0022, osutils.get_umask())
347
 
        os.umask(0002)
348
 
        self.assertEqual(0002, osutils.get_umask())
349
 
        os.umask(0027)
350
 
        self.assertEqual(0027, osutils.get_umask())
351
 
 
352
 
 
353
 
class TestDateTime(tests.TestCase):
 
238
        try:
 
239
            os.umask(0222)
 
240
            self.assertEqual(0222, osutils.get_umask())
 
241
            os.umask(0022)
 
242
            self.assertEqual(0022, osutils.get_umask())
 
243
            os.umask(0002)
 
244
            self.assertEqual(0002, osutils.get_umask())
 
245
            os.umask(0027)
 
246
            self.assertEqual(0027, osutils.get_umask())
 
247
        finally:
 
248
            os.umask(orig_umask)
354
249
 
355
250
    def assertFormatedDelta(self, expected, seconds):
356
251
        """Assert osutils.format_delta formats as expected"""
398
293
        # Instead blackbox.test_locale should check for localized
399
294
        # dates once they do occur in output strings.
400
295
 
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
 
    def test_local_time_offset(self):
410
 
        """Test that local_time_offset() returns a sane value."""
411
 
        offset = osutils.local_time_offset()
412
 
        self.assertTrue(isinstance(offset, int))
413
 
        # Test that the offset is no more than a eighteen hours in
414
 
        # either direction.
415
 
        # Time zone handling is system specific, so it is difficult to
416
 
        # do more specific tests, but a value outside of this range is
417
 
        # probably wrong.
418
 
        eighteen_hours = 18 * 3600
419
 
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
420
 
 
421
 
    def test_local_time_offset_with_timestamp(self):
422
 
        """Test that local_time_offset() works with a timestamp."""
423
 
        offset = osutils.local_time_offset(1000000000.1234567)
424
 
        self.assertTrue(isinstance(offset, int))
425
 
        eighteen_hours = 18 * 3600
426
 
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
427
 
 
428
 
 
429
 
class TestLinks(tests.TestCaseInTempDir):
430
 
 
431
296
    def test_dereference_path(self):
432
 
        self.requireFeature(tests.SymlinkFeature)
 
297
        self.requireFeature(SymlinkFeature)
433
298
        cwd = osutils.realpath('.')
434
299
        os.mkdir('bar')
435
300
        bar_path = osutils.pathjoin(cwd, 'bar')
476
341
            osutils.make_readonly('dangling')
477
342
            osutils.make_writable('dangling')
478
343
 
 
344
    def test_kind_marker(self):
 
345
        self.assertEqual("", osutils.kind_marker("file"))
 
346
        self.assertEqual("/", osutils.kind_marker(osutils._directory_kind))
 
347
        self.assertEqual("@", osutils.kind_marker("symlink"))
 
348
        self.assertRaises(errors.BzrError, osutils.kind_marker, "unknown")
 
349
 
479
350
    def test_host_os_dereferences_symlinks(self):
480
351
        osutils.host_os_dereferences_symlinks()
481
352
 
482
353
 
483
 
class TestCanonicalRelPath(tests.TestCaseInTempDir):
 
354
class TestCanonicalRelPath(TestCaseInTempDir):
484
355
 
485
 
    _test_needs_features = [tests.CaseInsCasePresFilenameFeature]
 
356
    _test_needs_features = [CaseInsCasePresFilenameFeature]
486
357
 
487
358
    def test_canonical_relpath_simple(self):
488
359
        f = file('MixedCaseName', 'w')
489
360
        f.close()
490
 
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
491
 
        self.assertEqual('work/MixedCaseName', actual)
 
361
        # Watch out for tricky test dir (on OSX /tmp -> /private/tmp)
 
362
        real_base_dir = osutils.realpath(self.test_base_dir)
 
363
        actual = osutils.canonical_relpath(real_base_dir, 'mixedcasename')
 
364
        self.failUnlessEqual('work/MixedCaseName', actual)
492
365
 
493
366
    def test_canonical_relpath_missing_tail(self):
494
367
        os.mkdir('MixedCaseParent')
495
 
        actual = osutils.canonical_relpath(self.test_base_dir,
 
368
        # Watch out for tricky test dir (on OSX /tmp -> /private/tmp)
 
369
        real_base_dir = osutils.realpath(self.test_base_dir)
 
370
        actual = osutils.canonical_relpath(real_base_dir,
496
371
                                           'mixedcaseparent/nochild')
497
 
        self.assertEqual('work/MixedCaseParent/nochild', actual)
498
 
 
499
 
 
500
 
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
501
 
 
502
 
    def assertRelpath(self, expected, base, path):
503
 
        actual = osutils._cicp_canonical_relpath(base, path)
504
 
        self.assertEqual(expected, actual)
505
 
 
506
 
    def test_simple(self):
507
 
        self.build_tree(['MixedCaseName'])
508
 
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
509
 
        self.assertRelpath('MixedCaseName', base, 'mixedcAsename')
510
 
 
511
 
    def test_subdir_missing_tail(self):
512
 
        self.build_tree(['MixedCaseParent/', 'MixedCaseParent/a_child'])
513
 
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
514
 
        self.assertRelpath('MixedCaseParent/a_child', base,
515
 
                           'MixedCaseParent/a_child')
516
 
        self.assertRelpath('MixedCaseParent/a_child', base,
517
 
                           'MixedCaseParent/A_Child')
518
 
        self.assertRelpath('MixedCaseParent/not_child', base,
519
 
                           'MixedCaseParent/not_child')
520
 
 
521
 
    def test_at_root_slash(self):
522
 
        # We can't test this on Windows, because it has a 'MIN_ABS_PATHLENGTH'
523
 
        # check...
524
 
        if osutils.MIN_ABS_PATHLENGTH > 1:
525
 
            raise tests.TestSkipped('relpath requires %d chars'
526
 
                                    % osutils.MIN_ABS_PATHLENGTH)
527
 
        self.assertRelpath('foo', '/', '/foo')
528
 
 
529
 
    def test_at_root_drive(self):
530
 
        if sys.platform != 'win32':
531
 
            raise tests.TestNotApplicable('we can only test drive-letter relative'
532
 
                                          ' paths on Windows where we have drive'
533
 
                                          ' letters.')
534
 
        # see bug #322807
535
 
        # The specific issue is that when at the root of a drive, 'abspath'
536
 
        # returns "C:/" or just "/". However, the code assumes that abspath
537
 
        # always returns something like "C:/foo" or "/foo" (no trailing slash).
538
 
        self.assertRelpath('foo', 'C:/', 'C:/foo')
539
 
        self.assertRelpath('foo', 'X:/', 'X:/foo')
540
 
        self.assertRelpath('foo', 'X:/', 'X://foo')
541
 
 
542
 
 
543
 
class TestPumpFile(tests.TestCase):
 
372
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
 
373
 
 
374
 
 
375
class TestPumpFile(TestCase):
544
376
    """Test pumpfile method."""
545
 
 
546
377
    def setUp(self):
547
 
        tests.TestCase.setUp(self)
 
378
        TestCase.setUp(self)
548
379
        # create a test datablock
549
380
        self.block_size = 512
550
381
        pattern = '0123456789ABCDEF'
557
388
        # make sure test data is larger than max read size
558
389
        self.assertTrue(self.test_data_len > self.block_size)
559
390
 
560
 
        from_file = file_utils.FakeReadFile(self.test_data)
 
391
        from_file = FakeReadFile(self.test_data)
561
392
        to_file = StringIO()
562
393
 
563
394
        # read (max / 2) bytes and verify read size wasn't affected
598
429
        self.assertTrue(self.test_data_len > self.block_size)
599
430
 
600
431
        # retrieve data in blocks
601
 
        from_file = file_utils.FakeReadFile(self.test_data)
 
432
        from_file = FakeReadFile(self.test_data)
602
433
        to_file = StringIO()
603
434
        osutils.pumpfile(from_file, to_file, self.test_data_len,
604
435
                         self.block_size)
622
453
        self.assertTrue(self.test_data_len > self.block_size)
623
454
 
624
455
        # retrieve data to EOF
625
 
        from_file = file_utils.FakeReadFile(self.test_data)
 
456
        from_file = FakeReadFile(self.test_data)
626
457
        to_file = StringIO()
627
458
        osutils.pumpfile(from_file, to_file, -1, self.block_size)
628
459
 
642
473
        test verifies that any existing usages of pumpfile will not be broken
643
474
        with this new version."""
644
475
        # retrieve data using default (old) pumpfile method
645
 
        from_file = file_utils.FakeReadFile(self.test_data)
 
476
        from_file = FakeReadFile(self.test_data)
646
477
        to_file = StringIO()
647
478
        osutils.pumpfile(from_file, to_file)
648
479
 
682
513
 
683
514
 
684
515
 
685
 
class TestPumpStringFile(tests.TestCase):
 
516
class TestPumpStringFile(TestCase):
686
517
 
687
518
    def test_empty(self):
688
519
        output = StringIO()
705
536
        self.assertEqual("1234", output.getvalue())
706
537
 
707
538
 
708
 
class TestRelpath(tests.TestCase):
709
 
 
710
 
    def test_simple_relpath(self):
711
 
        cwd = osutils.getcwd()
712
 
        subdir = cwd + '/subdir'
713
 
        self.assertEqual('subdir', osutils.relpath(cwd, subdir))
714
 
 
715
 
    def test_deep_relpath(self):
716
 
        cwd = osutils.getcwd()
717
 
        subdir = cwd + '/sub/subsubdir'
718
 
        self.assertEqual('sub/subsubdir', osutils.relpath(cwd, subdir))
719
 
 
720
 
    def test_not_relative(self):
721
 
        self.assertRaises(errors.PathNotChild,
722
 
                          osutils.relpath, 'C:/path', 'H:/path')
723
 
        self.assertRaises(errors.PathNotChild,
724
 
                          osutils.relpath, 'C:/', 'H:/path')
725
 
 
726
 
 
727
 
class TestSafeUnicode(tests.TestCase):
 
539
class TestSafeUnicode(TestCase):
728
540
 
729
541
    def test_from_ascii_string(self):
730
542
        self.assertEqual(u'foobar', osutils.safe_unicode('foobar'))
739
551
        self.assertEqual(u'foo\xae', osutils.safe_unicode('foo\xc2\xae'))
740
552
 
741
553
    def test_bad_utf8_string(self):
742
 
        self.assertRaises(errors.BzrBadParameterNotUnicode,
 
554
        self.assertRaises(BzrBadParameterNotUnicode,
743
555
                          osutils.safe_unicode,
744
556
                          '\xbb\xbb')
745
557
 
746
558
 
747
 
class TestSafeUtf8(tests.TestCase):
 
559
class TestSafeUtf8(TestCase):
748
560
 
749
561
    def test_from_ascii_string(self):
750
562
        f = 'foobar'
760
572
        self.assertEqual('foo\xc2\xae', osutils.safe_utf8('foo\xc2\xae'))
761
573
 
762
574
    def test_bad_utf8_string(self):
763
 
        self.assertRaises(errors.BzrBadParameterNotUnicode,
 
575
        self.assertRaises(BzrBadParameterNotUnicode,
764
576
                          osutils.safe_utf8, '\xbb\xbb')
765
577
 
766
578
 
767
 
class TestSafeRevisionId(tests.TestCase):
 
579
class TestSafeRevisionId(TestCase):
768
580
 
769
581
    def test_from_ascii_string(self):
770
582
        # this shouldn't give a warning because it's getting an ascii string
792
604
        self.assertEqual(None, osutils.safe_revision_id(None))
793
605
 
794
606
 
795
 
class TestSafeFileId(tests.TestCase):
 
607
class TestSafeFileId(TestCase):
796
608
 
797
609
    def test_from_ascii_string(self):
798
610
        self.assertEqual('foobar', osutils.safe_file_id('foobar'))
818
630
        self.assertEqual(None, osutils.safe_file_id(None))
819
631
 
820
632
 
821
 
class TestWin32Funcs(tests.TestCase):
822
 
    """Test that _win32 versions of os utilities return appropriate paths."""
 
633
class TestWin32Funcs(TestCase):
 
634
    """Test that the _win32 versions of os utilities return appropriate paths."""
823
635
 
824
636
    def test_abspath(self):
825
637
        self.assertEqual('C:/foo', osutils._win32_abspath('C:\\foo'))
832
644
        self.assertEqual('C:/foo', osutils._win32_realpath('C:/foo'))
833
645
 
834
646
    def test_pathjoin(self):
835
 
        self.assertEqual('path/to/foo',
836
 
                         osutils._win32_pathjoin('path', 'to', 'foo'))
837
 
        self.assertEqual('C:/foo',
838
 
                         osutils._win32_pathjoin('path\\to', 'C:\\foo'))
839
 
        self.assertEqual('C:/foo',
840
 
                         osutils._win32_pathjoin('path/to', 'C:/foo'))
841
 
        self.assertEqual('path/to/foo',
842
 
                         osutils._win32_pathjoin('path/to/', 'foo'))
843
 
        self.assertEqual('/foo',
844
 
                         osutils._win32_pathjoin('C:/path/to/', '/foo'))
845
 
        self.assertEqual('/foo',
846
 
                         osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
 
647
        self.assertEqual('path/to/foo', osutils._win32_pathjoin('path', 'to', 'foo'))
 
648
        self.assertEqual('C:/foo', osutils._win32_pathjoin('path\\to', 'C:\\foo'))
 
649
        self.assertEqual('C:/foo', osutils._win32_pathjoin('path/to', 'C:/foo'))
 
650
        self.assertEqual('path/to/foo', osutils._win32_pathjoin('path/to/', 'foo'))
 
651
        self.assertEqual('/foo', osutils._win32_pathjoin('C:/path/to/', '/foo'))
 
652
        self.assertEqual('/foo', osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
847
653
 
848
654
    def test_normpath(self):
849
 
        self.assertEqual('path/to/foo',
850
 
                         osutils._win32_normpath(r'path\\from\..\to\.\foo'))
851
 
        self.assertEqual('path/to/foo',
852
 
                         osutils._win32_normpath('path//from/../to/./foo'))
 
655
        self.assertEqual('path/to/foo', osutils._win32_normpath(r'path\\from\..\to\.\foo'))
 
656
        self.assertEqual('path/to/foo', osutils._win32_normpath('path//from/../to/./foo'))
853
657
 
854
658
    def test_getcwd(self):
855
659
        cwd = osutils._win32_getcwd()
876
680
        self.assertEqual('//HOST/path', osutils._win98_abspath('//HOST/path'))
877
681
        # relative path
878
682
        cwd = osutils.getcwd().rstrip('/')
879
 
        drive = osutils.ntpath.splitdrive(cwd)[0]
 
683
        drive = osutils._nt_splitdrive(cwd)[0]
880
684
        self.assertEqual(cwd+'/path', osutils._win98_abspath('path'))
881
685
        self.assertEqual(drive+'/path', osutils._win98_abspath('/path'))
882
686
        # unicode path
884
688
        self.assertEqual(cwd+'/'+u, osutils._win98_abspath(u))
885
689
 
886
690
 
887
 
class TestWin32FuncsDirs(tests.TestCaseInTempDir):
 
691
class TestWin32FuncsDirs(TestCaseInTempDir):
888
692
    """Test win32 functions that create files."""
889
693
 
890
694
    def test_getcwd(self):
891
 
        self.requireFeature(tests.UnicodeFilenameFeature)
892
 
        os.mkdir(u'mu-\xb5')
 
695
        if win32utils.winver == 'Windows 98':
 
696
            raise TestSkipped('Windows 98 cannot handle unicode filenames')
 
697
        # Make sure getcwd can handle unicode filenames
 
698
        try:
 
699
            os.mkdir(u'mu-\xb5')
 
700
        except UnicodeError:
 
701
            raise TestSkipped("Unable to create Unicode filename")
 
702
 
893
703
        os.chdir(u'mu-\xb5')
894
704
        # TODO: jam 20060427 This will probably fail on Mac OSX because
895
705
        #       it will change the normalization of B\xe5gfors
900
710
    def test_minimum_path_selection(self):
901
711
        self.assertEqual(set(),
902
712
            osutils.minimum_path_selection([]))
903
 
        self.assertEqual(set(['a']),
904
 
            osutils.minimum_path_selection(['a']))
905
713
        self.assertEqual(set(['a', 'b']),
906
714
            osutils.minimum_path_selection(['a', 'b']))
907
715
        self.assertEqual(set(['a/', 'b']),
908
716
            osutils.minimum_path_selection(['a/', 'b']))
909
717
        self.assertEqual(set(['a/', 'b']),
910
718
            osutils.minimum_path_selection(['a/c', 'a/', 'b']))
911
 
        self.assertEqual(set(['a-b', 'a', 'a0b']),
912
 
            osutils.minimum_path_selection(['a-b', 'a/b', 'a0b', 'a']))
913
719
 
914
720
    def test_mkdtemp(self):
915
721
        tmpdir = osutils._win32_mkdtemp(dir='.')
924
730
        b.close()
925
731
 
926
732
        osutils._win32_rename('b', 'a')
927
 
        self.assertPathExists('a')
928
 
        self.assertPathDoesNotExist('b')
 
733
        self.failUnlessExists('a')
 
734
        self.failIfExists('b')
929
735
        self.assertFileEqual('baz\n', 'a')
930
736
 
931
737
    def test_rename_missing_file(self):
971
777
        self.assertRaises(errors.BzrError, osutils.splitpath, 'a/../b')
972
778
 
973
779
 
974
 
class TestParentDirectories(tests.TestCaseInTempDir):
975
 
    """Test osutils.parent_directories()"""
976
 
 
977
 
    def test_parent_directories(self):
978
 
        self.assertEqual([], osutils.parent_directories('a'))
979
 
        self.assertEqual(['a'], osutils.parent_directories('a/b'))
980
 
        self.assertEqual(['a/b', 'a'], osutils.parent_directories('a/b/c'))
981
 
 
982
 
 
983
 
class TestMacFuncsDirs(tests.TestCaseInTempDir):
 
780
class TestMacFuncsDirs(TestCaseInTempDir):
984
781
    """Test mac special functions that require directories."""
985
782
 
986
783
    def test_getcwd(self):
987
 
        self.requireFeature(tests.UnicodeFilenameFeature)
988
 
        os.mkdir(u'B\xe5gfors')
 
784
        # On Mac, this will actually create Ba\u030agfors
 
785
        # but chdir will still work, because it accepts both paths
 
786
        try:
 
787
            os.mkdir(u'B\xe5gfors')
 
788
        except UnicodeError:
 
789
            raise TestSkipped("Unable to create Unicode filename")
 
790
 
989
791
        os.chdir(u'B\xe5gfors')
990
792
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
991
793
 
992
794
    def test_getcwd_nonnorm(self):
993
 
        self.requireFeature(tests.UnicodeFilenameFeature)
994
795
        # Test that _mac_getcwd() will normalize this path
995
 
        os.mkdir(u'Ba\u030agfors')
 
796
        try:
 
797
            os.mkdir(u'Ba\u030agfors')
 
798
        except UnicodeError:
 
799
            raise TestSkipped("Unable to create Unicode filename")
 
800
 
996
801
        os.chdir(u'Ba\u030agfors')
997
802
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
998
803
 
999
804
 
1000
 
class TestChunksToLines(tests.TestCase):
 
805
class TestChunksToLines(TestCase):
1001
806
 
1002
807
    def test_smoketest(self):
1003
808
        self.assertEqual(['foo\n', 'bar\n', 'baz\n'],
1007
812
 
1008
813
    def test_osutils_binding(self):
1009
814
        from bzrlib.tests import test__chunks_to_lines
1010
 
        if test__chunks_to_lines.compiled_chunkstolines_feature.available():
 
815
        if test__chunks_to_lines.CompiledChunksToLinesFeature.available():
1011
816
            from bzrlib._chunks_to_lines_pyx import chunks_to_lines
1012
817
        else:
1013
818
            from bzrlib._chunks_to_lines_py import chunks_to_lines
1014
819
        self.assertIs(chunks_to_lines, osutils.chunks_to_lines)
1015
820
 
1016
821
 
1017
 
class TestSplitLines(tests.TestCase):
 
822
class TestSplitLines(TestCase):
1018
823
 
1019
824
    def test_split_unicode(self):
1020
825
        self.assertEqual([u'foo\n', u'bar\xae'],
1027
832
                         osutils.split_lines('foo\rbar\n'))
1028
833
 
1029
834
 
1030
 
class TestWalkDirs(tests.TestCaseInTempDir):
1031
 
 
1032
 
    def assertExpectedBlocks(self, expected, result):
1033
 
        self.assertEqual(expected,
1034
 
                         [(dirinfo, [line[0:3] for line in block])
1035
 
                          for dirinfo, block in result])
 
835
class TestWalkDirs(TestCaseInTempDir):
1036
836
 
1037
837
    def test_walkdirs(self):
1038
838
        tree = [
1071
871
            result.append((dirdetail, dirblock))
1072
872
 
1073
873
        self.assertTrue(found_bzrdir)
1074
 
        self.assertExpectedBlocks(expected_dirblocks, result)
 
874
        self.assertEqual(expected_dirblocks,
 
875
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1075
876
        # you can search a subdir only, with a supplied prefix.
1076
877
        result = []
1077
878
        for dirblock in osutils.walkdirs('./1dir', '1dir'):
1078
879
            result.append(dirblock)
1079
 
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
 
880
        self.assertEqual(expected_dirblocks[1:],
 
881
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1080
882
 
1081
883
    def test_walkdirs_os_error(self):
1082
 
        # <https://bugs.launchpad.net/bzr/+bug/338653>
 
884
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
1083
885
        # Pyrex readdir didn't raise useful messages if it had an error
1084
886
        # reading the directory
1085
887
        if sys.platform == 'win32':
1086
888
            raise tests.TestNotApplicable(
1087
889
                "readdir IOError not tested on win32")
1088
 
        self.requireFeature(features.not_running_as_root)
1089
890
        os.mkdir("test-unreadable")
1090
891
        os.chmod("test-unreadable", 0000)
1091
892
        # must chmod it back so that it can be removed
1092
 
        self.addCleanup(os.chmod, "test-unreadable", 0700)
 
893
        self.addCleanup(lambda: os.chmod("test-unreadable", 0700))
1093
894
        # The error is not raised until the generator is actually evaluated.
1094
895
        # (It would be ok if it happened earlier but at the moment it
1095
896
        # doesn't.)
1099
900
        # Ensure the message contains the file name
1100
901
        self.assertContainsRe(str(e), "\./test-unreadable")
1101
902
 
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
903
    def test__walkdirs_utf8(self):
1139
904
        tree = [
1140
905
            '.bzr',
1172
937
            result.append((dirdetail, dirblock))
1173
938
 
1174
939
        self.assertTrue(found_bzrdir)
1175
 
        self.assertExpectedBlocks(expected_dirblocks, result)
1176
 
 
 
940
        self.assertEqual(expected_dirblocks,
 
941
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1177
942
        # you can search a subdir only, with a supplied prefix.
1178
943
        result = []
1179
944
        for dirblock in osutils.walkdirs('./1dir', '1dir'):
1180
945
            result.append(dirblock)
1181
 
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
 
946
        self.assertEqual(expected_dirblocks[1:],
 
947
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1182
948
 
1183
949
    def _filter_out_stat(self, result):
1184
950
        """Filter out the stat value from the walkdirs result"""
1190
956
            dirblock[:] = new_dirblock
1191
957
 
1192
958
    def _save_platform_info(self):
1193
 
        self.overrideAttr(win32utils, 'winver')
1194
 
        self.overrideAttr(osutils, '_fs_enc')
1195
 
        self.overrideAttr(osutils, '_selected_dir_reader')
 
959
        cur_winver = win32utils.winver
 
960
        cur_fs_enc = osutils._fs_enc
 
961
        cur_dir_reader = osutils._selected_dir_reader
 
962
        def restore():
 
963
            win32utils.winver = cur_winver
 
964
            osutils._fs_enc = cur_fs_enc
 
965
            osutils._selected_dir_reader = cur_dir_reader
 
966
        self.addCleanup(restore)
1196
967
 
1197
 
    def assertDirReaderIs(self, expected):
 
968
    def assertReadFSDirIs(self, expected):
1198
969
        """Assert the right implementation for _walkdirs_utf8 is chosen."""
1199
970
        # Force it to redetect
1200
971
        osutils._selected_dir_reader = None
1207
978
        self._save_platform_info()
1208
979
        win32utils.winver = None # Avoid the win32 detection code
1209
980
        osutils._fs_enc = 'UTF-8'
1210
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
981
        self.assertReadFSDirIs(UTF8DirReaderFeature.reader)
1211
982
 
1212
983
    def test_force_walkdirs_utf8_fs_ascii(self):
1213
984
        self.requireFeature(UTF8DirReaderFeature)
1214
985
        self._save_platform_info()
1215
986
        win32utils.winver = None # Avoid the win32 detection code
1216
987
        osutils._fs_enc = 'US-ASCII'
1217
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
988
        self.assertReadFSDirIs(UTF8DirReaderFeature.reader)
1218
989
 
1219
990
    def test_force_walkdirs_utf8_fs_ANSI(self):
1220
991
        self.requireFeature(UTF8DirReaderFeature)
1221
992
        self._save_platform_info()
1222
993
        win32utils.winver = None # Avoid the win32 detection code
1223
994
        osutils._fs_enc = 'ANSI_X3.4-1968'
1224
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
995
        self.assertReadFSDirIs(UTF8DirReaderFeature.reader)
1225
996
 
1226
997
    def test_force_walkdirs_utf8_fs_latin1(self):
1227
998
        self._save_platform_info()
1228
999
        win32utils.winver = None # Avoid the win32 detection code
1229
1000
        osutils._fs_enc = 'latin1'
1230
 
        self.assertDirReaderIs(osutils.UnicodeDirReader)
 
1001
        self.assertReadFSDirIs(osutils.UnicodeDirReader)
1231
1002
 
1232
1003
    def test_force_walkdirs_utf8_nt(self):
1233
1004
        # Disabled because the thunk of the whole walkdirs api is disabled.
1234
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1005
        self.requireFeature(Win32ReadDirFeature)
1235
1006
        self._save_platform_info()
1236
1007
        win32utils.winver = 'Windows NT'
1237
1008
        from bzrlib._walkdirs_win32 import Win32ReadDir
1238
 
        self.assertDirReaderIs(Win32ReadDir)
 
1009
        self.assertReadFSDirIs(Win32ReadDir)
1239
1010
 
1240
1011
    def test_force_walkdirs_utf8_98(self):
1241
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1012
        self.requireFeature(Win32ReadDirFeature)
1242
1013
        self._save_platform_info()
1243
1014
        win32utils.winver = 'Windows 98'
1244
 
        self.assertDirReaderIs(osutils.UnicodeDirReader)
 
1015
        self.assertReadFSDirIs(osutils.UnicodeDirReader)
1245
1016
 
1246
1017
    def test_unicode_walkdirs(self):
1247
1018
        """Walkdirs should always return unicode paths."""
1248
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1249
1019
        name0 = u'0file-\xb6'
1250
1020
        name1 = u'1dir-\u062c\u0648'
1251
1021
        name2 = u'2file-\u0633'
1256
1026
            name1 + '/' + name1 + '/',
1257
1027
            name2,
1258
1028
            ]
1259
 
        self.build_tree(tree)
 
1029
        try:
 
1030
            self.build_tree(tree)
 
1031
        except UnicodeError:
 
1032
            raise TestSkipped('Could not represent Unicode chars'
 
1033
                              ' in current encoding.')
1260
1034
        expected_dirblocks = [
1261
1035
                ((u'', u'.'),
1262
1036
                 [(name0, name0, 'file', './' + name0),
1288
1062
 
1289
1063
        The abspath portion might be in unicode or utf-8
1290
1064
        """
1291
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1292
1065
        name0 = u'0file-\xb6'
1293
1066
        name1 = u'1dir-\u062c\u0648'
1294
1067
        name2 = u'2file-\u0633'
1299
1072
            name1 + '/' + name1 + '/',
1300
1073
            name2,
1301
1074
            ]
1302
 
        self.build_tree(tree)
 
1075
        try:
 
1076
            self.build_tree(tree)
 
1077
        except UnicodeError:
 
1078
            raise TestSkipped('Could not represent Unicode chars'
 
1079
                              ' in current encoding.')
1303
1080
        name0 = name0.encode('utf8')
1304
1081
        name1 = name1.encode('utf8')
1305
1082
        name2 = name2.encode('utf8')
1349
1126
 
1350
1127
        The abspath portion should be in unicode
1351
1128
        """
1352
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1353
1129
        # Use the unicode reader. TODO: split into driver-and-driven unit
1354
1130
        # tests.
1355
1131
        self._save_platform_info()
1364
1140
            name1u + '/' + name1u + '/',
1365
1141
            name2u,
1366
1142
            ]
1367
 
        self.build_tree(tree)
 
1143
        try:
 
1144
            self.build_tree(tree)
 
1145
        except UnicodeError:
 
1146
            raise TestSkipped('Could not represent Unicode chars'
 
1147
                              ' in current encoding.')
1368
1148
        name0 = name0u.encode('utf8')
1369
1149
        name1 = name1u.encode('utf8')
1370
1150
        name2 = name2u.encode('utf8')
1395
1175
        self.assertEqual(expected_dirblocks, result)
1396
1176
 
1397
1177
    def test__walkdirs_utf8_win32readdir(self):
1398
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1178
        self.requireFeature(Win32ReadDirFeature)
1399
1179
        self.requireFeature(tests.UnicodeFilenameFeature)
1400
1180
        from bzrlib._walkdirs_win32 import Win32ReadDir
1401
1181
        self._save_platform_info()
1452
1232
 
1453
1233
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1454
1234
        """make sure our Stat values are valid"""
1455
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1235
        self.requireFeature(Win32ReadDirFeature)
1456
1236
        self.requireFeature(tests.UnicodeFilenameFeature)
1457
1237
        from bzrlib._walkdirs_win32 import Win32ReadDir
1458
1238
        name0u = u'0file-\xb6'
1476
1256
 
1477
1257
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1478
1258
        """make sure our Stat values are valid"""
1479
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1259
        self.requireFeature(Win32ReadDirFeature)
1480
1260
        self.requireFeature(tests.UnicodeFilenameFeature)
1481
1261
        from bzrlib._walkdirs_win32 import Win32ReadDir
1482
1262
        name0u = u'0dir-\u062c\u0648'
1567
1347
            sorted(original_paths, cmp=osutils.compare_paths_prefix_order))
1568
1348
 
1569
1349
 
1570
 
class TestCopyTree(tests.TestCaseInTempDir):
 
1350
class TestCopyTree(TestCaseInTempDir):
1571
1351
 
1572
1352
    def test_copy_basic_tree(self):
1573
1353
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
1583
1363
        self.assertEqual(['c'], os.listdir('target/b'))
1584
1364
 
1585
1365
    def test_copy_tree_symlinks(self):
1586
 
        self.requireFeature(tests.SymlinkFeature)
 
1366
        self.requireFeature(SymlinkFeature)
1587
1367
        self.build_tree(['source/'])
1588
1368
        os.symlink('a/generic/path', 'source/lnk')
1589
1369
        osutils.copy_tree('source', 'target')
1614
1394
                          ('d', 'source/b', 'target/b'),
1615
1395
                          ('f', 'source/b/c', 'target/b/c'),
1616
1396
                         ], processed_files)
1617
 
        self.assertPathDoesNotExist('target')
 
1397
        self.failIfExists('target')
1618
1398
        if osutils.has_symlinks():
1619
1399
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
1620
1400
 
1621
1401
 
1622
 
class TestSetUnsetEnv(tests.TestCase):
 
1402
#class TestTerminalEncoding has been moved to test_osutils_encodings.py
 
1403
# [bialix] 2006/12/26
 
1404
 
 
1405
 
 
1406
class TestSetUnsetEnv(TestCase):
1623
1407
    """Test updating the environment"""
1624
1408
 
1625
1409
    def setUp(self):
1631
1415
        def cleanup():
1632
1416
            if 'BZR_TEST_ENV_VAR' in os.environ:
1633
1417
                del os.environ['BZR_TEST_ENV_VAR']
 
1418
 
1634
1419
        self.addCleanup(cleanup)
1635
1420
 
1636
1421
    def test_set(self):
1651
1436
 
1652
1437
        So Unicode strings must be encoded.
1653
1438
        """
1654
 
        uni_val, env_val = tests.probe_unicode_in_user_encoding()
 
1439
        uni_val, env_val = probe_unicode_in_user_encoding()
1655
1440
        if uni_val is None:
1656
 
            raise tests.TestSkipped(
1657
 
                'Cannot find a unicode character that works in encoding %s'
1658
 
                % (osutils.get_user_encoding(),))
 
1441
            raise TestSkipped('Cannot find a unicode character that works in'
 
1442
                              ' encoding %s' % (osutils.get_user_encoding(),))
1659
1443
 
1660
1444
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', uni_val)
1661
1445
        self.assertEqual(env_val, os.environ.get('BZR_TEST_ENV_VAR'))
1666
1450
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', None)
1667
1451
        self.assertEqual('foo', old)
1668
1452
        self.assertEqual(None, os.environ.get('BZR_TEST_ENV_VAR'))
1669
 
        self.assertFalse('BZR_TEST_ENV_VAR' in os.environ)
1670
 
 
1671
 
 
1672
 
class TestSizeShaFile(tests.TestCaseInTempDir):
 
1453
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
 
1454
 
 
1455
 
 
1456
class TestLocalTimeOffset(TestCase):
 
1457
 
 
1458
    def test_local_time_offset(self):
 
1459
        """Test that local_time_offset() returns a sane value."""
 
1460
        offset = osutils.local_time_offset()
 
1461
        self.assertTrue(isinstance(offset, int))
 
1462
        # Test that the offset is no more than a eighteen hours in
 
1463
        # either direction.
 
1464
        # Time zone handling is system specific, so it is difficult to
 
1465
        # do more specific tests, but a value outside of this range is
 
1466
        # probably wrong.
 
1467
        eighteen_hours = 18 * 3600
 
1468
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
 
1469
 
 
1470
    def test_local_time_offset_with_timestamp(self):
 
1471
        """Test that local_time_offset() works with a timestamp."""
 
1472
        offset = osutils.local_time_offset(1000000000.1234567)
 
1473
        self.assertTrue(isinstance(offset, int))
 
1474
        eighteen_hours = 18 * 3600
 
1475
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
 
1476
 
 
1477
 
 
1478
class TestSizeShaFile(TestCaseInTempDir):
1673
1479
 
1674
1480
    def test_sha_empty(self):
1675
1481
        self.build_tree_contents([('foo', '')])
1684
1490
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
1685
1491
        self.build_tree_contents([('foo', text)])
1686
1492
        expected_sha = osutils.sha_string(text)
1687
 
        f = open('foo', 'rb')
 
1493
        f = open('foo')
1688
1494
        self.addCleanup(f.close)
1689
1495
        size, sha = osutils.size_sha_file(f)
1690
1496
        self.assertEqual(38, size)
1691
1497
        self.assertEqual(expected_sha, sha)
1692
1498
 
1693
1499
 
1694
 
class TestShaFileByName(tests.TestCaseInTempDir):
 
1500
class TestShaFileByName(TestCaseInTempDir):
1695
1501
 
1696
1502
    def test_sha_empty(self):
1697
1503
        self.build_tree_contents([('foo', '')])
1705
1511
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
1706
1512
 
1707
1513
 
1708
 
class TestResourceLoading(tests.TestCaseInTempDir):
 
1514
class TestResourceLoading(TestCaseInTempDir):
1709
1515
 
1710
1516
    def test_resource_string(self):
1711
1517
        # test resource in bzrlib
1721
1527
        self.assertRaises(IOError, osutils.resource_string, 'bzrlib', 'yyy.xx')
1722
1528
 
1723
1529
 
1724
 
class TestReCompile(tests.TestCase):
1725
 
 
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)
 
1530
class TestReCompile(TestCase):
1729
1531
 
1730
1532
    def test_re_compile_checked(self):
1731
 
        r = self._deprecated_re_compile_checked(r'A*', re.IGNORECASE)
 
1533
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
1732
1534
        self.assertTrue(r.match('aaaa'))
1733
1535
        self.assertTrue(r.match('aAaA'))
1734
1536
 
1735
1537
    def test_re_compile_checked_error(self):
1736
1538
        # 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
1539
        err = self.assertRaises(
1742
1540
            errors.BzrCommandError,
1743
 
            self._deprecated_re_compile_checked, '*', re.IGNORECASE, 'test case')
 
1541
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
1744
1542
        self.assertEqual(
1745
 
            'Invalid regular expression in test case: '
1746
 
            '"*" nothing to repeat',
 
1543
            "Invalid regular expression in test case: '*': "
 
1544
            "nothing to repeat",
1747
1545
            str(err))
1748
 
 
1749
 
 
1750
 
class TestDirReader(tests.TestCaseInTempDir):
1751
 
 
1752
 
    scenarios = dir_reader_scenarios()
1753
 
 
1754
 
    # Set by load_tests
1755
 
    _dir_reader_class = None
1756
 
    _native_to_unicode = None
1757
 
 
1758
 
    def setUp(self):
1759
 
        tests.TestCaseInTempDir.setUp(self)
1760
 
        self.overrideAttr(osutils,
1761
 
                          '_selected_dir_reader', self._dir_reader_class())
1762
 
 
1763
 
    def _get_ascii_tree(self):
1764
 
        tree = [
1765
 
            '0file',
1766
 
            '1dir/',
1767
 
            '1dir/0file',
1768
 
            '1dir/1dir/',
1769
 
            '2file'
1770
 
            ]
1771
 
        expected_dirblocks = [
1772
 
                (('', '.'),
1773
 
                 [('0file', '0file', 'file'),
1774
 
                  ('1dir', '1dir', 'directory'),
1775
 
                  ('2file', '2file', 'file'),
1776
 
                 ]
1777
 
                ),
1778
 
                (('1dir', './1dir'),
1779
 
                 [('1dir/0file', '0file', 'file'),
1780
 
                  ('1dir/1dir', '1dir', 'directory'),
1781
 
                 ]
1782
 
                ),
1783
 
                (('1dir/1dir', './1dir/1dir'),
1784
 
                 [
1785
 
                 ]
1786
 
                ),
1787
 
            ]
1788
 
        return tree, expected_dirblocks
1789
 
 
1790
 
    def test_walk_cur_dir(self):
1791
 
        tree, expected_dirblocks = self._get_ascii_tree()
1792
 
        self.build_tree(tree)
1793
 
        result = list(osutils._walkdirs_utf8('.'))
1794
 
        # Filter out stat and abspath
1795
 
        self.assertEqual(expected_dirblocks,
1796
 
                         [(dirinfo, [line[0:3] for line in block])
1797
 
                          for dirinfo, block in result])
1798
 
 
1799
 
    def test_walk_sub_dir(self):
1800
 
        tree, expected_dirblocks = self._get_ascii_tree()
1801
 
        self.build_tree(tree)
1802
 
        # you can search a subdir only, with a supplied prefix.
1803
 
        result = list(osutils._walkdirs_utf8('./1dir', '1dir'))
1804
 
        # Filter out stat and abspath
1805
 
        self.assertEqual(expected_dirblocks[1:],
1806
 
                         [(dirinfo, [line[0:3] for line in block])
1807
 
                          for dirinfo, block in result])
1808
 
 
1809
 
    def _get_unicode_tree(self):
1810
 
        name0u = u'0file-\xb6'
1811
 
        name1u = u'1dir-\u062c\u0648'
1812
 
        name2u = u'2file-\u0633'
1813
 
        tree = [
1814
 
            name0u,
1815
 
            name1u + '/',
1816
 
            name1u + '/' + name0u,
1817
 
            name1u + '/' + name1u + '/',
1818
 
            name2u,
1819
 
            ]
1820
 
        name0 = name0u.encode('UTF-8')
1821
 
        name1 = name1u.encode('UTF-8')
1822
 
        name2 = name2u.encode('UTF-8')
1823
 
        expected_dirblocks = [
1824
 
                (('', '.'),
1825
 
                 [(name0, name0, 'file', './' + name0u),
1826
 
                  (name1, name1, 'directory', './' + name1u),
1827
 
                  (name2, name2, 'file', './' + name2u),
1828
 
                 ]
1829
 
                ),
1830
 
                ((name1, './' + name1u),
1831
 
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
1832
 
                                                        + '/' + name0u),
1833
 
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
1834
 
                                                            + '/' + name1u),
1835
 
                 ]
1836
 
                ),
1837
 
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
1838
 
                 [
1839
 
                 ]
1840
 
                ),
1841
 
            ]
1842
 
        return tree, expected_dirblocks
1843
 
 
1844
 
    def _filter_out(self, raw_dirblocks):
1845
 
        """Filter out a walkdirs_utf8 result.
1846
 
 
1847
 
        stat field is removed, all native paths are converted to unicode
1848
 
        """
1849
 
        filtered_dirblocks = []
1850
 
        for dirinfo, block in raw_dirblocks:
1851
 
            dirinfo = (dirinfo[0], self._native_to_unicode(dirinfo[1]))
1852
 
            details = []
1853
 
            for line in block:
1854
 
                details.append(line[0:3] + (self._native_to_unicode(line[4]), ))
1855
 
            filtered_dirblocks.append((dirinfo, details))
1856
 
        return filtered_dirblocks
1857
 
 
1858
 
    def test_walk_unicode_tree(self):
1859
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1860
 
        tree, expected_dirblocks = self._get_unicode_tree()
1861
 
        self.build_tree(tree)
1862
 
        result = list(osutils._walkdirs_utf8('.'))
1863
 
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1864
 
 
1865
 
    def test_symlink(self):
1866
 
        self.requireFeature(tests.SymlinkFeature)
1867
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1868
 
        target = u'target\N{Euro Sign}'
1869
 
        link_name = u'l\N{Euro Sign}nk'
1870
 
        os.symlink(target, link_name)
1871
 
        target_utf8 = target.encode('UTF-8')
1872
 
        link_name_utf8 = link_name.encode('UTF-8')
1873
 
        expected_dirblocks = [
1874
 
                (('', '.'),
1875
 
                 [(link_name_utf8, link_name_utf8,
1876
 
                   'symlink', './' + link_name),],
1877
 
                 )]
1878
 
        result = list(osutils._walkdirs_utf8('.'))
1879
 
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1880
 
 
1881
 
 
1882
 
class TestReadLink(tests.TestCaseInTempDir):
1883
 
    """Exposes os.readlink() problems and the osutils solution.
1884
 
 
1885
 
    The only guarantee offered by os.readlink(), starting with 2.6, is that a
1886
 
    unicode string will be returned if a unicode string is passed.
1887
 
 
1888
 
    But prior python versions failed to properly encode the passed unicode
1889
 
    string.
1890
 
    """
1891
 
    _test_needs_features = [tests.SymlinkFeature, tests.UnicodeFilenameFeature]
1892
 
 
1893
 
    def setUp(self):
1894
 
        super(tests.TestCaseInTempDir, self).setUp()
1895
 
        self.link = u'l\N{Euro Sign}ink'
1896
 
        self.target = u'targe\N{Euro Sign}t'
1897
 
        os.symlink(self.target, self.link)
1898
 
 
1899
 
    def test_os_readlink_link_encoding(self):
1900
 
        self.assertEquals(self.target,  os.readlink(self.link))
1901
 
 
1902
 
    def test_os_readlink_link_decoding(self):
1903
 
        self.assertEquals(self.target.encode(osutils._fs_enc),
1904
 
                          os.readlink(self.link.encode(osutils._fs_enc)))
1905
 
 
1906
 
 
1907
 
class TestConcurrency(tests.TestCase):
1908
 
 
1909
 
    def setUp(self):
1910
 
        super(TestConcurrency, self).setUp()
1911
 
        self.overrideAttr(osutils, '_cached_local_concurrency')
1912
 
 
1913
 
    def test_local_concurrency(self):
1914
 
        concurrency = osutils.local_concurrency()
1915
 
        self.assertIsInstance(concurrency, int)
1916
 
 
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
 
 
1933
 
class TestFailedToLoadExtension(tests.TestCase):
1934
 
 
1935
 
    def _try_loading(self):
1936
 
        try:
1937
 
            import bzrlib._fictional_extension_py
1938
 
        except ImportError, e:
1939
 
            osutils.failed_to_load_extension(e)
1940
 
            return True
1941
 
 
1942
 
    def setUp(self):
1943
 
        super(TestFailedToLoadExtension, self).setUp()
1944
 
        self.overrideAttr(osutils, '_extension_load_failures', [])
1945
 
 
1946
 
    def test_failure_to_load(self):
1947
 
        self._try_loading()
1948
 
        self.assertLength(1, osutils._extension_load_failures)
1949
 
        self.assertEquals(osutils._extension_load_failures[0],
1950
 
            "No module named _fictional_extension_py")
1951
 
 
1952
 
    def test_report_extension_load_failures_no_warning(self):
1953
 
        self.assertTrue(self._try_loading())
1954
 
        warnings, result = self.callCatchWarnings(osutils.report_extension_load_failures)
1955
 
        # it used to give a Python warning; it no longer does
1956
 
        self.assertLength(0, warnings)
1957
 
 
1958
 
    def test_report_extension_load_failures_message(self):
1959
 
        log = StringIO()
1960
 
        trace.push_log_file(log)
1961
 
        self.assertTrue(self._try_loading())
1962
 
        osutils.report_extension_load_failures()
1963
 
        self.assertContainsRe(
1964
 
            log.getvalue(),
1965
 
            r"bzr: warning: some compiled extensions could not be loaded; "
1966
 
            "see <https://answers\.launchpad\.net/bzr/\+faq/703>\n"
1967
 
            )
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)