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Viewing changes to bzrlib/tests/test_osutils.py

terminal_width can now returns None.

* bzrlib/win32utils.py:
(get_console_size): Fix typo in comment.

* bzrlib/ui/text.py:
(TextProgressView._show_line): Handle the no terminal present case.

* bzrlib/tests/test_osutils.py:
(TestTerminalWidth): Update tests.

* bzrlib/tests/blackbox/test_too_much.py:
Fix some imports.
(OldTests.test_bzr): Handle the no terminal present case.

* bzrlib/tests/__init__.py:
(VerboseTestResult.report_test_start): Handle the no terminal
present case.

* bzrlib/status.py:
(show_pending_merges): Handle the no terminal present case.
(show_pending_merges.show_log_message): Factor out some
code. Handle the no terminal present case.

* bzrlib/osutils.py:
(terminal_width): Return None if no precise value can be found.

* bzrlib/log.py:
(LineLogFormatter.__init__): Handle the no terminal present case.
(LineLogFormatter.truncate): Accept None as max_len meaning no
truncation.
(LineLogFormatter.log_string): 

* bzrlib/help.py:
(_help_commands_to_text): Handle the no terminal present case.

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added added

removed removed

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bzrlib/tests/test_osutils.py
1
 
# Copyright (C) 2005-2011 Canonical Ltd
 
1
# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
21
21
import os
22
22
import re
23
23
import socket
 
24
import stat
24
25
import sys
 
26
import termios
25
27
import time
26
28
 
27
29
from bzrlib import (
28
30
    errors,
29
 
    lazy_regex,
30
31
    osutils,
31
 
    symbol_versioning,
32
32
    tests,
33
33
    trace,
34
34
    win32utils,
35
35
    )
36
36
from bzrlib.tests import (
37
 
    features,
38
37
    file_utils,
39
38
    test__walkdirs_win32,
40
39
    )
41
 
from bzrlib.tests.scenarios import load_tests_apply_scenarios
42
40
 
43
41
 
44
42
class _UTF8DirReaderFeature(tests.Feature):
56
54
 
57
55
UTF8DirReaderFeature = _UTF8DirReaderFeature()
58
56
 
59
 
term_ios_feature = tests.ModuleAvailableFeature('termios')
60
 
 
61
57
 
62
58
def _already_unicode(s):
63
59
    return s
64
60
 
65
61
 
 
62
def _fs_enc_to_unicode(s):
 
63
    return s.decode(osutils._fs_enc)
 
64
 
 
65
 
66
66
def _utf8_to_unicode(s):
67
67
    return s.decode('UTF-8')
68
68
 
85
85
                          dict(_dir_reader_class=_readdir_pyx.UTF8DirReader,
86
86
                               _native_to_unicode=_utf8_to_unicode)))
87
87
 
88
 
    if test__walkdirs_win32.win32_readdir_feature.available():
 
88
    if test__walkdirs_win32.Win32ReadDirFeature.available():
89
89
        try:
90
90
            from bzrlib import _walkdirs_win32
 
91
            # TODO: check on windows, it may be that we need to use/add
 
92
            # safe_unicode instead of _fs_enc_to_unicode
91
93
            scenarios.append(
92
94
                ('win32',
93
95
                 dict(_dir_reader_class=_walkdirs_win32.Win32ReadDir,
94
 
                      _native_to_unicode=_already_unicode)))
 
96
                      _native_to_unicode=_fs_enc_to_unicode)))
95
97
        except ImportError:
96
98
            pass
97
99
    return scenarios
98
100
 
99
101
 
100
 
load_tests = load_tests_apply_scenarios
 
102
def load_tests(basic_tests, module, loader):
 
103
    suite = loader.suiteClass()
 
104
    dir_reader_tests, remaining_tests = tests.split_suite_by_condition(
 
105
        basic_tests, tests.condition_isinstance(TestDirReader))
 
106
    tests.multiply_tests(dir_reader_tests, dir_reader_scenarios(), suite)
 
107
    suite.addTest(remaining_tests)
 
108
    return suite
101
109
 
102
110
 
103
111
class TestContainsWhitespace(tests.TestCase):
104
112
 
105
113
    def test_contains_whitespace(self):
106
 
        self.assertTrue(osutils.contains_whitespace(u' '))
107
 
        self.assertTrue(osutils.contains_whitespace(u'hello there'))
108
 
        self.assertTrue(osutils.contains_whitespace(u'hellothere\n'))
109
 
        self.assertTrue(osutils.contains_whitespace(u'hello\nthere'))
110
 
        self.assertTrue(osutils.contains_whitespace(u'hello\rthere'))
111
 
        self.assertTrue(osutils.contains_whitespace(u'hello\tthere'))
 
114
        self.failUnless(osutils.contains_whitespace(u' '))
 
115
        self.failUnless(osutils.contains_whitespace(u'hello there'))
 
116
        self.failUnless(osutils.contains_whitespace(u'hellothere\n'))
 
117
        self.failUnless(osutils.contains_whitespace(u'hello\nthere'))
 
118
        self.failUnless(osutils.contains_whitespace(u'hello\rthere'))
 
119
        self.failUnless(osutils.contains_whitespace(u'hello\tthere'))
112
120
 
113
121
        # \xa0 is "Non-breaking-space" which on some python locales thinks it
114
122
        # is whitespace, but we do not.
115
 
        self.assertFalse(osutils.contains_whitespace(u''))
116
 
        self.assertFalse(osutils.contains_whitespace(u'hellothere'))
117
 
        self.assertFalse(osutils.contains_whitespace(u'hello\xa0there'))
 
123
        self.failIf(osutils.contains_whitespace(u''))
 
124
        self.failIf(osutils.contains_whitespace(u'hellothere'))
 
125
        self.failIf(osutils.contains_whitespace(u'hello\xa0there'))
118
126
 
119
127
 
120
128
class TestRename(tests.TestCaseInTempDir):
121
129
 
122
 
    def create_file(self, filename, content):
123
 
        f = open(filename, 'wb')
124
 
        try:
125
 
            f.write(content)
126
 
        finally:
127
 
            f.close()
128
 
 
129
 
    def _fancy_rename(self, a, b):
130
 
        osutils.fancy_rename(a, b, rename_func=os.rename,
131
 
                             unlink_func=os.unlink)
132
 
 
133
130
    def test_fancy_rename(self):
134
131
        # This should work everywhere
135
 
        self.create_file('a', 'something in a\n')
136
 
        self._fancy_rename('a', 'b')
137
 
        self.assertPathDoesNotExist('a')
138
 
        self.assertPathExists('b')
 
132
        def rename(a, b):
 
133
            osutils.fancy_rename(a, b,
 
134
                    rename_func=os.rename,
 
135
                    unlink_func=os.unlink)
 
136
 
 
137
        open('a', 'wb').write('something in a\n')
 
138
        rename('a', 'b')
 
139
        self.failIfExists('a')
 
140
        self.failUnlessExists('b')
139
141
        self.check_file_contents('b', 'something in a\n')
140
142
 
141
 
        self.create_file('a', 'new something in a\n')
142
 
        self._fancy_rename('b', 'a')
 
143
        open('a', 'wb').write('new something in a\n')
 
144
        rename('b', 'a')
143
145
 
144
146
        self.check_file_contents('a', 'something in a\n')
145
147
 
146
 
    def test_fancy_rename_fails_source_missing(self):
147
 
        # An exception should be raised, and the target should be left in place
148
 
        self.create_file('target', 'data in target\n')
149
 
        self.assertRaises((IOError, OSError), self._fancy_rename,
150
 
                          'missingsource', 'target')
151
 
        self.assertPathExists('target')
152
 
        self.check_file_contents('target', 'data in target\n')
153
 
 
154
 
    def test_fancy_rename_fails_if_source_and_target_missing(self):
155
 
        self.assertRaises((IOError, OSError), self._fancy_rename,
156
 
                          'missingsource', 'missingtarget')
157
 
 
158
148
    def test_rename(self):
159
149
        # Rename should be semi-atomic on all platforms
160
 
        self.create_file('a', 'something in a\n')
 
150
        open('a', 'wb').write('something in a\n')
161
151
        osutils.rename('a', 'b')
162
 
        self.assertPathDoesNotExist('a')
163
 
        self.assertPathExists('b')
 
152
        self.failIfExists('a')
 
153
        self.failUnlessExists('b')
164
154
        self.check_file_contents('b', 'something in a\n')
165
155
 
166
 
        self.create_file('a', 'new something in a\n')
 
156
        open('a', 'wb').write('new something in a\n')
167
157
        osutils.rename('b', 'a')
168
158
 
169
159
        self.check_file_contents('a', 'something in a\n')
231
221
            self.assertFalse(osutils.is_inside_or_parent_of_any(dirs, fn))
232
222
 
233
223
 
234
 
class TestLstat(tests.TestCaseInTempDir):
235
 
 
236
 
    def test_lstat_matches_fstat(self):
237
 
        # On Windows, lstat and fstat don't always agree, primarily in the
238
 
        # 'st_ino' and 'st_dev' fields. So we force them to be '0' in our
239
 
        # custom implementation.
240
 
        if sys.platform == 'win32':
241
 
            # We only have special lstat/fstat if we have the extension.
242
 
            # Without it, we may end up re-reading content when we don't have
243
 
            # to, but otherwise it doesn't effect correctness.
244
 
            self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
245
 
        f = open('test-file.txt', 'wb')
246
 
        self.addCleanup(f.close)
247
 
        f.write('some content\n')
248
 
        f.flush()
249
 
        self.assertEqualStat(osutils.fstat(f.fileno()),
250
 
                             osutils.lstat('test-file.txt'))
251
 
 
252
 
 
253
224
class TestRmTree(tests.TestCaseInTempDir):
254
225
 
255
226
    def test_rmtree(self):
267
238
 
268
239
        osutils.rmtree('dir')
269
240
 
270
 
        self.assertPathDoesNotExist('dir/file')
271
 
        self.assertPathDoesNotExist('dir')
 
241
        self.failIfExists('dir/file')
 
242
        self.failIfExists('dir')
272
243
 
273
244
 
274
245
class TestDeleteAny(tests.TestCaseInTempDir):
325
296
        self.assertEqual("/", osutils.kind_marker(osutils._directory_kind))
326
297
        self.assertEqual("@", osutils.kind_marker("symlink"))
327
298
        self.assertEqual("+", osutils.kind_marker("tree-reference"))
328
 
        self.assertEqual("", osutils.kind_marker("fifo"))
329
 
        self.assertEqual("", osutils.kind_marker("socket"))
330
 
        self.assertEqual("", osutils.kind_marker("unknown"))
 
299
        self.assertRaises(errors.BzrError, osutils.kind_marker, "unknown")
331
300
 
332
301
 
333
302
class TestUmask(tests.TestCaseInTempDir):
398
367
        # Instead blackbox.test_locale should check for localized
399
368
        # dates once they do occur in output strings.
400
369
 
401
 
    def test_format_date_with_offset_in_original_timezone(self):
402
 
        self.assertEqual("Thu 1970-01-01 00:00:00 +0000",
403
 
            osutils.format_date_with_offset_in_original_timezone(0))
404
 
        self.assertEqual("Fri 1970-01-02 03:46:40 +0000",
405
 
            osutils.format_date_with_offset_in_original_timezone(100000))
406
 
        self.assertEqual("Fri 1970-01-02 05:46:40 +0200",
407
 
            osutils.format_date_with_offset_in_original_timezone(100000, 7200))
408
 
 
409
370
    def test_local_time_offset(self):
410
371
        """Test that local_time_offset() returns a sane value."""
411
372
        offset = osutils.local_time_offset()
488
449
        f = file('MixedCaseName', 'w')
489
450
        f.close()
490
451
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
491
 
        self.assertEqual('work/MixedCaseName', actual)
 
452
        self.failUnlessEqual('work/MixedCaseName', actual)
492
453
 
493
454
    def test_canonical_relpath_missing_tail(self):
494
455
        os.mkdir('MixedCaseParent')
495
456
        actual = osutils.canonical_relpath(self.test_base_dir,
496
457
                                           'mixedcaseparent/nochild')
497
 
        self.assertEqual('work/MixedCaseParent/nochild', actual)
 
458
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
498
459
 
499
460
 
500
461
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
876
837
        self.assertEqual('//HOST/path', osutils._win98_abspath('//HOST/path'))
877
838
        # relative path
878
839
        cwd = osutils.getcwd().rstrip('/')
879
 
        drive = osutils.ntpath.splitdrive(cwd)[0]
 
840
        drive = osutils._nt_splitdrive(cwd)[0]
880
841
        self.assertEqual(cwd+'/path', osutils._win98_abspath('path'))
881
842
        self.assertEqual(drive+'/path', osutils._win98_abspath('/path'))
882
843
        # unicode path
924
885
        b.close()
925
886
 
926
887
        osutils._win32_rename('b', 'a')
927
 
        self.assertPathExists('a')
928
 
        self.assertPathDoesNotExist('b')
 
888
        self.failUnlessExists('a')
 
889
        self.failIfExists('b')
929
890
        self.assertFileEqual('baz\n', 'a')
930
891
 
931
892
    def test_rename_missing_file(self):
1007
968
 
1008
969
    def test_osutils_binding(self):
1009
970
        from bzrlib.tests import test__chunks_to_lines
1010
 
        if test__chunks_to_lines.compiled_chunkstolines_feature.available():
 
971
        if test__chunks_to_lines.CompiledChunksToLinesFeature.available():
1011
972
            from bzrlib._chunks_to_lines_pyx import chunks_to_lines
1012
973
        else:
1013
974
            from bzrlib._chunks_to_lines_py import chunks_to_lines
1079
1040
        self.assertExpectedBlocks(expected_dirblocks[1:], result)
1080
1041
 
1081
1042
    def test_walkdirs_os_error(self):
1082
 
        # <https://bugs.launchpad.net/bzr/+bug/338653>
 
1043
        # <https://bugs.edge.launchpad.net/bzr/+bug/338653>
1083
1044
        # Pyrex readdir didn't raise useful messages if it had an error
1084
1045
        # reading the directory
1085
1046
        if sys.platform == 'win32':
1086
1047
            raise tests.TestNotApplicable(
1087
1048
                "readdir IOError not tested on win32")
1088
 
        self.requireFeature(features.not_running_as_root)
1089
1049
        os.mkdir("test-unreadable")
1090
1050
        os.chmod("test-unreadable", 0000)
1091
1051
        # must chmod it back so that it can be removed
1099
1059
        # Ensure the message contains the file name
1100
1060
        self.assertContainsRe(str(e), "\./test-unreadable")
1101
1061
 
1102
 
 
1103
 
    def test_walkdirs_encoding_error(self):
1104
 
        # <https://bugs.launchpad.net/bzr/+bug/488519>
1105
 
        # walkdirs didn't raise a useful message when the filenames
1106
 
        # are not using the filesystem's encoding
1107
 
 
1108
 
        # require a bytestring based filesystem
1109
 
        self.requireFeature(tests.ByteStringNamedFilesystem)
1110
 
 
1111
 
        tree = [
1112
 
            '.bzr',
1113
 
            '0file',
1114
 
            '1dir/',
1115
 
            '1dir/0file',
1116
 
            '1dir/1dir/',
1117
 
            '1file'
1118
 
            ]
1119
 
 
1120
 
        self.build_tree(tree)
1121
 
 
1122
 
        # rename the 1file to a latin-1 filename
1123
 
        os.rename("./1file", "\xe8file")
1124
 
        if "\xe8file" not in os.listdir("."):
1125
 
            self.skip("Lack filesystem that preserves arbitrary bytes")
1126
 
 
1127
 
        self._save_platform_info()
1128
 
        win32utils.winver = None # Avoid the win32 detection code
1129
 
        osutils._fs_enc = 'UTF-8'
1130
 
 
1131
 
        # this should raise on error
1132
 
        def attempt():
1133
 
            for dirdetail, dirblock in osutils.walkdirs('.'):
1134
 
                pass
1135
 
 
1136
 
        self.assertRaises(errors.BadFilenameEncoding, attempt)
1137
 
 
1138
1062
    def test__walkdirs_utf8(self):
1139
1063
        tree = [
1140
1064
            '.bzr',
1190
1114
            dirblock[:] = new_dirblock
1191
1115
 
1192
1116
    def _save_platform_info(self):
1193
 
        self.overrideAttr(win32utils, 'winver')
1194
 
        self.overrideAttr(osutils, '_fs_enc')
1195
 
        self.overrideAttr(osutils, '_selected_dir_reader')
 
1117
        cur_winver = win32utils.winver
 
1118
        cur_fs_enc = osutils._fs_enc
 
1119
        cur_dir_reader = osutils._selected_dir_reader
 
1120
        def restore():
 
1121
            win32utils.winver = cur_winver
 
1122
            osutils._fs_enc = cur_fs_enc
 
1123
            osutils._selected_dir_reader = cur_dir_reader
 
1124
        self.addCleanup(restore)
1196
1125
 
1197
1126
    def assertDirReaderIs(self, expected):
1198
1127
        """Assert the right implementation for _walkdirs_utf8 is chosen."""
1231
1160
 
1232
1161
    def test_force_walkdirs_utf8_nt(self):
1233
1162
        # Disabled because the thunk of the whole walkdirs api is disabled.
1234
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1163
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1235
1164
        self._save_platform_info()
1236
1165
        win32utils.winver = 'Windows NT'
1237
1166
        from bzrlib._walkdirs_win32 import Win32ReadDir
1238
1167
        self.assertDirReaderIs(Win32ReadDir)
1239
1168
 
1240
1169
    def test_force_walkdirs_utf8_98(self):
1241
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1170
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1242
1171
        self._save_platform_info()
1243
1172
        win32utils.winver = 'Windows 98'
1244
1173
        self.assertDirReaderIs(osutils.UnicodeDirReader)
1395
1324
        self.assertEqual(expected_dirblocks, result)
1396
1325
 
1397
1326
    def test__walkdirs_utf8_win32readdir(self):
1398
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1327
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1399
1328
        self.requireFeature(tests.UnicodeFilenameFeature)
1400
1329
        from bzrlib._walkdirs_win32 import Win32ReadDir
1401
1330
        self._save_platform_info()
1452
1381
 
1453
1382
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1454
1383
        """make sure our Stat values are valid"""
1455
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1384
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1456
1385
        self.requireFeature(tests.UnicodeFilenameFeature)
1457
1386
        from bzrlib._walkdirs_win32 import Win32ReadDir
1458
1387
        name0u = u'0file-\xb6'
1476
1405
 
1477
1406
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1478
1407
        """make sure our Stat values are valid"""
1479
 
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
 
1408
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
1480
1409
        self.requireFeature(tests.UnicodeFilenameFeature)
1481
1410
        from bzrlib._walkdirs_win32 import Win32ReadDir
1482
1411
        name0u = u'0dir-\u062c\u0648'
1614
1543
                          ('d', 'source/b', 'target/b'),
1615
1544
                          ('f', 'source/b/c', 'target/b/c'),
1616
1545
                         ], processed_files)
1617
 
        self.assertPathDoesNotExist('target')
 
1546
        self.failIfExists('target')
1618
1547
        if osutils.has_symlinks():
1619
1548
            self.assertEqual([('source/lnk', 'target/lnk')], processed_links)
1620
1549
 
1631
1560
        def cleanup():
1632
1561
            if 'BZR_TEST_ENV_VAR' in os.environ:
1633
1562
                del os.environ['BZR_TEST_ENV_VAR']
 
1563
 
1634
1564
        self.addCleanup(cleanup)
1635
1565
 
1636
1566
    def test_set(self):
1666
1596
        old = osutils.set_or_unset_env('BZR_TEST_ENV_VAR', None)
1667
1597
        self.assertEqual('foo', old)
1668
1598
        self.assertEqual(None, os.environ.get('BZR_TEST_ENV_VAR'))
1669
 
        self.assertFalse('BZR_TEST_ENV_VAR' in os.environ)
 
1599
        self.failIf('BZR_TEST_ENV_VAR' in os.environ)
1670
1600
 
1671
1601
 
1672
1602
class TestSizeShaFile(tests.TestCaseInTempDir):
1684
1614
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
1685
1615
        self.build_tree_contents([('foo', text)])
1686
1616
        expected_sha = osutils.sha_string(text)
1687
 
        f = open('foo', 'rb')
 
1617
        f = open('foo')
1688
1618
        self.addCleanup(f.close)
1689
1619
        size, sha = osutils.size_sha_file(f)
1690
1620
        self.assertEqual(38, size)
1723
1653
 
1724
1654
class TestReCompile(tests.TestCase):
1725
1655
 
1726
 
    def _deprecated_re_compile_checked(self, *args, **kwargs):
1727
 
        return self.applyDeprecated(symbol_versioning.deprecated_in((2, 2, 0)),
1728
 
            osutils.re_compile_checked, *args, **kwargs)
1729
 
 
1730
1656
    def test_re_compile_checked(self):
1731
 
        r = self._deprecated_re_compile_checked(r'A*', re.IGNORECASE)
 
1657
        r = osutils.re_compile_checked(r'A*', re.IGNORECASE)
1732
1658
        self.assertTrue(r.match('aaaa'))
1733
1659
        self.assertTrue(r.match('aAaA'))
1734
1660
 
1735
1661
    def test_re_compile_checked_error(self):
1736
1662
        # like https://bugs.launchpad.net/bzr/+bug/251352
1737
 
 
1738
 
        # Due to possible test isolation error, re.compile is not lazy at
1739
 
        # this point. We re-install lazy compile.
1740
 
        lazy_regex.install_lazy_compile()
1741
1663
        err = self.assertRaises(
1742
1664
            errors.BzrCommandError,
1743
 
            self._deprecated_re_compile_checked, '*', re.IGNORECASE, 'test case')
 
1665
            osutils.re_compile_checked, '*', re.IGNORECASE, 'test case')
1744
1666
        self.assertEqual(
1745
 
            'Invalid regular expression in test case: '
1746
 
            '"*" nothing to repeat',
 
1667
            "Invalid regular expression in test case: '*': "
 
1668
            "nothing to repeat",
1747
1669
            str(err))
1748
1670
 
1749
1671
 
1750
1672
class TestDirReader(tests.TestCaseInTempDir):
1751
1673
 
1752
 
    scenarios = dir_reader_scenarios()
1753
 
 
1754
1674
    # Set by load_tests
1755
1675
    _dir_reader_class = None
1756
1676
    _native_to_unicode = None
1757
1677
 
1758
1678
    def setUp(self):
1759
1679
        tests.TestCaseInTempDir.setUp(self)
1760
 
        self.overrideAttr(osutils,
1761
 
                          '_selected_dir_reader', self._dir_reader_class())
 
1680
 
 
1681
        # Save platform specific info and reset it
 
1682
        cur_dir_reader = osutils._selected_dir_reader
 
1683
 
 
1684
        def restore():
 
1685
            osutils._selected_dir_reader = cur_dir_reader
 
1686
        self.addCleanup(restore)
 
1687
 
 
1688
        osutils._selected_dir_reader = self._dir_reader_class()
1762
1689
 
1763
1690
    def _get_ascii_tree(self):
1764
1691
        tree = [
1897
1824
        os.symlink(self.target, self.link)
1898
1825
 
1899
1826
    def test_os_readlink_link_encoding(self):
1900
 
        self.assertEquals(self.target,  os.readlink(self.link))
 
1827
        if sys.version_info < (2, 6):
 
1828
            self.assertRaises(UnicodeEncodeError, os.readlink, self.link)
 
1829
        else:
 
1830
            self.assertEquals(self.target,  os.readlink(self.link))
1901
1831
 
1902
1832
    def test_os_readlink_link_decoding(self):
1903
1833
        self.assertEquals(self.target.encode(osutils._fs_enc),
1906
1836
 
1907
1837
class TestConcurrency(tests.TestCase):
1908
1838
 
1909
 
    def setUp(self):
1910
 
        super(TestConcurrency, self).setUp()
1911
 
        self.overrideAttr(osutils, '_cached_local_concurrency')
1912
 
 
1913
1839
    def test_local_concurrency(self):
1914
1840
        concurrency = osutils.local_concurrency()
1915
1841
        self.assertIsInstance(concurrency, int)
1916
1842
 
1917
 
    def test_local_concurrency_environment_variable(self):
1918
 
        self.overrideEnv('BZR_CONCURRENCY', '2')
1919
 
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
1920
 
        self.overrideEnv('BZR_CONCURRENCY', '3')
1921
 
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
1922
 
        self.overrideEnv('BZR_CONCURRENCY', 'foo')
1923
 
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
1924
 
 
1925
 
    def test_option_concurrency(self):
1926
 
        self.overrideEnv('BZR_CONCURRENCY', '1')
1927
 
        self.run_bzr('rocks --concurrency 42')
1928
 
        # Command line overrides environment variable
1929
 
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
1930
 
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
1931
 
 
1932
1843
 
1933
1844
class TestFailedToLoadExtension(tests.TestCase):
1934
1845
 
1941
1852
 
1942
1853
    def setUp(self):
1943
1854
        super(TestFailedToLoadExtension, self).setUp()
1944
 
        self.overrideAttr(osutils, '_extension_load_failures', [])
 
1855
        self.saved_failures = osutils._extension_load_failures[:]
 
1856
        del osutils._extension_load_failures[:]
 
1857
        self.addCleanup(self.restore_failures)
 
1858
 
 
1859
    def restore_failures(self):
 
1860
        osutils._extension_load_failures = self.saved_failures
1945
1861
 
1946
1862
    def test_failure_to_load(self):
1947
1863
        self._try_loading()
1969
1885
 
1970
1886
class TestTerminalWidth(tests.TestCase):
1971
1887
 
1972
 
    def setUp(self):
1973
 
        tests.TestCase.setUp(self)
1974
 
        self._orig_terminal_size_state = osutils._terminal_size_state
1975
 
        self._orig_first_terminal_size = osutils._first_terminal_size
1976
 
        self.addCleanup(self.restore_osutils_globals)
1977
 
        osutils._terminal_size_state = 'no_data'
1978
 
        osutils._first_terminal_size = None
1979
 
 
1980
 
    def restore_osutils_globals(self):
1981
 
        osutils._terminal_size_state = self._orig_terminal_size_state
1982
 
        osutils._first_terminal_size = self._orig_first_terminal_size
1983
 
 
1984
 
    def replace_stdout(self, new):
1985
 
        self.overrideAttr(sys, 'stdout', new)
1986
 
 
1987
 
    def replace__terminal_size(self, new):
1988
 
        self.overrideAttr(osutils, '_terminal_size', new)
1989
 
 
1990
 
    def set_fake_tty(self):
 
1888
    def test_default_values(self):
 
1889
        self.assertEquals(80, osutils.default_terminal_width)
 
1890
 
 
1891
    def test_defaults_to_COLUMNS(self):
 
1892
        # COLUMNS is set by the test framework
 
1893
        self.assertEquals('80', os.environ['COLUMNS'])
 
1894
        os.environ['COLUMNS'] = '12'
 
1895
        self.assertEquals(12, osutils.terminal_width())
 
1896
 
 
1897
    def test_tty_default_without_columns(self):
 
1898
        del os.environ['COLUMNS']
 
1899
        orig_stdout = sys.stdout
 
1900
        def restore():
 
1901
            sys.stdout = orig_stdout
 
1902
        self.addCleanup(restore)
1991
1903
 
1992
1904
        class I_am_a_tty(object):
1993
1905
            def isatty(self):
1994
1906
                return True
1995
1907
 
1996
 
        self.replace_stdout(I_am_a_tty())
1997
 
 
1998
 
    def test_default_values(self):
1999
 
        self.assertEqual(80, osutils.default_terminal_width)
2000
 
 
2001
 
    def test_defaults_to_BZR_COLUMNS(self):
2002
 
        # BZR_COLUMNS is set by the test framework
2003
 
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
2004
 
        self.overrideEnv('BZR_COLUMNS', '12')
2005
 
        self.assertEqual(12, osutils.terminal_width())
2006
 
 
2007
 
    def test_BZR_COLUMNS_0_no_limit(self):
2008
 
        self.overrideEnv('BZR_COLUMNS', '0')
2009
 
        self.assertEqual(None, osutils.terminal_width())
2010
 
 
2011
 
    def test_falls_back_to_COLUMNS(self):
2012
 
        self.overrideEnv('BZR_COLUMNS', None)
2013
 
        self.assertNotEqual('42', os.environ['COLUMNS'])
2014
 
        self.set_fake_tty()
2015
 
        self.overrideEnv('COLUMNS', '42')
2016
 
        self.assertEqual(42, osutils.terminal_width())
2017
 
 
2018
 
    def test_tty_default_without_columns(self):
2019
 
        self.overrideEnv('BZR_COLUMNS', None)
2020
 
        self.overrideEnv('COLUMNS', None)
2021
 
 
2022
 
        def terminal_size(w, h):
2023
 
            return 42, 42
2024
 
 
2025
 
        self.set_fake_tty()
2026
 
        # We need to override the osutils definition as it depends on the
2027
 
        # running environment that we can't control (PQM running without a
2028
 
        # controlling terminal is one example).
2029
 
        self.replace__terminal_size(terminal_size)
2030
 
        self.assertEqual(42, osutils.terminal_width())
 
1908
        sys.stdout = I_am_a_tty()
 
1909
        self.assertEquals(None, osutils.terminal_width())
2031
1910
 
2032
1911
    def test_non_tty_default_without_columns(self):
2033
 
        self.overrideEnv('BZR_COLUMNS', None)
2034
 
        self.overrideEnv('COLUMNS', None)
2035
 
        self.replace_stdout(None)
2036
 
        self.assertEqual(None, osutils.terminal_width())
 
1912
        del os.environ['COLUMNS']
 
1913
        orig_stdout = sys.stdout
 
1914
        def restore():
 
1915
            sys.stdout = orig_stdout
 
1916
        self.addCleanup(restore)
 
1917
        sys.stdout = None
 
1918
        self.assertEquals(None, osutils.terminal_width())
2037
1919
 
2038
 
    def test_no_TIOCGWINSZ(self):
2039
 
        self.requireFeature(term_ios_feature)
2040
 
        termios = term_ios_feature.module
 
1920
    def test_TIOCGWINSZ(self):
2041
1921
        # bug 63539 is about a termios without TIOCGWINSZ attribute
 
1922
        exist = True
2042
1923
        try:
2043
1924
            orig = termios.TIOCGWINSZ
2044
1925
        except AttributeError:
2045
 
            # We won't remove TIOCGWINSZ, because it doesn't exist anyway :)
2046
 
            pass
2047
 
        else:
2048
 
            self.overrideAttr(termios, 'TIOCGWINSZ')
2049
 
            del termios.TIOCGWINSZ
2050
 
        self.overrideEnv('BZR_COLUMNS', None)
2051
 
        self.overrideEnv('COLUMNS', None)
2052
 
        # Whatever the result is, if we don't raise an exception, it's ok.
2053
 
        osutils.terminal_width()
2054
 
 
2055
 
 
2056
 
class TestCreationOps(tests.TestCaseInTempDir):
2057
 
    _test_needs_features = [features.chown_feature]
2058
 
 
2059
 
    def setUp(self):
2060
 
        tests.TestCaseInTempDir.setUp(self)
2061
 
        self.overrideAttr(os, 'chown', self._dummy_chown)
2062
 
 
2063
 
        # params set by call to _dummy_chown
2064
 
        self.path = self.uid = self.gid = None
2065
 
 
2066
 
    def _dummy_chown(self, path, uid, gid):
2067
 
        self.path, self.uid, self.gid = path, uid, gid
2068
 
 
2069
 
    def test_copy_ownership_from_path(self):
2070
 
        """copy_ownership_from_path test with specified src."""
2071
 
        ownsrc = '/'
2072
 
        f = open('test_file', 'wt')
2073
 
        osutils.copy_ownership_from_path('test_file', ownsrc)
2074
 
 
2075
 
        s = os.stat(ownsrc)
2076
 
        self.assertEquals(self.path, 'test_file')
2077
 
        self.assertEquals(self.uid, s.st_uid)
2078
 
        self.assertEquals(self.gid, s.st_gid)
2079
 
 
2080
 
    def test_copy_ownership_nonesrc(self):
2081
 
        """copy_ownership_from_path test with src=None."""
2082
 
        f = open('test_file', 'wt')
2083
 
        # should use parent dir for permissions
2084
 
        osutils.copy_ownership_from_path('test_file')
2085
 
 
2086
 
        s = os.stat('..')
2087
 
        self.assertEquals(self.path, 'test_file')
2088
 
        self.assertEquals(self.uid, s.st_uid)
2089
 
        self.assertEquals(self.gid, s.st_gid)
2090
 
 
2091
 
 
2092
 
class TestGetuserUnicode(tests.TestCase):
2093
 
 
2094
 
    def test_ascii_user(self):
2095
 
        self.overrideEnv('LOGNAME', 'jrandom')
2096
 
        self.assertEqual(u'jrandom', osutils.getuser_unicode())
2097
 
 
2098
 
    def test_unicode_user(self):
2099
 
        ue = osutils.get_user_encoding()
2100
 
        uni_val, env_val = tests.probe_unicode_in_user_encoding()
2101
 
        if uni_val is None:
2102
 
            raise tests.TestSkipped(
2103
 
                'Cannot find a unicode character that works in encoding %s'
2104
 
                % (osutils.get_user_encoding(),))
2105
 
        uni_username = u'jrandom' + uni_val
2106
 
        encoded_username = uni_username.encode(ue)
2107
 
        self.overrideEnv('LOGNAME', encoded_username)
2108
 
        self.assertEqual(uni_username, osutils.getuser_unicode())
2109
 
        self.overrideEnv('LOGNAME', u'jrandom\xb6'.encode(ue))
2110
 
        self.assertEqual(u'jrandom\xb6', osutils.getuser_unicode())
2111
 
 
2112
 
    def test_no_username_bug_660174(self):
2113
 
        self.requireFeature(features.win32_feature)
2114
 
        for name in ('LOGNAME', 'USER', 'LNAME', 'USERNAME'):
2115
 
            self.overrideEnv(name, None)
2116
 
        self.assertEqual(u'UNKNOWN', osutils.getuser_unicode())
2117
 
 
2118
 
 
2119
 
class TestBackupNames(tests.TestCase):
2120
 
 
2121
 
    def setUp(self):
2122
 
        super(TestBackupNames, self).setUp()
2123
 
        self.backups = []
2124
 
 
2125
 
    def backup_exists(self, name):
2126
 
        return name in self.backups
2127
 
 
2128
 
    def available_backup_name(self, name):
2129
 
        backup_name = osutils.available_backup_name(name, self.backup_exists)
2130
 
        self.backups.append(backup_name)
2131
 
        return backup_name
2132
 
 
2133
 
    def assertBackupName(self, expected, name):
2134
 
        self.assertEqual(expected, self.available_backup_name(name))
2135
 
 
2136
 
    def test_empty(self):
2137
 
        self.assertBackupName('file.~1~', 'file')
2138
 
 
2139
 
    def test_existing(self):
2140
 
        self.available_backup_name('file')
2141
 
        self.available_backup_name('file')
2142
 
        self.assertBackupName('file.~3~', 'file')
2143
 
        # Empty slots are found, this is not a strict requirement and may be
2144
 
        # revisited if we test against all implementations.
2145
 
        self.backups.remove('file.~2~')
2146
 
        self.assertBackupName('file.~2~', 'file')
2147
 
 
2148
 
 
2149
 
class TestFindExecutableInPath(tests.TestCase):
2150
 
 
2151
 
    def test_windows(self):
2152
 
        if sys.platform != 'win32':
2153
 
            raise tests.TestSkipped('test requires win32')
2154
 
        self.assertTrue(osutils.find_executable_on_path('explorer') is not None)
2155
 
        self.assertTrue(
2156
 
            osutils.find_executable_on_path('explorer.exe') is not None)
2157
 
        self.assertTrue(
2158
 
            osutils.find_executable_on_path('EXPLORER.EXE') is not None)
2159
 
        self.assertTrue(
2160
 
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
2161
 
        self.assertTrue(osutils.find_executable_on_path('file.txt') is None)
2162
 
 
2163
 
    def test_other(self):
2164
 
        if sys.platform == 'win32':
2165
 
            raise tests.TestSkipped('test requires non-win32')
2166
 
        self.assertTrue(osutils.find_executable_on_path('sh') is not None)
2167
 
        self.assertTrue(
2168
 
            osutils.find_executable_on_path('THIS SHOULD NOT EXIST') is None)
 
1926
            exist = False
 
1927
 
 
1928
        def restore():
 
1929
            if exist:
 
1930
                termios.TIOCGWINSZ = orig
 
1931
        self.addCleanup(restore)
 
1932
 
 
1933
        del termios.TIOCGWINSZ
 
1934
        del os.environ['COLUMNS']
 
1935
        self.assertEquals(None, osutils.terminal_width())