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Viewing changes to bzrlib/tests/test_osutils.py

  • Committer: Vincent Ladeuil
  • Date: 2007-06-20 14:25:06 UTC
  • mfrom: (2540 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2646.
  • Revision ID: v.ladeuil+lp@free.fr-20070620142506-txsb1v8538kpsafw
merge bzr.dev @ 2540

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bzrlib/tests/test_osutils.py
1
 
# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd
 
1
# Copyright (C) 2005, 2006 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
 
from cStringIO import StringIO
20
19
import errno
21
20
import os
22
 
import re
23
21
import socket
24
22
import stat
25
23
import sys
26
 
import time
27
24
 
 
25
import bzrlib
28
26
from bzrlib import (
29
27
    errors,
30
28
    osutils,
31
 
    tests,
32
 
    trace,
33
29
    win32utils,
34
30
    )
 
31
from bzrlib.errors import BzrBadParameterNotUnicode, InvalidURL
35
32
from bzrlib.tests import (
36
 
    file_utils,
37
 
    test__walkdirs_win32,
38
 
    )
39
 
 
40
 
 
41
 
class _UTF8DirReaderFeature(tests.Feature):
42
 
 
43
 
    def _probe(self):
44
 
        try:
45
 
            from bzrlib import _readdir_pyx
46
 
            self.reader = _readdir_pyx.UTF8DirReader
47
 
            return True
48
 
        except ImportError:
49
 
            return False
50
 
 
51
 
    def feature_name(self):
52
 
        return 'bzrlib._readdir_pyx'
53
 
 
54
 
UTF8DirReaderFeature = _UTF8DirReaderFeature()
55
 
 
56
 
term_ios_feature = tests.ModuleAvailableFeature('termios')
57
 
 
58
 
 
59
 
def _already_unicode(s):
60
 
    return s
61
 
 
62
 
 
63
 
def _utf8_to_unicode(s):
64
 
    return s.decode('UTF-8')
65
 
 
66
 
 
67
 
def dir_reader_scenarios():
68
 
    # For each dir reader we define:
69
 
 
70
 
    # - native_to_unicode: a function converting the native_abspath as returned
71
 
    #   by DirReader.read_dir to its unicode representation
72
 
 
73
 
    # UnicodeDirReader is the fallback, it should be tested on all platforms.
74
 
    scenarios = [('unicode',
75
 
                  dict(_dir_reader_class=osutils.UnicodeDirReader,
76
 
                       _native_to_unicode=_already_unicode))]
77
 
    # Some DirReaders are platform specific and even there they may not be
78
 
    # available.
79
 
    if UTF8DirReaderFeature.available():
80
 
        from bzrlib import _readdir_pyx
81
 
        scenarios.append(('utf8',
82
 
                          dict(_dir_reader_class=_readdir_pyx.UTF8DirReader,
83
 
                               _native_to_unicode=_utf8_to_unicode)))
84
 
 
85
 
    if test__walkdirs_win32.win32_readdir_feature.available():
86
 
        try:
87
 
            from bzrlib import _walkdirs_win32
88
 
            scenarios.append(
89
 
                ('win32',
90
 
                 dict(_dir_reader_class=_walkdirs_win32.Win32ReadDir,
91
 
                      _native_to_unicode=_already_unicode)))
92
 
        except ImportError:
93
 
            pass
94
 
    return scenarios
95
 
 
96
 
 
97
 
def load_tests(basic_tests, module, loader):
98
 
    suite = loader.suiteClass()
99
 
    dir_reader_tests, remaining_tests = tests.split_suite_by_condition(
100
 
        basic_tests, tests.condition_isinstance(TestDirReader))
101
 
    tests.multiply_tests(dir_reader_tests, dir_reader_scenarios(), suite)
102
 
    suite.addTest(remaining_tests)
103
 
    return suite
104
 
 
105
 
 
106
 
class TestContainsWhitespace(tests.TestCase):
 
33
        StringIOWrapper,
 
34
        TestCase, 
 
35
        TestCaseInTempDir, 
 
36
        TestSkipped,
 
37
        )
 
38
 
 
39
 
 
40
class TestOSUtils(TestCaseInTempDir):
107
41
 
108
42
    def test_contains_whitespace(self):
109
43
        self.failUnless(osutils.contains_whitespace(u' '))
119
53
        self.failIf(osutils.contains_whitespace(u'hellothere'))
120
54
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
121
55
 
122
 
 
123
 
class TestRename(tests.TestCaseInTempDir):
124
 
 
125
 
    def create_file(self, filename, content):
126
 
        f = open(filename, 'wb')
127
 
        try:
128
 
            f.write(content)
129
 
        finally:
130
 
            f.close()
131
 
 
132
 
    def _fancy_rename(self, a, b):
133
 
        osutils.fancy_rename(a, b, rename_func=os.rename,
134
 
                             unlink_func=os.unlink)
135
 
 
136
56
    def test_fancy_rename(self):
137
57
        # This should work everywhere
138
 
        self.create_file('a', 'something in a\n')
139
 
        self._fancy_rename('a', 'b')
 
58
        def rename(a, b):
 
59
            osutils.fancy_rename(a, b,
 
60
                    rename_func=os.rename,
 
61
                    unlink_func=os.unlink)
 
62
 
 
63
        open('a', 'wb').write('something in a\n')
 
64
        rename('a', 'b')
140
65
        self.failIfExists('a')
141
66
        self.failUnlessExists('b')
142
67
        self.check_file_contents('b', 'something in a\n')
143
68
 
144
 
        self.create_file('a', 'new something in a\n')
145
 
        self._fancy_rename('b', 'a')
 
69
        open('a', 'wb').write('new something in a\n')
 
70
        rename('b', 'a')
146
71
 
147
72
        self.check_file_contents('a', 'something in a\n')
148
73
 
149
 
    def test_fancy_rename_fails_source_missing(self):
150
 
        # An exception should be raised, and the target should be left in place
151
 
        self.create_file('target', 'data in target\n')
152
 
        self.assertRaises((IOError, OSError), self._fancy_rename,
153
 
                          'missingsource', 'target')
154
 
        self.failUnlessExists('target')
155
 
        self.check_file_contents('target', 'data in target\n')
156
 
 
157
 
    def test_fancy_rename_fails_if_source_and_target_missing(self):
158
 
        self.assertRaises((IOError, OSError), self._fancy_rename,
159
 
                          'missingsource', 'missingtarget')
160
 
 
161
74
    def test_rename(self):
162
75
        # Rename should be semi-atomic on all platforms
163
 
        self.create_file('a', 'something in a\n')
 
76
        open('a', 'wb').write('something in a\n')
164
77
        osutils.rename('a', 'b')
165
78
        self.failIfExists('a')
166
79
        self.failUnlessExists('b')
167
80
        self.check_file_contents('b', 'something in a\n')
168
81
 
169
 
        self.create_file('a', 'new something in a\n')
 
82
        open('a', 'wb').write('new something in a\n')
170
83
        osutils.rename('b', 'a')
171
84
 
172
85
        self.check_file_contents('a', 'something in a\n')
173
86
 
174
87
    # TODO: test fancy_rename using a MemoryTransport
175
88
 
176
 
    def test_rename_change_case(self):
177
 
        # on Windows we should be able to change filename case by rename
178
 
        self.build_tree(['a', 'b/'])
179
 
        osutils.rename('a', 'A')
180
 
        osutils.rename('b', 'B')
181
 
        # we can't use failUnlessExists on case-insensitive filesystem
182
 
        # so try to check shape of the tree
183
 
        shape = sorted(os.listdir('.'))
184
 
        self.assertEquals(['A', 'B'], shape)
185
 
 
186
 
 
187
 
class TestRandChars(tests.TestCase):
188
 
 
189
89
    def test_01_rand_chars_empty(self):
190
90
        result = osutils.rand_chars(0)
191
91
        self.assertEqual(result, '')
196
96
        self.assertEqual(type(result), str)
197
97
        self.assertContainsRe(result, r'^[a-z0-9]{100}$')
198
98
 
199
 
 
200
 
class TestIsInside(tests.TestCase):
201
 
 
202
99
    def test_is_inside(self):
203
100
        is_inside = osutils.is_inside
204
101
        self.assertTrue(is_inside('src', 'src/foo.c'))
208
105
        self.assertFalse(is_inside('foo.c', ''))
209
106
        self.assertTrue(is_inside('', 'foo.c'))
210
107
 
211
 
    def test_is_inside_any(self):
212
 
        SRC_FOO_C = osutils.pathjoin('src', 'foo.c')
213
 
        for dirs, fn in [(['src', 'doc'], SRC_FOO_C),
214
 
                         (['src'], SRC_FOO_C),
215
 
                         (['src'], 'src'),
216
 
                         ]:
217
 
            self.assert_(osutils.is_inside_any(dirs, fn))
218
 
        for dirs, fn in [(['src'], 'srccontrol'),
219
 
                         (['src'], 'srccontrol/foo')]:
220
 
            self.assertFalse(osutils.is_inside_any(dirs, fn))
221
 
 
222
 
    def test_is_inside_or_parent_of_any(self):
223
 
        for dirs, fn in [(['src', 'doc'], 'src/foo.c'),
224
 
                         (['src'], 'src/foo.c'),
225
 
                         (['src/bar.c'], 'src'),
226
 
                         (['src/bar.c', 'bla/foo.c'], 'src'),
227
 
                         (['src'], 'src'),
228
 
                         ]:
229
 
            self.assert_(osutils.is_inside_or_parent_of_any(dirs, fn))
230
 
 
231
 
        for dirs, fn in [(['src'], 'srccontrol'),
232
 
                         (['srccontrol/foo.c'], 'src'),
233
 
                         (['src'], 'srccontrol/foo')]:
234
 
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
235
 
 
236
 
 
237
 
class TestRmTree(tests.TestCaseInTempDir):
238
 
 
239
108
    def test_rmtree(self):
240
109
        # Check to remove tree with read-only files/dirs
241
110
        os.mkdir('dir')
254
123
        self.failIfExists('dir/file')
255
124
        self.failIfExists('dir')
256
125
 
257
 
 
258
 
class TestDeleteAny(tests.TestCaseInTempDir):
259
 
 
260
 
    def test_delete_any_readonly(self):
261
 
        # from <https://bugs.launchpad.net/bzr/+bug/218206>
262
 
        self.build_tree(['d/', 'f'])
263
 
        osutils.make_readonly('d')
264
 
        osutils.make_readonly('f')
265
 
 
266
 
        osutils.delete_any('f')
267
 
        osutils.delete_any('d')
268
 
 
269
 
 
270
 
class TestKind(tests.TestCaseInTempDir):
271
 
 
272
126
    def test_file_kind(self):
273
127
        self.build_tree(['file', 'dir/'])
274
128
        self.assertEquals('file', osutils.file_kind('file'))
276
130
        if osutils.has_symlinks():
277
131
            os.symlink('symlink', 'symlink')
278
132
            self.assertEquals('symlink', osutils.file_kind('symlink'))
279
 
 
 
133
        
280
134
        # TODO: jam 20060529 Test a block device
281
135
        try:
282
136
            os.lstat('/dev/null')
304
158
                os.remove('socket')
305
159
 
306
160
    def test_kind_marker(self):
307
 
        self.assertEqual("", osutils.kind_marker("file"))
308
 
        self.assertEqual("/", osutils.kind_marker('directory'))
309
 
        self.assertEqual("/", osutils.kind_marker(osutils._directory_kind))
310
 
        self.assertEqual("@", osutils.kind_marker("symlink"))
311
 
        self.assertEqual("+", osutils.kind_marker("tree-reference"))
312
 
        self.assertRaises(errors.BzrError, osutils.kind_marker, "unknown")
313
 
 
314
 
 
315
 
class TestUmask(tests.TestCaseInTempDir):
 
161
        self.assertEqual(osutils.kind_marker('file'), '')
 
162
        self.assertEqual(osutils.kind_marker('directory'), '/')
 
163
        self.assertEqual(osutils.kind_marker('symlink'), '@')
 
164
        self.assertEqual(osutils.kind_marker('tree-reference'), '+')
316
165
 
317
166
    def test_get_umask(self):
318
167
        if sys.platform == 'win32':
321
170
            return
322
171
 
323
172
        orig_umask = osutils.get_umask()
324
 
        self.addCleanup(os.umask, orig_umask)
325
 
        os.umask(0222)
326
 
        self.assertEqual(0222, osutils.get_umask())
327
 
        os.umask(0022)
328
 
        self.assertEqual(0022, osutils.get_umask())
329
 
        os.umask(0002)
330
 
        self.assertEqual(0002, osutils.get_umask())
331
 
        os.umask(0027)
332
 
        self.assertEqual(0027, osutils.get_umask())
333
 
 
334
 
 
335
 
class TestDateTime(tests.TestCase):
 
173
        try:
 
174
            os.umask(0222)
 
175
            self.assertEqual(0222, osutils.get_umask())
 
176
            os.umask(0022)
 
177
            self.assertEqual(0022, osutils.get_umask())
 
178
            os.umask(0002)
 
179
            self.assertEqual(0002, osutils.get_umask())
 
180
            os.umask(0027)
 
181
            self.assertEqual(0027, osutils.get_umask())
 
182
        finally:
 
183
            os.umask(orig_umask)
336
184
 
337
185
    def assertFormatedDelta(self, expected, seconds):
338
186
        """Assert osutils.format_delta formats as expected"""
370
218
        self.assertFormatedDelta('1 second in the future', -1)
371
219
        self.assertFormatedDelta('2 seconds in the future', -2)
372
220
 
373
 
    def test_format_date(self):
374
 
        self.assertRaises(errors.UnsupportedTimezoneFormat,
375
 
            osutils.format_date, 0, timezone='foo')
376
 
        self.assertIsInstance(osutils.format_date(0), str)
377
 
        self.assertIsInstance(osutils.format_local_date(0), unicode)
378
 
        # Testing for the actual value of the local weekday without
379
 
        # duplicating the code from format_date is difficult.
380
 
        # Instead blackbox.test_locale should check for localized
381
 
        # dates once they do occur in output strings.
382
 
 
383
 
    def test_format_date_with_offset_in_original_timezone(self):
384
 
        self.assertEqual("Thu 1970-01-01 00:00:00 +0000",
385
 
            osutils.format_date_with_offset_in_original_timezone(0))
386
 
        self.assertEqual("Fri 1970-01-02 03:46:40 +0000",
387
 
            osutils.format_date_with_offset_in_original_timezone(100000))
388
 
        self.assertEqual("Fri 1970-01-02 05:46:40 +0200",
389
 
            osutils.format_date_with_offset_in_original_timezone(100000, 7200))
390
 
 
391
 
    def test_local_time_offset(self):
392
 
        """Test that local_time_offset() returns a sane value."""
393
 
        offset = osutils.local_time_offset()
394
 
        self.assertTrue(isinstance(offset, int))
395
 
        # Test that the offset is no more than a eighteen hours in
396
 
        # either direction.
397
 
        # Time zone handling is system specific, so it is difficult to
398
 
        # do more specific tests, but a value outside of this range is
399
 
        # probably wrong.
400
 
        eighteen_hours = 18 * 3600
401
 
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
402
 
 
403
 
    def test_local_time_offset_with_timestamp(self):
404
 
        """Test that local_time_offset() works with a timestamp."""
405
 
        offset = osutils.local_time_offset(1000000000.1234567)
406
 
        self.assertTrue(isinstance(offset, int))
407
 
        eighteen_hours = 18 * 3600
408
 
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
409
 
 
410
 
 
411
 
class TestLinks(tests.TestCaseInTempDir):
412
 
 
413
221
    def test_dereference_path(self):
414
 
        self.requireFeature(tests.SymlinkFeature)
 
222
        if not osutils.has_symlinks():
 
223
            raise TestSkipped('Symlinks are not supported on this platform')
415
224
        cwd = osutils.realpath('.')
416
225
        os.mkdir('bar')
417
226
        bar_path = osutils.pathjoin(cwd, 'bar')
420
229
        self.assertEqual(bar_path, osutils.realpath('./bar'))
421
230
        os.symlink('bar', 'foo')
422
231
        self.assertEqual(bar_path, osutils.realpath('./foo'))
423
 
 
 
232
        
424
233
        # Does not dereference terminal symlinks
425
234
        foo_path = osutils.pathjoin(cwd, 'foo')
426
235
        self.assertEqual(foo_path, osutils.dereference_path('./foo'))
437
246
        foo_baz_path = osutils.pathjoin(foo_path, 'baz')
438
247
        self.assertEqual(baz_path, osutils.dereference_path(foo_baz_path))
439
248
 
440
 
    def test_changing_access(self):
441
 
        f = file('file', 'w')
442
 
        f.write('monkey')
443
 
        f.close()
444
 
 
445
 
        # Make a file readonly
446
 
        osutils.make_readonly('file')
447
 
        mode = os.lstat('file').st_mode
448
 
        self.assertEqual(mode, mode & 0777555)
449
 
 
450
 
        # Make a file writable
451
 
        osutils.make_writable('file')
452
 
        mode = os.lstat('file').st_mode
453
 
        self.assertEqual(mode, mode | 0200)
454
 
 
455
 
        if osutils.has_symlinks():
456
 
            # should not error when handed a symlink
457
 
            os.symlink('nonexistent', 'dangling')
458
 
            osutils.make_readonly('dangling')
459
 
            osutils.make_writable('dangling')
460
 
 
461
 
    def test_host_os_dereferences_symlinks(self):
462
 
        osutils.host_os_dereferences_symlinks()
463
 
 
464
 
 
465
 
class TestCanonicalRelPath(tests.TestCaseInTempDir):
466
 
 
467
 
    _test_needs_features = [tests.CaseInsCasePresFilenameFeature]
468
 
 
469
 
    def test_canonical_relpath_simple(self):
470
 
        f = file('MixedCaseName', 'w')
471
 
        f.close()
472
 
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
473
 
        self.failUnlessEqual('work/MixedCaseName', actual)
474
 
 
475
 
    def test_canonical_relpath_missing_tail(self):
476
 
        os.mkdir('MixedCaseParent')
477
 
        actual = osutils.canonical_relpath(self.test_base_dir,
478
 
                                           'mixedcaseparent/nochild')
479
 
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
480
 
 
481
 
 
482
 
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
483
 
 
484
 
    def assertRelpath(self, expected, base, path):
485
 
        actual = osutils._cicp_canonical_relpath(base, path)
486
 
        self.assertEqual(expected, actual)
487
 
 
488
 
    def test_simple(self):
489
 
        self.build_tree(['MixedCaseName'])
490
 
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
491
 
        self.assertRelpath('MixedCaseName', base, 'mixedcAsename')
492
 
 
493
 
    def test_subdir_missing_tail(self):
494
 
        self.build_tree(['MixedCaseParent/', 'MixedCaseParent/a_child'])
495
 
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
496
 
        self.assertRelpath('MixedCaseParent/a_child', base,
497
 
                           'MixedCaseParent/a_child')
498
 
        self.assertRelpath('MixedCaseParent/a_child', base,
499
 
                           'MixedCaseParent/A_Child')
500
 
        self.assertRelpath('MixedCaseParent/not_child', base,
501
 
                           'MixedCaseParent/not_child')
502
 
 
503
 
    def test_at_root_slash(self):
504
 
        # We can't test this on Windows, because it has a 'MIN_ABS_PATHLENGTH'
505
 
        # check...
506
 
        if osutils.MIN_ABS_PATHLENGTH > 1:
507
 
            raise tests.TestSkipped('relpath requires %d chars'
508
 
                                    % osutils.MIN_ABS_PATHLENGTH)
509
 
        self.assertRelpath('foo', '/', '/foo')
510
 
 
511
 
    def test_at_root_drive(self):
512
 
        if sys.platform != 'win32':
513
 
            raise tests.TestNotApplicable('we can only test drive-letter relative'
514
 
                                          ' paths on Windows where we have drive'
515
 
                                          ' letters.')
516
 
        # see bug #322807
517
 
        # The specific issue is that when at the root of a drive, 'abspath'
518
 
        # returns "C:/" or just "/". However, the code assumes that abspath
519
 
        # always returns something like "C:/foo" or "/foo" (no trailing slash).
520
 
        self.assertRelpath('foo', 'C:/', 'C:/foo')
521
 
        self.assertRelpath('foo', 'X:/', 'X:/foo')
522
 
        self.assertRelpath('foo', 'X:/', 'X://foo')
523
 
 
524
 
 
525
 
class TestPumpFile(tests.TestCase):
526
 
    """Test pumpfile method."""
527
 
 
528
 
    def setUp(self):
529
 
        tests.TestCase.setUp(self)
530
 
        # create a test datablock
531
 
        self.block_size = 512
532
 
        pattern = '0123456789ABCDEF'
533
 
        self.test_data = pattern * (3 * self.block_size / len(pattern))
534
 
        self.test_data_len = len(self.test_data)
535
 
 
536
 
    def test_bracket_block_size(self):
537
 
        """Read data in blocks with the requested read size bracketing the
538
 
        block size."""
539
 
        # make sure test data is larger than max read size
540
 
        self.assertTrue(self.test_data_len > self.block_size)
541
 
 
542
 
        from_file = file_utils.FakeReadFile(self.test_data)
543
 
        to_file = StringIO()
544
 
 
545
 
        # read (max / 2) bytes and verify read size wasn't affected
546
 
        num_bytes_to_read = self.block_size / 2
547
 
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
548
 
        self.assertEqual(from_file.get_max_read_size(), num_bytes_to_read)
549
 
        self.assertEqual(from_file.get_read_count(), 1)
550
 
 
551
 
        # read (max) bytes and verify read size wasn't affected
552
 
        num_bytes_to_read = self.block_size
553
 
        from_file.reset_read_count()
554
 
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
555
 
        self.assertEqual(from_file.get_max_read_size(), num_bytes_to_read)
556
 
        self.assertEqual(from_file.get_read_count(), 1)
557
 
 
558
 
        # read (max + 1) bytes and verify read size was limited
559
 
        num_bytes_to_read = self.block_size + 1
560
 
        from_file.reset_read_count()
561
 
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
562
 
        self.assertEqual(from_file.get_max_read_size(), self.block_size)
563
 
        self.assertEqual(from_file.get_read_count(), 2)
564
 
 
565
 
        # finish reading the rest of the data
566
 
        num_bytes_to_read = self.test_data_len - to_file.tell()
567
 
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
568
 
 
569
 
        # report error if the data wasn't equal (we only report the size due
570
 
        # to the length of the data)
571
 
        response_data = to_file.getvalue()
572
 
        if response_data != self.test_data:
573
 
            message = "Data not equal.  Expected %d bytes, received %d."
574
 
            self.fail(message % (len(response_data), self.test_data_len))
575
 
 
576
 
    def test_specified_size(self):
577
 
        """Request a transfer larger than the maximum block size and verify
578
 
        that the maximum read doesn't exceed the block_size."""
579
 
        # make sure test data is larger than max read size
580
 
        self.assertTrue(self.test_data_len > self.block_size)
581
 
 
582
 
        # retrieve data in blocks
583
 
        from_file = file_utils.FakeReadFile(self.test_data)
584
 
        to_file = StringIO()
585
 
        osutils.pumpfile(from_file, to_file, self.test_data_len,
586
 
                         self.block_size)
587
 
 
588
 
        # verify read size was equal to the maximum read size
589
 
        self.assertTrue(from_file.get_max_read_size() > 0)
590
 
        self.assertEqual(from_file.get_max_read_size(), self.block_size)
591
 
        self.assertEqual(from_file.get_read_count(), 3)
592
 
 
593
 
        # report error if the data wasn't equal (we only report the size due
594
 
        # to the length of the data)
595
 
        response_data = to_file.getvalue()
596
 
        if response_data != self.test_data:
597
 
            message = "Data not equal.  Expected %d bytes, received %d."
598
 
            self.fail(message % (len(response_data), self.test_data_len))
599
 
 
600
 
    def test_to_eof(self):
601
 
        """Read to end-of-file and verify that the reads are not larger than
602
 
        the maximum read size."""
603
 
        # make sure test data is larger than max read size
604
 
        self.assertTrue(self.test_data_len > self.block_size)
605
 
 
606
 
        # retrieve data to EOF
607
 
        from_file = file_utils.FakeReadFile(self.test_data)
608
 
        to_file = StringIO()
609
 
        osutils.pumpfile(from_file, to_file, -1, self.block_size)
610
 
 
611
 
        # verify read size was equal to the maximum read size
612
 
        self.assertEqual(from_file.get_max_read_size(), self.block_size)
613
 
        self.assertEqual(from_file.get_read_count(), 4)
614
 
 
615
 
        # report error if the data wasn't equal (we only report the size due
616
 
        # to the length of the data)
617
 
        response_data = to_file.getvalue()
618
 
        if response_data != self.test_data:
619
 
            message = "Data not equal.  Expected %d bytes, received %d."
620
 
            self.fail(message % (len(response_data), self.test_data_len))
621
 
 
622
 
    def test_defaults(self):
623
 
        """Verifies that the default arguments will read to EOF -- this
624
 
        test verifies that any existing usages of pumpfile will not be broken
625
 
        with this new version."""
626
 
        # retrieve data using default (old) pumpfile method
627
 
        from_file = file_utils.FakeReadFile(self.test_data)
628
 
        to_file = StringIO()
629
 
        osutils.pumpfile(from_file, to_file)
630
 
 
631
 
        # report error if the data wasn't equal (we only report the size due
632
 
        # to the length of the data)
633
 
        response_data = to_file.getvalue()
634
 
        if response_data != self.test_data:
635
 
            message = "Data not equal.  Expected %d bytes, received %d."
636
 
            self.fail(message % (len(response_data), self.test_data_len))
637
 
 
638
 
    def test_report_activity(self):
639
 
        activity = []
640
 
        def log_activity(length, direction):
641
 
            activity.append((length, direction))
642
 
        from_file = StringIO(self.test_data)
643
 
        to_file = StringIO()
644
 
        osutils.pumpfile(from_file, to_file, buff_size=500,
645
 
                         report_activity=log_activity, direction='read')
646
 
        self.assertEqual([(500, 'read'), (500, 'read'), (500, 'read'),
647
 
                          (36, 'read')], activity)
648
 
 
649
 
        from_file = StringIO(self.test_data)
650
 
        to_file = StringIO()
651
 
        del activity[:]
652
 
        osutils.pumpfile(from_file, to_file, buff_size=500,
653
 
                         report_activity=log_activity, direction='write')
654
 
        self.assertEqual([(500, 'write'), (500, 'write'), (500, 'write'),
655
 
                          (36, 'write')], activity)
656
 
 
657
 
        # And with a limited amount of data
658
 
        from_file = StringIO(self.test_data)
659
 
        to_file = StringIO()
660
 
        del activity[:]
661
 
        osutils.pumpfile(from_file, to_file, buff_size=500, read_length=1028,
662
 
                         report_activity=log_activity, direction='read')
663
 
        self.assertEqual([(500, 'read'), (500, 'read'), (28, 'read')], activity)
664
 
 
665
 
 
666
 
 
667
 
class TestPumpStringFile(tests.TestCase):
668
 
 
669
 
    def test_empty(self):
670
 
        output = StringIO()
671
 
        osutils.pump_string_file("", output)
672
 
        self.assertEqual("", output.getvalue())
673
 
 
674
 
    def test_more_than_segment_size(self):
675
 
        output = StringIO()
676
 
        osutils.pump_string_file("123456789", output, 2)
677
 
        self.assertEqual("123456789", output.getvalue())
678
 
 
679
 
    def test_segment_size(self):
680
 
        output = StringIO()
681
 
        osutils.pump_string_file("12", output, 2)
682
 
        self.assertEqual("12", output.getvalue())
683
 
 
684
 
    def test_segment_size_multiple(self):
685
 
        output = StringIO()
686
 
        osutils.pump_string_file("1234", output, 2)
687
 
        self.assertEqual("1234", output.getvalue())
688
 
 
689
 
 
690
 
class TestRelpath(tests.TestCase):
691
 
 
692
 
    def test_simple_relpath(self):
693
 
        cwd = osutils.getcwd()
694
 
        subdir = cwd + '/subdir'
695
 
        self.assertEqual('subdir', osutils.relpath(cwd, subdir))
696
 
 
697
 
    def test_deep_relpath(self):
698
 
        cwd = osutils.getcwd()
699
 
        subdir = cwd + '/sub/subsubdir'
700
 
        self.assertEqual('sub/subsubdir', osutils.relpath(cwd, subdir))
701
 
 
702
 
    def test_not_relative(self):
703
 
        self.assertRaises(errors.PathNotChild,
704
 
                          osutils.relpath, 'C:/path', 'H:/path')
705
 
        self.assertRaises(errors.PathNotChild,
706
 
                          osutils.relpath, 'C:/', 'H:/path')
707
 
 
708
 
 
709
 
class TestSafeUnicode(tests.TestCase):
 
249
 
 
250
    def test_kind_marker(self):
 
251
        self.assertEqual("", osutils.kind_marker("file"))
 
252
        self.assertEqual("/", osutils.kind_marker(osutils._directory_kind))
 
253
        self.assertEqual("@", osutils.kind_marker("symlink"))
 
254
        self.assertRaises(errors.BzrError, osutils.kind_marker, "unknown")
 
255
 
 
256
 
 
257
class TestSafeUnicode(TestCase):
710
258
 
711
259
    def test_from_ascii_string(self):
712
260
        self.assertEqual(u'foobar', osutils.safe_unicode('foobar'))
721
269
        self.assertEqual(u'foo\xae', osutils.safe_unicode('foo\xc2\xae'))
722
270
 
723
271
    def test_bad_utf8_string(self):
724
 
        self.assertRaises(errors.BzrBadParameterNotUnicode,
 
272
        self.assertRaises(BzrBadParameterNotUnicode,
725
273
                          osutils.safe_unicode,
726
274
                          '\xbb\xbb')
727
275
 
728
276
 
729
 
class TestSafeUtf8(tests.TestCase):
 
277
class TestSafeUtf8(TestCase):
730
278
 
731
279
    def test_from_ascii_string(self):
732
280
        f = 'foobar'
742
290
        self.assertEqual('foo\xc2\xae', osutils.safe_utf8('foo\xc2\xae'))
743
291
 
744
292
    def test_bad_utf8_string(self):
745
 
        self.assertRaises(errors.BzrBadParameterNotUnicode,
 
293
        self.assertRaises(BzrBadParameterNotUnicode,
746
294
                          osutils.safe_utf8, '\xbb\xbb')
747
295
 
748
296
 
749
 
class TestSafeRevisionId(tests.TestCase):
 
297
class TestSafeRevisionId(TestCase):
750
298
 
751
299
    def test_from_ascii_string(self):
752
 
        # this shouldn't give a warning because it's getting an ascii string
753
300
        self.assertEqual('foobar', osutils.safe_revision_id('foobar'))
754
301
 
755
302
    def test_from_unicode_string_ascii_contents(self):
774
321
        self.assertEqual(None, osutils.safe_revision_id(None))
775
322
 
776
323
 
777
 
class TestSafeFileId(tests.TestCase):
 
324
class TestSafeFileId(TestCase):
778
325
 
779
326
    def test_from_ascii_string(self):
780
327
        self.assertEqual('foobar', osutils.safe_file_id('foobar'))
800
347
        self.assertEqual(None, osutils.safe_file_id(None))
801
348
 
802
349
 
803
 
class TestWin32Funcs(tests.TestCase):
804
 
    """Test that _win32 versions of os utilities return appropriate paths."""
 
350
class TestWin32Funcs(TestCase):
 
351
    """Test that the _win32 versions of os utilities return appropriate paths."""
805
352
 
806
353
    def test_abspath(self):
807
354
        self.assertEqual('C:/foo', osutils._win32_abspath('C:\\foo'))
814
361
        self.assertEqual('C:/foo', osutils._win32_realpath('C:/foo'))
815
362
 
816
363
    def test_pathjoin(self):
817
 
        self.assertEqual('path/to/foo',
818
 
                         osutils._win32_pathjoin('path', 'to', 'foo'))
819
 
        self.assertEqual('C:/foo',
820
 
                         osutils._win32_pathjoin('path\\to', 'C:\\foo'))
821
 
        self.assertEqual('C:/foo',
822
 
                         osutils._win32_pathjoin('path/to', 'C:/foo'))
823
 
        self.assertEqual('path/to/foo',
824
 
                         osutils._win32_pathjoin('path/to/', 'foo'))
825
 
        self.assertEqual('/foo',
826
 
                         osutils._win32_pathjoin('C:/path/to/', '/foo'))
827
 
        self.assertEqual('/foo',
828
 
                         osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
 
364
        self.assertEqual('path/to/foo', osutils._win32_pathjoin('path', 'to', 'foo'))
 
365
        self.assertEqual('C:/foo', osutils._win32_pathjoin('path\\to', 'C:\\foo'))
 
366
        self.assertEqual('C:/foo', osutils._win32_pathjoin('path/to', 'C:/foo'))
 
367
        self.assertEqual('path/to/foo', osutils._win32_pathjoin('path/to/', 'foo'))
 
368
        self.assertEqual('/foo', osutils._win32_pathjoin('C:/path/to/', '/foo'))
 
369
        self.assertEqual('/foo', osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
829
370
 
830
371
    def test_normpath(self):
831
 
        self.assertEqual('path/to/foo',
832
 
                         osutils._win32_normpath(r'path\\from\..\to\.\foo'))
833
 
        self.assertEqual('path/to/foo',
834
 
                         osutils._win32_normpath('path//from/../to/./foo'))
 
372
        self.assertEqual('path/to/foo', osutils._win32_normpath(r'path\\from\..\to\.\foo'))
 
373
        self.assertEqual('path/to/foo', osutils._win32_normpath('path//from/../to/./foo'))
835
374
 
836
375
    def test_getcwd(self):
837
376
        cwd = osutils._win32_getcwd()
866
405
        self.assertEqual(cwd+'/'+u, osutils._win98_abspath(u))
867
406
 
868
407
 
869
 
class TestWin32FuncsDirs(tests.TestCaseInTempDir):
 
408
class TestWin32FuncsDirs(TestCaseInTempDir):
870
409
    """Test win32 functions that create files."""
 
410
    
 
411
    def test_getcwd(self):
 
412
        if win32utils.winver == 'Windows 98':
 
413
            raise TestSkipped('Windows 98 cannot handle unicode filenames')
 
414
        # Make sure getcwd can handle unicode filenames
 
415
        try:
 
416
            os.mkdir(u'mu-\xb5')
 
417
        except UnicodeError:
 
418
            raise TestSkipped("Unable to create Unicode filename")
871
419
 
872
 
    def test_getcwd(self):
873
 
        self.requireFeature(tests.UnicodeFilenameFeature)
874
 
        os.mkdir(u'mu-\xb5')
875
420
        os.chdir(u'mu-\xb5')
876
421
        # TODO: jam 20060427 This will probably fail on Mac OSX because
877
422
        #       it will change the normalization of B\xe5gfors
879
424
        #       osutils.getcwd() renormalize the path.
880
425
        self.assertEndsWith(osutils._win32_getcwd(), u'mu-\xb5')
881
426
 
882
 
    def test_minimum_path_selection(self):
883
 
        self.assertEqual(set(),
884
 
            osutils.minimum_path_selection([]))
885
 
        self.assertEqual(set(['a']),
886
 
            osutils.minimum_path_selection(['a']))
887
 
        self.assertEqual(set(['a', 'b']),
888
 
            osutils.minimum_path_selection(['a', 'b']))
889
 
        self.assertEqual(set(['a/', 'b']),
890
 
            osutils.minimum_path_selection(['a/', 'b']))
891
 
        self.assertEqual(set(['a/', 'b']),
892
 
            osutils.minimum_path_selection(['a/c', 'a/', 'b']))
893
 
        self.assertEqual(set(['a-b', 'a', 'a0b']),
894
 
            osutils.minimum_path_selection(['a-b', 'a/b', 'a0b', 'a']))
895
 
 
896
427
    def test_mkdtemp(self):
897
428
        tmpdir = osutils._win32_mkdtemp(dir='.')
898
429
        self.assertFalse('\\' in tmpdir)
953
484
        self.assertRaises(errors.BzrError, osutils.splitpath, 'a/../b')
954
485
 
955
486
 
956
 
class TestParentDirectories(tests.TestCaseInTempDir):
957
 
    """Test osutils.parent_directories()"""
958
 
 
959
 
    def test_parent_directories(self):
960
 
        self.assertEqual([], osutils.parent_directories('a'))
961
 
        self.assertEqual(['a'], osutils.parent_directories('a/b'))
962
 
        self.assertEqual(['a/b', 'a'], osutils.parent_directories('a/b/c'))
963
 
 
964
 
 
965
 
class TestMacFuncsDirs(tests.TestCaseInTempDir):
 
487
class TestMacFuncsDirs(TestCaseInTempDir):
966
488
    """Test mac special functions that require directories."""
967
489
 
968
490
    def test_getcwd(self):
969
 
        self.requireFeature(tests.UnicodeFilenameFeature)
970
 
        os.mkdir(u'B\xe5gfors')
 
491
        # On Mac, this will actually create Ba\u030agfors
 
492
        # but chdir will still work, because it accepts both paths
 
493
        try:
 
494
            os.mkdir(u'B\xe5gfors')
 
495
        except UnicodeError:
 
496
            raise TestSkipped("Unable to create Unicode filename")
 
497
 
971
498
        os.chdir(u'B\xe5gfors')
972
499
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
973
500
 
974
501
    def test_getcwd_nonnorm(self):
975
 
        self.requireFeature(tests.UnicodeFilenameFeature)
976
502
        # Test that _mac_getcwd() will normalize this path
977
 
        os.mkdir(u'Ba\u030agfors')
 
503
        try:
 
504
            os.mkdir(u'Ba\u030agfors')
 
505
        except UnicodeError:
 
506
            raise TestSkipped("Unable to create Unicode filename")
 
507
 
978
508
        os.chdir(u'Ba\u030agfors')
979
509
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
980
510
 
981
511
 
982
 
class TestChunksToLines(tests.TestCase):
983
 
 
984
 
    def test_smoketest(self):
985
 
        self.assertEqual(['foo\n', 'bar\n', 'baz\n'],
986
 
                         osutils.chunks_to_lines(['foo\nbar', '\nbaz\n']))
987
 
        self.assertEqual(['foo\n', 'bar\n', 'baz\n'],
988
 
                         osutils.chunks_to_lines(['foo\n', 'bar\n', 'baz\n']))
989
 
 
990
 
    def test_osutils_binding(self):
991
 
        from bzrlib.tests import test__chunks_to_lines
992
 
        if test__chunks_to_lines.compiled_chunkstolines_feature.available():
993
 
            from bzrlib._chunks_to_lines_pyx import chunks_to_lines
994
 
        else:
995
 
            from bzrlib._chunks_to_lines_py import chunks_to_lines
996
 
        self.assertIs(chunks_to_lines, osutils.chunks_to_lines)
997
 
 
998
 
 
999
 
class TestSplitLines(tests.TestCase):
 
512
class TestSplitLines(TestCase):
1000
513
 
1001
514
    def test_split_unicode(self):
1002
515
        self.assertEqual([u'foo\n', u'bar\xae'],
1009
522
                         osutils.split_lines('foo\rbar\n'))
1010
523
 
1011
524
 
1012
 
class TestWalkDirs(tests.TestCaseInTempDir):
1013
 
 
1014
 
    def assertExpectedBlocks(self, expected, result):
1015
 
        self.assertEqual(expected,
1016
 
                         [(dirinfo, [line[0:3] for line in block])
1017
 
                          for dirinfo, block in result])
 
525
class TestWalkDirs(TestCaseInTempDir):
1018
526
 
1019
527
    def test_walkdirs(self):
1020
528
        tree = [
1053
561
            result.append((dirdetail, dirblock))
1054
562
 
1055
563
        self.assertTrue(found_bzrdir)
1056
 
        self.assertExpectedBlocks(expected_dirblocks, result)
 
564
        self.assertEqual(expected_dirblocks,
 
565
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1057
566
        # you can search a subdir only, with a supplied prefix.
1058
567
        result = []
1059
568
        for dirblock in osutils.walkdirs('./1dir', '1dir'):
1060
569
            result.append(dirblock)
1061
 
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
1062
 
 
1063
 
    def test_walkdirs_os_error(self):
1064
 
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
1065
 
        # Pyrex readdir didn't raise useful messages if it had an error
1066
 
        # reading the directory
1067
 
        if sys.platform == 'win32':
1068
 
            raise tests.TestNotApplicable(
1069
 
                "readdir IOError not tested on win32")
1070
 
        os.mkdir("test-unreadable")
1071
 
        os.chmod("test-unreadable", 0000)
1072
 
        # must chmod it back so that it can be removed
1073
 
        self.addCleanup(os.chmod, "test-unreadable", 0700)
1074
 
        # The error is not raised until the generator is actually evaluated.
1075
 
        # (It would be ok if it happened earlier but at the moment it
1076
 
        # doesn't.)
1077
 
        e = self.assertRaises(OSError, list, osutils._walkdirs_utf8("."))
1078
 
        self.assertEquals('./test-unreadable', e.filename)
1079
 
        self.assertEquals(errno.EACCES, e.errno)
1080
 
        # Ensure the message contains the file name
1081
 
        self.assertContainsRe(str(e), "\./test-unreadable")
 
570
        self.assertEqual(expected_dirblocks[1:],
 
571
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1082
572
 
1083
573
    def test__walkdirs_utf8(self):
1084
574
        tree = [
1117
607
            result.append((dirdetail, dirblock))
1118
608
 
1119
609
        self.assertTrue(found_bzrdir)
1120
 
        self.assertExpectedBlocks(expected_dirblocks, result)
1121
 
 
 
610
        self.assertEqual(expected_dirblocks,
 
611
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1122
612
        # you can search a subdir only, with a supplied prefix.
1123
613
        result = []
1124
614
        for dirblock in osutils.walkdirs('./1dir', '1dir'):
1125
615
            result.append(dirblock)
1126
 
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
 
616
        self.assertEqual(expected_dirblocks[1:],
 
617
            [(dirinfo, [line[0:3] for line in block]) for dirinfo, block in result])
1127
618
 
1128
619
    def _filter_out_stat(self, result):
1129
620
        """Filter out the stat value from the walkdirs result"""
1134
625
                new_dirblock.append((info[0], info[1], info[2], info[4]))
1135
626
            dirblock[:] = new_dirblock
1136
627
 
1137
 
    def _save_platform_info(self):
1138
 
        self.overrideAttr(win32utils, 'winver')
1139
 
        self.overrideAttr(osutils, '_fs_enc')
1140
 
        self.overrideAttr(osutils, '_selected_dir_reader')
1141
 
 
1142
 
    def assertDirReaderIs(self, expected):
1143
 
        """Assert the right implementation for _walkdirs_utf8 is chosen."""
1144
 
        # Force it to redetect
1145
 
        osutils._selected_dir_reader = None
1146
 
        # Nothing to list, but should still trigger the selection logic
1147
 
        self.assertEqual([(('', '.'), [])], list(osutils._walkdirs_utf8('.')))
1148
 
        self.assertIsInstance(osutils._selected_dir_reader, expected)
1149
 
 
1150
 
    def test_force_walkdirs_utf8_fs_utf8(self):
1151
 
        self.requireFeature(UTF8DirReaderFeature)
1152
 
        self._save_platform_info()
1153
 
        win32utils.winver = None # Avoid the win32 detection code
1154
 
        osutils._fs_enc = 'UTF-8'
1155
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
1156
 
 
1157
 
    def test_force_walkdirs_utf8_fs_ascii(self):
1158
 
        self.requireFeature(UTF8DirReaderFeature)
1159
 
        self._save_platform_info()
1160
 
        win32utils.winver = None # Avoid the win32 detection code
1161
 
        osutils._fs_enc = 'US-ASCII'
1162
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
1163
 
 
1164
 
    def test_force_walkdirs_utf8_fs_ANSI(self):
1165
 
        self.requireFeature(UTF8DirReaderFeature)
1166
 
        self._save_platform_info()
1167
 
        win32utils.winver = None # Avoid the win32 detection code
1168
 
        osutils._fs_enc = 'ANSI_X3.4-1968'
1169
 
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
1170
 
 
1171
 
    def test_force_walkdirs_utf8_fs_latin1(self):
1172
 
        self._save_platform_info()
1173
 
        win32utils.winver = None # Avoid the win32 detection code
1174
 
        osutils._fs_enc = 'latin1'
1175
 
        self.assertDirReaderIs(osutils.UnicodeDirReader)
1176
 
 
1177
 
    def test_force_walkdirs_utf8_nt(self):
1178
 
        # Disabled because the thunk of the whole walkdirs api is disabled.
1179
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1180
 
        self._save_platform_info()
1181
 
        win32utils.winver = 'Windows NT'
1182
 
        from bzrlib._walkdirs_win32 import Win32ReadDir
1183
 
        self.assertDirReaderIs(Win32ReadDir)
1184
 
 
1185
 
    def test_force_walkdirs_utf8_98(self):
1186
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1187
 
        self._save_platform_info()
1188
 
        win32utils.winver = 'Windows 98'
1189
 
        self.assertDirReaderIs(osutils.UnicodeDirReader)
1190
 
 
1191
628
    def test_unicode_walkdirs(self):
1192
629
        """Walkdirs should always return unicode paths."""
1193
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1194
630
        name0 = u'0file-\xb6'
1195
631
        name1 = u'1dir-\u062c\u0648'
1196
632
        name2 = u'2file-\u0633'
1201
637
            name1 + '/' + name1 + '/',
1202
638
            name2,
1203
639
            ]
1204
 
        self.build_tree(tree)
 
640
        try:
 
641
            self.build_tree(tree)
 
642
        except UnicodeError:
 
643
            raise TestSkipped('Could not represent Unicode chars'
 
644
                              ' in current encoding.')
1205
645
        expected_dirblocks = [
1206
646
                ((u'', u'.'),
1207
647
                 [(name0, name0, 'file', './' + name0),
1233
673
 
1234
674
        The abspath portion might be in unicode or utf-8
1235
675
        """
1236
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1237
676
        name0 = u'0file-\xb6'
1238
677
        name1 = u'1dir-\u062c\u0648'
1239
678
        name2 = u'2file-\u0633'
1244
683
            name1 + '/' + name1 + '/',
1245
684
            name2,
1246
685
            ]
1247
 
        self.build_tree(tree)
 
686
        try:
 
687
            self.build_tree(tree)
 
688
        except UnicodeError:
 
689
            raise TestSkipped('Could not represent Unicode chars'
 
690
                              ' in current encoding.')
1248
691
        name0 = name0.encode('utf8')
1249
692
        name1 = name1.encode('utf8')
1250
693
        name2 = name2.encode('utf8')
1289
732
            result.append((dirdetail, new_dirblock))
1290
733
        self.assertEqual(expected_dirblocks, result)
1291
734
 
1292
 
    def test__walkdirs_utf8_with_unicode_fs(self):
1293
 
        """UnicodeDirReader should be a safe fallback everywhere
 
735
    def test_unicode__walkdirs_unicode_to_utf8(self):
 
736
        """walkdirs_unicode_to_utf8 should be a safe fallback everywhere
1294
737
 
1295
738
        The abspath portion should be in unicode
1296
739
        """
1297
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1298
 
        # Use the unicode reader. TODO: split into driver-and-driven unit
1299
 
        # tests.
1300
 
        self._save_platform_info()
1301
 
        osutils._selected_dir_reader = osutils.UnicodeDirReader()
1302
 
        name0u = u'0file-\xb6'
1303
 
        name1u = u'1dir-\u062c\u0648'
1304
 
        name2u = u'2file-\u0633'
1305
 
        tree = [
1306
 
            name0u,
1307
 
            name1u + '/',
1308
 
            name1u + '/' + name0u,
1309
 
            name1u + '/' + name1u + '/',
1310
 
            name2u,
1311
 
            ]
1312
 
        self.build_tree(tree)
1313
 
        name0 = name0u.encode('utf8')
1314
 
        name1 = name1u.encode('utf8')
1315
 
        name2 = name2u.encode('utf8')
1316
 
 
1317
 
        # All of the abspaths should be in unicode, all of the relative paths
1318
 
        # should be in utf8
1319
 
        expected_dirblocks = [
1320
 
                (('', '.'),
1321
 
                 [(name0, name0, 'file', './' + name0u),
1322
 
                  (name1, name1, 'directory', './' + name1u),
1323
 
                  (name2, name2, 'file', './' + name2u),
1324
 
                 ]
1325
 
                ),
1326
 
                ((name1, './' + name1u),
1327
 
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
1328
 
                                                        + '/' + name0u),
1329
 
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
1330
 
                                                            + '/' + name1u),
1331
 
                 ]
1332
 
                ),
1333
 
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
1334
 
                 [
1335
 
                 ]
1336
 
                ),
1337
 
            ]
1338
 
        result = list(osutils._walkdirs_utf8('.'))
1339
 
        self._filter_out_stat(result)
1340
 
        self.assertEqual(expected_dirblocks, result)
1341
 
 
1342
 
    def test__walkdirs_utf8_win32readdir(self):
1343
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1344
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1345
 
        from bzrlib._walkdirs_win32 import Win32ReadDir
1346
 
        self._save_platform_info()
1347
 
        osutils._selected_dir_reader = Win32ReadDir()
1348
 
        name0u = u'0file-\xb6'
1349
 
        name1u = u'1dir-\u062c\u0648'
1350
 
        name2u = u'2file-\u0633'
1351
 
        tree = [
1352
 
            name0u,
1353
 
            name1u + '/',
1354
 
            name1u + '/' + name0u,
1355
 
            name1u + '/' + name1u + '/',
1356
 
            name2u,
1357
 
            ]
1358
 
        self.build_tree(tree)
1359
 
        name0 = name0u.encode('utf8')
1360
 
        name1 = name1u.encode('utf8')
1361
 
        name2 = name2u.encode('utf8')
1362
 
 
1363
 
        # All of the abspaths should be in unicode, all of the relative paths
1364
 
        # should be in utf8
1365
 
        expected_dirblocks = [
1366
 
                (('', '.'),
1367
 
                 [(name0, name0, 'file', './' + name0u),
1368
 
                  (name1, name1, 'directory', './' + name1u),
1369
 
                  (name2, name2, 'file', './' + name2u),
1370
 
                 ]
1371
 
                ),
1372
 
                ((name1, './' + name1u),
1373
 
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
1374
 
                                                        + '/' + name0u),
1375
 
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
1376
 
                                                            + '/' + name1u),
1377
 
                 ]
1378
 
                ),
1379
 
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
1380
 
                 [
1381
 
                 ]
1382
 
                ),
1383
 
            ]
1384
 
        result = list(osutils._walkdirs_utf8(u'.'))
1385
 
        self._filter_out_stat(result)
1386
 
        self.assertEqual(expected_dirblocks, result)
1387
 
 
1388
 
    def assertStatIsCorrect(self, path, win32stat):
1389
 
        os_stat = os.stat(path)
1390
 
        self.assertEqual(os_stat.st_size, win32stat.st_size)
1391
 
        self.assertAlmostEqual(os_stat.st_mtime, win32stat.st_mtime, places=4)
1392
 
        self.assertAlmostEqual(os_stat.st_ctime, win32stat.st_ctime, places=4)
1393
 
        self.assertAlmostEqual(os_stat.st_atime, win32stat.st_atime, places=4)
1394
 
        self.assertEqual(os_stat.st_dev, win32stat.st_dev)
1395
 
        self.assertEqual(os_stat.st_ino, win32stat.st_ino)
1396
 
        self.assertEqual(os_stat.st_mode, win32stat.st_mode)
1397
 
 
1398
 
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1399
 
        """make sure our Stat values are valid"""
1400
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1401
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1402
 
        from bzrlib._walkdirs_win32 import Win32ReadDir
1403
 
        name0u = u'0file-\xb6'
1404
 
        name0 = name0u.encode('utf8')
1405
 
        self.build_tree([name0u])
1406
 
        # I hate to sleep() here, but I'm trying to make the ctime different
1407
 
        # from the mtime
1408
 
        time.sleep(2)
1409
 
        f = open(name0u, 'ab')
 
740
        name0u = u'0file-\xb6'
 
741
        name1u = u'1dir-\u062c\u0648'
 
742
        name2u = u'2file-\u0633'
 
743
        tree = [
 
744
            name0u,
 
745
            name1u + '/',
 
746
            name1u + '/' + name0u,
 
747
            name1u + '/' + name1u + '/',
 
748
            name2u,
 
749
            ]
1410
750
        try:
1411
 
            f.write('just a small update')
1412
 
        finally:
1413
 
            f.close()
1414
 
 
1415
 
        result = Win32ReadDir().read_dir('', u'.')
1416
 
        entry = result[0]
1417
 
        self.assertEqual((name0, name0, 'file'), entry[:3])
1418
 
        self.assertEqual(u'./' + name0u, entry[4])
1419
 
        self.assertStatIsCorrect(entry[4], entry[3])
1420
 
        self.assertNotEqual(entry[3].st_mtime, entry[3].st_ctime)
1421
 
 
1422
 
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1423
 
        """make sure our Stat values are valid"""
1424
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1425
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1426
 
        from bzrlib._walkdirs_win32 import Win32ReadDir
1427
 
        name0u = u'0dir-\u062c\u0648'
 
751
            self.build_tree(tree)
 
752
        except UnicodeError:
 
753
            raise TestSkipped('Could not represent Unicode chars'
 
754
                              ' in current encoding.')
1428
755
        name0 = name0u.encode('utf8')
1429
 
        self.build_tree([name0u + '/'])
 
756
        name1 = name1u.encode('utf8')
 
757
        name2 = name2u.encode('utf8')
1430
758
 
1431
 
        result = Win32ReadDir().read_dir('', u'.')
1432
 
        entry = result[0]
1433
 
        self.assertEqual((name0, name0, 'directory'), entry[:3])
1434
 
        self.assertEqual(u'./' + name0u, entry[4])
1435
 
        self.assertStatIsCorrect(entry[4], entry[3])
 
759
        # All of the abspaths should be in unicode, all of the relative paths
 
760
        # should be in utf8
 
761
        expected_dirblocks = [
 
762
                (('', '.'),
 
763
                 [(name0, name0, 'file', './' + name0u),
 
764
                  (name1, name1, 'directory', './' + name1u),
 
765
                  (name2, name2, 'file', './' + name2u),
 
766
                 ]
 
767
                ),
 
768
                ((name1, './' + name1u),
 
769
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
 
770
                                                        + '/' + name0u),
 
771
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
 
772
                                                            + '/' + name1u),
 
773
                 ]
 
774
                ),
 
775
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
 
776
                 [
 
777
                 ]
 
778
                ),
 
779
            ]
 
780
        result = list(osutils._walkdirs_unicode_to_utf8('.'))
 
781
        self._filter_out_stat(result)
 
782
        self.assertEqual(expected_dirblocks, result)
1436
783
 
1437
784
    def assertPathCompare(self, path_less, path_greater):
1438
785
        """check that path_less and path_greater compare correctly."""
1512
859
            sorted(original_paths, cmp=osutils.compare_paths_prefix_order))
1513
860
 
1514
861
 
1515
 
class TestCopyTree(tests.TestCaseInTempDir):
1516
 
 
 
862
class TestCopyTree(TestCaseInTempDir):
 
863
    
1517
864
    def test_copy_basic_tree(self):
1518
865
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
1519
866
        osutils.copy_tree('source', 'target')
1528
875
        self.assertEqual(['c'], os.listdir('target/b'))
1529
876
 
1530
877
    def test_copy_tree_symlinks(self):
1531
 
        self.requireFeature(tests.SymlinkFeature)
 
878
        if not osutils.has_symlinks():
 
879
            return
1532
880
        self.build_tree(['source/'])
1533
881
        os.symlink('a/generic/path', 'source/lnk')
1534
882
        osutils.copy_tree('source', 'target')
1564
912
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
1565
913
 
1566
914
 
1567
 
class TestSetUnsetEnv(tests.TestCase):
 
915
#class TestTerminalEncoding has been moved to test_osutils_encodings.py
 
916
# [bialix] 2006/12/26
 
917
 
 
918
 
 
919
class TestSetUnsetEnv(TestCase):
1568
920
    """Test updating the environment"""
1569
921
 
1570
922
    def setUp(self):
1576
928
        def cleanup():
1577
929
            if 'BZR_TEST_ENV_VAR' in os.environ:
1578
930
                del os.environ['BZR_TEST_ENV_VAR']
 
931
 
1579
932
        self.addCleanup(cleanup)
1580
933
 
1581
934
    def test_set(self):
1593
946
 
1594
947
    def test_unicode(self):
1595
948
        """Environment can only contain plain strings
1596
 
 
 
949
        
1597
950
        So Unicode strings must be encoded.
1598
951
        """
1599
 
        uni_val, env_val = tests.probe_unicode_in_user_encoding()
1600
 
        if uni_val is None:
1601
 
            raise tests.TestSkipped(
1602
 
                'Cannot find a unicode character that works in encoding %s'
1603
 
                % (osutils.get_user_encoding(),))
 
952
        # Try a few different characters, to see if we can get
 
953
        # one that will be valid in the user_encoding
 
954
        possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
 
955
        for uni_val in possible_vals:
 
956
            try:
 
957
                env_val = uni_val.encode(bzrlib.user_encoding)
 
958
            except UnicodeEncodeError:
 
959
                # Try a different character
 
960
                pass
 
961
            else:
 
962
                break
 
963
        else:
 
964
            raise TestSkipped('Cannot find a unicode character that works in'
 
965
                              ' encoding %s' % (bzrlib.user_encoding,))
1604
966
 
1605
967
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', uni_val)
1606
968
        self.assertEqual(env_val, os.environ.get('BZR_TEST_ENV_VAR'))
1614
976
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
1615
977
 
1616
978
 
1617
 
class TestSizeShaFile(tests.TestCaseInTempDir):
1618
 
 
1619
 
    def test_sha_empty(self):
1620
 
        self.build_tree_contents([('foo', '')])
1621
 
        expected_sha = osutils.sha_string('')
1622
 
        f = open('foo')
1623
 
        self.addCleanup(f.close)
1624
 
        size, sha = osutils.size_sha_file(f)
1625
 
        self.assertEqual(0, size)
1626
 
        self.assertEqual(expected_sha, sha)
1627
 
 
1628
 
    def test_sha_mixed_endings(self):
1629
 
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
1630
 
        self.build_tree_contents([('foo', text)])
1631
 
        expected_sha = osutils.sha_string(text)
1632
 
        f = open('foo', 'rb')
1633
 
        self.addCleanup(f.close)
1634
 
        size, sha = osutils.size_sha_file(f)
1635
 
        self.assertEqual(38, size)
1636
 
        self.assertEqual(expected_sha, sha)
1637
 
 
1638
 
 
1639
 
class TestShaFileByName(tests.TestCaseInTempDir):
1640
 
 
1641
 
    def test_sha_empty(self):
1642
 
        self.build_tree_contents([('foo', '')])
1643
 
        expected_sha = osutils.sha_string('')
1644
 
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
1645
 
 
1646
 
    def test_sha_mixed_endings(self):
1647
 
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
1648
 
        self.build_tree_contents([('foo', text)])
1649
 
        expected_sha = osutils.sha_string(text)
1650
 
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
1651
 
 
1652
 
 
1653
 
class TestResourceLoading(tests.TestCaseInTempDir):
1654
 
 
1655
 
    def test_resource_string(self):
1656
 
        # test resource in bzrlib
1657
 
        text = osutils.resource_string('bzrlib', 'debug.py')
1658
 
        self.assertContainsRe(text, "debug_flags = set()")
1659
 
        # test resource under bzrlib
1660
 
        text = osutils.resource_string('bzrlib.ui', 'text.py')
1661
 
        self.assertContainsRe(text, "class TextUIFactory")
1662
 
        # test unsupported package
1663
 
        self.assertRaises(errors.BzrError, osutils.resource_string, 'zzzz',
1664
 
            'yyy.xx')
1665
 
        # test unknown resource
1666
 
        self.assertRaises(IOError, osutils.resource_string, 'bzrlib', 'yyy.xx')
1667
 
 
1668
 
 
1669
 
class TestReCompile(tests.TestCase):
1670
 
 
1671
 
    def test_re_compile_checked(self):
1672
 
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
1673
 
        self.assertTrue(r.match('aaaa'))
1674
 
        self.assertTrue(r.match('aAaA'))
1675
 
 
1676
 
    def test_re_compile_checked_error(self):
1677
 
        # like https://bugs.launchpad.net/bzr/+bug/251352
1678
 
        err = self.assertRaises(
1679
 
            errors.BzrCommandError,
1680
 
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
1681
 
        self.assertEqual(
1682
 
            "Invalid regular expression in test case: '*': "
1683
 
            "nothing to repeat",
1684
 
            str(err))
1685
 
 
1686
 
 
1687
 
class TestDirReader(tests.TestCaseInTempDir):
1688
 
 
1689
 
    # Set by load_tests
1690
 
    _dir_reader_class = None
1691
 
    _native_to_unicode = None
1692
 
 
1693
 
    def setUp(self):
1694
 
        tests.TestCaseInTempDir.setUp(self)
1695
 
        self.overrideAttr(osutils,
1696
 
                          '_selected_dir_reader', self._dir_reader_class())
1697
 
 
1698
 
    def _get_ascii_tree(self):
1699
 
        tree = [
1700
 
            '0file',
1701
 
            '1dir/',
1702
 
            '1dir/0file',
1703
 
            '1dir/1dir/',
1704
 
            '2file'
1705
 
            ]
1706
 
        expected_dirblocks = [
1707
 
                (('', '.'),
1708
 
                 [('0file', '0file', 'file'),
1709
 
                  ('1dir', '1dir', 'directory'),
1710
 
                  ('2file', '2file', 'file'),
1711
 
                 ]
1712
 
                ),
1713
 
                (('1dir', './1dir'),
1714
 
                 [('1dir/0file', '0file', 'file'),
1715
 
                  ('1dir/1dir', '1dir', 'directory'),
1716
 
                 ]
1717
 
                ),
1718
 
                (('1dir/1dir', './1dir/1dir'),
1719
 
                 [
1720
 
                 ]
1721
 
                ),
1722
 
            ]
1723
 
        return tree, expected_dirblocks
1724
 
 
1725
 
    def test_walk_cur_dir(self):
1726
 
        tree, expected_dirblocks = self._get_ascii_tree()
1727
 
        self.build_tree(tree)
1728
 
        result = list(osutils._walkdirs_utf8('.'))
1729
 
        # Filter out stat and abspath
1730
 
        self.assertEqual(expected_dirblocks,
1731
 
                         [(dirinfo, [line[0:3] for line in block])
1732
 
                          for dirinfo, block in result])
1733
 
 
1734
 
    def test_walk_sub_dir(self):
1735
 
        tree, expected_dirblocks = self._get_ascii_tree()
1736
 
        self.build_tree(tree)
1737
 
        # you can search a subdir only, with a supplied prefix.
1738
 
        result = list(osutils._walkdirs_utf8('./1dir', '1dir'))
1739
 
        # Filter out stat and abspath
1740
 
        self.assertEqual(expected_dirblocks[1:],
1741
 
                         [(dirinfo, [line[0:3] for line in block])
1742
 
                          for dirinfo, block in result])
1743
 
 
1744
 
    def _get_unicode_tree(self):
1745
 
        name0u = u'0file-\xb6'
1746
 
        name1u = u'1dir-\u062c\u0648'
1747
 
        name2u = u'2file-\u0633'
1748
 
        tree = [
1749
 
            name0u,
1750
 
            name1u + '/',
1751
 
            name1u + '/' + name0u,
1752
 
            name1u + '/' + name1u + '/',
1753
 
            name2u,
1754
 
            ]
1755
 
        name0 = name0u.encode('UTF-8')
1756
 
        name1 = name1u.encode('UTF-8')
1757
 
        name2 = name2u.encode('UTF-8')
1758
 
        expected_dirblocks = [
1759
 
                (('', '.'),
1760
 
                 [(name0, name0, 'file', './' + name0u),
1761
 
                  (name1, name1, 'directory', './' + name1u),
1762
 
                  (name2, name2, 'file', './' + name2u),
1763
 
                 ]
1764
 
                ),
1765
 
                ((name1, './' + name1u),
1766
 
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
1767
 
                                                        + '/' + name0u),
1768
 
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
1769
 
                                                            + '/' + name1u),
1770
 
                 ]
1771
 
                ),
1772
 
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
1773
 
                 [
1774
 
                 ]
1775
 
                ),
1776
 
            ]
1777
 
        return tree, expected_dirblocks
1778
 
 
1779
 
    def _filter_out(self, raw_dirblocks):
1780
 
        """Filter out a walkdirs_utf8 result.
1781
 
 
1782
 
        stat field is removed, all native paths are converted to unicode
1783
 
        """
1784
 
        filtered_dirblocks = []
1785
 
        for dirinfo, block in raw_dirblocks:
1786
 
            dirinfo = (dirinfo[0], self._native_to_unicode(dirinfo[1]))
1787
 
            details = []
1788
 
            for line in block:
1789
 
                details.append(line[0:3] + (self._native_to_unicode(line[4]), ))
1790
 
            filtered_dirblocks.append((dirinfo, details))
1791
 
        return filtered_dirblocks
1792
 
 
1793
 
    def test_walk_unicode_tree(self):
1794
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1795
 
        tree, expected_dirblocks = self._get_unicode_tree()
1796
 
        self.build_tree(tree)
1797
 
        result = list(osutils._walkdirs_utf8('.'))
1798
 
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1799
 
 
1800
 
    def test_symlink(self):
1801
 
        self.requireFeature(tests.SymlinkFeature)
1802
 
        self.requireFeature(tests.UnicodeFilenameFeature)
1803
 
        target = u'target\N{Euro Sign}'
1804
 
        link_name = u'l\N{Euro Sign}nk'
1805
 
        os.symlink(target, link_name)
1806
 
        target_utf8 = target.encode('UTF-8')
1807
 
        link_name_utf8 = link_name.encode('UTF-8')
1808
 
        expected_dirblocks = [
1809
 
                (('', '.'),
1810
 
                 [(link_name_utf8, link_name_utf8,
1811
 
                   'symlink', './' + link_name),],
1812
 
                 )]
1813
 
        result = list(osutils._walkdirs_utf8('.'))
1814
 
        self.assertEqual(expected_dirblocks, self._filter_out(result))
1815
 
 
1816
 
 
1817
 
class TestReadLink(tests.TestCaseInTempDir):
1818
 
    """Exposes os.readlink() problems and the osutils solution.
1819
 
 
1820
 
    The only guarantee offered by os.readlink(), starting with 2.6, is that a
1821
 
    unicode string will be returned if a unicode string is passed.
1822
 
 
1823
 
    But prior python versions failed to properly encode the passed unicode
1824
 
    string.
1825
 
    """
1826
 
    _test_needs_features = [tests.SymlinkFeature, tests.UnicodeFilenameFeature]
1827
 
 
1828
 
    def setUp(self):
1829
 
        super(tests.TestCaseInTempDir, self).setUp()
1830
 
        self.link = u'l\N{Euro Sign}ink'
1831
 
        self.target = u'targe\N{Euro Sign}t'
1832
 
        os.symlink(self.target, self.link)
1833
 
 
1834
 
    def test_os_readlink_link_encoding(self):
1835
 
        if sys.version_info < (2, 6):
1836
 
            self.assertRaises(UnicodeEncodeError, os.readlink, self.link)
1837
 
        else:
1838
 
            self.assertEquals(self.target,  os.readlink(self.link))
1839
 
 
1840
 
    def test_os_readlink_link_decoding(self):
1841
 
        self.assertEquals(self.target.encode(osutils._fs_enc),
1842
 
                          os.readlink(self.link.encode(osutils._fs_enc)))
1843
 
 
1844
 
 
1845
 
class TestConcurrency(tests.TestCase):
1846
 
 
1847
 
    def setUp(self):
1848
 
        super(TestConcurrency, self).setUp()
1849
 
        self.overrideAttr(osutils, '_cached_local_concurrency')
1850
 
 
1851
 
    def test_local_concurrency(self):
1852
 
        concurrency = osutils.local_concurrency()
1853
 
        self.assertIsInstance(concurrency, int)
1854
 
 
1855
 
    def test_local_concurrency_environment_variable(self):
1856
 
        os.environ['BZR_CONCURRENCY'] = '2'
1857
 
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
1858
 
        os.environ['BZR_CONCURRENCY'] = '3'
1859
 
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
1860
 
        os.environ['BZR_CONCURRENCY'] = 'foo'
1861
 
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
1862
 
 
1863
 
    def test_option_concurrency(self):
1864
 
        os.environ['BZR_CONCURRENCY'] = '1'
1865
 
        self.run_bzr('rocks --concurrency 42')
1866
 
        # Command line overrides envrionment variable
1867
 
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
1868
 
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
1869
 
 
1870
 
 
1871
 
class TestFailedToLoadExtension(tests.TestCase):
1872
 
 
1873
 
    def _try_loading(self):
1874
 
        try:
1875
 
            import bzrlib._fictional_extension_py
1876
 
        except ImportError, e:
1877
 
            osutils.failed_to_load_extension(e)
1878
 
            return True
1879
 
 
1880
 
    def setUp(self):
1881
 
        super(TestFailedToLoadExtension, self).setUp()
1882
 
        self.overrideAttr(osutils, '_extension_load_failures', [])
1883
 
 
1884
 
    def test_failure_to_load(self):
1885
 
        self._try_loading()
1886
 
        self.assertLength(1, osutils._extension_load_failures)
1887
 
        self.assertEquals(osutils._extension_load_failures[0],
1888
 
            "No module named _fictional_extension_py")
1889
 
 
1890
 
    def test_report_extension_load_failures_no_warning(self):
1891
 
        self.assertTrue(self._try_loading())
1892
 
        warnings, result = self.callCatchWarnings(osutils.report_extension_load_failures)
1893
 
        # it used to give a Python warning; it no longer does
1894
 
        self.assertLength(0, warnings)
1895
 
 
1896
 
    def test_report_extension_load_failures_message(self):
1897
 
        log = StringIO()
1898
 
        trace.push_log_file(log)
1899
 
        self.assertTrue(self._try_loading())
1900
 
        osutils.report_extension_load_failures()
1901
 
        self.assertContainsRe(
1902
 
            log.getvalue(),
1903
 
            r"bzr: warning: some compiled extensions could not be loaded; "
1904
 
            "see <https://answers\.launchpad\.net/bzr/\+faq/703>\n"
1905
 
            )
1906
 
 
1907
 
 
1908
 
class TestTerminalWidth(tests.TestCase):
1909
 
 
1910
 
    def replace_stdout(self, new):
1911
 
        self.overrideAttr(sys, 'stdout', new)
1912
 
 
1913
 
    def replace__terminal_size(self, new):
1914
 
        self.overrideAttr(osutils, '_terminal_size', new)
1915
 
 
1916
 
    def set_fake_tty(self):
1917
 
 
1918
 
        class I_am_a_tty(object):
1919
 
            def isatty(self):
1920
 
                return True
1921
 
 
1922
 
        self.replace_stdout(I_am_a_tty())
1923
 
 
1924
 
    def test_default_values(self):
1925
 
        self.assertEqual(80, osutils.default_terminal_width)
1926
 
 
1927
 
    def test_defaults_to_BZR_COLUMNS(self):
1928
 
        # BZR_COLUMNS is set by the test framework
1929
 
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
1930
 
        os.environ['BZR_COLUMNS'] = '12'
1931
 
        self.assertEqual(12, osutils.terminal_width())
1932
 
 
1933
 
    def test_falls_back_to_COLUMNS(self):
1934
 
        del os.environ['BZR_COLUMNS']
1935
 
        self.assertNotEqual('42', os.environ['COLUMNS'])
1936
 
        self.set_fake_tty()
1937
 
        os.environ['COLUMNS'] = '42'
1938
 
        self.assertEqual(42, osutils.terminal_width())
1939
 
 
1940
 
    def test_tty_default_without_columns(self):
1941
 
        del os.environ['BZR_COLUMNS']
1942
 
        del os.environ['COLUMNS']
1943
 
 
1944
 
        def terminal_size(w, h):
1945
 
            return 42, 42
1946
 
 
1947
 
        self.set_fake_tty()
1948
 
        # We need to override the osutils definition as it depends on the
1949
 
        # running environment that we can't control (PQM running without a
1950
 
        # controlling terminal is one example).
1951
 
        self.replace__terminal_size(terminal_size)
1952
 
        self.assertEqual(42, osutils.terminal_width())
1953
 
 
1954
 
    def test_non_tty_default_without_columns(self):
1955
 
        del os.environ['BZR_COLUMNS']
1956
 
        del os.environ['COLUMNS']
1957
 
        self.replace_stdout(None)
1958
 
        self.assertEqual(None, osutils.terminal_width())
1959
 
 
1960
 
    def test_no_TIOCGWINSZ(self):
1961
 
        self.requireFeature(term_ios_feature)
1962
 
        termios = term_ios_feature.module
1963
 
        # bug 63539 is about a termios without TIOCGWINSZ attribute
1964
 
        try:
1965
 
            orig = termios.TIOCGWINSZ
1966
 
        except AttributeError:
1967
 
            # We won't remove TIOCGWINSZ, because it doesn't exist anyway :)
1968
 
            pass
1969
 
        else:
1970
 
            self.overrideAttr(termios, 'TIOCGWINSZ')
1971
 
            del termios.TIOCGWINSZ
1972
 
        del os.environ['BZR_COLUMNS']
1973
 
        del os.environ['COLUMNS']
1974
 
        # Whatever the result is, if we don't raise an exception, it's ok.
1975
 
        osutils.terminal_width()
 
979
class TestLocalTimeOffset(TestCase):
 
980
 
 
981
    def test_local_time_offset(self):
 
982
        """Test that local_time_offset() returns a sane value."""
 
983
        offset = osutils.local_time_offset()
 
984
        self.assertTrue(isinstance(offset, int))
 
985
        # Test that the offset is no more than a eighteen hours in
 
986
        # either direction.
 
987
        # Time zone handling is system specific, so it is difficult to
 
988
        # do more specific tests, but a value outside of this range is
 
989
        # probably wrong.
 
990
        eighteen_hours = 18 * 3600
 
991
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
 
992
 
 
993
    def test_local_time_offset_with_timestamp(self):
 
994
        """Test that local_time_offset() works with a timestamp."""
 
995
        offset = osutils.local_time_offset(1000000000.1234567)
 
996
        self.assertTrue(isinstance(offset, int))
 
997
        eighteen_hours = 18 * 3600
 
998
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)