← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_osutils.py

Streamline _walkdirs_utf8 for utf8 file systems, reducing time to traverse a mozilla tree from 1s to .6 seconds. (Robert Collins)

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_osutils.py
1
 
# Copyright (C) 2005-2010 Canonical Ltd
 
1
# Copyright (C) 2005, 2006, 2007 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
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
"""Tests for the osutils wrapper."""
18
18
 
19
19
from cStringIO import StringIO
20
20
import errno
21
21
import os
22
 
import re
23
22
import socket
24
23
import stat
25
24
import sys
26
25
import time
27
26
 
 
27
import bzrlib
28
28
from bzrlib import (
29
29
    errors,
30
30
    osutils,
31
31
    tests,
32
 
    trace,
33
32
    win32utils,
34
33
    )
 
34
from bzrlib.errors import BzrBadParameterNotUnicode, InvalidURL
 
35
from bzrlib.osutils import (
 
36
        is_inside_any,
 
37
        is_inside_or_parent_of_any,
 
38
        pathjoin,
 
39
        pumpfile,
 
40
        pump_string_file,
 
41
        )
35
42
from bzrlib.tests import (
36
 
    features,
37
 
    file_utils,
38
 
    test__walkdirs_win32,
 
43
        adapt_tests,
 
44
        Feature,
 
45
        probe_unicode_in_user_encoding,
 
46
        split_suite_by_re,
 
47
        StringIOWrapper,
 
48
        SymlinkFeature,
 
49
        TestCase,
 
50
        TestCaseInTempDir,
 
51
        TestScenarioApplier,
 
52
        TestSkipped,
 
53
        )
 
54
from bzrlib.tests.file_utils import (
 
55
    FakeReadFile,
39
56
    )
40
 
 
41
 
 
42
 
class _UTF8DirReaderFeature(tests.Feature):
 
57
from bzrlib.tests.test__walkdirs_win32 import Win32ReadDirFeature
 
58
 
 
59
 
 
60
class _UTF8DirReaderFeature(Feature):
43
61
 
44
62
    def _probe(self):
45
63
        try:
54
72
 
55
73
UTF8DirReaderFeature = _UTF8DirReaderFeature()
56
74
 
57
 
term_ios_feature = tests.ModuleAvailableFeature('termios')
58
 
 
59
 
 
60
 
def _already_unicode(s):
61
 
    return s
62
 
 
63
 
 
64
 
def _utf8_to_unicode(s):
65
 
    return s.decode('UTF-8')
66
 
 
67
 
 
68
 
def dir_reader_scenarios():
69
 
    # For each dir reader we define:
70
 
 
71
 
    # - native_to_unicode: a function converting the native_abspath as returned
72
 
    #   by DirReader.read_dir to its unicode representation
73
 
 
74
 
    # UnicodeDirReader is the fallback, it should be tested on all platforms.
75
 
    scenarios = [('unicode',
76
 
                  dict(_dir_reader_class=osutils.UnicodeDirReader,
77
 
                       _native_to_unicode=_already_unicode))]
78
 
    # Some DirReaders are platform specific and even there they may not be
79
 
    # available.
80
 
    if UTF8DirReaderFeature.available():
81
 
        from bzrlib import _readdir_pyx
82
 
        scenarios.append(('utf8',
83
 
                          dict(_dir_reader_class=_readdir_pyx.UTF8DirReader,
84
 
                               _native_to_unicode=_utf8_to_unicode)))
85
 
 
86
 
    if test__walkdirs_win32.win32_readdir_feature.available():
87
 
        try:
88
 
            from bzrlib import _walkdirs_win32
89
 
            scenarios.append(
90
 
                ('win32',
91
 
                 dict(_dir_reader_class=_walkdirs_win32.Win32ReadDir,
92
 
                      _native_to_unicode=_already_unicode)))
93
 
        except ImportError:
94
 
            pass
95
 
    return scenarios
96
 
 
97
 
 
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
105
 
 
106
 
 
107
 
class TestContainsWhitespace(tests.TestCase):
 
75
 
 
76
class TestOSUtils(TestCaseInTempDir):
108
77
 
109
78
    def test_contains_whitespace(self):
110
79
        self.failUnless(osutils.contains_whitespace(u' '))
120
89
        self.failIf(osutils.contains_whitespace(u'hellothere'))
121
90
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
122
91
 
123
 
 
124
 
class TestRename(tests.TestCaseInTempDir):
125
 
 
126
 
    def create_file(self, filename, content):
127
 
        f = open(filename, 'wb')
128
 
        try:
129
 
            f.write(content)
130
 
        finally:
131
 
            f.close()
132
 
 
133
 
    def _fancy_rename(self, a, b):
134
 
        osutils.fancy_rename(a, b, rename_func=os.rename,
135
 
                             unlink_func=os.unlink)
136
 
 
137
92
    def test_fancy_rename(self):
138
93
        # This should work everywhere
139
 
        self.create_file('a', 'something in a\n')
140
 
        self._fancy_rename('a', 'b')
 
94
        def rename(a, b):
 
95
            osutils.fancy_rename(a, b,
 
96
                    rename_func=os.rename,
 
97
                    unlink_func=os.unlink)
 
98
 
 
99
        open('a', 'wb').write('something in a\n')
 
100
        rename('a', 'b')
141
101
        self.failIfExists('a')
142
102
        self.failUnlessExists('b')
143
103
        self.check_file_contents('b', 'something in a\n')
144
104
 
145
 
        self.create_file('a', 'new something in a\n')
146
 
        self._fancy_rename('b', 'a')
 
105
        open('a', 'wb').write('new something in a\n')
 
106
        rename('b', 'a')
147
107
 
148
108
        self.check_file_contents('a', 'something in a\n')
149
109
 
150
 
    def test_fancy_rename_fails_source_missing(self):
151
 
        # An exception should be raised, and the target should be left in place
152
 
        self.create_file('target', 'data in target\n')
153
 
        self.assertRaises((IOError, OSError), self._fancy_rename,
154
 
                          'missingsource', 'target')
155
 
        self.failUnlessExists('target')
156
 
        self.check_file_contents('target', 'data in target\n')
157
 
 
158
 
    def test_fancy_rename_fails_if_source_and_target_missing(self):
159
 
        self.assertRaises((IOError, OSError), self._fancy_rename,
160
 
                          'missingsource', 'missingtarget')
161
 
 
162
110
    def test_rename(self):
163
111
        # Rename should be semi-atomic on all platforms
164
 
        self.create_file('a', 'something in a\n')
 
112
        open('a', 'wb').write('something in a\n')
165
113
        osutils.rename('a', 'b')
166
114
        self.failIfExists('a')
167
115
        self.failUnlessExists('b')
168
116
        self.check_file_contents('b', 'something in a\n')
169
117
 
170
 
        self.create_file('a', 'new something in a\n')
 
118
        open('a', 'wb').write('new something in a\n')
171
119
        osutils.rename('b', 'a')
172
120
 
173
121
        self.check_file_contents('a', 'something in a\n')
184
132
        shape = sorted(os.listdir('.'))
185
133
        self.assertEquals(['A', 'B'], shape)
186
134
 
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')
193
 
 
194
 
 
195
 
class TestRandChars(tests.TestCase):
196
 
 
197
135
    def test_01_rand_chars_empty(self):
198
136
        result = osutils.rand_chars(0)
199
137
        self.assertEqual(result, '')
204
142
        self.assertEqual(type(result), str)
205
143
        self.assertContainsRe(result, r'^[a-z0-9]{100}$')
206
144
 
207
 
 
208
 
class TestIsInside(tests.TestCase):
209
 
 
210
145
    def test_is_inside(self):
211
146
        is_inside = osutils.is_inside
212
147
        self.assertTrue(is_inside('src', 'src/foo.c'))
217
152
        self.assertTrue(is_inside('', 'foo.c'))
218
153
 
219
154
    def test_is_inside_any(self):
220
 
        SRC_FOO_C = osutils.pathjoin('src', 'foo.c')
 
155
        SRC_FOO_C = pathjoin('src', 'foo.c')
221
156
        for dirs, fn in [(['src', 'doc'], SRC_FOO_C),
222
157
                         (['src'], SRC_FOO_C),
223
158
                         (['src'], 'src'),
224
159
                         ]:
225
 
            self.assert_(osutils.is_inside_any(dirs, fn))
 
160
            self.assert_(is_inside_any(dirs, fn))
226
161
        for dirs, fn in [(['src'], 'srccontrol'),
227
162
                         (['src'], 'srccontrol/foo')]:
228
 
            self.assertFalse(osutils.is_inside_any(dirs, fn))
 
163
            self.assertFalse(is_inside_any(dirs, fn))
229
164
 
230
165
    def test_is_inside_or_parent_of_any(self):
231
166
        for dirs, fn in [(['src', 'doc'], 'src/foo.c'),
234
169
                         (['src/bar.c', 'bla/foo.c'], 'src'),
235
170
                         (['src'], 'src'),
236
171
                         ]:
237
 
            self.assert_(osutils.is_inside_or_parent_of_any(dirs, fn))
238
 
 
 
172
            self.assert_(is_inside_or_parent_of_any(dirs, fn))
 
173
            
239
174
        for dirs, fn in [(['src'], 'srccontrol'),
240
175
                         (['srccontrol/foo.c'], 'src'),
241
176
                         (['src'], 'srccontrol/foo')]:
242
 
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
243
 
 
244
 
 
245
 
class TestRmTree(tests.TestCaseInTempDir):
 
177
            self.assertFalse(is_inside_or_parent_of_any(dirs, fn))
246
178
 
247
179
    def test_rmtree(self):
248
180
        # Check to remove tree with read-only files/dirs
262
194
        self.failIfExists('dir/file')
263
195
        self.failIfExists('dir')
264
196
 
265
 
 
266
 
class TestDeleteAny(tests.TestCaseInTempDir):
267
 
 
268
 
    def test_delete_any_readonly(self):
269
 
        # from <https://bugs.launchpad.net/bzr/+bug/218206>
270
 
        self.build_tree(['d/', 'f'])
271
 
        osutils.make_readonly('d')
272
 
        osutils.make_readonly('f')
273
 
 
274
 
        osutils.delete_any('f')
275
 
        osutils.delete_any('d')
276
 
 
277
 
 
278
 
class TestKind(tests.TestCaseInTempDir):
279
 
 
280
197
    def test_file_kind(self):
281
198
        self.build_tree(['file', 'dir/'])
282
199
        self.assertEquals('file', osutils.file_kind('file'))
284
201
        if osutils.has_symlinks():
285
202
            os.symlink('symlink', 'symlink')
286
203
            self.assertEquals('symlink', osutils.file_kind('symlink'))
287
 
 
 
204
        
288
205
        # TODO: jam 20060529 Test a block device
289
206
        try:
290
207
            os.lstat('/dev/null')
312
229
                os.remove('socket')
313
230
 
314
231
    def test_kind_marker(self):
315
 
        self.assertEqual("", osutils.kind_marker("file"))
316
 
        self.assertEqual("/", osutils.kind_marker('directory'))
317
 
        self.assertEqual("/", osutils.kind_marker(osutils._directory_kind))
318
 
        self.assertEqual("@", osutils.kind_marker("symlink"))
319
 
        self.assertEqual("+", osutils.kind_marker("tree-reference"))
320
 
        self.assertEqual("", osutils.kind_marker("fifo"))
321
 
        self.assertEqual("", osutils.kind_marker("socket"))
322
 
        self.assertEqual("", osutils.kind_marker("unknown"))
323
 
 
324
 
 
325
 
class TestUmask(tests.TestCaseInTempDir):
 
232
        self.assertEqual(osutils.kind_marker('file'), '')
 
233
        self.assertEqual(osutils.kind_marker('directory'), '/')
 
234
        self.assertEqual(osutils.kind_marker('symlink'), '@')
 
235
        self.assertEqual(osutils.kind_marker('tree-reference'), '+')
326
236
 
327
237
    def test_get_umask(self):
328
238
        if sys.platform == 'win32':
331
241
            return
332
242
 
333
243
        orig_umask = osutils.get_umask()
334
 
        self.addCleanup(os.umask, orig_umask)
335
 
        os.umask(0222)
336
 
        self.assertEqual(0222, osutils.get_umask())
337
 
        os.umask(0022)
338
 
        self.assertEqual(0022, osutils.get_umask())
339
 
        os.umask(0002)
340
 
        self.assertEqual(0002, osutils.get_umask())
341
 
        os.umask(0027)
342
 
        self.assertEqual(0027, osutils.get_umask())
343
 
 
344
 
 
345
 
class TestDateTime(tests.TestCase):
 
244
        try:
 
245
            os.umask(0222)
 
246
            self.assertEqual(0222, osutils.get_umask())
 
247
            os.umask(0022)
 
248
            self.assertEqual(0022, osutils.get_umask())
 
249
            os.umask(0002)
 
250
            self.assertEqual(0002, osutils.get_umask())
 
251
            os.umask(0027)
 
252
            self.assertEqual(0027, osutils.get_umask())
 
253
        finally:
 
254
            os.umask(orig_umask)
346
255
 
347
256
    def assertFormatedDelta(self, expected, seconds):
348
257
        """Assert osutils.format_delta formats as expected"""
383
292
    def test_format_date(self):
384
293
        self.assertRaises(errors.UnsupportedTimezoneFormat,
385
294
            osutils.format_date, 0, timezone='foo')
386
 
        self.assertIsInstance(osutils.format_date(0), str)
387
 
        self.assertIsInstance(osutils.format_local_date(0), unicode)
388
 
        # Testing for the actual value of the local weekday without
389
 
        # duplicating the code from format_date is difficult.
390
 
        # Instead blackbox.test_locale should check for localized
391
 
        # dates once they do occur in output strings.
392
 
 
393
 
    def test_format_date_with_offset_in_original_timezone(self):
394
 
        self.assertEqual("Thu 1970-01-01 00:00:00 +0000",
395
 
            osutils.format_date_with_offset_in_original_timezone(0))
396
 
        self.assertEqual("Fri 1970-01-02 03:46:40 +0000",
397
 
            osutils.format_date_with_offset_in_original_timezone(100000))
398
 
        self.assertEqual("Fri 1970-01-02 05:46:40 +0200",
399
 
            osutils.format_date_with_offset_in_original_timezone(100000, 7200))
400
 
 
401
 
    def test_local_time_offset(self):
402
 
        """Test that local_time_offset() returns a sane value."""
403
 
        offset = osutils.local_time_offset()
404
 
        self.assertTrue(isinstance(offset, int))
405
 
        # Test that the offset is no more than a eighteen hours in
406
 
        # either direction.
407
 
        # Time zone handling is system specific, so it is difficult to
408
 
        # do more specific tests, but a value outside of this range is
409
 
        # probably wrong.
410
 
        eighteen_hours = 18 * 3600
411
 
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
412
 
 
413
 
    def test_local_time_offset_with_timestamp(self):
414
 
        """Test that local_time_offset() works with a timestamp."""
415
 
        offset = osutils.local_time_offset(1000000000.1234567)
416
 
        self.assertTrue(isinstance(offset, int))
417
 
        eighteen_hours = 18 * 3600
418
 
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
419
 
 
420
 
 
421
 
class TestLinks(tests.TestCaseInTempDir):
422
295
 
423
296
    def test_dereference_path(self):
424
 
        self.requireFeature(tests.SymlinkFeature)
 
297
        self.requireFeature(SymlinkFeature)
425
298
        cwd = osutils.realpath('.')
426
299
        os.mkdir('bar')
427
300
        bar_path = osutils.pathjoin(cwd, 'bar')
430
303
        self.assertEqual(bar_path, osutils.realpath('./bar'))
431
304
        os.symlink('bar', 'foo')
432
305
        self.assertEqual(bar_path, osutils.realpath('./foo'))
433
 
 
 
306
        
434
307
        # Does not dereference terminal symlinks
435
308
        foo_path = osutils.pathjoin(cwd, 'foo')
436
309
        self.assertEqual(foo_path, osutils.dereference_path('./foo'))
468
341
            osutils.make_readonly('dangling')
469
342
            osutils.make_writable('dangling')
470
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
 
471
350
    def test_host_os_dereferences_symlinks(self):
472
351
        osutils.host_os_dereferences_symlinks()
473
352
 
474
353
 
475
 
class TestCanonicalRelPath(tests.TestCaseInTempDir):
476
 
 
477
 
    _test_needs_features = [tests.CaseInsCasePresFilenameFeature]
478
 
 
479
 
    def test_canonical_relpath_simple(self):
480
 
        f = file('MixedCaseName', 'w')
481
 
        f.close()
482
 
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
483
 
        self.failUnlessEqual('work/MixedCaseName', actual)
484
 
 
485
 
    def test_canonical_relpath_missing_tail(self):
486
 
        os.mkdir('MixedCaseParent')
487
 
        actual = osutils.canonical_relpath(self.test_base_dir,
488
 
                                           'mixedcaseparent/nochild')
489
 
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
490
 
 
491
 
 
492
 
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
493
 
 
494
 
    def assertRelpath(self, expected, base, path):
495
 
        actual = osutils._cicp_canonical_relpath(base, path)
496
 
        self.assertEqual(expected, actual)
497
 
 
498
 
    def test_simple(self):
499
 
        self.build_tree(['MixedCaseName'])
500
 
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
501
 
        self.assertRelpath('MixedCaseName', base, 'mixedcAsename')
502
 
 
503
 
    def test_subdir_missing_tail(self):
504
 
        self.build_tree(['MixedCaseParent/', 'MixedCaseParent/a_child'])
505
 
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
506
 
        self.assertRelpath('MixedCaseParent/a_child', base,
507
 
                           'MixedCaseParent/a_child')
508
 
        self.assertRelpath('MixedCaseParent/a_child', base,
509
 
                           'MixedCaseParent/A_Child')
510
 
        self.assertRelpath('MixedCaseParent/not_child', base,
511
 
                           'MixedCaseParent/not_child')
512
 
 
513
 
    def test_at_root_slash(self):
514
 
        # We can't test this on Windows, because it has a 'MIN_ABS_PATHLENGTH'
515
 
        # check...
516
 
        if osutils.MIN_ABS_PATHLENGTH > 1:
517
 
            raise tests.TestSkipped('relpath requires %d chars'
518
 
                                    % osutils.MIN_ABS_PATHLENGTH)
519
 
        self.assertRelpath('foo', '/', '/foo')
520
 
 
521
 
    def test_at_root_drive(self):
522
 
        if sys.platform != 'win32':
523
 
            raise tests.TestNotApplicable('we can only test drive-letter relative'
524
 
                                          ' paths on Windows where we have drive'
525
 
                                          ' letters.')
526
 
        # see bug #322807
527
 
        # The specific issue is that when at the root of a drive, 'abspath'
528
 
        # returns "C:/" or just "/". However, the code assumes that abspath
529
 
        # always returns something like "C:/foo" or "/foo" (no trailing slash).
530
 
        self.assertRelpath('foo', 'C:/', 'C:/foo')
531
 
        self.assertRelpath('foo', 'X:/', 'X:/foo')
532
 
        self.assertRelpath('foo', 'X:/', 'X://foo')
533
 
 
534
 
 
535
 
class TestPumpFile(tests.TestCase):
 
354
class TestPumpFile(TestCase):
536
355
    """Test pumpfile method."""
537
 
 
538
356
    def setUp(self):
539
 
        tests.TestCase.setUp(self)
540
357
        # create a test datablock
541
358
        self.block_size = 512
542
359
        pattern = '0123456789ABCDEF'
549
366
        # make sure test data is larger than max read size
550
367
        self.assertTrue(self.test_data_len > self.block_size)
551
368
 
552
 
        from_file = file_utils.FakeReadFile(self.test_data)
 
369
        from_file = FakeReadFile(self.test_data)
553
370
        to_file = StringIO()
554
371
 
555
372
        # read (max / 2) bytes and verify read size wasn't affected
556
373
        num_bytes_to_read = self.block_size / 2
557
 
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
 
374
        pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
558
375
        self.assertEqual(from_file.get_max_read_size(), num_bytes_to_read)
559
376
        self.assertEqual(from_file.get_read_count(), 1)
560
377
 
561
378
        # read (max) bytes and verify read size wasn't affected
562
379
        num_bytes_to_read = self.block_size
563
380
        from_file.reset_read_count()
564
 
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
 
381
        pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
565
382
        self.assertEqual(from_file.get_max_read_size(), num_bytes_to_read)
566
383
        self.assertEqual(from_file.get_read_count(), 1)
567
384
 
568
385
        # read (max + 1) bytes and verify read size was limited
569
386
        num_bytes_to_read = self.block_size + 1
570
387
        from_file.reset_read_count()
571
 
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
 
388
        pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
572
389
        self.assertEqual(from_file.get_max_read_size(), self.block_size)
573
390
        self.assertEqual(from_file.get_read_count(), 2)
574
391
 
575
392
        # finish reading the rest of the data
576
393
        num_bytes_to_read = self.test_data_len - to_file.tell()
577
 
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
 
394
        pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
578
395
 
579
396
        # report error if the data wasn't equal (we only report the size due
580
397
        # to the length of the data)
590
407
        self.assertTrue(self.test_data_len > self.block_size)
591
408
 
592
409
        # retrieve data in blocks
593
 
        from_file = file_utils.FakeReadFile(self.test_data)
 
410
        from_file = FakeReadFile(self.test_data)
594
411
        to_file = StringIO()
595
 
        osutils.pumpfile(from_file, to_file, self.test_data_len,
596
 
                         self.block_size)
 
412
        pumpfile(from_file, to_file, self.test_data_len, self.block_size)
597
413
 
598
414
        # verify read size was equal to the maximum read size
599
415
        self.assertTrue(from_file.get_max_read_size() > 0)
614
430
        self.assertTrue(self.test_data_len > self.block_size)
615
431
 
616
432
        # retrieve data to EOF
617
 
        from_file = file_utils.FakeReadFile(self.test_data)
 
433
        from_file = FakeReadFile(self.test_data)
618
434
        to_file = StringIO()
619
 
        osutils.pumpfile(from_file, to_file, -1, self.block_size)
 
435
        pumpfile(from_file, to_file, -1, self.block_size)
620
436
 
621
437
        # verify read size was equal to the maximum read size
622
438
        self.assertEqual(from_file.get_max_read_size(), self.block_size)
634
450
        test verifies that any existing usages of pumpfile will not be broken
635
451
        with this new version."""
636
452
        # retrieve data using default (old) pumpfile method
637
 
        from_file = file_utils.FakeReadFile(self.test_data)
 
453
        from_file = FakeReadFile(self.test_data)
638
454
        to_file = StringIO()
639
 
        osutils.pumpfile(from_file, to_file)
 
455
        pumpfile(from_file, to_file)
640
456
 
641
457
        # report error if the data wasn't equal (we only report the size due
642
458
        # to the length of the data)
645
461
            message = "Data not equal.  Expected %d bytes, received %d."
646
462
            self.fail(message % (len(response_data), self.test_data_len))
647
463
 
648
 
    def test_report_activity(self):
649
 
        activity = []
650
 
        def log_activity(length, direction):
651
 
            activity.append((length, direction))
652
 
        from_file = StringIO(self.test_data)
653
 
        to_file = StringIO()
654
 
        osutils.pumpfile(from_file, to_file, buff_size=500,
655
 
                         report_activity=log_activity, direction='read')
656
 
        self.assertEqual([(500, 'read'), (500, 'read'), (500, 'read'),
657
 
                          (36, 'read')], activity)
658
 
 
659
 
        from_file = StringIO(self.test_data)
660
 
        to_file = StringIO()
661
 
        del activity[:]
662
 
        osutils.pumpfile(from_file, to_file, buff_size=500,
663
 
                         report_activity=log_activity, direction='write')
664
 
        self.assertEqual([(500, 'write'), (500, 'write'), (500, 'write'),
665
 
                          (36, 'write')], activity)
666
 
 
667
 
        # And with a limited amount of data
668
 
        from_file = StringIO(self.test_data)
669
 
        to_file = StringIO()
670
 
        del activity[:]
671
 
        osutils.pumpfile(from_file, to_file, buff_size=500, read_length=1028,
672
 
                         report_activity=log_activity, direction='read')
673
 
        self.assertEqual([(500, 'read'), (500, 'read'), (28, 'read')], activity)
674
 
 
675
 
 
676
 
 
677
 
class TestPumpStringFile(tests.TestCase):
 
464
 
 
465
class TestPumpStringFile(TestCase):
678
466
 
679
467
    def test_empty(self):
680
468
        output = StringIO()
681
 
        osutils.pump_string_file("", output)
 
469
        pump_string_file("", output)
682
470
        self.assertEqual("", output.getvalue())
683
471
 
684
472
    def test_more_than_segment_size(self):
685
473
        output = StringIO()
686
 
        osutils.pump_string_file("123456789", output, 2)
 
474
        pump_string_file("123456789", output, 2)
687
475
        self.assertEqual("123456789", output.getvalue())
688
476
 
689
477
    def test_segment_size(self):
690
478
        output = StringIO()
691
 
        osutils.pump_string_file("12", output, 2)
 
479
        pump_string_file("12", output, 2)
692
480
        self.assertEqual("12", output.getvalue())
693
481
 
694
482
    def test_segment_size_multiple(self):
695
483
        output = StringIO()
696
 
        osutils.pump_string_file("1234", output, 2)
 
484
        pump_string_file("1234", output, 2)
697
485
        self.assertEqual("1234", output.getvalue())
698
486
 
699
487
 
700
 
class TestRelpath(tests.TestCase):
701
 
 
702
 
    def test_simple_relpath(self):
703
 
        cwd = osutils.getcwd()
704
 
        subdir = cwd + '/subdir'
705
 
        self.assertEqual('subdir', osutils.relpath(cwd, subdir))
706
 
 
707
 
    def test_deep_relpath(self):
708
 
        cwd = osutils.getcwd()
709
 
        subdir = cwd + '/sub/subsubdir'
710
 
        self.assertEqual('sub/subsubdir', osutils.relpath(cwd, subdir))
711
 
 
712
 
    def test_not_relative(self):
713
 
        self.assertRaises(errors.PathNotChild,
714
 
                          osutils.relpath, 'C:/path', 'H:/path')
715
 
        self.assertRaises(errors.PathNotChild,
716
 
                          osutils.relpath, 'C:/', 'H:/path')
717
 
 
718
 
 
719
 
class TestSafeUnicode(tests.TestCase):
 
488
class TestSafeUnicode(TestCase):
720
489
 
721
490
    def test_from_ascii_string(self):
722
491
        self.assertEqual(u'foobar', osutils.safe_unicode('foobar'))
731
500
        self.assertEqual(u'foo\xae', osutils.safe_unicode('foo\xc2\xae'))
732
501
 
733
502
    def test_bad_utf8_string(self):
734
 
        self.assertRaises(errors.BzrBadParameterNotUnicode,
 
503
        self.assertRaises(BzrBadParameterNotUnicode,
735
504
                          osutils.safe_unicode,
736
505
                          '\xbb\xbb')
737
506
 
738
507
 
739
 
class TestSafeUtf8(tests.TestCase):
 
508
class TestSafeUtf8(TestCase):
740
509
 
741
510
    def test_from_ascii_string(self):
742
511
        f = 'foobar'
752
521
        self.assertEqual('foo\xc2\xae', osutils.safe_utf8('foo\xc2\xae'))
753
522
 
754
523
    def test_bad_utf8_string(self):
755
 
        self.assertRaises(errors.BzrBadParameterNotUnicode,
 
524
        self.assertRaises(BzrBadParameterNotUnicode,
756
525
                          osutils.safe_utf8, '\xbb\xbb')
757
526
 
758
527
 
759
 
class TestSafeRevisionId(tests.TestCase):
 
528
class TestSafeRevisionId(TestCase):
760
529
 
761
530
    def test_from_ascii_string(self):
762
531
        # this shouldn't give a warning because it's getting an ascii string
784
553
        self.assertEqual(None, osutils.safe_revision_id(None))
785
554
 
786
555
 
787
 
class TestSafeFileId(tests.TestCase):
 
556
class TestSafeFileId(TestCase):
788
557
 
789
558
    def test_from_ascii_string(self):
790
559
        self.assertEqual('foobar', osutils.safe_file_id('foobar'))
810
579
        self.assertEqual(None, osutils.safe_file_id(None))
811
580
 
812
581
 
813
 
class TestWin32Funcs(tests.TestCase):
814
 
    """Test that _win32 versions of os utilities return appropriate paths."""
 
582
class TestWin32Funcs(TestCase):
 
583
    """Test that the _win32 versions of os utilities return appropriate paths."""
815
584
 
816
585
    def test_abspath(self):
817
586
        self.assertEqual('C:/foo', osutils._win32_abspath('C:\\foo'))
824
593
        self.assertEqual('C:/foo', osutils._win32_realpath('C:/foo'))
825
594
 
826
595
    def test_pathjoin(self):
827
 
        self.assertEqual('path/to/foo',
828
 
                         osutils._win32_pathjoin('path', 'to', 'foo'))
829
 
        self.assertEqual('C:/foo',
830
 
                         osutils._win32_pathjoin('path\\to', 'C:\\foo'))
831
 
        self.assertEqual('C:/foo',
832
 
                         osutils._win32_pathjoin('path/to', 'C:/foo'))
833
 
        self.assertEqual('path/to/foo',
834
 
                         osutils._win32_pathjoin('path/to/', 'foo'))
835
 
        self.assertEqual('/foo',
836
 
                         osutils._win32_pathjoin('C:/path/to/', '/foo'))
837
 
        self.assertEqual('/foo',
838
 
                         osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
 
596
        self.assertEqual('path/to/foo', osutils._win32_pathjoin('path', 'to', 'foo'))
 
597
        self.assertEqual('C:/foo', osutils._win32_pathjoin('path\\to', 'C:\\foo'))
 
598
        self.assertEqual('C:/foo', osutils._win32_pathjoin('path/to', 'C:/foo'))
 
599
        self.assertEqual('path/to/foo', osutils._win32_pathjoin('path/to/', 'foo'))
 
600
        self.assertEqual('/foo', osutils._win32_pathjoin('C:/path/to/', '/foo'))
 
601
        self.assertEqual('/foo', osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
839
602
 
840
603
    def test_normpath(self):
841
 
        self.assertEqual('path/to/foo',
842
 
                         osutils._win32_normpath(r'path\\from\..\to\.\foo'))
843
 
        self.assertEqual('path/to/foo',
844
 
                         osutils._win32_normpath('path//from/../to/./foo'))
 
604
        self.assertEqual('path/to/foo', osutils._win32_normpath(r'path\\from\..\to\.\foo'))
 
605
        self.assertEqual('path/to/foo', osutils._win32_normpath('path//from/../to/./foo'))
845
606
 
846
607
    def test_getcwd(self):
847
608
        cwd = osutils._win32_getcwd()
876
637
        self.assertEqual(cwd+'/'+u, osutils._win98_abspath(u))
877
638
 
878
639
 
879
 
class TestWin32FuncsDirs(tests.TestCaseInTempDir):
 
640
class TestWin32FuncsDirs(TestCaseInTempDir):
880
641
    """Test win32 functions that create files."""
 
642
    
 
643
    def test_getcwd(self):
 
644
        if win32utils.winver == 'Windows 98':
 
645
            raise TestSkipped('Windows 98 cannot handle unicode filenames')
 
646
        # Make sure getcwd can handle unicode filenames
 
647
        try:
 
648
            os.mkdir(u'mu-\xb5')
 
649
        except UnicodeError:
 
650
            raise TestSkipped("Unable to create Unicode filename")
881
651
 
882
 
    def test_getcwd(self):
883
 
        self.requireFeature(tests.UnicodeFilenameFeature)
884
 
        os.mkdir(u'mu-\xb5')
885
652
        os.chdir(u'mu-\xb5')
886
653
        # TODO: jam 20060427 This will probably fail on Mac OSX because
887
654
        #       it will change the normalization of B\xe5gfors
892
659
    def test_minimum_path_selection(self):
893
660
        self.assertEqual(set(),
894
661
            osutils.minimum_path_selection([]))
895
 
        self.assertEqual(set(['a']),
896
 
            osutils.minimum_path_selection(['a']))
897
662
        self.assertEqual(set(['a', 'b']),
898
663
            osutils.minimum_path_selection(['a', 'b']))
899
664
        self.assertEqual(set(['a/', 'b']),
900
665
            osutils.minimum_path_selection(['a/', 'b']))
901
666
        self.assertEqual(set(['a/', 'b']),
902
667
            osutils.minimum_path_selection(['a/c', 'a/', 'b']))
903
 
        self.assertEqual(set(['a-b', 'a', 'a0b']),
904
 
            osutils.minimum_path_selection(['a-b', 'a/b', 'a0b', 'a']))
905
668
 
906
669
    def test_mkdtemp(self):
907
670
        tmpdir = osutils._win32_mkdtemp(dir='.')
963
726
        self.assertRaises(errors.BzrError, osutils.splitpath, 'a/../b')
964
727
 
965
728
 
966
 
class TestParentDirectories(tests.TestCaseInTempDir):
967
 
    """Test osutils.parent_directories()"""
968
 
 
969
 
    def test_parent_directories(self):
970
 
        self.assertEqual([], osutils.parent_directories('a'))
971
 
        self.assertEqual(['a'], osutils.parent_directories('a/b'))
972
 
        self.assertEqual(['a/b', 'a'], osutils.parent_directories('a/b/c'))
973
 
 
974
 
 
975
 
class TestMacFuncsDirs(tests.TestCaseInTempDir):
 
729
class TestMacFuncsDirs(TestCaseInTempDir):
976
730
    """Test mac special functions that require directories."""
977
731
 
978
732
    def test_getcwd(self):
979
 
        self.requireFeature(tests.UnicodeFilenameFeature)
980
 
        os.mkdir(u'B\xe5gfors')
 
733
        # On Mac, this will actually create Ba\u030agfors
 
734
        # but chdir will still work, because it accepts both paths
 
735
        try:
 
736
            os.mkdir(u'B\xe5gfors')
 
737
        except UnicodeError:
 
738
            raise TestSkipped("Unable to create Unicode filename")
 
739
 
981
740
        os.chdir(u'B\xe5gfors')
982
741
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
983
742
 
984
743
    def test_getcwd_nonnorm(self):
985
 
        self.requireFeature(tests.UnicodeFilenameFeature)
986
744
        # Test that _mac_getcwd() will normalize this path
987
 
        os.mkdir(u'Ba\u030agfors')
 
745
        try:
 
746
            os.mkdir(u'Ba\u030agfors')
 
747
        except UnicodeError:
 
748
            raise TestSkipped("Unable to create Unicode filename")
 
749
 
988
750
        os.chdir(u'Ba\u030agfors')
989
751
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
990
752
 
991
753
 
992
 
class TestChunksToLines(tests.TestCase):
993
 
 
994
 
    def test_smoketest(self):
995
 
        self.assertEqual(['foo\n', 'bar\n', 'baz\n'],
996
 
                         osutils.chunks_to_lines(['foo\nbar', '\nbaz\n']))
997
 
        self.assertEqual(['foo\n', 'bar\n', 'baz\n'],
998
 
                         osutils.chunks_to_lines(['foo\n', 'bar\n', 'baz\n']))
999
 
 
1000
 
    def test_osutils_binding(self):
1001
 
        from bzrlib.tests import test__chunks_to_lines
1002
 
        if test__chunks_to_lines.compiled_chunkstolines_feature.available():
1003
 
            from bzrlib._chunks_to_lines_pyx import chunks_to_lines
1004
 
        else:
1005
 
            from bzrlib._chunks_to_lines_py import chunks_to_lines
1006
 
        self.assertIs(chunks_to_lines, osutils.chunks_to_lines)
1007
 
 
1008
 
 
1009
 
class TestSplitLines(tests.TestCase):
 
754
class TestSplitLines(TestCase):
1010
755
 
1011
756
    def test_split_unicode(self):
1012
757
        self.assertEqual([u'foo\n', u'bar\xae'],
1019
764
                         osutils.split_lines('foo\rbar\n'))
1020
765
 
1021
766
 
1022
 
class TestWalkDirs(tests.TestCaseInTempDir):
1023
 
 
1024
 
    def assertExpectedBlocks(self, expected, result):
1025
 
        self.assertEqual(expected,
1026
 
                         [(dirinfo, [line[0:3] for line in block])
1027
 
                          for dirinfo, block in result])
 
767
class TestWalkDirs(TestCaseInTempDir):
1028
768
 
1029
769
    def test_walkdirs(self):
1030
770
        tree = [
1063
803
            result.append((dirdetail, dirblock))
1064
804
 
1065
805
        self.assertTrue(found_bzrdir)
1066
 
        self.assertExpectedBlocks(expected_dirblocks, result)
 
806
        self.assertEqual(expected_dirblocks,
 
807
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1067
808
        # you can search a subdir only, with a supplied prefix.
1068
809
        result = []
1069
810
        for dirblock in osutils.walkdirs('./1dir', '1dir'):
1070
811
            result.append(dirblock)
1071
 
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
1072
 
 
1073
 
    def test_walkdirs_os_error(self):
1074
 
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
1075
 
        # Pyrex readdir didn't raise useful messages if it had an error
1076
 
        # reading the directory
1077
 
        if sys.platform == 'win32':
1078
 
            raise tests.TestNotApplicable(
1079
 
                "readdir IOError not tested on win32")
1080
 
        os.mkdir("test-unreadable")
1081
 
        os.chmod("test-unreadable", 0000)
1082
 
        # must chmod it back so that it can be removed
1083
 
        self.addCleanup(os.chmod, "test-unreadable", 0700)
1084
 
        # The error is not raised until the generator is actually evaluated.
1085
 
        # (It would be ok if it happened earlier but at the moment it
1086
 
        # doesn't.)
1087
 
        e = self.assertRaises(OSError, list, osutils._walkdirs_utf8("."))
1088
 
        self.assertEquals('./test-unreadable', e.filename)
1089
 
        self.assertEquals(errno.EACCES, e.errno)
1090
 
        # Ensure the message contains the file name
1091
 
        self.assertContainsRe(str(e), "\./test-unreadable")
 
812
        self.assertEqual(expected_dirblocks[1:],
 
813
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1092
814
 
1093
815
    def test__walkdirs_utf8(self):
1094
816
        tree = [
1127
849
            result.append((dirdetail, dirblock))
1128
850
 
1129
851
        self.assertTrue(found_bzrdir)
1130
 
        self.assertExpectedBlocks(expected_dirblocks, result)
1131
 
 
 
852
        self.assertEqual(expected_dirblocks,
 
853
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1132
854
        # you can search a subdir only, with a supplied prefix.
1133
855
        result = []
1134
856
        for dirblock in osutils.walkdirs('./1dir', '1dir'):
1135
857
            result.append(dirblock)
1136
 
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
 
858
        self.assertEqual(expected_dirblocks[1:],
 
859
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1137
860
 
1138
861
    def _filter_out_stat(self, result):
1139
862
        """Filter out the stat value from the walkdirs result"""
1145
868
            dirblock[:] = new_dirblock
1146
869
 
1147
870
    def _save_platform_info(self):
1148
 
        self.overrideAttr(win32utils, 'winver')
1149
 
        self.overrideAttr(osutils, '_fs_enc')
1150
 
        self.overrideAttr(osutils, '_selected_dir_reader')
 
871
        cur_winver = win32utils.winver
 
872
        cur_fs_enc = osutils._fs_enc
 
873
        cur_dir_reader = osutils._selected_dir_reader
 
874
        def restore():
 
875
            win32utils.winver = cur_winver
 
876
            osutils._fs_enc = cur_fs_enc
 
877
            osutils._selected_dir_reader = cur_dir_reader
 
878
        self.addCleanup(restore)
1151
879
 
1152
 
    def assertDirReaderIs(self, expected):
 
880
    def assertReadFSDirIs(self, expected):
1153
881
        """Assert the right implementation for _walkdirs_utf8 is chosen."""
1154
882
        # Force it to redetect
1155
883
        osutils._selected_dir_reader = None
1162
890
        self._save_platform_info()
1163
891
        win32utils.winver = None # Avoid the win32 detection code
1164
892
        osutils._fs_enc = 'UTF-8'
1165
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
893
        self.assertReadFSDirIs(UTF8DirReaderFeature.reader)
1166
894
 
1167
895
    def test_force_walkdirs_utf8_fs_ascii(self):
1168
896
        self.requireFeature(UTF8DirReaderFeature)
1169
897
        self._save_platform_info()
1170
898
        win32utils.winver = None # Avoid the win32 detection code
1171
899
        osutils._fs_enc = 'US-ASCII'
1172
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
900
        self.assertReadFSDirIs(UTF8DirReaderFeature.reader)
1173
901
 
1174
902
    def test_force_walkdirs_utf8_fs_ANSI(self):
1175
903
        self.requireFeature(UTF8DirReaderFeature)
1176
904
        self._save_platform_info()
1177
905
        win32utils.winver = None # Avoid the win32 detection code
1178
906
        osutils._fs_enc = 'ANSI_X3.4-1968'
1179
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
907
        self.assertReadFSDirIs(UTF8DirReaderFeature.reader)
1180
908
 
1181
909
    def test_force_walkdirs_utf8_fs_latin1(self):
1182
910
        self._save_platform_info()
1183
911
        win32utils.winver = None # Avoid the win32 detection code
1184
912
        osutils._fs_enc = 'latin1'
1185
 
        self.assertDirReaderIs(osutils.UnicodeDirReader)
 
913
        self.assertReadFSDirIs(osutils.UnicodeDirReader)
1186
914
 
1187
915
    def test_force_walkdirs_utf8_nt(self):
1188
916
        # Disabled because the thunk of the whole walkdirs api is disabled.
1189
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
917
        self.requireFeature(Win32ReadDirFeature)
1190
918
        self._save_platform_info()
1191
919
        win32utils.winver = 'Windows NT'
1192
920
        from bzrlib._walkdirs_win32 import Win32ReadDir
1193
 
        self.assertDirReaderIs(Win32ReadDir)
 
921
        self.assertReadFSDirIs(Win32ReadDir)
1194
922
 
1195
923
    def test_force_walkdirs_utf8_98(self):
1196
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
924
        self.requireFeature(Win32ReadDirFeature)
1197
925
        self._save_platform_info()
1198
926
        win32utils.winver = 'Windows 98'
1199
 
        self.assertDirReaderIs(osutils.UnicodeDirReader)
 
927
        self.assertReadFSDirIs(osutils.UnicodeDirReader)
1200
928
 
1201
929
    def test_unicode_walkdirs(self):
1202
930
        """Walkdirs should always return unicode paths."""
1203
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1204
931
        name0 = u'0file-\xb6'
1205
932
        name1 = u'1dir-\u062c\u0648'
1206
933
        name2 = u'2file-\u0633'
1211
938
            name1 + '/' + name1 + '/',
1212
939
            name2,
1213
940
            ]
1214
 
        self.build_tree(tree)
 
941
        try:
 
942
            self.build_tree(tree)
 
943
        except UnicodeError:
 
944
            raise TestSkipped('Could not represent Unicode chars'
 
945
                              ' in current encoding.')
1215
946
        expected_dirblocks = [
1216
947
                ((u'', u'.'),
1217
948
                 [(name0, name0, 'file', './' + name0),
1243
974
 
1244
975
        The abspath portion might be in unicode or utf-8
1245
976
        """
1246
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1247
977
        name0 = u'0file-\xb6'
1248
978
        name1 = u'1dir-\u062c\u0648'
1249
979
        name2 = u'2file-\u0633'
1254
984
            name1 + '/' + name1 + '/',
1255
985
            name2,
1256
986
            ]
1257
 
        self.build_tree(tree)
 
987
        try:
 
988
            self.build_tree(tree)
 
989
        except UnicodeError:
 
990
            raise TestSkipped('Could not represent Unicode chars'
 
991
                              ' in current encoding.')
1258
992
        name0 = name0.encode('utf8')
1259
993
        name1 = name1.encode('utf8')
1260
994
        name2 = name2.encode('utf8')
1304
1038
 
1305
1039
        The abspath portion should be in unicode
1306
1040
        """
1307
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1308
1041
        # Use the unicode reader. TODO: split into driver-and-driven unit
1309
1042
        # tests.
1310
1043
        self._save_platform_info()
1319
1052
            name1u + '/' + name1u + '/',
1320
1053
            name2u,
1321
1054
            ]
1322
 
        self.build_tree(tree)
 
1055
        try:
 
1056
            self.build_tree(tree)
 
1057
        except UnicodeError:
 
1058
            raise TestSkipped('Could not represent Unicode chars'
 
1059
                              ' in current encoding.')
1323
1060
        name0 = name0u.encode('utf8')
1324
1061
        name1 = name1u.encode('utf8')
1325
1062
        name2 = name2u.encode('utf8')
1350
1087
        self.assertEqual(expected_dirblocks, result)
1351
1088
 
1352
1089
    def test__walkdirs_utf8_win32readdir(self):
1353
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1090
        self.requireFeature(Win32ReadDirFeature)
1354
1091
        self.requireFeature(tests.UnicodeFilenameFeature)
1355
1092
        from bzrlib._walkdirs_win32 import Win32ReadDir
1356
1093
        self._save_platform_info()
1407
1144
 
1408
1145
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1409
1146
        """make sure our Stat values are valid"""
1410
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1147
        self.requireFeature(Win32ReadDirFeature)
1411
1148
        self.requireFeature(tests.UnicodeFilenameFeature)
1412
1149
        from bzrlib._walkdirs_win32 import Win32ReadDir
1413
1150
        name0u = u'0file-\xb6'
1431
1168
 
1432
1169
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1433
1170
        """make sure our Stat values are valid"""
1434
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1171
        self.requireFeature(Win32ReadDirFeature)
1435
1172
        self.requireFeature(tests.UnicodeFilenameFeature)
1436
1173
        from bzrlib._walkdirs_win32 import Win32ReadDir
1437
1174
        name0u = u'0dir-\u062c\u0648'
1522
1259
            sorted(original_paths, cmp=osutils.compare_paths_prefix_order))
1523
1260
 
1524
1261
 
1525
 
class TestCopyTree(tests.TestCaseInTempDir):
1526
 
 
 
1262
class TestCopyTree(TestCaseInTempDir):
 
1263
    
1527
1264
    def test_copy_basic_tree(self):
1528
1265
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
1529
1266
        osutils.copy_tree('source', 'target')
1538
1275
        self.assertEqual(['c'], os.listdir('target/b'))
1539
1276
 
1540
1277
    def test_copy_tree_symlinks(self):
1541
 
        self.requireFeature(tests.SymlinkFeature)
 
1278
        self.requireFeature(SymlinkFeature)
1542
1279
        self.build_tree(['source/'])
1543
1280
        os.symlink('a/generic/path', 'source/lnk')
1544
1281
        osutils.copy_tree('source', 'target')
1574
1311
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
1575
1312
 
1576
1313
 
1577
 
class TestSetUnsetEnv(tests.TestCase):
 
1314
#class TestTerminalEncoding has been moved to test_osutils_encodings.py
 
1315
# [bialix] 2006/12/26
 
1316
 
 
1317
 
 
1318
class TestSetUnsetEnv(TestCase):
1578
1319
    """Test updating the environment"""
1579
1320
 
1580
1321
    def setUp(self):
1586
1327
        def cleanup():
1587
1328
            if 'BZR_TEST_ENV_VAR' in os.environ:
1588
1329
                del os.environ['BZR_TEST_ENV_VAR']
 
1330
 
1589
1331
        self.addCleanup(cleanup)
1590
1332
 
1591
1333
    def test_set(self):
1603
1345
 
1604
1346
    def test_unicode(self):
1605
1347
        """Environment can only contain plain strings
1606
 
 
 
1348
        
1607
1349
        So Unicode strings must be encoded.
1608
1350
        """
1609
 
        uni_val, env_val = tests.probe_unicode_in_user_encoding()
 
1351
        uni_val, env_val = probe_unicode_in_user_encoding()
1610
1352
        if uni_val is None:
1611
 
            raise tests.TestSkipped(
1612
 
                'Cannot find a unicode character that works in encoding %s'
1613
 
                % (osutils.get_user_encoding(),))
 
1353
            raise TestSkipped('Cannot find a unicode character that works in'
 
1354
                              ' encoding %s' % (bzrlib.user_encoding,))
1614
1355
 
1615
1356
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', uni_val)
1616
1357
        self.assertEqual(env_val, os.environ.get('BZR_TEST_ENV_VAR'))
1624
1365
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
1625
1366
 
1626
1367
 
1627
 
class TestSizeShaFile(tests.TestCaseInTempDir):
1628
 
 
1629
 
    def test_sha_empty(self):
1630
 
        self.build_tree_contents([('foo', '')])
1631
 
        expected_sha = osutils.sha_string('')
1632
 
        f = open('foo')
1633
 
        self.addCleanup(f.close)
1634
 
        size, sha = osutils.size_sha_file(f)
1635
 
        self.assertEqual(0, size)
1636
 
        self.assertEqual(expected_sha, sha)
1637
 
 
1638
 
    def test_sha_mixed_endings(self):
1639
 
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
1640
 
        self.build_tree_contents([('foo', text)])
1641
 
        expected_sha = osutils.sha_string(text)
1642
 
        f = open('foo', 'rb')
1643
 
        self.addCleanup(f.close)
1644
 
        size, sha = osutils.size_sha_file(f)
1645
 
        self.assertEqual(38, size)
1646
 
        self.assertEqual(expected_sha, sha)
1647
 
 
1648
 
 
1649
 
class TestShaFileByName(tests.TestCaseInTempDir):
1650
 
 
1651
 
    def test_sha_empty(self):
1652
 
        self.build_tree_contents([('foo', '')])
1653
 
        expected_sha = osutils.sha_string('')
1654
 
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
1655
 
 
1656
 
    def test_sha_mixed_endings(self):
1657
 
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
1658
 
        self.build_tree_contents([('foo', text)])
1659
 
        expected_sha = osutils.sha_string(text)
1660
 
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
1661
 
 
1662
 
 
1663
 
class TestResourceLoading(tests.TestCaseInTempDir):
 
1368
class TestLocalTimeOffset(TestCase):
 
1369
 
 
1370
    def test_local_time_offset(self):
 
1371
        """Test that local_time_offset() returns a sane value."""
 
1372
        offset = osutils.local_time_offset()
 
1373
        self.assertTrue(isinstance(offset, int))
 
1374
        # Test that the offset is no more than a eighteen hours in
 
1375
        # either direction.
 
1376
        # Time zone handling is system specific, so it is difficult to
 
1377
        # do more specific tests, but a value outside of this range is
 
1378
        # probably wrong.
 
1379
        eighteen_hours = 18 * 3600
 
1380
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
 
1381
 
 
1382
    def test_local_time_offset_with_timestamp(self):
 
1383
        """Test that local_time_offset() works with a timestamp."""
 
1384
        offset = osutils.local_time_offset(1000000000.1234567)
 
1385
        self.assertTrue(isinstance(offset, int))
 
1386
        eighteen_hours = 18 * 3600
 
1387
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
 
1388
 
 
1389
 
 
1390
class TestShaFileByName(TestCaseInTempDir):
 
1391
 
 
1392
    def test_sha_empty(self):
 
1393
        self.build_tree_contents([('foo', '')])
 
1394
        expected_sha = osutils.sha_string('')
 
1395
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
 
1396
 
 
1397
    def test_sha_mixed_endings(self):
 
1398
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
 
1399
        self.build_tree_contents([('foo', text)])
 
1400
        expected_sha = osutils.sha_string(text)
 
1401
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
 
1402
 
 
1403
 
 
1404
_debug_text = \
 
1405
r'''# Copyright (C) 2005, 2006 Canonical Ltd
 
1406
#
 
1407
# This program is free software; you can redistribute it and/or modify
 
1408
# it under the terms of the GNU General Public License as published by
 
1409
# the Free Software Foundation; either version 2 of the License, or
 
1410
# (at your option) any later version.
 
1411
#
 
1412
# This program is distributed in the hope that it will be useful,
 
1413
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
1414
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
1415
# GNU General Public License for more details.
 
1416
#
 
1417
# You should have received a copy of the GNU General Public License
 
1418
# along with this program; if not, write to the Free Software
 
1419
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
1420
 
 
1421
 
 
1422
# NOTE: If update these, please also update the help for global-options in
 
1423
#       bzrlib/help_topics/__init__.py
 
1424
 
 
1425
debug_flags = set()
 
1426
"""Set of flags that enable different debug behaviour.
 
1427
 
 
1428
These are set with eg ``-Dlock`` on the bzr command line.
 
1429
 
 
1430
Options include:
 
1431
 
 
1432
 * auth - show authentication sections used
 
1433
 * error - show stack traces for all top level exceptions
 
1434
 * evil - capture call sites that do expensive or badly-scaling operations.
 
1435
 * fetch - trace history copying between repositories
 
1436
 * graph - trace graph traversal information
 
1437
 * hashcache - log every time a working file is read to determine its hash
 
1438
 * hooks - trace hook execution
 
1439
 * hpss - trace smart protocol requests and responses
 
1440
 * http - trace http connections, requests and responses
 
1441
 * index - trace major index operations
 
1442
 * knit - trace knit operations
 
1443
 * lock - trace when lockdir locks are taken or released
 
1444
 * merge - emit information for debugging merges
 
1445
 * pack - emit information about pack operations
 
1446
 
 
1447
"""
 
1448
'''
 
1449
 
 
1450
 
 
1451
class TestResourceLoading(TestCaseInTempDir):
1664
1452
 
1665
1453
    def test_resource_string(self):
1666
1454
        # test resource in bzrlib
1667
1455
        text = osutils.resource_string('bzrlib', 'debug.py')
1668
 
        self.assertContainsRe(text, "debug_flags = set()")
 
1456
        self.assertEquals(_debug_text, text)
1669
1457
        # test resource under bzrlib
1670
1458
        text = osutils.resource_string('bzrlib.ui', 'text.py')
1671
1459
        self.assertContainsRe(text, "class TextUIFactory")
1674
1462
            'yyy.xx')
1675
1463
        # test unknown resource
1676
1464
        self.assertRaises(IOError, osutils.resource_string, 'bzrlib', 'yyy.xx')
1677
 
 
1678
 
 
1679
 
class TestReCompile(tests.TestCase):
1680
 
 
1681
 
    def test_re_compile_checked(self):
1682
 
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
1683
 
        self.assertTrue(r.match('aaaa'))
1684
 
        self.assertTrue(r.match('aAaA'))
1685
 
 
1686
 
    def test_re_compile_checked_error(self):
1687
 
        # like https://bugs.launchpad.net/bzr/+bug/251352
1688
 
        err = self.assertRaises(
1689
 
            errors.BzrCommandError,
1690
 
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
1691
 
        self.assertEqual(
1692
 
            "Invalid regular expression in test case: '*': "
1693
 
            "nothing to repeat",
1694
 
            str(err))
1695
 
 
1696
 
 
1697
 
class TestDirReader(tests.TestCaseInTempDir):
1698
 
 
1699
 
    # Set by load_tests
1700
 
    _dir_reader_class = None
1701
 
    _native_to_unicode = None
1702
 
 
1703
 
    def setUp(self):
1704
 
        tests.TestCaseInTempDir.setUp(self)
1705
 
        self.overrideAttr(osutils,
1706
 
                          '_selected_dir_reader', self._dir_reader_class())
1707
 
 
1708
 
    def _get_ascii_tree(self):
1709
 
        tree = [
1710
 
            '0file',
1711
 
            '1dir/',
1712
 
            '1dir/0file',
1713
 
            '1dir/1dir/',
1714
 
            '2file'
1715
 
            ]
1716
 
        expected_dirblocks = [
1717
 
                (('', '.'),
1718
 
                 [('0file', '0file', 'file'),
1719
 
                  ('1dir', '1dir', 'directory'),
1720
 
                  ('2file', '2file', 'file'),
1721
 
                 ]
1722
 
                ),
1723
 
                (('1dir', './1dir'),
1724
 
                 [('1dir/0file', '0file', 'file'),
1725
 
                  ('1dir/1dir', '1dir', 'directory'),
1726
 
                 ]
1727
 
                ),
1728
 
                (('1dir/1dir', './1dir/1dir'),
1729
 
                 [
1730
 
                 ]
1731
 
                ),
1732
 
            ]
1733
 
        return tree, expected_dirblocks
1734
 
 
1735
 
    def test_walk_cur_dir(self):
1736
 
        tree, expected_dirblocks = self._get_ascii_tree()
1737
 
        self.build_tree(tree)
1738
 
        result = list(osutils._walkdirs_utf8('.'))
1739
 
        # Filter out stat and abspath
1740
 
        self.assertEqual(expected_dirblocks,
1741
 
                         [(dirinfo, [line[0:3] for line in block])
1742
 
                          for dirinfo, block in result])
1743
 
 
1744
 
    def test_walk_sub_dir(self):
1745
 
        tree, expected_dirblocks = self._get_ascii_tree()
1746
 
        self.build_tree(tree)
1747
 
        # you can search a subdir only, with a supplied prefix.
1748
 
        result = list(osutils._walkdirs_utf8('./1dir', '1dir'))
1749
 
        # Filter out stat and abspath
1750
 
        self.assertEqual(expected_dirblocks[1:],
1751
 
                         [(dirinfo, [line[0:3] for line in block])
1752
 
                          for dirinfo, block in result])
1753
 
 
1754
 
    def _get_unicode_tree(self):
1755
 
        name0u = u'0file-\xb6'
1756
 
        name1u = u'1dir-\u062c\u0648'
1757
 
        name2u = u'2file-\u0633'
1758
 
        tree = [
1759
 
            name0u,
1760
 
            name1u + '/',
1761
 
            name1u + '/' + name0u,
1762
 
            name1u + '/' + name1u + '/',
1763
 
            name2u,
1764
 
            ]
1765
 
        name0 = name0u.encode('UTF-8')
1766
 
        name1 = name1u.encode('UTF-8')
1767
 
        name2 = name2u.encode('UTF-8')
1768
 
        expected_dirblocks = [
1769
 
                (('', '.'),
1770
 
                 [(name0, name0, 'file', './' + name0u),
1771
 
                  (name1, name1, 'directory', './' + name1u),
1772
 
                  (name2, name2, 'file', './' + name2u),
1773
 
                 ]
1774
 
                ),
1775
 
                ((name1, './' + name1u),
1776
 
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
1777
 
                                                        + '/' + name0u),
1778
 
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
1779
 
                                                            + '/' + name1u),
1780
 
                 ]
1781
 
                ),
1782
 
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
1783
 
                 [
1784
 
                 ]
1785
 
                ),
1786
 
            ]
1787
 
        return tree, expected_dirblocks
1788
 
 
1789
 
    def _filter_out(self, raw_dirblocks):
1790
 
        """Filter out a walkdirs_utf8 result.
1791
 
 
1792
 
        stat field is removed, all native paths are converted to unicode
1793
 
        """
1794
 
        filtered_dirblocks = []
1795
 
        for dirinfo, block in raw_dirblocks:
1796
 
            dirinfo = (dirinfo[0], self._native_to_unicode(dirinfo[1]))
1797
 
            details = []
1798
 
            for line in block:
1799
 
                details.append(line[0:3] + (self._native_to_unicode(line[4]), ))
1800
 
            filtered_dirblocks.append((dirinfo, details))
1801
 
        return filtered_dirblocks
1802
 
 
1803
 
    def test_walk_unicode_tree(self):
1804
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1805
 
        tree, expected_dirblocks = self._get_unicode_tree()
1806
 
        self.build_tree(tree)
1807
 
        result = list(osutils._walkdirs_utf8('.'))
1808
 
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1809
 
 
1810
 
    def test_symlink(self):
1811
 
        self.requireFeature(tests.SymlinkFeature)
1812
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1813
 
        target = u'target\N{Euro Sign}'
1814
 
        link_name = u'l\N{Euro Sign}nk'
1815
 
        os.symlink(target, link_name)
1816
 
        target_utf8 = target.encode('UTF-8')
1817
 
        link_name_utf8 = link_name.encode('UTF-8')
1818
 
        expected_dirblocks = [
1819
 
                (('', '.'),
1820
 
                 [(link_name_utf8, link_name_utf8,
1821
 
                   'symlink', './' + link_name),],
1822
 
                 )]
1823
 
        result = list(osutils._walkdirs_utf8('.'))
1824
 
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1825
 
 
1826
 
 
1827
 
class TestReadLink(tests.TestCaseInTempDir):
1828
 
    """Exposes os.readlink() problems and the osutils solution.
1829
 
 
1830
 
    The only guarantee offered by os.readlink(), starting with 2.6, is that a
1831
 
    unicode string will be returned if a unicode string is passed.
1832
 
 
1833
 
    But prior python versions failed to properly encode the passed unicode
1834
 
    string.
1835
 
    """
1836
 
    _test_needs_features = [tests.SymlinkFeature, tests.UnicodeFilenameFeature]
1837
 
 
1838
 
    def setUp(self):
1839
 
        super(tests.TestCaseInTempDir, self).setUp()
1840
 
        self.link = u'l\N{Euro Sign}ink'
1841
 
        self.target = u'targe\N{Euro Sign}t'
1842
 
        os.symlink(self.target, self.link)
1843
 
 
1844
 
    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))
1849
 
 
1850
 
    def test_os_readlink_link_decoding(self):
1851
 
        self.assertEquals(self.target.encode(osutils._fs_enc),
1852
 
                          os.readlink(self.link.encode(osutils._fs_enc)))
1853
 
 
1854
 
 
1855
 
class TestConcurrency(tests.TestCase):
1856
 
 
1857
 
    def setUp(self):
1858
 
        super(TestConcurrency, self).setUp()
1859
 
        self.overrideAttr(osutils, '_cached_local_concurrency')
1860
 
 
1861
 
    def test_local_concurrency(self):
1862
 
        concurrency = osutils.local_concurrency()
1863
 
        self.assertIsInstance(concurrency, int)
1864
 
 
1865
 
    def test_local_concurrency_environment_variable(self):
1866
 
        os.environ['BZR_CONCURRENCY'] = '2'
1867
 
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
1868
 
        os.environ['BZR_CONCURRENCY'] = '3'
1869
 
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
1870
 
        os.environ['BZR_CONCURRENCY'] = 'foo'
1871
 
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
1872
 
 
1873
 
    def test_option_concurrency(self):
1874
 
        os.environ['BZR_CONCURRENCY'] = '1'
1875
 
        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))
1879
 
 
1880
 
 
1881
 
class TestFailedToLoadExtension(tests.TestCase):
1882
 
 
1883
 
    def _try_loading(self):
1884
 
        try:
1885
 
            import bzrlib._fictional_extension_py
1886
 
        except ImportError, e:
1887
 
            osutils.failed_to_load_extension(e)
1888
 
            return True
1889
 
 
1890
 
    def setUp(self):
1891
 
        super(TestFailedToLoadExtension, self).setUp()
1892
 
        self.overrideAttr(osutils, '_extension_load_failures', [])
1893
 
 
1894
 
    def test_failure_to_load(self):
1895
 
        self._try_loading()
1896
 
        self.assertLength(1, osutils._extension_load_failures)
1897
 
        self.assertEquals(osutils._extension_load_failures[0],
1898
 
            "No module named _fictional_extension_py")
1899
 
 
1900
 
    def test_report_extension_load_failures_no_warning(self):
1901
 
        self.assertTrue(self._try_loading())
1902
 
        warnings, result = self.callCatchWarnings(osutils.report_extension_load_failures)
1903
 
        # it used to give a Python warning; it no longer does
1904
 
        self.assertLength(0, warnings)
1905
 
 
1906
 
    def test_report_extension_load_failures_message(self):
1907
 
        log = StringIO()
1908
 
        trace.push_log_file(log)
1909
 
        self.assertTrue(self._try_loading())
1910
 
        osutils.report_extension_load_failures()
1911
 
        self.assertContainsRe(
1912
 
            log.getvalue(),
1913
 
            r"bzr: warning: some compiled extensions could not be loaded; "
1914
 
            "see <https://answers\.launchpad\.net/bzr/\+faq/703>\n"
1915
 
            )
1916
 
 
1917
 
 
1918
 
class TestTerminalWidth(tests.TestCase):
1919
 
 
1920
 
    def replace_stdout(self, new):
1921
 
        self.overrideAttr(sys, 'stdout', new)
1922
 
 
1923
 
    def replace__terminal_size(self, new):
1924
 
        self.overrideAttr(osutils, '_terminal_size', new)
1925
 
 
1926
 
    def set_fake_tty(self):
1927
 
 
1928
 
        class I_am_a_tty(object):
1929
 
            def isatty(self):
1930
 
                return True
1931
 
 
1932
 
        self.replace_stdout(I_am_a_tty())
1933
 
 
1934
 
    def test_default_values(self):
1935
 
        self.assertEqual(80, osutils.default_terminal_width)
1936
 
 
1937
 
    def test_defaults_to_BZR_COLUMNS(self):
1938
 
        # BZR_COLUMNS is set by the test framework
1939
 
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
1940
 
        os.environ['BZR_COLUMNS'] = '12'
1941
 
        self.assertEqual(12, osutils.terminal_width())
1942
 
 
1943
 
    def test_falls_back_to_COLUMNS(self):
1944
 
        del os.environ['BZR_COLUMNS']
1945
 
        self.assertNotEqual('42', os.environ['COLUMNS'])
1946
 
        self.set_fake_tty()
1947
 
        os.environ['COLUMNS'] = '42'
1948
 
        self.assertEqual(42, osutils.terminal_width())
1949
 
 
1950
 
    def test_tty_default_without_columns(self):
1951
 
        del os.environ['BZR_COLUMNS']
1952
 
        del os.environ['COLUMNS']
1953
 
 
1954
 
        def terminal_size(w, h):
1955
 
            return 42, 42
1956
 
 
1957
 
        self.set_fake_tty()
1958
 
        # We need to override the osutils definition as it depends on the
1959
 
        # running environment that we can't control (PQM running without a
1960
 
        # controlling terminal is one example).
1961
 
        self.replace__terminal_size(terminal_size)
1962
 
        self.assertEqual(42, osutils.terminal_width())
1963
 
 
1964
 
    def test_non_tty_default_without_columns(self):
1965
 
        del os.environ['BZR_COLUMNS']
1966
 
        del os.environ['COLUMNS']
1967
 
        self.replace_stdout(None)
1968
 
        self.assertEqual(None, osutils.terminal_width())
1969
 
 
1970
 
    def test_no_TIOCGWINSZ(self):
1971
 
        self.requireFeature(term_ios_feature)
1972
 
        termios = term_ios_feature.module
1973
 
        # bug 63539 is about a termios without TIOCGWINSZ attribute
1974
 
        try:
1975
 
            orig = termios.TIOCGWINSZ
1976
 
        except AttributeError:
1977
 
            # We won't remove TIOCGWINSZ, because it doesn't exist anyway :)
1978
 
            pass
1979
 
        else:
1980
 
            self.overrideAttr(termios, 'TIOCGWINSZ')
1981
 
            del termios.TIOCGWINSZ
1982
 
        del os.environ['BZR_COLUMNS']
1983
 
        del os.environ['COLUMNS']
1984
 
        # Whatever the result is, if we don't raise an exception, it's ok.
1985
 
        osutils.terminal_width()
1986
 
 
1987
 
class TestCreationOps(tests.TestCaseInTempDir):
1988
 
    _test_needs_features = [features.chown_feature]
1989
 
 
1990
 
    def setUp(self):
1991
 
        tests.TestCaseInTempDir.setUp(self)
1992
 
        self.overrideAttr(os, 'chown', self._dummy_chown)
1993
 
 
1994
 
        # params set by call to _dummy_chown
1995
 
        self.path = self.uid = self.gid = None
1996
 
 
1997
 
    def _dummy_chown(self, path, uid, gid):
1998
 
        self.path, self.uid, self.gid = path, uid, gid
1999
 
 
2000
 
    def test_copy_ownership_from_path(self):
2001
 
        """copy_ownership_from_path test with specified src."""
2002
 
        ownsrc = '/'
2003
 
        f = open('test_file', 'wt')
2004
 
        osutils.copy_ownership_from_path('test_file', ownsrc)
2005
 
 
2006
 
        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)
2010
 
 
2011
 
    def test_copy_ownership_nonesrc(self):
2012
 
        """copy_ownership_from_path test with src=None."""
2013
 
        f = open('test_file', 'wt')
2014
 
        # should use parent dir for permissions
2015
 
        osutils.copy_ownership_from_path('test_file')
2016
 
 
2017
 
        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)