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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-03-25 06:52:38 UTC
  • mfrom: (5018.1.12 lazy-commands)
  • Revision ID: pqm@pqm.ubuntu.com-20100325065238-0mser11okatoq0yz
(mbp) allow builtin commands to be lazy loaded; make bundle-info lazy

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1
# Copyright (C) 2005-2010 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
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
 
16
 
 
17
"""Tests for the osutils wrapper."""
 
18
 
 
19
from cStringIO import StringIO
 
20
import errno
 
21
import os
 
22
import re
 
23
import socket
 
24
import stat
 
25
import sys
 
26
import time
 
27
 
 
28
from bzrlib import (
 
29
    errors,
 
30
    osutils,
 
31
    tests,
 
32
    trace,
 
33
    win32utils,
 
34
    )
 
35
from bzrlib.tests import (
 
36
    features,
 
37
    file_utils,
 
38
    test__walkdirs_win32,
 
39
    )
 
40
 
 
41
 
 
42
class _UTF8DirReaderFeature(tests.Feature):
 
43
 
 
44
    def _probe(self):
 
45
        try:
 
46
            from bzrlib import _readdir_pyx
 
47
            self.reader = _readdir_pyx.UTF8DirReader
 
48
            return True
 
49
        except ImportError:
 
50
            return False
 
51
 
 
52
    def feature_name(self):
 
53
        return 'bzrlib._readdir_pyx'
 
54
 
 
55
UTF8DirReaderFeature = _UTF8DirReaderFeature()
 
56
 
 
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):
 
108
 
 
109
    def test_contains_whitespace(self):
 
110
        self.failUnless(osutils.contains_whitespace(u' '))
 
111
        self.failUnless(osutils.contains_whitespace(u'hello there'))
 
112
        self.failUnless(osutils.contains_whitespace(u'hellothere\n'))
 
113
        self.failUnless(osutils.contains_whitespace(u'hello\nthere'))
 
114
        self.failUnless(osutils.contains_whitespace(u'hello\rthere'))
 
115
        self.failUnless(osutils.contains_whitespace(u'hello\tthere'))
 
116
 
 
117
        # \xa0 is "Non-breaking-space" which on some python locales thinks it
 
118
        # is whitespace, but we do not.
 
119
        self.failIf(osutils.contains_whitespace(u''))
 
120
        self.failIf(osutils.contains_whitespace(u'hellothere'))
 
121
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
 
122
 
 
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
    def test_fancy_rename(self):
 
138
        # This should work everywhere
 
139
        self.create_file('a', 'something in a\n')
 
140
        self._fancy_rename('a', 'b')
 
141
        self.failIfExists('a')
 
142
        self.failUnlessExists('b')
 
143
        self.check_file_contents('b', 'something in a\n')
 
144
 
 
145
        self.create_file('a', 'new something in a\n')
 
146
        self._fancy_rename('b', 'a')
 
147
 
 
148
        self.check_file_contents('a', 'something in a\n')
 
149
 
 
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
    def test_rename(self):
 
163
        # Rename should be semi-atomic on all platforms
 
164
        self.create_file('a', 'something in a\n')
 
165
        osutils.rename('a', 'b')
 
166
        self.failIfExists('a')
 
167
        self.failUnlessExists('b')
 
168
        self.check_file_contents('b', 'something in a\n')
 
169
 
 
170
        self.create_file('a', 'new something in a\n')
 
171
        osutils.rename('b', 'a')
 
172
 
 
173
        self.check_file_contents('a', 'something in a\n')
 
174
 
 
175
    # TODO: test fancy_rename using a MemoryTransport
 
176
 
 
177
    def test_rename_change_case(self):
 
178
        # on Windows we should be able to change filename case by rename
 
179
        self.build_tree(['a', 'b/'])
 
180
        osutils.rename('a', 'A')
 
181
        osutils.rename('b', 'B')
 
182
        # we can't use failUnlessExists on case-insensitive filesystem
 
183
        # so try to check shape of the tree
 
184
        shape = sorted(os.listdir('.'))
 
185
        self.assertEquals(['A', 'B'], shape)
 
186
 
 
187
 
 
188
class TestRandChars(tests.TestCase):
 
189
 
 
190
    def test_01_rand_chars_empty(self):
 
191
        result = osutils.rand_chars(0)
 
192
        self.assertEqual(result, '')
 
193
 
 
194
    def test_02_rand_chars_100(self):
 
195
        result = osutils.rand_chars(100)
 
196
        self.assertEqual(len(result), 100)
 
197
        self.assertEqual(type(result), str)
 
198
        self.assertContainsRe(result, r'^[a-z0-9]{100}$')
 
199
 
 
200
 
 
201
class TestIsInside(tests.TestCase):
 
202
 
 
203
    def test_is_inside(self):
 
204
        is_inside = osutils.is_inside
 
205
        self.assertTrue(is_inside('src', 'src/foo.c'))
 
206
        self.assertFalse(is_inside('src', 'srccontrol'))
 
207
        self.assertTrue(is_inside('src', 'src/a/a/a/foo.c'))
 
208
        self.assertTrue(is_inside('foo.c', 'foo.c'))
 
209
        self.assertFalse(is_inside('foo.c', ''))
 
210
        self.assertTrue(is_inside('', 'foo.c'))
 
211
 
 
212
    def test_is_inside_any(self):
 
213
        SRC_FOO_C = osutils.pathjoin('src', 'foo.c')
 
214
        for dirs, fn in [(['src', 'doc'], SRC_FOO_C),
 
215
                         (['src'], SRC_FOO_C),
 
216
                         (['src'], 'src'),
 
217
                         ]:
 
218
            self.assert_(osutils.is_inside_any(dirs, fn))
 
219
        for dirs, fn in [(['src'], 'srccontrol'),
 
220
                         (['src'], 'srccontrol/foo')]:
 
221
            self.assertFalse(osutils.is_inside_any(dirs, fn))
 
222
 
 
223
    def test_is_inside_or_parent_of_any(self):
 
224
        for dirs, fn in [(['src', 'doc'], 'src/foo.c'),
 
225
                         (['src'], 'src/foo.c'),
 
226
                         (['src/bar.c'], 'src'),
 
227
                         (['src/bar.c', 'bla/foo.c'], 'src'),
 
228
                         (['src'], 'src'),
 
229
                         ]:
 
230
            self.assert_(osutils.is_inside_or_parent_of_any(dirs, fn))
 
231
 
 
232
        for dirs, fn in [(['src'], 'srccontrol'),
 
233
                         (['srccontrol/foo.c'], 'src'),
 
234
                         (['src'], 'srccontrol/foo')]:
 
235
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
 
236
 
 
237
 
 
238
class TestRmTree(tests.TestCaseInTempDir):
 
239
 
 
240
    def test_rmtree(self):
 
241
        # Check to remove tree with read-only files/dirs
 
242
        os.mkdir('dir')
 
243
        f = file('dir/file', 'w')
 
244
        f.write('spam')
 
245
        f.close()
 
246
        # would like to also try making the directory readonly, but at the
 
247
        # moment python shutil.rmtree doesn't handle that properly - it would
 
248
        # need to chmod the directory before removing things inside it - deferred
 
249
        # for now -- mbp 20060505
 
250
        # osutils.make_readonly('dir')
 
251
        osutils.make_readonly('dir/file')
 
252
 
 
253
        osutils.rmtree('dir')
 
254
 
 
255
        self.failIfExists('dir/file')
 
256
        self.failIfExists('dir')
 
257
 
 
258
 
 
259
class TestDeleteAny(tests.TestCaseInTempDir):
 
260
 
 
261
    def test_delete_any_readonly(self):
 
262
        # from <https://bugs.launchpad.net/bzr/+bug/218206>
 
263
        self.build_tree(['d/', 'f'])
 
264
        osutils.make_readonly('d')
 
265
        osutils.make_readonly('f')
 
266
 
 
267
        osutils.delete_any('f')
 
268
        osutils.delete_any('d')
 
269
 
 
270
 
 
271
class TestKind(tests.TestCaseInTempDir):
 
272
 
 
273
    def test_file_kind(self):
 
274
        self.build_tree(['file', 'dir/'])
 
275
        self.assertEquals('file', osutils.file_kind('file'))
 
276
        self.assertEquals('directory', osutils.file_kind('dir/'))
 
277
        if osutils.has_symlinks():
 
278
            os.symlink('symlink', 'symlink')
 
279
            self.assertEquals('symlink', osutils.file_kind('symlink'))
 
280
 
 
281
        # TODO: jam 20060529 Test a block device
 
282
        try:
 
283
            os.lstat('/dev/null')
 
284
        except OSError, e:
 
285
            if e.errno not in (errno.ENOENT,):
 
286
                raise
 
287
        else:
 
288
            self.assertEquals('chardev', osutils.file_kind('/dev/null'))
 
289
 
 
290
        mkfifo = getattr(os, 'mkfifo', None)
 
291
        if mkfifo:
 
292
            mkfifo('fifo')
 
293
            try:
 
294
                self.assertEquals('fifo', osutils.file_kind('fifo'))
 
295
            finally:
 
296
                os.remove('fifo')
 
297
 
 
298
        AF_UNIX = getattr(socket, 'AF_UNIX', None)
 
299
        if AF_UNIX:
 
300
            s = socket.socket(AF_UNIX)
 
301
            s.bind('socket')
 
302
            try:
 
303
                self.assertEquals('socket', osutils.file_kind('socket'))
 
304
            finally:
 
305
                os.remove('socket')
 
306
 
 
307
    def test_kind_marker(self):
 
308
        self.assertEqual("", osutils.kind_marker("file"))
 
309
        self.assertEqual("/", osutils.kind_marker('directory'))
 
310
        self.assertEqual("/", osutils.kind_marker(osutils._directory_kind))
 
311
        self.assertEqual("@", osutils.kind_marker("symlink"))
 
312
        self.assertEqual("+", osutils.kind_marker("tree-reference"))
 
313
        self.assertEqual("", osutils.kind_marker("fifo"))
 
314
        self.assertEqual("", osutils.kind_marker("socket"))
 
315
        self.assertEqual("", osutils.kind_marker("unknown"))
 
316
 
 
317
 
 
318
class TestUmask(tests.TestCaseInTempDir):
 
319
 
 
320
    def test_get_umask(self):
 
321
        if sys.platform == 'win32':
 
322
            # umask always returns '0', no way to set it
 
323
            self.assertEqual(0, osutils.get_umask())
 
324
            return
 
325
 
 
326
        orig_umask = osutils.get_umask()
 
327
        self.addCleanup(os.umask, orig_umask)
 
328
        os.umask(0222)
 
329
        self.assertEqual(0222, osutils.get_umask())
 
330
        os.umask(0022)
 
331
        self.assertEqual(0022, osutils.get_umask())
 
332
        os.umask(0002)
 
333
        self.assertEqual(0002, osutils.get_umask())
 
334
        os.umask(0027)
 
335
        self.assertEqual(0027, osutils.get_umask())
 
336
 
 
337
 
 
338
class TestDateTime(tests.TestCase):
 
339
 
 
340
    def assertFormatedDelta(self, expected, seconds):
 
341
        """Assert osutils.format_delta formats as expected"""
 
342
        actual = osutils.format_delta(seconds)
 
343
        self.assertEqual(expected, actual)
 
344
 
 
345
    def test_format_delta(self):
 
346
        self.assertFormatedDelta('0 seconds ago', 0)
 
347
        self.assertFormatedDelta('1 second ago', 1)
 
348
        self.assertFormatedDelta('10 seconds ago', 10)
 
349
        self.assertFormatedDelta('59 seconds ago', 59)
 
350
        self.assertFormatedDelta('89 seconds ago', 89)
 
351
        self.assertFormatedDelta('1 minute, 30 seconds ago', 90)
 
352
        self.assertFormatedDelta('3 minutes, 0 seconds ago', 180)
 
353
        self.assertFormatedDelta('3 minutes, 1 second ago', 181)
 
354
        self.assertFormatedDelta('10 minutes, 15 seconds ago', 615)
 
355
        self.assertFormatedDelta('30 minutes, 59 seconds ago', 1859)
 
356
        self.assertFormatedDelta('31 minutes, 0 seconds ago', 1860)
 
357
        self.assertFormatedDelta('60 minutes, 0 seconds ago', 3600)
 
358
        self.assertFormatedDelta('89 minutes, 59 seconds ago', 5399)
 
359
        self.assertFormatedDelta('1 hour, 30 minutes ago', 5400)
 
360
        self.assertFormatedDelta('2 hours, 30 minutes ago', 9017)
 
361
        self.assertFormatedDelta('10 hours, 0 minutes ago', 36000)
 
362
        self.assertFormatedDelta('24 hours, 0 minutes ago', 86400)
 
363
        self.assertFormatedDelta('35 hours, 59 minutes ago', 129599)
 
364
        self.assertFormatedDelta('36 hours, 0 minutes ago', 129600)
 
365
        self.assertFormatedDelta('36 hours, 0 minutes ago', 129601)
 
366
        self.assertFormatedDelta('36 hours, 1 minute ago', 129660)
 
367
        self.assertFormatedDelta('36 hours, 1 minute ago', 129661)
 
368
        self.assertFormatedDelta('84 hours, 10 minutes ago', 303002)
 
369
 
 
370
        # We handle when time steps the wrong direction because computers
 
371
        # don't have synchronized clocks.
 
372
        self.assertFormatedDelta('84 hours, 10 minutes in the future', -303002)
 
373
        self.assertFormatedDelta('1 second in the future', -1)
 
374
        self.assertFormatedDelta('2 seconds in the future', -2)
 
375
 
 
376
    def test_format_date(self):
 
377
        self.assertRaises(errors.UnsupportedTimezoneFormat,
 
378
            osutils.format_date, 0, timezone='foo')
 
379
        self.assertIsInstance(osutils.format_date(0), str)
 
380
        self.assertIsInstance(osutils.format_local_date(0), unicode)
 
381
        # Testing for the actual value of the local weekday without
 
382
        # duplicating the code from format_date is difficult.
 
383
        # Instead blackbox.test_locale should check for localized
 
384
        # dates once they do occur in output strings.
 
385
 
 
386
    def test_format_date_with_offset_in_original_timezone(self):
 
387
        self.assertEqual("Thu 1970-01-01 00:00:00 +0000",
 
388
            osutils.format_date_with_offset_in_original_timezone(0))
 
389
        self.assertEqual("Fri 1970-01-02 03:46:40 +0000",
 
390
            osutils.format_date_with_offset_in_original_timezone(100000))
 
391
        self.assertEqual("Fri 1970-01-02 05:46:40 +0200",
 
392
            osutils.format_date_with_offset_in_original_timezone(100000, 7200))
 
393
 
 
394
    def test_local_time_offset(self):
 
395
        """Test that local_time_offset() returns a sane value."""
 
396
        offset = osutils.local_time_offset()
 
397
        self.assertTrue(isinstance(offset, int))
 
398
        # Test that the offset is no more than a eighteen hours in
 
399
        # either direction.
 
400
        # Time zone handling is system specific, so it is difficult to
 
401
        # do more specific tests, but a value outside of this range is
 
402
        # probably wrong.
 
403
        eighteen_hours = 18 * 3600
 
404
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
 
405
 
 
406
    def test_local_time_offset_with_timestamp(self):
 
407
        """Test that local_time_offset() works with a timestamp."""
 
408
        offset = osutils.local_time_offset(1000000000.1234567)
 
409
        self.assertTrue(isinstance(offset, int))
 
410
        eighteen_hours = 18 * 3600
 
411
        self.assertTrue(-eighteen_hours < offset < eighteen_hours)
 
412
 
 
413
 
 
414
class TestLinks(tests.TestCaseInTempDir):
 
415
 
 
416
    def test_dereference_path(self):
 
417
        self.requireFeature(tests.SymlinkFeature)
 
418
        cwd = osutils.realpath('.')
 
419
        os.mkdir('bar')
 
420
        bar_path = osutils.pathjoin(cwd, 'bar')
 
421
        # Using './' to avoid bug #1213894 (first path component not
 
422
        # dereferenced) in Python 2.4.1 and earlier
 
423
        self.assertEqual(bar_path, osutils.realpath('./bar'))
 
424
        os.symlink('bar', 'foo')
 
425
        self.assertEqual(bar_path, osutils.realpath('./foo'))
 
426
 
 
427
        # Does not dereference terminal symlinks
 
428
        foo_path = osutils.pathjoin(cwd, 'foo')
 
429
        self.assertEqual(foo_path, osutils.dereference_path('./foo'))
 
430
 
 
431
        # Dereferences parent symlinks
 
432
        os.mkdir('bar/baz')
 
433
        baz_path = osutils.pathjoin(bar_path, 'baz')
 
434
        self.assertEqual(baz_path, osutils.dereference_path('./foo/baz'))
 
435
 
 
436
        # Dereferences parent symlinks that are the first path element
 
437
        self.assertEqual(baz_path, osutils.dereference_path('foo/baz'))
 
438
 
 
439
        # Dereferences parent symlinks in absolute paths
 
440
        foo_baz_path = osutils.pathjoin(foo_path, 'baz')
 
441
        self.assertEqual(baz_path, osutils.dereference_path(foo_baz_path))
 
442
 
 
443
    def test_changing_access(self):
 
444
        f = file('file', 'w')
 
445
        f.write('monkey')
 
446
        f.close()
 
447
 
 
448
        # Make a file readonly
 
449
        osutils.make_readonly('file')
 
450
        mode = os.lstat('file').st_mode
 
451
        self.assertEqual(mode, mode & 0777555)
 
452
 
 
453
        # Make a file writable
 
454
        osutils.make_writable('file')
 
455
        mode = os.lstat('file').st_mode
 
456
        self.assertEqual(mode, mode | 0200)
 
457
 
 
458
        if osutils.has_symlinks():
 
459
            # should not error when handed a symlink
 
460
            os.symlink('nonexistent', 'dangling')
 
461
            osutils.make_readonly('dangling')
 
462
            osutils.make_writable('dangling')
 
463
 
 
464
    def test_host_os_dereferences_symlinks(self):
 
465
        osutils.host_os_dereferences_symlinks()
 
466
 
 
467
 
 
468
class TestCanonicalRelPath(tests.TestCaseInTempDir):
 
469
 
 
470
    _test_needs_features = [tests.CaseInsCasePresFilenameFeature]
 
471
 
 
472
    def test_canonical_relpath_simple(self):
 
473
        f = file('MixedCaseName', 'w')
 
474
        f.close()
 
475
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
 
476
        self.failUnlessEqual('work/MixedCaseName', actual)
 
477
 
 
478
    def test_canonical_relpath_missing_tail(self):
 
479
        os.mkdir('MixedCaseParent')
 
480
        actual = osutils.canonical_relpath(self.test_base_dir,
 
481
                                           'mixedcaseparent/nochild')
 
482
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
 
483
 
 
484
 
 
485
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
 
486
 
 
487
    def assertRelpath(self, expected, base, path):
 
488
        actual = osutils._cicp_canonical_relpath(base, path)
 
489
        self.assertEqual(expected, actual)
 
490
 
 
491
    def test_simple(self):
 
492
        self.build_tree(['MixedCaseName'])
 
493
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
 
494
        self.assertRelpath('MixedCaseName', base, 'mixedcAsename')
 
495
 
 
496
    def test_subdir_missing_tail(self):
 
497
        self.build_tree(['MixedCaseParent/', 'MixedCaseParent/a_child'])
 
498
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
 
499
        self.assertRelpath('MixedCaseParent/a_child', base,
 
500
                           'MixedCaseParent/a_child')
 
501
        self.assertRelpath('MixedCaseParent/a_child', base,
 
502
                           'MixedCaseParent/A_Child')
 
503
        self.assertRelpath('MixedCaseParent/not_child', base,
 
504
                           'MixedCaseParent/not_child')
 
505
 
 
506
    def test_at_root_slash(self):
 
507
        # We can't test this on Windows, because it has a 'MIN_ABS_PATHLENGTH'
 
508
        # check...
 
509
        if osutils.MIN_ABS_PATHLENGTH > 1:
 
510
            raise tests.TestSkipped('relpath requires %d chars'
 
511
                                    % osutils.MIN_ABS_PATHLENGTH)
 
512
        self.assertRelpath('foo', '/', '/foo')
 
513
 
 
514
    def test_at_root_drive(self):
 
515
        if sys.platform != 'win32':
 
516
            raise tests.TestNotApplicable('we can only test drive-letter relative'
 
517
                                          ' paths on Windows where we have drive'
 
518
                                          ' letters.')
 
519
        # see bug #322807
 
520
        # The specific issue is that when at the root of a drive, 'abspath'
 
521
        # returns "C:/" or just "/". However, the code assumes that abspath
 
522
        # always returns something like "C:/foo" or "/foo" (no trailing slash).
 
523
        self.assertRelpath('foo', 'C:/', 'C:/foo')
 
524
        self.assertRelpath('foo', 'X:/', 'X:/foo')
 
525
        self.assertRelpath('foo', 'X:/', 'X://foo')
 
526
 
 
527
 
 
528
class TestPumpFile(tests.TestCase):
 
529
    """Test pumpfile method."""
 
530
 
 
531
    def setUp(self):
 
532
        tests.TestCase.setUp(self)
 
533
        # create a test datablock
 
534
        self.block_size = 512
 
535
        pattern = '0123456789ABCDEF'
 
536
        self.test_data = pattern * (3 * self.block_size / len(pattern))
 
537
        self.test_data_len = len(self.test_data)
 
538
 
 
539
    def test_bracket_block_size(self):
 
540
        """Read data in blocks with the requested read size bracketing the
 
541
        block size."""
 
542
        # make sure test data is larger than max read size
 
543
        self.assertTrue(self.test_data_len > self.block_size)
 
544
 
 
545
        from_file = file_utils.FakeReadFile(self.test_data)
 
546
        to_file = StringIO()
 
547
 
 
548
        # read (max / 2) bytes and verify read size wasn't affected
 
549
        num_bytes_to_read = self.block_size / 2
 
550
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
 
551
        self.assertEqual(from_file.get_max_read_size(), num_bytes_to_read)
 
552
        self.assertEqual(from_file.get_read_count(), 1)
 
553
 
 
554
        # read (max) bytes and verify read size wasn't affected
 
555
        num_bytes_to_read = self.block_size
 
556
        from_file.reset_read_count()
 
557
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
 
558
        self.assertEqual(from_file.get_max_read_size(), num_bytes_to_read)
 
559
        self.assertEqual(from_file.get_read_count(), 1)
 
560
 
 
561
        # read (max + 1) bytes and verify read size was limited
 
562
        num_bytes_to_read = self.block_size + 1
 
563
        from_file.reset_read_count()
 
564
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
 
565
        self.assertEqual(from_file.get_max_read_size(), self.block_size)
 
566
        self.assertEqual(from_file.get_read_count(), 2)
 
567
 
 
568
        # finish reading the rest of the data
 
569
        num_bytes_to_read = self.test_data_len - to_file.tell()
 
570
        osutils.pumpfile(from_file, to_file, num_bytes_to_read, self.block_size)
 
571
 
 
572
        # report error if the data wasn't equal (we only report the size due
 
573
        # to the length of the data)
 
574
        response_data = to_file.getvalue()
 
575
        if response_data != self.test_data:
 
576
            message = "Data not equal.  Expected %d bytes, received %d."
 
577
            self.fail(message % (len(response_data), self.test_data_len))
 
578
 
 
579
    def test_specified_size(self):
 
580
        """Request a transfer larger than the maximum block size and verify
 
581
        that the maximum read doesn't exceed the block_size."""
 
582
        # make sure test data is larger than max read size
 
583
        self.assertTrue(self.test_data_len > self.block_size)
 
584
 
 
585
        # retrieve data in blocks
 
586
        from_file = file_utils.FakeReadFile(self.test_data)
 
587
        to_file = StringIO()
 
588
        osutils.pumpfile(from_file, to_file, self.test_data_len,
 
589
                         self.block_size)
 
590
 
 
591
        # verify read size was equal to the maximum read size
 
592
        self.assertTrue(from_file.get_max_read_size() > 0)
 
593
        self.assertEqual(from_file.get_max_read_size(), self.block_size)
 
594
        self.assertEqual(from_file.get_read_count(), 3)
 
595
 
 
596
        # report error if the data wasn't equal (we only report the size due
 
597
        # to the length of the data)
 
598
        response_data = to_file.getvalue()
 
599
        if response_data != self.test_data:
 
600
            message = "Data not equal.  Expected %d bytes, received %d."
 
601
            self.fail(message % (len(response_data), self.test_data_len))
 
602
 
 
603
    def test_to_eof(self):
 
604
        """Read to end-of-file and verify that the reads are not larger than
 
605
        the maximum read size."""
 
606
        # make sure test data is larger than max read size
 
607
        self.assertTrue(self.test_data_len > self.block_size)
 
608
 
 
609
        # retrieve data to EOF
 
610
        from_file = file_utils.FakeReadFile(self.test_data)
 
611
        to_file = StringIO()
 
612
        osutils.pumpfile(from_file, to_file, -1, self.block_size)
 
613
 
 
614
        # verify read size was equal to the maximum read size
 
615
        self.assertEqual(from_file.get_max_read_size(), self.block_size)
 
616
        self.assertEqual(from_file.get_read_count(), 4)
 
617
 
 
618
        # report error if the data wasn't equal (we only report the size due
 
619
        # to the length of the data)
 
620
        response_data = to_file.getvalue()
 
621
        if response_data != self.test_data:
 
622
            message = "Data not equal.  Expected %d bytes, received %d."
 
623
            self.fail(message % (len(response_data), self.test_data_len))
 
624
 
 
625
    def test_defaults(self):
 
626
        """Verifies that the default arguments will read to EOF -- this
 
627
        test verifies that any existing usages of pumpfile will not be broken
 
628
        with this new version."""
 
629
        # retrieve data using default (old) pumpfile method
 
630
        from_file = file_utils.FakeReadFile(self.test_data)
 
631
        to_file = StringIO()
 
632
        osutils.pumpfile(from_file, to_file)
 
633
 
 
634
        # report error if the data wasn't equal (we only report the size due
 
635
        # to the length of the data)
 
636
        response_data = to_file.getvalue()
 
637
        if response_data != self.test_data:
 
638
            message = "Data not equal.  Expected %d bytes, received %d."
 
639
            self.fail(message % (len(response_data), self.test_data_len))
 
640
 
 
641
    def test_report_activity(self):
 
642
        activity = []
 
643
        def log_activity(length, direction):
 
644
            activity.append((length, direction))
 
645
        from_file = StringIO(self.test_data)
 
646
        to_file = StringIO()
 
647
        osutils.pumpfile(from_file, to_file, buff_size=500,
 
648
                         report_activity=log_activity, direction='read')
 
649
        self.assertEqual([(500, 'read'), (500, 'read'), (500, 'read'),
 
650
                          (36, 'read')], activity)
 
651
 
 
652
        from_file = StringIO(self.test_data)
 
653
        to_file = StringIO()
 
654
        del activity[:]
 
655
        osutils.pumpfile(from_file, to_file, buff_size=500,
 
656
                         report_activity=log_activity, direction='write')
 
657
        self.assertEqual([(500, 'write'), (500, 'write'), (500, 'write'),
 
658
                          (36, 'write')], activity)
 
659
 
 
660
        # And with a limited amount of data
 
661
        from_file = StringIO(self.test_data)
 
662
        to_file = StringIO()
 
663
        del activity[:]
 
664
        osutils.pumpfile(from_file, to_file, buff_size=500, read_length=1028,
 
665
                         report_activity=log_activity, direction='read')
 
666
        self.assertEqual([(500, 'read'), (500, 'read'), (28, 'read')], activity)
 
667
 
 
668
 
 
669
 
 
670
class TestPumpStringFile(tests.TestCase):
 
671
 
 
672
    def test_empty(self):
 
673
        output = StringIO()
 
674
        osutils.pump_string_file("", output)
 
675
        self.assertEqual("", output.getvalue())
 
676
 
 
677
    def test_more_than_segment_size(self):
 
678
        output = StringIO()
 
679
        osutils.pump_string_file("123456789", output, 2)
 
680
        self.assertEqual("123456789", output.getvalue())
 
681
 
 
682
    def test_segment_size(self):
 
683
        output = StringIO()
 
684
        osutils.pump_string_file("12", output, 2)
 
685
        self.assertEqual("12", output.getvalue())
 
686
 
 
687
    def test_segment_size_multiple(self):
 
688
        output = StringIO()
 
689
        osutils.pump_string_file("1234", output, 2)
 
690
        self.assertEqual("1234", output.getvalue())
 
691
 
 
692
 
 
693
class TestRelpath(tests.TestCase):
 
694
 
 
695
    def test_simple_relpath(self):
 
696
        cwd = osutils.getcwd()
 
697
        subdir = cwd + '/subdir'
 
698
        self.assertEqual('subdir', osutils.relpath(cwd, subdir))
 
699
 
 
700
    def test_deep_relpath(self):
 
701
        cwd = osutils.getcwd()
 
702
        subdir = cwd + '/sub/subsubdir'
 
703
        self.assertEqual('sub/subsubdir', osutils.relpath(cwd, subdir))
 
704
 
 
705
    def test_not_relative(self):
 
706
        self.assertRaises(errors.PathNotChild,
 
707
                          osutils.relpath, 'C:/path', 'H:/path')
 
708
        self.assertRaises(errors.PathNotChild,
 
709
                          osutils.relpath, 'C:/', 'H:/path')
 
710
 
 
711
 
 
712
class TestSafeUnicode(tests.TestCase):
 
713
 
 
714
    def test_from_ascii_string(self):
 
715
        self.assertEqual(u'foobar', osutils.safe_unicode('foobar'))
 
716
 
 
717
    def test_from_unicode_string_ascii_contents(self):
 
718
        self.assertEqual(u'bargam', osutils.safe_unicode(u'bargam'))
 
719
 
 
720
    def test_from_unicode_string_unicode_contents(self):
 
721
        self.assertEqual(u'bargam\xae', osutils.safe_unicode(u'bargam\xae'))
 
722
 
 
723
    def test_from_utf8_string(self):
 
724
        self.assertEqual(u'foo\xae', osutils.safe_unicode('foo\xc2\xae'))
 
725
 
 
726
    def test_bad_utf8_string(self):
 
727
        self.assertRaises(errors.BzrBadParameterNotUnicode,
 
728
                          osutils.safe_unicode,
 
729
                          '\xbb\xbb')
 
730
 
 
731
 
 
732
class TestSafeUtf8(tests.TestCase):
 
733
 
 
734
    def test_from_ascii_string(self):
 
735
        f = 'foobar'
 
736
        self.assertEqual('foobar', osutils.safe_utf8(f))
 
737
 
 
738
    def test_from_unicode_string_ascii_contents(self):
 
739
        self.assertEqual('bargam', osutils.safe_utf8(u'bargam'))
 
740
 
 
741
    def test_from_unicode_string_unicode_contents(self):
 
742
        self.assertEqual('bargam\xc2\xae', osutils.safe_utf8(u'bargam\xae'))
 
743
 
 
744
    def test_from_utf8_string(self):
 
745
        self.assertEqual('foo\xc2\xae', osutils.safe_utf8('foo\xc2\xae'))
 
746
 
 
747
    def test_bad_utf8_string(self):
 
748
        self.assertRaises(errors.BzrBadParameterNotUnicode,
 
749
                          osutils.safe_utf8, '\xbb\xbb')
 
750
 
 
751
 
 
752
class TestSafeRevisionId(tests.TestCase):
 
753
 
 
754
    def test_from_ascii_string(self):
 
755
        # this shouldn't give a warning because it's getting an ascii string
 
756
        self.assertEqual('foobar', osutils.safe_revision_id('foobar'))
 
757
 
 
758
    def test_from_unicode_string_ascii_contents(self):
 
759
        self.assertEqual('bargam',
 
760
                         osutils.safe_revision_id(u'bargam', warn=False))
 
761
 
 
762
    def test_from_unicode_deprecated(self):
 
763
        self.assertEqual('bargam',
 
764
            self.callDeprecated([osutils._revision_id_warning],
 
765
                                osutils.safe_revision_id, u'bargam'))
 
766
 
 
767
    def test_from_unicode_string_unicode_contents(self):
 
768
        self.assertEqual('bargam\xc2\xae',
 
769
                         osutils.safe_revision_id(u'bargam\xae', warn=False))
 
770
 
 
771
    def test_from_utf8_string(self):
 
772
        self.assertEqual('foo\xc2\xae',
 
773
                         osutils.safe_revision_id('foo\xc2\xae'))
 
774
 
 
775
    def test_none(self):
 
776
        """Currently, None is a valid revision_id"""
 
777
        self.assertEqual(None, osutils.safe_revision_id(None))
 
778
 
 
779
 
 
780
class TestSafeFileId(tests.TestCase):
 
781
 
 
782
    def test_from_ascii_string(self):
 
783
        self.assertEqual('foobar', osutils.safe_file_id('foobar'))
 
784
 
 
785
    def test_from_unicode_string_ascii_contents(self):
 
786
        self.assertEqual('bargam', osutils.safe_file_id(u'bargam', warn=False))
 
787
 
 
788
    def test_from_unicode_deprecated(self):
 
789
        self.assertEqual('bargam',
 
790
            self.callDeprecated([osutils._file_id_warning],
 
791
                                osutils.safe_file_id, u'bargam'))
 
792
 
 
793
    def test_from_unicode_string_unicode_contents(self):
 
794
        self.assertEqual('bargam\xc2\xae',
 
795
                         osutils.safe_file_id(u'bargam\xae', warn=False))
 
796
 
 
797
    def test_from_utf8_string(self):
 
798
        self.assertEqual('foo\xc2\xae',
 
799
                         osutils.safe_file_id('foo\xc2\xae'))
 
800
 
 
801
    def test_none(self):
 
802
        """Currently, None is a valid revision_id"""
 
803
        self.assertEqual(None, osutils.safe_file_id(None))
 
804
 
 
805
 
 
806
class TestWin32Funcs(tests.TestCase):
 
807
    """Test that _win32 versions of os utilities return appropriate paths."""
 
808
 
 
809
    def test_abspath(self):
 
810
        self.assertEqual('C:/foo', osutils._win32_abspath('C:\\foo'))
 
811
        self.assertEqual('C:/foo', osutils._win32_abspath('C:/foo'))
 
812
        self.assertEqual('//HOST/path', osutils._win32_abspath(r'\\HOST\path'))
 
813
        self.assertEqual('//HOST/path', osutils._win32_abspath('//HOST/path'))
 
814
 
 
815
    def test_realpath(self):
 
816
        self.assertEqual('C:/foo', osutils._win32_realpath('C:\\foo'))
 
817
        self.assertEqual('C:/foo', osutils._win32_realpath('C:/foo'))
 
818
 
 
819
    def test_pathjoin(self):
 
820
        self.assertEqual('path/to/foo',
 
821
                         osutils._win32_pathjoin('path', 'to', 'foo'))
 
822
        self.assertEqual('C:/foo',
 
823
                         osutils._win32_pathjoin('path\\to', 'C:\\foo'))
 
824
        self.assertEqual('C:/foo',
 
825
                         osutils._win32_pathjoin('path/to', 'C:/foo'))
 
826
        self.assertEqual('path/to/foo',
 
827
                         osutils._win32_pathjoin('path/to/', 'foo'))
 
828
        self.assertEqual('/foo',
 
829
                         osutils._win32_pathjoin('C:/path/to/', '/foo'))
 
830
        self.assertEqual('/foo',
 
831
                         osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))
 
832
 
 
833
    def test_normpath(self):
 
834
        self.assertEqual('path/to/foo',
 
835
                         osutils._win32_normpath(r'path\\from\..\to\.\foo'))
 
836
        self.assertEqual('path/to/foo',
 
837
                         osutils._win32_normpath('path//from/../to/./foo'))
 
838
 
 
839
    def test_getcwd(self):
 
840
        cwd = osutils._win32_getcwd()
 
841
        os_cwd = os.getcwdu()
 
842
        self.assertEqual(os_cwd[1:].replace('\\', '/'), cwd[1:])
 
843
        # win32 is inconsistent whether it returns lower or upper case
 
844
        # and even if it was consistent the user might type the other
 
845
        # so we force it to uppercase
 
846
        # running python.exe under cmd.exe return capital C:\\
 
847
        # running win32 python inside a cygwin shell returns lowercase
 
848
        self.assertEqual(os_cwd[0].upper(), cwd[0])
 
849
 
 
850
    def test_fixdrive(self):
 
851
        self.assertEqual('H:/foo', osutils._win32_fixdrive('h:/foo'))
 
852
        self.assertEqual('H:/foo', osutils._win32_fixdrive('H:/foo'))
 
853
        self.assertEqual('C:\\foo', osutils._win32_fixdrive('c:\\foo'))
 
854
 
 
855
    def test_win98_abspath(self):
 
856
        # absolute path
 
857
        self.assertEqual('C:/foo', osutils._win98_abspath('C:\\foo'))
 
858
        self.assertEqual('C:/foo', osutils._win98_abspath('C:/foo'))
 
859
        # UNC path
 
860
        self.assertEqual('//HOST/path', osutils._win98_abspath(r'\\HOST\path'))
 
861
        self.assertEqual('//HOST/path', osutils._win98_abspath('//HOST/path'))
 
862
        # relative path
 
863
        cwd = osutils.getcwd().rstrip('/')
 
864
        drive = osutils._nt_splitdrive(cwd)[0]
 
865
        self.assertEqual(cwd+'/path', osutils._win98_abspath('path'))
 
866
        self.assertEqual(drive+'/path', osutils._win98_abspath('/path'))
 
867
        # unicode path
 
868
        u = u'\u1234'
 
869
        self.assertEqual(cwd+'/'+u, osutils._win98_abspath(u))
 
870
 
 
871
 
 
872
class TestWin32FuncsDirs(tests.TestCaseInTempDir):
 
873
    """Test win32 functions that create files."""
 
874
 
 
875
    def test_getcwd(self):
 
876
        self.requireFeature(tests.UnicodeFilenameFeature)
 
877
        os.mkdir(u'mu-\xb5')
 
878
        os.chdir(u'mu-\xb5')
 
879
        # TODO: jam 20060427 This will probably fail on Mac OSX because
 
880
        #       it will change the normalization of B\xe5gfors
 
881
        #       Consider using a different unicode character, or make
 
882
        #       osutils.getcwd() renormalize the path.
 
883
        self.assertEndsWith(osutils._win32_getcwd(), u'mu-\xb5')
 
884
 
 
885
    def test_minimum_path_selection(self):
 
886
        self.assertEqual(set(),
 
887
            osutils.minimum_path_selection([]))
 
888
        self.assertEqual(set(['a']),
 
889
            osutils.minimum_path_selection(['a']))
 
890
        self.assertEqual(set(['a', 'b']),
 
891
            osutils.minimum_path_selection(['a', 'b']))
 
892
        self.assertEqual(set(['a/', 'b']),
 
893
            osutils.minimum_path_selection(['a/', 'b']))
 
894
        self.assertEqual(set(['a/', 'b']),
 
895
            osutils.minimum_path_selection(['a/c', 'a/', 'b']))
 
896
        self.assertEqual(set(['a-b', 'a', 'a0b']),
 
897
            osutils.minimum_path_selection(['a-b', 'a/b', 'a0b', 'a']))
 
898
 
 
899
    def test_mkdtemp(self):
 
900
        tmpdir = osutils._win32_mkdtemp(dir='.')
 
901
        self.assertFalse('\\' in tmpdir)
 
902
 
 
903
    def test_rename(self):
 
904
        a = open('a', 'wb')
 
905
        a.write('foo\n')
 
906
        a.close()
 
907
        b = open('b', 'wb')
 
908
        b.write('baz\n')
 
909
        b.close()
 
910
 
 
911
        osutils._win32_rename('b', 'a')
 
912
        self.failUnlessExists('a')
 
913
        self.failIfExists('b')
 
914
        self.assertFileEqual('baz\n', 'a')
 
915
 
 
916
    def test_rename_missing_file(self):
 
917
        a = open('a', 'wb')
 
918
        a.write('foo\n')
 
919
        a.close()
 
920
 
 
921
        try:
 
922
            osutils._win32_rename('b', 'a')
 
923
        except (IOError, OSError), e:
 
924
            self.assertEqual(errno.ENOENT, e.errno)
 
925
        self.assertFileEqual('foo\n', 'a')
 
926
 
 
927
    def test_rename_missing_dir(self):
 
928
        os.mkdir('a')
 
929
        try:
 
930
            osutils._win32_rename('b', 'a')
 
931
        except (IOError, OSError), e:
 
932
            self.assertEqual(errno.ENOENT, e.errno)
 
933
 
 
934
    def test_rename_current_dir(self):
 
935
        os.mkdir('a')
 
936
        os.chdir('a')
 
937
        # You can't rename the working directory
 
938
        # doing rename non-existant . usually
 
939
        # just raises ENOENT, since non-existant
 
940
        # doesn't exist.
 
941
        try:
 
942
            osutils._win32_rename('b', '.')
 
943
        except (IOError, OSError), e:
 
944
            self.assertEqual(errno.ENOENT, e.errno)
 
945
 
 
946
    def test_splitpath(self):
 
947
        def check(expected, path):
 
948
            self.assertEqual(expected, osutils.splitpath(path))
 
949
 
 
950
        check(['a'], 'a')
 
951
        check(['a', 'b'], 'a/b')
 
952
        check(['a', 'b'], 'a/./b')
 
953
        check(['a', '.b'], 'a/.b')
 
954
        check(['a', '.b'], 'a\\.b')
 
955
 
 
956
        self.assertRaises(errors.BzrError, osutils.splitpath, 'a/../b')
 
957
 
 
958
 
 
959
class TestParentDirectories(tests.TestCaseInTempDir):
 
960
    """Test osutils.parent_directories()"""
 
961
 
 
962
    def test_parent_directories(self):
 
963
        self.assertEqual([], osutils.parent_directories('a'))
 
964
        self.assertEqual(['a'], osutils.parent_directories('a/b'))
 
965
        self.assertEqual(['a/b', 'a'], osutils.parent_directories('a/b/c'))
 
966
 
 
967
 
 
968
class TestMacFuncsDirs(tests.TestCaseInTempDir):
 
969
    """Test mac special functions that require directories."""
 
970
 
 
971
    def test_getcwd(self):
 
972
        self.requireFeature(tests.UnicodeFilenameFeature)
 
973
        os.mkdir(u'B\xe5gfors')
 
974
        os.chdir(u'B\xe5gfors')
 
975
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
 
976
 
 
977
    def test_getcwd_nonnorm(self):
 
978
        self.requireFeature(tests.UnicodeFilenameFeature)
 
979
        # Test that _mac_getcwd() will normalize this path
 
980
        os.mkdir(u'Ba\u030agfors')
 
981
        os.chdir(u'Ba\u030agfors')
 
982
        self.assertEndsWith(osutils._mac_getcwd(), u'B\xe5gfors')
 
983
 
 
984
 
 
985
class TestChunksToLines(tests.TestCase):
 
986
 
 
987
    def test_smoketest(self):
 
988
        self.assertEqual(['foo\n', 'bar\n', 'baz\n'],
 
989
                         osutils.chunks_to_lines(['foo\nbar', '\nbaz\n']))
 
990
        self.assertEqual(['foo\n', 'bar\n', 'baz\n'],
 
991
                         osutils.chunks_to_lines(['foo\n', 'bar\n', 'baz\n']))
 
992
 
 
993
    def test_osutils_binding(self):
 
994
        from bzrlib.tests import test__chunks_to_lines
 
995
        if test__chunks_to_lines.compiled_chunkstolines_feature.available():
 
996
            from bzrlib._chunks_to_lines_pyx import chunks_to_lines
 
997
        else:
 
998
            from bzrlib._chunks_to_lines_py import chunks_to_lines
 
999
        self.assertIs(chunks_to_lines, osutils.chunks_to_lines)
 
1000
 
 
1001
 
 
1002
class TestSplitLines(tests.TestCase):
 
1003
 
 
1004
    def test_split_unicode(self):
 
1005
        self.assertEqual([u'foo\n', u'bar\xae'],
 
1006
                         osutils.split_lines(u'foo\nbar\xae'))
 
1007
        self.assertEqual([u'foo\n', u'bar\xae\n'],
 
1008
                         osutils.split_lines(u'foo\nbar\xae\n'))
 
1009
 
 
1010
    def test_split_with_carriage_returns(self):
 
1011
        self.assertEqual(['foo\rbar\n'],
 
1012
                         osutils.split_lines('foo\rbar\n'))
 
1013
 
 
1014
 
 
1015
class TestWalkDirs(tests.TestCaseInTempDir):
 
1016
 
 
1017
    def assertExpectedBlocks(self, expected, result):
 
1018
        self.assertEqual(expected,
 
1019
                         [(dirinfo, [line[0:3] for line in block])
 
1020
                          for dirinfo, block in result])
 
1021
 
 
1022
    def test_walkdirs(self):
 
1023
        tree = [
 
1024
            '.bzr',
 
1025
            '0file',
 
1026
            '1dir/',
 
1027
            '1dir/0file',
 
1028
            '1dir/1dir/',
 
1029
            '2file'
 
1030
            ]
 
1031
        self.build_tree(tree)
 
1032
        expected_dirblocks = [
 
1033
                (('', '.'),
 
1034
                 [('0file', '0file', 'file'),
 
1035
                  ('1dir', '1dir', 'directory'),
 
1036
                  ('2file', '2file', 'file'),
 
1037
                 ]
 
1038
                ),
 
1039
                (('1dir', './1dir'),
 
1040
                 [('1dir/0file', '0file', 'file'),
 
1041
                  ('1dir/1dir', '1dir', 'directory'),
 
1042
                 ]
 
1043
                ),
 
1044
                (('1dir/1dir', './1dir/1dir'),
 
1045
                 [
 
1046
                 ]
 
1047
                ),
 
1048
            ]
 
1049
        result = []
 
1050
        found_bzrdir = False
 
1051
        for dirdetail, dirblock in osutils.walkdirs('.'):
 
1052
            if len(dirblock) and dirblock[0][1] == '.bzr':
 
1053
                # this tests the filtering of selected paths
 
1054
                found_bzrdir = True
 
1055
                del dirblock[0]
 
1056
            result.append((dirdetail, dirblock))
 
1057
 
 
1058
        self.assertTrue(found_bzrdir)
 
1059
        self.assertExpectedBlocks(expected_dirblocks, result)
 
1060
        # you can search a subdir only, with a supplied prefix.
 
1061
        result = []
 
1062
        for dirblock in osutils.walkdirs('./1dir', '1dir'):
 
1063
            result.append(dirblock)
 
1064
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
 
1065
 
 
1066
    def test_walkdirs_os_error(self):
 
1067
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
 
1068
        # Pyrex readdir didn't raise useful messages if it had an error
 
1069
        # reading the directory
 
1070
        if sys.platform == 'win32':
 
1071
            raise tests.TestNotApplicable(
 
1072
                "readdir IOError not tested on win32")
 
1073
        os.mkdir("test-unreadable")
 
1074
        os.chmod("test-unreadable", 0000)
 
1075
        # must chmod it back so that it can be removed
 
1076
        self.addCleanup(os.chmod, "test-unreadable", 0700)
 
1077
        # The error is not raised until the generator is actually evaluated.
 
1078
        # (It would be ok if it happened earlier but at the moment it
 
1079
        # doesn't.)
 
1080
        e = self.assertRaises(OSError, list, osutils._walkdirs_utf8("."))
 
1081
        self.assertEquals('./test-unreadable', e.filename)
 
1082
        self.assertEquals(errno.EACCES, e.errno)
 
1083
        # Ensure the message contains the file name
 
1084
        self.assertContainsRe(str(e), "\./test-unreadable")
 
1085
 
 
1086
    def test__walkdirs_utf8(self):
 
1087
        tree = [
 
1088
            '.bzr',
 
1089
            '0file',
 
1090
            '1dir/',
 
1091
            '1dir/0file',
 
1092
            '1dir/1dir/',
 
1093
            '2file'
 
1094
            ]
 
1095
        self.build_tree(tree)
 
1096
        expected_dirblocks = [
 
1097
                (('', '.'),
 
1098
                 [('0file', '0file', 'file'),
 
1099
                  ('1dir', '1dir', 'directory'),
 
1100
                  ('2file', '2file', 'file'),
 
1101
                 ]
 
1102
                ),
 
1103
                (('1dir', './1dir'),
 
1104
                 [('1dir/0file', '0file', 'file'),
 
1105
                  ('1dir/1dir', '1dir', 'directory'),
 
1106
                 ]
 
1107
                ),
 
1108
                (('1dir/1dir', './1dir/1dir'),
 
1109
                 [
 
1110
                 ]
 
1111
                ),
 
1112
            ]
 
1113
        result = []
 
1114
        found_bzrdir = False
 
1115
        for dirdetail, dirblock in osutils._walkdirs_utf8('.'):
 
1116
            if len(dirblock) and dirblock[0][1] == '.bzr':
 
1117
                # this tests the filtering of selected paths
 
1118
                found_bzrdir = True
 
1119
                del dirblock[0]
 
1120
            result.append((dirdetail, dirblock))
 
1121
 
 
1122
        self.assertTrue(found_bzrdir)
 
1123
        self.assertExpectedBlocks(expected_dirblocks, result)
 
1124
 
 
1125
        # you can search a subdir only, with a supplied prefix.
 
1126
        result = []
 
1127
        for dirblock in osutils.walkdirs('./1dir', '1dir'):
 
1128
            result.append(dirblock)
 
1129
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
 
1130
 
 
1131
    def _filter_out_stat(self, result):
 
1132
        """Filter out the stat value from the walkdirs result"""
 
1133
        for dirdetail, dirblock in result:
 
1134
            new_dirblock = []
 
1135
            for info in dirblock:
 
1136
                # Ignore info[3] which is the stat
 
1137
                new_dirblock.append((info[0], info[1], info[2], info[4]))
 
1138
            dirblock[:] = new_dirblock
 
1139
 
 
1140
    def _save_platform_info(self):
 
1141
        self.overrideAttr(win32utils, 'winver')
 
1142
        self.overrideAttr(osutils, '_fs_enc')
 
1143
        self.overrideAttr(osutils, '_selected_dir_reader')
 
1144
 
 
1145
    def assertDirReaderIs(self, expected):
 
1146
        """Assert the right implementation for _walkdirs_utf8 is chosen."""
 
1147
        # Force it to redetect
 
1148
        osutils._selected_dir_reader = None
 
1149
        # Nothing to list, but should still trigger the selection logic
 
1150
        self.assertEqual([(('', '.'), [])], list(osutils._walkdirs_utf8('.')))
 
1151
        self.assertIsInstance(osutils._selected_dir_reader, expected)
 
1152
 
 
1153
    def test_force_walkdirs_utf8_fs_utf8(self):
 
1154
        self.requireFeature(UTF8DirReaderFeature)
 
1155
        self._save_platform_info()
 
1156
        win32utils.winver = None # Avoid the win32 detection code
 
1157
        osutils._fs_enc = 'UTF-8'
 
1158
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1159
 
 
1160
    def test_force_walkdirs_utf8_fs_ascii(self):
 
1161
        self.requireFeature(UTF8DirReaderFeature)
 
1162
        self._save_platform_info()
 
1163
        win32utils.winver = None # Avoid the win32 detection code
 
1164
        osutils._fs_enc = 'US-ASCII'
 
1165
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1166
 
 
1167
    def test_force_walkdirs_utf8_fs_ANSI(self):
 
1168
        self.requireFeature(UTF8DirReaderFeature)
 
1169
        self._save_platform_info()
 
1170
        win32utils.winver = None # Avoid the win32 detection code
 
1171
        osutils._fs_enc = 'ANSI_X3.4-1968'
 
1172
        self.assertDirReaderIs(UTF8DirReaderFeature.reader)
 
1173
 
 
1174
    def test_force_walkdirs_utf8_fs_latin1(self):
 
1175
        self._save_platform_info()
 
1176
        win32utils.winver = None # Avoid the win32 detection code
 
1177
        osutils._fs_enc = 'latin1'
 
1178
        self.assertDirReaderIs(osutils.UnicodeDirReader)
 
1179
 
 
1180
    def test_force_walkdirs_utf8_nt(self):
 
1181
        # Disabled because the thunk of the whole walkdirs api is disabled.
 
1182
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1183
        self._save_platform_info()
 
1184
        win32utils.winver = 'Windows NT'
 
1185
        from bzrlib._walkdirs_win32 import Win32ReadDir
 
1186
        self.assertDirReaderIs(Win32ReadDir)
 
1187
 
 
1188
    def test_force_walkdirs_utf8_98(self):
 
1189
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1190
        self._save_platform_info()
 
1191
        win32utils.winver = 'Windows 98'
 
1192
        self.assertDirReaderIs(osutils.UnicodeDirReader)
 
1193
 
 
1194
    def test_unicode_walkdirs(self):
 
1195
        """Walkdirs should always return unicode paths."""
 
1196
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1197
        name0 = u'0file-\xb6'
 
1198
        name1 = u'1dir-\u062c\u0648'
 
1199
        name2 = u'2file-\u0633'
 
1200
        tree = [
 
1201
            name0,
 
1202
            name1 + '/',
 
1203
            name1 + '/' + name0,
 
1204
            name1 + '/' + name1 + '/',
 
1205
            name2,
 
1206
            ]
 
1207
        self.build_tree(tree)
 
1208
        expected_dirblocks = [
 
1209
                ((u'', u'.'),
 
1210
                 [(name0, name0, 'file', './' + name0),
 
1211
                  (name1, name1, 'directory', './' + name1),
 
1212
                  (name2, name2, 'file', './' + name2),
 
1213
                 ]
 
1214
                ),
 
1215
                ((name1, './' + name1),
 
1216
                 [(name1 + '/' + name0, name0, 'file', './' + name1
 
1217
                                                        + '/' + name0),
 
1218
                  (name1 + '/' + name1, name1, 'directory', './' + name1
 
1219
                                                            + '/' + name1),
 
1220
                 ]
 
1221
                ),
 
1222
                ((name1 + '/' + name1, './' + name1 + '/' + name1),
 
1223
                 [
 
1224
                 ]
 
1225
                ),
 
1226
            ]
 
1227
        result = list(osutils.walkdirs('.'))
 
1228
        self._filter_out_stat(result)
 
1229
        self.assertEqual(expected_dirblocks, result)
 
1230
        result = list(osutils.walkdirs(u'./'+name1, name1))
 
1231
        self._filter_out_stat(result)
 
1232
        self.assertEqual(expected_dirblocks[1:], result)
 
1233
 
 
1234
    def test_unicode__walkdirs_utf8(self):
 
1235
        """Walkdirs_utf8 should always return utf8 paths.
 
1236
 
 
1237
        The abspath portion might be in unicode or utf-8
 
1238
        """
 
1239
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1240
        name0 = u'0file-\xb6'
 
1241
        name1 = u'1dir-\u062c\u0648'
 
1242
        name2 = u'2file-\u0633'
 
1243
        tree = [
 
1244
            name0,
 
1245
            name1 + '/',
 
1246
            name1 + '/' + name0,
 
1247
            name1 + '/' + name1 + '/',
 
1248
            name2,
 
1249
            ]
 
1250
        self.build_tree(tree)
 
1251
        name0 = name0.encode('utf8')
 
1252
        name1 = name1.encode('utf8')
 
1253
        name2 = name2.encode('utf8')
 
1254
 
 
1255
        expected_dirblocks = [
 
1256
                (('', '.'),
 
1257
                 [(name0, name0, 'file', './' + name0),
 
1258
                  (name1, name1, 'directory', './' + name1),
 
1259
                  (name2, name2, 'file', './' + name2),
 
1260
                 ]
 
1261
                ),
 
1262
                ((name1, './' + name1),
 
1263
                 [(name1 + '/' + name0, name0, 'file', './' + name1
 
1264
                                                        + '/' + name0),
 
1265
                  (name1 + '/' + name1, name1, 'directory', './' + name1
 
1266
                                                            + '/' + name1),
 
1267
                 ]
 
1268
                ),
 
1269
                ((name1 + '/' + name1, './' + name1 + '/' + name1),
 
1270
                 [
 
1271
                 ]
 
1272
                ),
 
1273
            ]
 
1274
        result = []
 
1275
        # For ease in testing, if walkdirs_utf8 returns Unicode, assert that
 
1276
        # all abspaths are Unicode, and encode them back into utf8.
 
1277
        for dirdetail, dirblock in osutils._walkdirs_utf8('.'):
 
1278
            self.assertIsInstance(dirdetail[0], str)
 
1279
            if isinstance(dirdetail[1], unicode):
 
1280
                dirdetail = (dirdetail[0], dirdetail[1].encode('utf8'))
 
1281
                dirblock = [list(info) for info in dirblock]
 
1282
                for info in dirblock:
 
1283
                    self.assertIsInstance(info[4], unicode)
 
1284
                    info[4] = info[4].encode('utf8')
 
1285
            new_dirblock = []
 
1286
            for info in dirblock:
 
1287
                self.assertIsInstance(info[0], str)
 
1288
                self.assertIsInstance(info[1], str)
 
1289
                self.assertIsInstance(info[4], str)
 
1290
                # Remove the stat information
 
1291
                new_dirblock.append((info[0], info[1], info[2], info[4]))
 
1292
            result.append((dirdetail, new_dirblock))
 
1293
        self.assertEqual(expected_dirblocks, result)
 
1294
 
 
1295
    def test__walkdirs_utf8_with_unicode_fs(self):
 
1296
        """UnicodeDirReader should be a safe fallback everywhere
 
1297
 
 
1298
        The abspath portion should be in unicode
 
1299
        """
 
1300
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1301
        # Use the unicode reader. TODO: split into driver-and-driven unit
 
1302
        # tests.
 
1303
        self._save_platform_info()
 
1304
        osutils._selected_dir_reader = osutils.UnicodeDirReader()
 
1305
        name0u = u'0file-\xb6'
 
1306
        name1u = u'1dir-\u062c\u0648'
 
1307
        name2u = u'2file-\u0633'
 
1308
        tree = [
 
1309
            name0u,
 
1310
            name1u + '/',
 
1311
            name1u + '/' + name0u,
 
1312
            name1u + '/' + name1u + '/',
 
1313
            name2u,
 
1314
            ]
 
1315
        self.build_tree(tree)
 
1316
        name0 = name0u.encode('utf8')
 
1317
        name1 = name1u.encode('utf8')
 
1318
        name2 = name2u.encode('utf8')
 
1319
 
 
1320
        # All of the abspaths should be in unicode, all of the relative paths
 
1321
        # should be in utf8
 
1322
        expected_dirblocks = [
 
1323
                (('', '.'),
 
1324
                 [(name0, name0, 'file', './' + name0u),
 
1325
                  (name1, name1, 'directory', './' + name1u),
 
1326
                  (name2, name2, 'file', './' + name2u),
 
1327
                 ]
 
1328
                ),
 
1329
                ((name1, './' + name1u),
 
1330
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
 
1331
                                                        + '/' + name0u),
 
1332
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
 
1333
                                                            + '/' + name1u),
 
1334
                 ]
 
1335
                ),
 
1336
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
 
1337
                 [
 
1338
                 ]
 
1339
                ),
 
1340
            ]
 
1341
        result = list(osutils._walkdirs_utf8('.'))
 
1342
        self._filter_out_stat(result)
 
1343
        self.assertEqual(expected_dirblocks, result)
 
1344
 
 
1345
    def test__walkdirs_utf8_win32readdir(self):
 
1346
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1347
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1348
        from bzrlib._walkdirs_win32 import Win32ReadDir
 
1349
        self._save_platform_info()
 
1350
        osutils._selected_dir_reader = Win32ReadDir()
 
1351
        name0u = u'0file-\xb6'
 
1352
        name1u = u'1dir-\u062c\u0648'
 
1353
        name2u = u'2file-\u0633'
 
1354
        tree = [
 
1355
            name0u,
 
1356
            name1u + '/',
 
1357
            name1u + '/' + name0u,
 
1358
            name1u + '/' + name1u + '/',
 
1359
            name2u,
 
1360
            ]
 
1361
        self.build_tree(tree)
 
1362
        name0 = name0u.encode('utf8')
 
1363
        name1 = name1u.encode('utf8')
 
1364
        name2 = name2u.encode('utf8')
 
1365
 
 
1366
        # All of the abspaths should be in unicode, all of the relative paths
 
1367
        # should be in utf8
 
1368
        expected_dirblocks = [
 
1369
                (('', '.'),
 
1370
                 [(name0, name0, 'file', './' + name0u),
 
1371
                  (name1, name1, 'directory', './' + name1u),
 
1372
                  (name2, name2, 'file', './' + name2u),
 
1373
                 ]
 
1374
                ),
 
1375
                ((name1, './' + name1u),
 
1376
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
 
1377
                                                        + '/' + name0u),
 
1378
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
 
1379
                                                            + '/' + name1u),
 
1380
                 ]
 
1381
                ),
 
1382
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
 
1383
                 [
 
1384
                 ]
 
1385
                ),
 
1386
            ]
 
1387
        result = list(osutils._walkdirs_utf8(u'.'))
 
1388
        self._filter_out_stat(result)
 
1389
        self.assertEqual(expected_dirblocks, result)
 
1390
 
 
1391
    def assertStatIsCorrect(self, path, win32stat):
 
1392
        os_stat = os.stat(path)
 
1393
        self.assertEqual(os_stat.st_size, win32stat.st_size)
 
1394
        self.assertAlmostEqual(os_stat.st_mtime, win32stat.st_mtime, places=4)
 
1395
        self.assertAlmostEqual(os_stat.st_ctime, win32stat.st_ctime, places=4)
 
1396
        self.assertAlmostEqual(os_stat.st_atime, win32stat.st_atime, places=4)
 
1397
        self.assertEqual(os_stat.st_dev, win32stat.st_dev)
 
1398
        self.assertEqual(os_stat.st_ino, win32stat.st_ino)
 
1399
        self.assertEqual(os_stat.st_mode, win32stat.st_mode)
 
1400
 
 
1401
    def test__walkdirs_utf_win32_find_file_stat_file(self):
 
1402
        """make sure our Stat values are valid"""
 
1403
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1404
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1405
        from bzrlib._walkdirs_win32 import Win32ReadDir
 
1406
        name0u = u'0file-\xb6'
 
1407
        name0 = name0u.encode('utf8')
 
1408
        self.build_tree([name0u])
 
1409
        # I hate to sleep() here, but I'm trying to make the ctime different
 
1410
        # from the mtime
 
1411
        time.sleep(2)
 
1412
        f = open(name0u, 'ab')
 
1413
        try:
 
1414
            f.write('just a small update')
 
1415
        finally:
 
1416
            f.close()
 
1417
 
 
1418
        result = Win32ReadDir().read_dir('', u'.')
 
1419
        entry = result[0]
 
1420
        self.assertEqual((name0, name0, 'file'), entry[:3])
 
1421
        self.assertEqual(u'./' + name0u, entry[4])
 
1422
        self.assertStatIsCorrect(entry[4], entry[3])
 
1423
        self.assertNotEqual(entry[3].st_mtime, entry[3].st_ctime)
 
1424
 
 
1425
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
 
1426
        """make sure our Stat values are valid"""
 
1427
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1428
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1429
        from bzrlib._walkdirs_win32 import Win32ReadDir
 
1430
        name0u = u'0dir-\u062c\u0648'
 
1431
        name0 = name0u.encode('utf8')
 
1432
        self.build_tree([name0u + '/'])
 
1433
 
 
1434
        result = Win32ReadDir().read_dir('', u'.')
 
1435
        entry = result[0]
 
1436
        self.assertEqual((name0, name0, 'directory'), entry[:3])
 
1437
        self.assertEqual(u'./' + name0u, entry[4])
 
1438
        self.assertStatIsCorrect(entry[4], entry[3])
 
1439
 
 
1440
    def assertPathCompare(self, path_less, path_greater):
 
1441
        """check that path_less and path_greater compare correctly."""
 
1442
        self.assertEqual(0, osutils.compare_paths_prefix_order(
 
1443
            path_less, path_less))
 
1444
        self.assertEqual(0, osutils.compare_paths_prefix_order(
 
1445
            path_greater, path_greater))
 
1446
        self.assertEqual(-1, osutils.compare_paths_prefix_order(
 
1447
            path_less, path_greater))
 
1448
        self.assertEqual(1, osutils.compare_paths_prefix_order(
 
1449
            path_greater, path_less))
 
1450
 
 
1451
    def test_compare_paths_prefix_order(self):
 
1452
        # root before all else
 
1453
        self.assertPathCompare("/", "/a")
 
1454
        # alpha within a dir
 
1455
        self.assertPathCompare("/a", "/b")
 
1456
        self.assertPathCompare("/b", "/z")
 
1457
        # high dirs before lower.
 
1458
        self.assertPathCompare("/z", "/a/a")
 
1459
        # except if the deeper dir should be output first
 
1460
        self.assertPathCompare("/a/b/c", "/d/g")
 
1461
        # lexical betwen dirs of the same height
 
1462
        self.assertPathCompare("/a/z", "/z/z")
 
1463
        self.assertPathCompare("/a/c/z", "/a/d/e")
 
1464
 
 
1465
        # this should also be consistent for no leading / paths
 
1466
        # root before all else
 
1467
        self.assertPathCompare("", "a")
 
1468
        # alpha within a dir
 
1469
        self.assertPathCompare("a", "b")
 
1470
        self.assertPathCompare("b", "z")
 
1471
        # high dirs before lower.
 
1472
        self.assertPathCompare("z", "a/a")
 
1473
        # except if the deeper dir should be output first
 
1474
        self.assertPathCompare("a/b/c", "d/g")
 
1475
        # lexical betwen dirs of the same height
 
1476
        self.assertPathCompare("a/z", "z/z")
 
1477
        self.assertPathCompare("a/c/z", "a/d/e")
 
1478
 
 
1479
    def test_path_prefix_sorting(self):
 
1480
        """Doing a sort on path prefix should match our sample data."""
 
1481
        original_paths = [
 
1482
            'a',
 
1483
            'a/b',
 
1484
            'a/b/c',
 
1485
            'b',
 
1486
            'b/c',
 
1487
            'd',
 
1488
            'd/e',
 
1489
            'd/e/f',
 
1490
            'd/f',
 
1491
            'd/g',
 
1492
            'g',
 
1493
            ]
 
1494
 
 
1495
        dir_sorted_paths = [
 
1496
            'a',
 
1497
            'b',
 
1498
            'd',
 
1499
            'g',
 
1500
            'a/b',
 
1501
            'a/b/c',
 
1502
            'b/c',
 
1503
            'd/e',
 
1504
            'd/f',
 
1505
            'd/g',
 
1506
            'd/e/f',
 
1507
            ]
 
1508
 
 
1509
        self.assertEqual(
 
1510
            dir_sorted_paths,
 
1511
            sorted(original_paths, key=osutils.path_prefix_key))
 
1512
        # using the comparison routine shoudl work too:
 
1513
        self.assertEqual(
 
1514
            dir_sorted_paths,
 
1515
            sorted(original_paths, cmp=osutils.compare_paths_prefix_order))
 
1516
 
 
1517
 
 
1518
class TestCopyTree(tests.TestCaseInTempDir):
 
1519
 
 
1520
    def test_copy_basic_tree(self):
 
1521
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
 
1522
        osutils.copy_tree('source', 'target')
 
1523
        self.assertEqual(['a', 'b'], sorted(os.listdir('target')))
 
1524
        self.assertEqual(['c'], os.listdir('target/b'))
 
1525
 
 
1526
    def test_copy_tree_target_exists(self):
 
1527
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c',
 
1528
                         'target/'])
 
1529
        osutils.copy_tree('source', 'target')
 
1530
        self.assertEqual(['a', 'b'], sorted(os.listdir('target')))
 
1531
        self.assertEqual(['c'], os.listdir('target/b'))
 
1532
 
 
1533
    def test_copy_tree_symlinks(self):
 
1534
        self.requireFeature(tests.SymlinkFeature)
 
1535
        self.build_tree(['source/'])
 
1536
        os.symlink('a/generic/path', 'source/lnk')
 
1537
        osutils.copy_tree('source', 'target')
 
1538
        self.assertEqual(['lnk'], os.listdir('target'))
 
1539
        self.assertEqual('a/generic/path', os.readlink('target/lnk'))
 
1540
 
 
1541
    def test_copy_tree_handlers(self):
 
1542
        processed_files = []
 
1543
        processed_links = []
 
1544
        def file_handler(from_path, to_path):
 
1545
            processed_files.append(('f', from_path, to_path))
 
1546
        def dir_handler(from_path, to_path):
 
1547
            processed_files.append(('d', from_path, to_path))
 
1548
        def link_handler(from_path, to_path):
 
1549
            processed_links.append((from_path, to_path))
 
1550
        handlers = {'file':file_handler,
 
1551
                    'directory':dir_handler,
 
1552
                    'symlink':link_handler,
 
1553
                   }
 
1554
 
 
1555
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
 
1556
        if osutils.has_symlinks():
 
1557
            os.symlink('a/generic/path', 'source/lnk')
 
1558
        osutils.copy_tree('source', 'target', handlers=handlers)
 
1559
 
 
1560
        self.assertEqual([('d', 'source', 'target'),
 
1561
                          ('f', 'source/a', 'target/a'),
 
1562
                          ('d', 'source/b', 'target/b'),
 
1563
                          ('f', 'source/b/c', 'target/b/c'),
 
1564
                         ], processed_files)
 
1565
        self.failIfExists('target')
 
1566
        if osutils.has_symlinks():
 
1567
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
 
1568
 
 
1569
 
 
1570
class TestSetUnsetEnv(tests.TestCase):
 
1571
    """Test updating the environment"""
 
1572
 
 
1573
    def setUp(self):
 
1574
        super(TestSetUnsetEnv, self).setUp()
 
1575
 
 
1576
        self.assertEqual(None, os.environ.get('BZR_TEST_ENV_VAR'),
 
1577
                         'Environment was not cleaned up properly.'
 
1578
                         ' Variable BZR_TEST_ENV_VAR should not exist.')
 
1579
        def cleanup():
 
1580
            if 'BZR_TEST_ENV_VAR' in os.environ:
 
1581
                del os.environ['BZR_TEST_ENV_VAR']
 
1582
        self.addCleanup(cleanup)
 
1583
 
 
1584
    def test_set(self):
 
1585
        """Test that we can set an env variable"""
 
1586
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', 'foo')
 
1587
        self.assertEqual(None, old)
 
1588
        self.assertEqual('foo', os.environ.get('BZR_TEST_ENV_VAR'))
 
1589
 
 
1590
    def test_double_set(self):
 
1591
        """Test that we get the old value out"""
 
1592
        osutils.set_or_unset_env('BZR_TEST_ENV_VAR', 'foo')
 
1593
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', 'bar')
 
1594
        self.assertEqual('foo', old)
 
1595
        self.assertEqual('bar', os.environ.get('BZR_TEST_ENV_VAR'))
 
1596
 
 
1597
    def test_unicode(self):
 
1598
        """Environment can only contain plain strings
 
1599
 
 
1600
        So Unicode strings must be encoded.
 
1601
        """
 
1602
        uni_val, env_val = tests.probe_unicode_in_user_encoding()
 
1603
        if uni_val is None:
 
1604
            raise tests.TestSkipped(
 
1605
                'Cannot find a unicode character that works in encoding %s'
 
1606
                % (osutils.get_user_encoding(),))
 
1607
 
 
1608
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', uni_val)
 
1609
        self.assertEqual(env_val, os.environ.get('BZR_TEST_ENV_VAR'))
 
1610
 
 
1611
    def test_unset(self):
 
1612
        """Test that passing None will remove the env var"""
 
1613
        osutils.set_or_unset_env('BZR_TEST_ENV_VAR', 'foo')
 
1614
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', None)
 
1615
        self.assertEqual('foo', old)
 
1616
        self.assertEqual(None, os.environ.get('BZR_TEST_ENV_VAR'))
 
1617
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
 
1618
 
 
1619
 
 
1620
class TestSizeShaFile(tests.TestCaseInTempDir):
 
1621
 
 
1622
    def test_sha_empty(self):
 
1623
        self.build_tree_contents([('foo', '')])
 
1624
        expected_sha = osutils.sha_string('')
 
1625
        f = open('foo')
 
1626
        self.addCleanup(f.close)
 
1627
        size, sha = osutils.size_sha_file(f)
 
1628
        self.assertEqual(0, size)
 
1629
        self.assertEqual(expected_sha, sha)
 
1630
 
 
1631
    def test_sha_mixed_endings(self):
 
1632
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
 
1633
        self.build_tree_contents([('foo', text)])
 
1634
        expected_sha = osutils.sha_string(text)
 
1635
        f = open('foo', 'rb')
 
1636
        self.addCleanup(f.close)
 
1637
        size, sha = osutils.size_sha_file(f)
 
1638
        self.assertEqual(38, size)
 
1639
        self.assertEqual(expected_sha, sha)
 
1640
 
 
1641
 
 
1642
class TestShaFileByName(tests.TestCaseInTempDir):
 
1643
 
 
1644
    def test_sha_empty(self):
 
1645
        self.build_tree_contents([('foo', '')])
 
1646
        expected_sha = osutils.sha_string('')
 
1647
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
 
1648
 
 
1649
    def test_sha_mixed_endings(self):
 
1650
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
 
1651
        self.build_tree_contents([('foo', text)])
 
1652
        expected_sha = osutils.sha_string(text)
 
1653
        self.assertEqual(expected_sha, osutils.sha_file_by_name('foo'))
 
1654
 
 
1655
 
 
1656
class TestResourceLoading(tests.TestCaseInTempDir):
 
1657
 
 
1658
    def test_resource_string(self):
 
1659
        # test resource in bzrlib
 
1660
        text = osutils.resource_string('bzrlib', 'debug.py')
 
1661
        self.assertContainsRe(text, "debug_flags = set()")
 
1662
        # test resource under bzrlib
 
1663
        text = osutils.resource_string('bzrlib.ui', 'text.py')
 
1664
        self.assertContainsRe(text, "class TextUIFactory")
 
1665
        # test unsupported package
 
1666
        self.assertRaises(errors.BzrError, osutils.resource_string, 'zzzz',
 
1667
            'yyy.xx')
 
1668
        # test unknown resource
 
1669
        self.assertRaises(IOError, osutils.resource_string, 'bzrlib', 'yyy.xx')
 
1670
 
 
1671
 
 
1672
class TestReCompile(tests.TestCase):
 
1673
 
 
1674
    def test_re_compile_checked(self):
 
1675
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
 
1676
        self.assertTrue(r.match('aaaa'))
 
1677
        self.assertTrue(r.match('aAaA'))
 
1678
 
 
1679
    def test_re_compile_checked_error(self):
 
1680
        # like https://bugs.launchpad.net/bzr/+bug/251352
 
1681
        err = self.assertRaises(
 
1682
            errors.BzrCommandError,
 
1683
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
 
1684
        self.assertEqual(
 
1685
            "Invalid regular expression in test case: '*': "
 
1686
            "nothing to repeat",
 
1687
            str(err))
 
1688
 
 
1689
 
 
1690
class TestDirReader(tests.TestCaseInTempDir):
 
1691
 
 
1692
    # Set by load_tests
 
1693
    _dir_reader_class = None
 
1694
    _native_to_unicode = None
 
1695
 
 
1696
    def setUp(self):
 
1697
        tests.TestCaseInTempDir.setUp(self)
 
1698
        self.overrideAttr(osutils,
 
1699
                          '_selected_dir_reader', self._dir_reader_class())
 
1700
 
 
1701
    def _get_ascii_tree(self):
 
1702
        tree = [
 
1703
            '0file',
 
1704
            '1dir/',
 
1705
            '1dir/0file',
 
1706
            '1dir/1dir/',
 
1707
            '2file'
 
1708
            ]
 
1709
        expected_dirblocks = [
 
1710
                (('', '.'),
 
1711
                 [('0file', '0file', 'file'),
 
1712
                  ('1dir', '1dir', 'directory'),
 
1713
                  ('2file', '2file', 'file'),
 
1714
                 ]
 
1715
                ),
 
1716
                (('1dir', './1dir'),
 
1717
                 [('1dir/0file', '0file', 'file'),
 
1718
                  ('1dir/1dir', '1dir', 'directory'),
 
1719
                 ]
 
1720
                ),
 
1721
                (('1dir/1dir', './1dir/1dir'),
 
1722
                 [
 
1723
                 ]
 
1724
                ),
 
1725
            ]
 
1726
        return tree, expected_dirblocks
 
1727
 
 
1728
    def test_walk_cur_dir(self):
 
1729
        tree, expected_dirblocks = self._get_ascii_tree()
 
1730
        self.build_tree(tree)
 
1731
        result = list(osutils._walkdirs_utf8('.'))
 
1732
        # Filter out stat and abspath
 
1733
        self.assertEqual(expected_dirblocks,
 
1734
                         [(dirinfo, [line[0:3] for line in block])
 
1735
                          for dirinfo, block in result])
 
1736
 
 
1737
    def test_walk_sub_dir(self):
 
1738
        tree, expected_dirblocks = self._get_ascii_tree()
 
1739
        self.build_tree(tree)
 
1740
        # you can search a subdir only, with a supplied prefix.
 
1741
        result = list(osutils._walkdirs_utf8('./1dir', '1dir'))
 
1742
        # Filter out stat and abspath
 
1743
        self.assertEqual(expected_dirblocks[1:],
 
1744
                         [(dirinfo, [line[0:3] for line in block])
 
1745
                          for dirinfo, block in result])
 
1746
 
 
1747
    def _get_unicode_tree(self):
 
1748
        name0u = u'0file-\xb6'
 
1749
        name1u = u'1dir-\u062c\u0648'
 
1750
        name2u = u'2file-\u0633'
 
1751
        tree = [
 
1752
            name0u,
 
1753
            name1u + '/',
 
1754
            name1u + '/' + name0u,
 
1755
            name1u + '/' + name1u + '/',
 
1756
            name2u,
 
1757
            ]
 
1758
        name0 = name0u.encode('UTF-8')
 
1759
        name1 = name1u.encode('UTF-8')
 
1760
        name2 = name2u.encode('UTF-8')
 
1761
        expected_dirblocks = [
 
1762
                (('', '.'),
 
1763
                 [(name0, name0, 'file', './' + name0u),
 
1764
                  (name1, name1, 'directory', './' + name1u),
 
1765
                  (name2, name2, 'file', './' + name2u),
 
1766
                 ]
 
1767
                ),
 
1768
                ((name1, './' + name1u),
 
1769
                 [(name1 + '/' + name0, name0, 'file', './' + name1u
 
1770
                                                        + '/' + name0u),
 
1771
                  (name1 + '/' + name1, name1, 'directory', './' + name1u
 
1772
                                                            + '/' + name1u),
 
1773
                 ]
 
1774
                ),
 
1775
                ((name1 + '/' + name1, './' + name1u + '/' + name1u),
 
1776
                 [
 
1777
                 ]
 
1778
                ),
 
1779
            ]
 
1780
        return tree, expected_dirblocks
 
1781
 
 
1782
    def _filter_out(self, raw_dirblocks):
 
1783
        """Filter out a walkdirs_utf8 result.
 
1784
 
 
1785
        stat field is removed, all native paths are converted to unicode
 
1786
        """
 
1787
        filtered_dirblocks = []
 
1788
        for dirinfo, block in raw_dirblocks:
 
1789
            dirinfo = (dirinfo[0], self._native_to_unicode(dirinfo[1]))
 
1790
            details = []
 
1791
            for line in block:
 
1792
                details.append(line[0:3] + (self._native_to_unicode(line[4]), ))
 
1793
            filtered_dirblocks.append((dirinfo, details))
 
1794
        return filtered_dirblocks
 
1795
 
 
1796
    def test_walk_unicode_tree(self):
 
1797
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1798
        tree, expected_dirblocks = self._get_unicode_tree()
 
1799
        self.build_tree(tree)
 
1800
        result = list(osutils._walkdirs_utf8('.'))
 
1801
        self.assertEqual(expected_dirblocks, self._filter_out(result))
 
1802
 
 
1803
    def test_symlink(self):
 
1804
        self.requireFeature(tests.SymlinkFeature)
 
1805
        self.requireFeature(tests.UnicodeFilenameFeature)
 
1806
        target = u'target\N{Euro Sign}'
 
1807
        link_name = u'l\N{Euro Sign}nk'
 
1808
        os.symlink(target, link_name)
 
1809
        target_utf8 = target.encode('UTF-8')
 
1810
        link_name_utf8 = link_name.encode('UTF-8')
 
1811
        expected_dirblocks = [
 
1812
                (('', '.'),
 
1813
                 [(link_name_utf8, link_name_utf8,
 
1814
                   'symlink', './' + link_name),],
 
1815
                 )]
 
1816
        result = list(osutils._walkdirs_utf8('.'))
 
1817
        self.assertEqual(expected_dirblocks, self._filter_out(result))
 
1818
 
 
1819
 
 
1820
class TestReadLink(tests.TestCaseInTempDir):
 
1821
    """Exposes os.readlink() problems and the osutils solution.
 
1822
 
 
1823
    The only guarantee offered by os.readlink(), starting with 2.6, is that a
 
1824
    unicode string will be returned if a unicode string is passed.
 
1825
 
 
1826
    But prior python versions failed to properly encode the passed unicode
 
1827
    string.
 
1828
    """
 
1829
    _test_needs_features = [tests.SymlinkFeature, tests.UnicodeFilenameFeature]
 
1830
 
 
1831
    def setUp(self):
 
1832
        super(tests.TestCaseInTempDir, self).setUp()
 
1833
        self.link = u'l\N{Euro Sign}ink'
 
1834
        self.target = u'targe\N{Euro Sign}t'
 
1835
        os.symlink(self.target, self.link)
 
1836
 
 
1837
    def test_os_readlink_link_encoding(self):
 
1838
        if sys.version_info < (2, 6):
 
1839
            self.assertRaises(UnicodeEncodeError, os.readlink, self.link)
 
1840
        else:
 
1841
            self.assertEquals(self.target,  os.readlink(self.link))
 
1842
 
 
1843
    def test_os_readlink_link_decoding(self):
 
1844
        self.assertEquals(self.target.encode(osutils._fs_enc),
 
1845
                          os.readlink(self.link.encode(osutils._fs_enc)))
 
1846
 
 
1847
 
 
1848
class TestConcurrency(tests.TestCase):
 
1849
 
 
1850
    def setUp(self):
 
1851
        super(TestConcurrency, self).setUp()
 
1852
        self.overrideAttr(osutils, '_cached_local_concurrency')
 
1853
 
 
1854
    def test_local_concurrency(self):
 
1855
        concurrency = osutils.local_concurrency()
 
1856
        self.assertIsInstance(concurrency, int)
 
1857
 
 
1858
    def test_local_concurrency_environment_variable(self):
 
1859
        os.environ['BZR_CONCURRENCY'] = '2'
 
1860
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
 
1861
        os.environ['BZR_CONCURRENCY'] = '3'
 
1862
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
 
1863
        os.environ['BZR_CONCURRENCY'] = 'foo'
 
1864
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
 
1865
 
 
1866
    def test_option_concurrency(self):
 
1867
        os.environ['BZR_CONCURRENCY'] = '1'
 
1868
        self.run_bzr('rocks --concurrency 42')
 
1869
        # Command line overrides envrionment variable
 
1870
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
 
1871
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
 
1872
 
 
1873
 
 
1874
class TestFailedToLoadExtension(tests.TestCase):
 
1875
 
 
1876
    def _try_loading(self):
 
1877
        try:
 
1878
            import bzrlib._fictional_extension_py
 
1879
        except ImportError, e:
 
1880
            osutils.failed_to_load_extension(e)
 
1881
            return True
 
1882
 
 
1883
    def setUp(self):
 
1884
        super(TestFailedToLoadExtension, self).setUp()
 
1885
        self.overrideAttr(osutils, '_extension_load_failures', [])
 
1886
 
 
1887
    def test_failure_to_load(self):
 
1888
        self._try_loading()
 
1889
        self.assertLength(1, osutils._extension_load_failures)
 
1890
        self.assertEquals(osutils._extension_load_failures[0],
 
1891
            "No module named _fictional_extension_py")
 
1892
 
 
1893
    def test_report_extension_load_failures_no_warning(self):
 
1894
        self.assertTrue(self._try_loading())
 
1895
        warnings, result = self.callCatchWarnings(osutils.report_extension_load_failures)
 
1896
        # it used to give a Python warning; it no longer does
 
1897
        self.assertLength(0, warnings)
 
1898
 
 
1899
    def test_report_extension_load_failures_message(self):
 
1900
        log = StringIO()
 
1901
        trace.push_log_file(log)
 
1902
        self.assertTrue(self._try_loading())
 
1903
        osutils.report_extension_load_failures()
 
1904
        self.assertContainsRe(
 
1905
            log.getvalue(),
 
1906
            r"bzr: warning: some compiled extensions could not be loaded; "
 
1907
            "see <https://answers\.launchpad\.net/bzr/\+faq/703>\n"
 
1908
            )
 
1909
 
 
1910
 
 
1911
class TestTerminalWidth(tests.TestCase):
 
1912
 
 
1913
    def replace_stdout(self, new):
 
1914
        self.overrideAttr(sys, 'stdout', new)
 
1915
 
 
1916
    def replace__terminal_size(self, new):
 
1917
        self.overrideAttr(osutils, '_terminal_size', new)
 
1918
 
 
1919
    def set_fake_tty(self):
 
1920
 
 
1921
        class I_am_a_tty(object):
 
1922
            def isatty(self):
 
1923
                return True
 
1924
 
 
1925
        self.replace_stdout(I_am_a_tty())
 
1926
 
 
1927
    def test_default_values(self):
 
1928
        self.assertEqual(80, osutils.default_terminal_width)
 
1929
 
 
1930
    def test_defaults_to_BZR_COLUMNS(self):
 
1931
        # BZR_COLUMNS is set by the test framework
 
1932
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
 
1933
        os.environ['BZR_COLUMNS'] = '12'
 
1934
        self.assertEqual(12, osutils.terminal_width())
 
1935
 
 
1936
    def test_falls_back_to_COLUMNS(self):
 
1937
        del os.environ['BZR_COLUMNS']
 
1938
        self.assertNotEqual('42', os.environ['COLUMNS'])
 
1939
        self.set_fake_tty()
 
1940
        os.environ['COLUMNS'] = '42'
 
1941
        self.assertEqual(42, osutils.terminal_width())
 
1942
 
 
1943
    def test_tty_default_without_columns(self):
 
1944
        del os.environ['BZR_COLUMNS']
 
1945
        del os.environ['COLUMNS']
 
1946
 
 
1947
        def terminal_size(w, h):
 
1948
            return 42, 42
 
1949
 
 
1950
        self.set_fake_tty()
 
1951
        # We need to override the osutils definition as it depends on the
 
1952
        # running environment that we can't control (PQM running without a
 
1953
        # controlling terminal is one example).
 
1954
        self.replace__terminal_size(terminal_size)
 
1955
        self.assertEqual(42, osutils.terminal_width())
 
1956
 
 
1957
    def test_non_tty_default_without_columns(self):
 
1958
        del os.environ['BZR_COLUMNS']
 
1959
        del os.environ['COLUMNS']
 
1960
        self.replace_stdout(None)
 
1961
        self.assertEqual(None, osutils.terminal_width())
 
1962
 
 
1963
    def test_no_TIOCGWINSZ(self):
 
1964
        self.requireFeature(term_ios_feature)
 
1965
        termios = term_ios_feature.module
 
1966
        # bug 63539 is about a termios without TIOCGWINSZ attribute
 
1967
        try:
 
1968
            orig = termios.TIOCGWINSZ
 
1969
        except AttributeError:
 
1970
            # We won't remove TIOCGWINSZ, because it doesn't exist anyway :)
 
1971
            pass
 
1972
        else:
 
1973
            self.overrideAttr(termios, 'TIOCGWINSZ')
 
1974
            del termios.TIOCGWINSZ
 
1975
        del os.environ['BZR_COLUMNS']
 
1976
        del os.environ['COLUMNS']
 
1977
        # Whatever the result is, if we don't raise an exception, it's ok.
 
1978
        osutils.terminal_width()
 
1979
 
 
1980
class TestCreationOps(tests.TestCaseInTempDir):
 
1981
    _test_needs_features = [features.chown_feature]
 
1982
 
 
1983
    def setUp(self):
 
1984
        tests.TestCaseInTempDir.setUp(self)
 
1985
        self.overrideAttr(os, 'chown', self._dummy_chown)
 
1986
 
 
1987
        # params set by call to _dummy_chown
 
1988
        self.path = self.uid = self.gid = None
 
1989
 
 
1990
    def _dummy_chown(self, path, uid, gid):
 
1991
        self.path, self.uid, self.gid = path, uid, gid
 
1992
 
 
1993
    def test_mkdir_with_ownership_chown(self):
 
1994
        """Ensure that osutils.mkdir_with_ownership chowns correctly with ownership_src.
 
1995
        """
 
1996
        ownsrc = '/'
 
1997
        osutils.mkdir_with_ownership('foo', ownsrc)
 
1998
 
 
1999
        s = os.stat(ownsrc)
 
2000
        self.assertEquals(self.path, 'foo')
 
2001
        self.assertEquals(self.uid, s.st_uid)
 
2002
        self.assertEquals(self.gid, s.st_gid)
 
2003
 
 
2004
    def test_open_with_ownership_chown(self):
 
2005
        """Ensure that osutils.open_with_ownership chowns correctly with ownership_src.
 
2006
        """
 
2007
        ownsrc = '/'
 
2008
        f = osutils.open_with_ownership('foo', 'w', ownership_src=ownsrc)
 
2009
 
 
2010
        # do a test write and close
 
2011
        f.write('hello')
 
2012
        f.close()
 
2013
 
 
2014
        s = os.stat(ownsrc)
 
2015
        self.assertEquals(self.path, 'foo')
 
2016
        self.assertEquals(self.uid, s.st_uid)
 
2017
        self.assertEquals(self.gid, s.st_gid)
 
2018