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Viewing changes to bzrlib/tests/test_osutils.py

  • Committer: Vincent Ladeuil
  • Date: 2010-02-11 09:27:55 UTC
  • mfrom: (5017.3.46 test-servers)
  • mto: This revision was merged to the branch mainline in revision 5030.
  • Revision ID: v.ladeuil+lp@free.fr-20100211092755-3vvu4vbwiwjjte3s
Move tests servers from bzrlib.transport to bzrlib.tests.test_server

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Lines of Context:
bzrlib/tests/test_osutils.py
29
29
    errors,
30
30
    osutils,
31
31
    tests,
 
32
    trace,
32
33
    win32utils,
33
34
    )
34
35
from bzrlib.tests import (
52
53
 
53
54
UTF8DirReaderFeature = _UTF8DirReaderFeature()
54
55
 
 
56
term_ios_feature = tests.ModuleAvailableFeature('termios')
 
57
 
55
58
 
56
59
def _already_unicode(s):
57
60
    return s
58
61
 
59
62
 
60
 
def _fs_enc_to_unicode(s):
61
 
    return s.decode(osutils._fs_enc)
62
 
 
63
 
 
64
63
def _utf8_to_unicode(s):
65
64
    return s.decode('UTF-8')
66
65
 
83
82
                          dict(_dir_reader_class=_readdir_pyx.UTF8DirReader,
84
83
                               _native_to_unicode=_utf8_to_unicode)))
85
84
 
86
 
    if test__walkdirs_win32.Win32ReadDirFeature.available():
 
85
    if test__walkdirs_win32.win32_readdir_feature.available():
87
86
        try:
88
87
            from bzrlib import _walkdirs_win32
89
 
            # TODO: check on windows, it may be that we need to use/add
90
 
            # safe_unicode instead of _fs_enc_to_unicode
91
88
            scenarios.append(
92
89
                ('win32',
93
90
                 dict(_dir_reader_class=_walkdirs_win32.Win32ReadDir,
94
 
                      _native_to_unicode=_fs_enc_to_unicode)))
 
91
                      _native_to_unicode=_already_unicode)))
95
92
        except ImportError:
96
93
            pass
97
94
    return scenarios
125
122
 
126
123
class TestRename(tests.TestCaseInTempDir):
127
124
 
 
125
    def create_file(self, filename, content):
 
126
        f = open(filename, 'wb')
 
127
        try:
 
128
            f.write(content)
 
129
        finally:
 
130
            f.close()
 
131
 
 
132
    def _fancy_rename(self, a, b):
 
133
        osutils.fancy_rename(a, b, rename_func=os.rename,
 
134
                             unlink_func=os.unlink)
 
135
 
128
136
    def test_fancy_rename(self):
129
137
        # This should work everywhere
130
 
        def rename(a, b):
131
 
            osutils.fancy_rename(a, b,
132
 
                    rename_func=os.rename,
133
 
                    unlink_func=os.unlink)
134
 
 
135
 
        open('a', 'wb').write('something in a\n')
136
 
        rename('a', 'b')
 
138
        self.create_file('a', 'something in a\n')
 
139
        self._fancy_rename('a', 'b')
137
140
        self.failIfExists('a')
138
141
        self.failUnlessExists('b')
139
142
        self.check_file_contents('b', 'something in a\n')
140
143
 
141
 
        open('a', 'wb').write('new something in a\n')
142
 
        rename('b', 'a')
 
144
        self.create_file('a', 'new something in a\n')
 
145
        self._fancy_rename('b', 'a')
143
146
 
144
147
        self.check_file_contents('a', 'something in a\n')
145
148
 
 
149
    def test_fancy_rename_fails_source_missing(self):
 
150
        # An exception should be raised, and the target should be left in place
 
151
        self.create_file('target', 'data in target\n')
 
152
        self.assertRaises((IOError, OSError), self._fancy_rename,
 
153
                          'missingsource', 'target')
 
154
        self.failUnlessExists('target')
 
155
        self.check_file_contents('target', 'data in target\n')
 
156
 
 
157
    def test_fancy_rename_fails_if_source_and_target_missing(self):
 
158
        self.assertRaises((IOError, OSError), self._fancy_rename,
 
159
                          'missingsource', 'missingtarget')
 
160
 
146
161
    def test_rename(self):
147
162
        # Rename should be semi-atomic on all platforms
148
 
        open('a', 'wb').write('something in a\n')
 
163
        self.create_file('a', 'something in a\n')
149
164
        osutils.rename('a', 'b')
150
165
        self.failIfExists('a')
151
166
        self.failUnlessExists('b')
152
167
        self.check_file_contents('b', 'something in a\n')
153
168
 
154
 
        open('a', 'wb').write('new something in a\n')
 
169
        self.create_file('a', 'new something in a\n')
155
170
        osutils.rename('b', 'a')
156
171
 
157
172
        self.check_file_contents('a', 'something in a\n')
365
380
        # Instead blackbox.test_locale should check for localized
366
381
        # dates once they do occur in output strings.
367
382
 
 
383
    def test_format_date_with_offset_in_original_timezone(self):
 
384
        self.assertEqual("Thu 1970-01-01 00:00:00 +0000",
 
385
            osutils.format_date_with_offset_in_original_timezone(0))
 
386
        self.assertEqual("Fri 1970-01-02 03:46:40 +0000",
 
387
            osutils.format_date_with_offset_in_original_timezone(100000))
 
388
        self.assertEqual("Fri 1970-01-02 05:46:40 +0200",
 
389
            osutils.format_date_with_offset_in_original_timezone(100000, 7200))
 
390
 
368
391
    def test_local_time_offset(self):
369
392
        """Test that local_time_offset() returns a sane value."""
370
393
        offset = osutils.local_time_offset()
446
469
    def test_canonical_relpath_simple(self):
447
470
        f = file('MixedCaseName', 'w')
448
471
        f.close()
449
 
        # Watch out for tricky test dir (on OSX /tmp -> /private/tmp)
450
 
        real_base_dir = osutils.realpath(self.test_base_dir)
451
 
        actual = osutils.canonical_relpath(real_base_dir, 'mixedcasename')
 
472
        actual = osutils.canonical_relpath(self.test_base_dir, 'mixedcasename')
452
473
        self.failUnlessEqual('work/MixedCaseName', actual)
453
474
 
454
475
    def test_canonical_relpath_missing_tail(self):
455
476
        os.mkdir('MixedCaseParent')
456
 
        # Watch out for tricky test dir (on OSX /tmp -> /private/tmp)
457
 
        real_base_dir = osutils.realpath(self.test_base_dir)
458
 
        actual = osutils.canonical_relpath(real_base_dir,
 
477
        actual = osutils.canonical_relpath(self.test_base_dir,
459
478
                                           'mixedcaseparent/nochild')
460
479
        self.failUnlessEqual('work/MixedCaseParent/nochild', actual)
461
480
 
462
481
 
 
482
class Test_CICPCanonicalRelpath(tests.TestCaseWithTransport):
 
483
 
 
484
    def assertRelpath(self, expected, base, path):
 
485
        actual = osutils._cicp_canonical_relpath(base, path)
 
486
        self.assertEqual(expected, actual)
 
487
 
 
488
    def test_simple(self):
 
489
        self.build_tree(['MixedCaseName'])
 
490
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
 
491
        self.assertRelpath('MixedCaseName', base, 'mixedcAsename')
 
492
 
 
493
    def test_subdir_missing_tail(self):
 
494
        self.build_tree(['MixedCaseParent/', 'MixedCaseParent/a_child'])
 
495
        base = osutils.realpath(self.get_transport('.').local_abspath('.'))
 
496
        self.assertRelpath('MixedCaseParent/a_child', base,
 
497
                           'MixedCaseParent/a_child')
 
498
        self.assertRelpath('MixedCaseParent/a_child', base,
 
499
                           'MixedCaseParent/A_Child')
 
500
        self.assertRelpath('MixedCaseParent/not_child', base,
 
501
                           'MixedCaseParent/not_child')
 
502
 
 
503
    def test_at_root_slash(self):
 
504
        # We can't test this on Windows, because it has a 'MIN_ABS_PATHLENGTH'
 
505
        # check...
 
506
        if osutils.MIN_ABS_PATHLENGTH > 1:
 
507
            raise tests.TestSkipped('relpath requires %d chars'
 
508
                                    % osutils.MIN_ABS_PATHLENGTH)
 
509
        self.assertRelpath('foo', '/', '/foo')
 
510
 
 
511
    def test_at_root_drive(self):
 
512
        if sys.platform != 'win32':
 
513
            raise tests.TestNotApplicable('we can only test drive-letter relative'
 
514
                                          ' paths on Windows where we have drive'
 
515
                                          ' letters.')
 
516
        # see bug #322807
 
517
        # The specific issue is that when at the root of a drive, 'abspath'
 
518
        # returns "C:/" or just "/". However, the code assumes that abspath
 
519
        # always returns something like "C:/foo" or "/foo" (no trailing slash).
 
520
        self.assertRelpath('foo', 'C:/', 'C:/foo')
 
521
        self.assertRelpath('foo', 'X:/', 'X:/foo')
 
522
        self.assertRelpath('foo', 'X:/', 'X://foo')
 
523
 
 
524
 
463
525
class TestPumpFile(tests.TestCase):
464
526
    """Test pumpfile method."""
465
527
 
927
989
 
928
990
    def test_osutils_binding(self):
929
991
        from bzrlib.tests import test__chunks_to_lines
930
 
        if test__chunks_to_lines.CompiledChunksToLinesFeature.available():
 
992
        if test__chunks_to_lines.compiled_chunkstolines_feature.available():
931
993
            from bzrlib._chunks_to_lines_pyx import chunks_to_lines
932
994
        else:
933
995
            from bzrlib._chunks_to_lines_py import chunks_to_lines
1073
1135
            dirblock[:] = new_dirblock
1074
1136
 
1075
1137
    def _save_platform_info(self):
1076
 
        cur_winver = win32utils.winver
1077
 
        cur_fs_enc = osutils._fs_enc
1078
 
        cur_dir_reader = osutils._selected_dir_reader
1079
 
        def restore():
1080
 
            win32utils.winver = cur_winver
1081
 
            osutils._fs_enc = cur_fs_enc
1082
 
            osutils._selected_dir_reader = cur_dir_reader
1083
 
        self.addCleanup(restore)
 
1138
        self.overrideAttr(win32utils, 'winver')
 
1139
        self.overrideAttr(osutils, '_fs_enc')
 
1140
        self.overrideAttr(osutils, '_selected_dir_reader')
1084
1141
 
1085
1142
    def assertDirReaderIs(self, expected):
1086
1143
        """Assert the right implementation for _walkdirs_utf8 is chosen."""
1119
1176
 
1120
1177
    def test_force_walkdirs_utf8_nt(self):
1121
1178
        # Disabled because the thunk of the whole walkdirs api is disabled.
1122
 
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
 
1179
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1123
1180
        self._save_platform_info()
1124
1181
        win32utils.winver = 'Windows NT'
1125
1182
        from bzrlib._walkdirs_win32 import Win32ReadDir
1126
1183
        self.assertDirReaderIs(Win32ReadDir)
1127
1184
 
1128
1185
    def test_force_walkdirs_utf8_98(self):
1129
 
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
 
1186
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1130
1187
        self._save_platform_info()
1131
1188
        win32utils.winver = 'Windows 98'
1132
1189
        self.assertDirReaderIs(osutils.UnicodeDirReader)
1283
1340
        self.assertEqual(expected_dirblocks, result)
1284
1341
 
1285
1342
    def test__walkdirs_utf8_win32readdir(self):
1286
 
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
 
1343
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1287
1344
        self.requireFeature(tests.UnicodeFilenameFeature)
1288
1345
        from bzrlib._walkdirs_win32 import Win32ReadDir
1289
1346
        self._save_platform_info()
1340
1397
 
1341
1398
    def test__walkdirs_utf_win32_find_file_stat_file(self):
1342
1399
        """make sure our Stat values are valid"""
1343
 
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
 
1400
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1344
1401
        self.requireFeature(tests.UnicodeFilenameFeature)
1345
1402
        from bzrlib._walkdirs_win32 import Win32ReadDir
1346
1403
        name0u = u'0file-\xb6'
1364
1421
 
1365
1422
    def test__walkdirs_utf_win32_find_file_stat_directory(self):
1366
1423
        """make sure our Stat values are valid"""
1367
 
        self.requireFeature(test__walkdirs_win32.Win32ReadDirFeature)
 
1424
        self.requireFeature(test__walkdirs_win32.win32_readdir_feature)
1368
1425
        self.requireFeature(tests.UnicodeFilenameFeature)
1369
1426
        from bzrlib._walkdirs_win32 import Win32ReadDir
1370
1427
        name0u = u'0dir-\u062c\u0648'
1519
1576
        def cleanup():
1520
1577
            if 'BZR_TEST_ENV_VAR' in os.environ:
1521
1578
                del os.environ['BZR_TEST_ENV_VAR']
1522
 
 
1523
1579
        self.addCleanup(cleanup)
1524
1580
 
1525
1581
    def test_set(self):
1573
1629
        text = 'test\r\nwith\nall\rpossible line endings\r\n'
1574
1630
        self.build_tree_contents([('foo', text)])
1575
1631
        expected_sha = osutils.sha_string(text)
1576
 
        f = open('foo')
 
1632
        f = open('foo', 'rb')
1577
1633
        self.addCleanup(f.close)
1578
1634
        size, sha = osutils.size_sha_file(f)
1579
1635
        self.assertEqual(38, size)
1636
1692
 
1637
1693
    def setUp(self):
1638
1694
        tests.TestCaseInTempDir.setUp(self)
1639
 
 
1640
 
        # Save platform specific info and reset it
1641
 
        cur_dir_reader = osutils._selected_dir_reader
1642
 
 
1643
 
        def restore():
1644
 
            osutils._selected_dir_reader = cur_dir_reader
1645
 
        self.addCleanup(restore)
1646
 
 
1647
 
        osutils._selected_dir_reader = self._dir_reader_class()
 
1695
        self.overrideAttr(osutils,
 
1696
                          '_selected_dir_reader', self._dir_reader_class())
1648
1697
 
1649
1698
    def _get_ascii_tree(self):
1650
1699
        tree = [
1795
1844
 
1796
1845
class TestConcurrency(tests.TestCase):
1797
1846
 
 
1847
    def setUp(self):
 
1848
        super(TestConcurrency, self).setUp()
 
1849
        self.overrideAttr(osutils, '_cached_local_concurrency')
 
1850
 
1798
1851
    def test_local_concurrency(self):
1799
1852
        concurrency = osutils.local_concurrency()
1800
1853
        self.assertIsInstance(concurrency, int)
 
1854
 
 
1855
    def test_local_concurrency_environment_variable(self):
 
1856
        os.environ['BZR_CONCURRENCY'] = '2'
 
1857
        self.assertEqual(2, osutils.local_concurrency(use_cache=False))
 
1858
        os.environ['BZR_CONCURRENCY'] = '3'
 
1859
        self.assertEqual(3, osutils.local_concurrency(use_cache=False))
 
1860
        os.environ['BZR_CONCURRENCY'] = 'foo'
 
1861
        self.assertEqual(1, osutils.local_concurrency(use_cache=False))
 
1862
 
 
1863
    def test_option_concurrency(self):
 
1864
        os.environ['BZR_CONCURRENCY'] = '1'
 
1865
        self.run_bzr('rocks --concurrency 42')
 
1866
        # Command line overrides envrionment variable
 
1867
        self.assertEquals('42', os.environ['BZR_CONCURRENCY'])
 
1868
        self.assertEquals(42, osutils.local_concurrency(use_cache=False))
 
1869
 
 
1870
 
 
1871
class TestFailedToLoadExtension(tests.TestCase):
 
1872
 
 
1873
    def _try_loading(self):
 
1874
        try:
 
1875
            import bzrlib._fictional_extension_py
 
1876
        except ImportError, e:
 
1877
            osutils.failed_to_load_extension(e)
 
1878
            return True
 
1879
 
 
1880
    def setUp(self):
 
1881
        super(TestFailedToLoadExtension, self).setUp()
 
1882
        self.overrideAttr(osutils, '_extension_load_failures', [])
 
1883
 
 
1884
    def test_failure_to_load(self):
 
1885
        self._try_loading()
 
1886
        self.assertLength(1, osutils._extension_load_failures)
 
1887
        self.assertEquals(osutils._extension_load_failures[0],
 
1888
            "No module named _fictional_extension_py")
 
1889
 
 
1890
    def test_report_extension_load_failures_no_warning(self):
 
1891
        self.assertTrue(self._try_loading())
 
1892
        warnings, result = self.callCatchWarnings(osutils.report_extension_load_failures)
 
1893
        # it used to give a Python warning; it no longer does
 
1894
        self.assertLength(0, warnings)
 
1895
 
 
1896
    def test_report_extension_load_failures_message(self):
 
1897
        log = StringIO()
 
1898
        trace.push_log_file(log)
 
1899
        self.assertTrue(self._try_loading())
 
1900
        osutils.report_extension_load_failures()
 
1901
        self.assertContainsRe(
 
1902
            log.getvalue(),
 
1903
            r"bzr: warning: some compiled extensions could not be loaded; "
 
1904
            "see <https://answers\.launchpad\.net/bzr/\+faq/703>\n"
 
1905
            )
 
1906
 
 
1907
 
 
1908
class TestTerminalWidth(tests.TestCase):
 
1909
 
 
1910
    def replace_stdout(self, new):
 
1911
        self.overrideAttr(sys, 'stdout', new)
 
1912
 
 
1913
    def replace__terminal_size(self, new):
 
1914
        self.overrideAttr(osutils, '_terminal_size', new)
 
1915
 
 
1916
    def set_fake_tty(self):
 
1917
 
 
1918
        class I_am_a_tty(object):
 
1919
            def isatty(self):
 
1920
                return True
 
1921
 
 
1922
        self.replace_stdout(I_am_a_tty())
 
1923
 
 
1924
    def test_default_values(self):
 
1925
        self.assertEqual(80, osutils.default_terminal_width)
 
1926
 
 
1927
    def test_defaults_to_BZR_COLUMNS(self):
 
1928
        # BZR_COLUMNS is set by the test framework
 
1929
        self.assertNotEqual('12', os.environ['BZR_COLUMNS'])
 
1930
        os.environ['BZR_COLUMNS'] = '12'
 
1931
        self.assertEqual(12, osutils.terminal_width())
 
1932
 
 
1933
    def test_falls_back_to_COLUMNS(self):
 
1934
        del os.environ['BZR_COLUMNS']
 
1935
        self.assertNotEqual('42', os.environ['COLUMNS'])
 
1936
        self.set_fake_tty()
 
1937
        os.environ['COLUMNS'] = '42'
 
1938
        self.assertEqual(42, osutils.terminal_width())
 
1939
 
 
1940
    def test_tty_default_without_columns(self):
 
1941
        del os.environ['BZR_COLUMNS']
 
1942
        del os.environ['COLUMNS']
 
1943
 
 
1944
        def terminal_size(w, h):
 
1945
            return 42, 42
 
1946
 
 
1947
        self.set_fake_tty()
 
1948
        # We need to override the osutils definition as it depends on the
 
1949
        # running environment that we can't control (PQM running without a
 
1950
        # controlling terminal is one example).
 
1951
        self.replace__terminal_size(terminal_size)
 
1952
        self.assertEqual(42, osutils.terminal_width())
 
1953
 
 
1954
    def test_non_tty_default_without_columns(self):
 
1955
        del os.environ['BZR_COLUMNS']
 
1956
        del os.environ['COLUMNS']
 
1957
        self.replace_stdout(None)
 
1958
        self.assertEqual(None, osutils.terminal_width())
 
1959
 
 
1960
    def test_no_TIOCGWINSZ(self):
 
1961
        self.requireFeature(term_ios_feature)
 
1962
        termios = term_ios_feature.module
 
1963
        # bug 63539 is about a termios without TIOCGWINSZ attribute
 
1964
        try:
 
1965
            orig = termios.TIOCGWINSZ
 
1966
        except AttributeError:
 
1967
            # We won't remove TIOCGWINSZ, because it doesn't exist anyway :)
 
1968
            pass
 
1969
        else:
 
1970
            self.overrideAttr(termios, 'TIOCGWINSZ')
 
1971
            del termios.TIOCGWINSZ
 
1972
        del os.environ['BZR_COLUMNS']
 
1973
        del os.environ['COLUMNS']
 
1974
        # Whatever the result is, if we don't raise an exception, it's ok.
 
1975
        osutils.terminal_width()