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Viewing changes to bzrlib/tests/test__dirstate_helpers.py

  • Committer: Daniel Watkins
  • Date: 2009-02-08 14:26:35 UTC
  • mto: (3989.1.1 bzr.ab.integration)
  • mto: This revision was merged to the branch mainline in revision 3990.
  • Revision ID: daniel@daniel-watkins.co.uk-20090208142635-zyzycxxz7i6p3dih
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# Copyright (C) 2007, 2008, 2009 Canonical Ltd
 
1
# Copyright (C) 2007, 2008 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
"""Tests for the compiled dirstate helpers."""
18
18
 
23
23
from bzrlib import (
24
24
    dirstate,
25
25
    errors,
26
 
    osutils,
27
26
    tests,
28
27
    )
29
28
from bzrlib.tests import (
30
 
    test_dirstate,
31
 
    test_osutils,
32
 
    )
33
 
 
34
 
try:
35
 
    from bzrlib import _dirstate_helpers_pyx
36
 
    has_dirstate_helpers_pyx = True
37
 
except ImportError:
38
 
    has_dirstate_helpers_pyx = False
39
 
 
40
 
 
41
 
compiled_dirstate_helpers_feature = tests.ModuleAvailableFeature(
42
 
                                'bzrlib._dirstate_helpers_pyx')
43
 
 
44
 
 
45
 
def load_tests(basic_tests, module, loader):
46
 
    # FIXME: we should also parametrize against SHA1Provider !
47
 
    suite = loader.suiteClass()
48
 
    remaining_tests = basic_tests
49
 
 
50
 
    dir_reader_scenarios = test_osutils.dir_reader_scenarios()
51
 
 
52
 
    ue_scenarios = [('dirstate_Python',
53
 
                     {'update_entry': dirstate.py_update_entry})]
54
 
    if compiled_dirstate_helpers_feature.available():
55
 
        update_entry = compiled_dirstate_helpers_feature.module.update_entry
56
 
        pyrex_scenario = ('dirstate_Pyrex', {'update_entry': update_entry})
57
 
        ue_scenarios.append(pyrex_scenario)
58
 
    process_entry_tests, remaining_tests = tests.split_suite_by_condition(
59
 
        remaining_tests, tests.condition_isinstance(TestUpdateEntry))
60
 
    tests.multiply_tests(process_entry_tests,
61
 
                         tests.multiply_scenarios(dir_reader_scenarios,
62
 
                                                  ue_scenarios),
63
 
                         suite)
64
 
 
65
 
    pe_scenarios = [('dirstate_Python',
66
 
                     {'_process_entry': dirstate.ProcessEntryPython})]
67
 
    if compiled_dirstate_helpers_feature.available():
68
 
        process_entry = compiled_dirstate_helpers_feature.module.ProcessEntryC
69
 
        pyrex_scenario = ('dirstate_Pyrex', {'_process_entry': process_entry})
70
 
        pe_scenarios.append(pyrex_scenario)
71
 
    process_entry_tests, remaining_tests = tests.split_suite_by_condition(
72
 
        remaining_tests, tests.condition_isinstance(TestProcessEntry))
73
 
    tests.multiply_tests(process_entry_tests,
74
 
                         tests.multiply_scenarios(dir_reader_scenarios,
75
 
                                                  pe_scenarios),
76
 
                         suite)
77
 
 
78
 
    dir_reader_tests, remaining_tests = tests.split_suite_by_condition(
79
 
        remaining_tests, tests.condition_isinstance(
80
 
            test_dirstate.TestCaseWithDirState))
81
 
    tests.multiply_tests(dir_reader_tests, dir_reader_scenarios, suite)
82
 
    suite.addTest(remaining_tests)
83
 
 
84
 
    return suite
 
29
        SymlinkFeature,
 
30
        )
 
31
from bzrlib.tests import test_dirstate
 
32
 
 
33
 
 
34
class _CompiledDirstateHelpersFeature(tests.Feature):
 
35
    def _probe(self):
 
36
        try:
 
37
            import bzrlib._dirstate_helpers_c
 
38
        except ImportError:
 
39
            return False
 
40
        return True
 
41
 
 
42
    def feature_name(self):
 
43
        return 'bzrlib._dirstate_helpers_c'
 
44
 
 
45
CompiledDirstateHelpersFeature = _CompiledDirstateHelpersFeature()
85
46
 
86
47
 
87
48
class TestBisectPathMixin(object):
240
201
 
241
202
 
242
203
class TestBisectPathLeft(tests.TestCase, TestBisectPathMixin):
243
 
    """Run all Bisect Path tests against _bisect_path_left."""
 
204
    """Run all Bisect Path tests against _bisect_path_left_py."""
244
205
 
245
206
    def get_bisect_path(self):
246
 
        from bzrlib._dirstate_helpers_py import _bisect_path_left
247
 
        return _bisect_path_left
 
207
        from bzrlib._dirstate_helpers_py import _bisect_path_left_py
 
208
        return _bisect_path_left_py
248
209
 
249
210
    def get_bisect(self):
250
211
        return bisect.bisect_left, 0
251
212
 
252
213
 
253
214
class TestCompiledBisectPathLeft(TestBisectPathLeft):
254
 
    """Run all Bisect Path tests against _bisect_path_lect"""
 
215
    """Run all Bisect Path tests against _bisect_path_right_c"""
255
216
 
256
 
    _test_needs_features = [compiled_dirstate_helpers_feature]
 
217
    _test_needs_features = [CompiledDirstateHelpersFeature]
257
218
 
258
219
    def get_bisect_path(self):
259
 
        from bzrlib._dirstate_helpers_pyx import _bisect_path_left
260
 
        return _bisect_path_left
 
220
        from bzrlib._dirstate_helpers_c import _bisect_path_left_c
 
221
        return _bisect_path_left_c
261
222
 
262
223
 
263
224
class TestBisectPathRight(tests.TestCase, TestBisectPathMixin):
264
 
    """Run all Bisect Path tests against _bisect_path_right"""
 
225
    """Run all Bisect Path tests against _bisect_path_right_py"""
265
226
 
266
227
    def get_bisect_path(self):
267
 
        from bzrlib._dirstate_helpers_py import _bisect_path_right
268
 
        return _bisect_path_right
 
228
        from bzrlib._dirstate_helpers_py import _bisect_path_right_py
 
229
        return _bisect_path_right_py
269
230
 
270
231
    def get_bisect(self):
271
232
        return bisect.bisect_right, -1
272
233
 
273
234
 
274
235
class TestCompiledBisectPathRight(TestBisectPathRight):
275
 
    """Run all Bisect Path tests against _bisect_path_right"""
 
236
    """Run all Bisect Path tests against _bisect_path_right_c"""
276
237
 
277
 
    _test_needs_features = [compiled_dirstate_helpers_feature]
 
238
    _test_needs_features = [CompiledDirstateHelpersFeature]
278
239
 
279
240
    def get_bisect_path(self):
280
 
        from bzrlib._dirstate_helpers_pyx import _bisect_path_right
281
 
        return _bisect_path_right
 
241
        from bzrlib._dirstate_helpers_c import _bisect_path_right_c
 
242
        return _bisect_path_right_c
282
243
 
283
244
 
284
245
class TestBisectDirblock(tests.TestCase):
295
256
 
296
257
    def get_bisect_dirblock(self):
297
258
        """Return an implementation of bisect_dirblock"""
298
 
        from bzrlib._dirstate_helpers_py import bisect_dirblock
299
 
        return bisect_dirblock
 
259
        from bzrlib._dirstate_helpers_py import bisect_dirblock_py
 
260
        return bisect_dirblock_py
300
261
 
301
262
    def assertBisect(self, dirblocks, split_dirblocks, path, *args, **kwargs):
302
263
        """Assert that bisect_split works like bisect_left on the split paths.
386
347
    compiled version.
387
348
    """
388
349
 
389
 
    _test_needs_features = [compiled_dirstate_helpers_feature]
 
350
    _test_needs_features = [CompiledDirstateHelpersFeature]
390
351
 
391
352
    def get_bisect_dirblock(self):
392
 
        from bzrlib._dirstate_helpers_pyx import bisect_dirblock
393
 
        return bisect_dirblock
 
353
        from bzrlib._dirstate_helpers_c import bisect_dirblock_c
 
354
        return bisect_dirblock_c
394
355
 
395
356
 
396
357
class TestCmpByDirs(tests.TestCase):
405
366
 
406
367
    def get_cmp_by_dirs(self):
407
368
        """Get a specific implementation of cmp_by_dirs."""
408
 
        from bzrlib._dirstate_helpers_py import cmp_by_dirs
409
 
        return cmp_by_dirs
 
369
        from bzrlib._dirstate_helpers_py import cmp_by_dirs_py
 
370
        return cmp_by_dirs_py
410
371
 
411
372
    def assertCmpByDirs(self, expected, str1, str2):
412
373
        """Compare the two strings, in both directions.
508
469
class TestCompiledCmpByDirs(TestCmpByDirs):
509
470
    """Test the pyrex implementation of cmp_by_dirs"""
510
471
 
511
 
    _test_needs_features = [compiled_dirstate_helpers_feature]
 
472
    _test_needs_features = [CompiledDirstateHelpersFeature]
512
473
 
513
474
    def get_cmp_by_dirs(self):
514
 
        from bzrlib._dirstate_helpers_pyx import cmp_by_dirs
515
 
        return cmp_by_dirs
 
475
        from bzrlib._dirstate_helpers_c import cmp_by_dirs_c
 
476
        return cmp_by_dirs_c
516
477
 
517
478
 
518
479
class TestCmpPathByDirblock(tests.TestCase):
527
488
 
528
489
    def get_cmp_path_by_dirblock(self):
529
490
        """Get a specific implementation of _cmp_path_by_dirblock."""
530
 
        from bzrlib._dirstate_helpers_py import _cmp_path_by_dirblock
531
 
        return _cmp_path_by_dirblock
 
491
        from bzrlib._dirstate_helpers_py import _cmp_path_by_dirblock_py
 
492
        return _cmp_path_by_dirblock_py
532
493
 
533
494
    def assertCmpPathByDirblock(self, paths):
534
495
        """Compare all paths and make sure they evaluate to the correct order.
659
620
class TestCompiledCmpPathByDirblock(TestCmpPathByDirblock):
660
621
    """Test the pyrex implementation of _cmp_path_by_dirblock"""
661
622
 
662
 
    _test_needs_features = [compiled_dirstate_helpers_feature]
 
623
    _test_needs_features = [CompiledDirstateHelpersFeature]
663
624
 
664
625
    def get_cmp_by_dirs(self):
665
 
        from bzrlib._dirstate_helpers_pyx import _cmp_path_by_dirblock
666
 
        return _cmp_path_by_dirblock
 
626
        from bzrlib._dirstate_helpers_c import _cmp_path_by_dirblock_c
 
627
        return _cmp_path_by_dirblock_c
667
628
 
668
629
 
669
630
class TestMemRChr(tests.TestCase):
670
631
    """Test memrchr functionality"""
671
632
 
672
 
    _test_needs_features = [compiled_dirstate_helpers_feature]
 
633
    _test_needs_features = [CompiledDirstateHelpersFeature]
673
634
 
674
635
    def assertMemRChr(self, expected, s, c):
675
 
        from bzrlib._dirstate_helpers_pyx import _py_memrchr
 
636
        from bzrlib._dirstate_helpers_c import _py_memrchr
676
637
        self.assertEqual(expected, _py_memrchr(s, c))
677
638
 
678
639
    def test_missing(self):
720
681
    """
721
682
 
722
683
    def get_read_dirblocks(self):
723
 
        from bzrlib._dirstate_helpers_py import _read_dirblocks
724
 
        return _read_dirblocks
 
684
        from bzrlib._dirstate_helpers_py import _read_dirblocks_py
 
685
        return _read_dirblocks_py
725
686
 
726
687
    def test_smoketest(self):
727
688
        """Make sure that we can create and read back a simple file."""
737
698
 
738
699
    def test_trailing_garbage(self):
739
700
        tree, state, expected = self.create_basic_dirstate()
740
 
        # On Linux, we can write extra data as long as we haven't read yet, but
741
 
        # on Win32, if you've opened the file with FILE_SHARE_READ, trying to
742
 
        # open it in append mode will fail.
743
 
        state.unlock()
 
701
        # We can modify the file as long as it hasn't been read yet.
744
702
        f = open('dirstate', 'ab')
745
703
        try:
746
704
            # Add bogus trailing garbage
747
705
            f.write('bogus\n')
748
706
        finally:
749
707
            f.close()
750
 
            state.lock_read()
751
708
        e = self.assertRaises(errors.DirstateCorrupt,
752
709
                              state._read_dirblocks_if_needed)
753
710
        # Make sure we mention the bogus characters in the error
757
714
class TestCompiledReadDirblocks(TestReadDirblocks):
758
715
    """Test the pyrex implementation of _read_dirblocks"""
759
716
 
760
 
    _test_needs_features = [compiled_dirstate_helpers_feature]
 
717
    _test_needs_features = [CompiledDirstateHelpersFeature]
761
718
 
762
719
    def get_read_dirblocks(self):
763
 
        from bzrlib._dirstate_helpers_pyx import _read_dirblocks
764
 
        return _read_dirblocks
 
720
        from bzrlib._dirstate_helpers_c import _read_dirblocks_c
 
721
        return _read_dirblocks_c
765
722
 
766
723
 
767
724
class TestUsingCompiledIfAvailable(tests.TestCase):
768
725
    """Check that any compiled functions that are available are the default.
769
726
 
770
727
    It is possible to have typos, etc in the import line, such that
771
 
    _dirstate_helpers_pyx is actually available, but the compiled functions are
 
728
    _dirstate_helpers_c is actually available, but the compiled functions are
772
729
    not being used.
773
730
    """
774
731
 
775
732
    def test_bisect_dirblock(self):
776
 
        if compiled_dirstate_helpers_feature.available():
777
 
            from bzrlib._dirstate_helpers_pyx import bisect_dirblock
 
733
        if CompiledDirstateHelpersFeature.available():
 
734
            from bzrlib._dirstate_helpers_c import bisect_dirblock_c
 
735
            self.assertIs(bisect_dirblock_c, dirstate.bisect_dirblock)
778
736
        else:
779
 
            from bzrlib._dirstate_helpers_py import bisect_dirblock
780
 
        self.assertIs(bisect_dirblock, dirstate.bisect_dirblock)
 
737
            from bzrlib._dirstate_helpers_py import bisect_dirblock_py
 
738
            self.assertIs(bisect_dirblock_py, dirstate.bisect_dirblock)
781
739
 
782
740
    def test__bisect_path_left(self):
783
 
        if compiled_dirstate_helpers_feature.available():
784
 
            from bzrlib._dirstate_helpers_pyx import _bisect_path_left
 
741
        if CompiledDirstateHelpersFeature.available():
 
742
            from bzrlib._dirstate_helpers_c import _bisect_path_left_c
 
743
            self.assertIs(_bisect_path_left_c, dirstate._bisect_path_left)
785
744
        else:
786
 
            from bzrlib._dirstate_helpers_py import _bisect_path_left
787
 
        self.assertIs(_bisect_path_left, dirstate._bisect_path_left)
 
745
            from bzrlib._dirstate_helpers_py import _bisect_path_left_py
 
746
            self.assertIs(_bisect_path_left_py, dirstate._bisect_path_left)
788
747
 
789
748
    def test__bisect_path_right(self):
790
 
        if compiled_dirstate_helpers_feature.available():
791
 
            from bzrlib._dirstate_helpers_pyx import _bisect_path_right
 
749
        if CompiledDirstateHelpersFeature.available():
 
750
            from bzrlib._dirstate_helpers_c import _bisect_path_right_c
 
751
            self.assertIs(_bisect_path_right_c, dirstate._bisect_path_right)
792
752
        else:
793
 
            from bzrlib._dirstate_helpers_py import _bisect_path_right
794
 
        self.assertIs(_bisect_path_right, dirstate._bisect_path_right)
 
753
            from bzrlib._dirstate_helpers_py import _bisect_path_right_py
 
754
            self.assertIs(_bisect_path_right_py, dirstate._bisect_path_right)
795
755
 
796
756
    def test_cmp_by_dirs(self):
797
 
        if compiled_dirstate_helpers_feature.available():
798
 
            from bzrlib._dirstate_helpers_pyx import cmp_by_dirs
 
757
        if CompiledDirstateHelpersFeature.available():
 
758
            from bzrlib._dirstate_helpers_c import cmp_by_dirs_c
 
759
            self.assertIs(cmp_by_dirs_c, dirstate.cmp_by_dirs)
799
760
        else:
800
 
            from bzrlib._dirstate_helpers_py import cmp_by_dirs
801
 
        self.assertIs(cmp_by_dirs, dirstate.cmp_by_dirs)
 
761
            from bzrlib._dirstate_helpers_py import cmp_by_dirs_py
 
762
            self.assertIs(cmp_by_dirs_py, dirstate.cmp_by_dirs)
802
763
 
803
764
    def test__read_dirblocks(self):
804
 
        if compiled_dirstate_helpers_feature.available():
805
 
            from bzrlib._dirstate_helpers_pyx import _read_dirblocks
 
765
        if CompiledDirstateHelpersFeature.available():
 
766
            from bzrlib._dirstate_helpers_c import _read_dirblocks_c
 
767
            self.assertIs(_read_dirblocks_c, dirstate._read_dirblocks)
806
768
        else:
807
 
            from bzrlib._dirstate_helpers_py import _read_dirblocks
808
 
        self.assertIs(_read_dirblocks, dirstate._read_dirblocks)
 
769
            from bzrlib._dirstate_helpers_py import _read_dirblocks_py
 
770
            self.assertIs(_read_dirblocks_py, dirstate._read_dirblocks)
809
771
 
810
772
    def test_update_entry(self):
811
 
        if compiled_dirstate_helpers_feature.available():
812
 
            from bzrlib._dirstate_helpers_pyx import update_entry
 
773
        if CompiledDirstateHelpersFeature.available():
 
774
            from bzrlib._dirstate_helpers_c import update_entry
 
775
            self.assertIs(update_entry, dirstate.update_entry)
813
776
        else:
814
 
            from bzrlib.dirstate import update_entry
815
 
        self.assertIs(update_entry, dirstate.update_entry)
 
777
            from bzrlib.dirstate import py_update_entry
 
778
            self.assertIs(py_update_entry, dirstate.py_update_entry)
816
779
 
817
780
    def test_process_entry(self):
818
 
        if compiled_dirstate_helpers_feature.available():
819
 
            from bzrlib._dirstate_helpers_pyx import ProcessEntryC
 
781
        if CompiledDirstateHelpersFeature.available():
 
782
            from bzrlib._dirstate_helpers_c import ProcessEntryC
820
783
            self.assertIs(ProcessEntryC, dirstate._process_entry)
821
784
        else:
822
785
            from bzrlib.dirstate import ProcessEntryPython
826
789
class TestUpdateEntry(test_dirstate.TestCaseWithDirState):
827
790
    """Test the DirState.update_entry functions"""
828
791
 
829
 
    # Set by load_tests
830
 
    update_entry = None
831
 
 
832
 
    def setUp(self):
833
 
        super(TestUpdateEntry, self).setUp()
834
 
        self.overrideAttr(dirstate, 'update_entry', self.update_entry)
835
 
 
836
792
    def get_state_with_a(self):
837
793
        """Create a DirState tracking a single object named 'a'"""
838
794
        state = test_dirstate.InstrumentedDirState.initialize('dirstate')
839
795
        self.addCleanup(state.unlock)
840
796
        state.add('a', 'a-id', 'file', None, '')
841
797
        entry = state._get_entry(0, path_utf8='a')
 
798
        self.set_update_entry()
842
799
        return state, entry
843
800
 
 
801
    def set_update_entry(self):
 
802
        self.update_entry = dirstate.py_update_entry
 
803
 
844
804
    def test_observed_sha1_cachable(self):
845
805
        state, entry = self.get_state_with_a()
846
806
        atime = time.time() - 10
960
920
 
961
921
    def test_update_entry_symlink(self):
962
922
        """Update entry should read symlinks."""
963
 
        self.requireFeature(tests.SymlinkFeature)
 
923
        self.requireFeature(SymlinkFeature)
964
924
        state, entry = self.get_state_with_a()
965
925
        state.save()
966
926
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1060
1020
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1061
1021
                         state._dirblock_state)
1062
1022
 
1063
 
    def test_update_entry_tree_reference(self):
1064
 
        state = test_dirstate.InstrumentedDirState.initialize('dirstate')
1065
 
        self.addCleanup(state.unlock)
1066
 
        state.add('r', 'r-id', 'tree-reference', None, '')
1067
 
        self.build_tree(['r/'])
1068
 
        entry = state._get_entry(0, path_utf8='r')
1069
 
        self.do_update_entry(state, entry, 'r')
1070
 
        entry = state._get_entry(0, path_utf8='r')
1071
 
        self.assertEqual('t', entry[1][0][0])
1072
 
 
1073
1023
    def create_and_test_file(self, state, entry):
1074
1024
        """Create a file at 'a' and verify the state finds it during update.
1075
1025
 
1102
1052
 
1103
1053
        return packed_stat
1104
1054
 
1105
 
    # FIXME: Add unicode version
1106
1055
    def create_and_test_symlink(self, state, entry):
1107
1056
        """Create a symlink at 'a' and verify the state finds it.
1108
1057
 
1137
1086
 
1138
1087
    def test_update_file_to_symlink(self):
1139
1088
        """File becomes a symlink"""
1140
 
        self.requireFeature(tests.SymlinkFeature)
 
1089
        self.requireFeature(SymlinkFeature)
1141
1090
        state, entry = self.get_state_with_a()
1142
1091
        # The file sha1 won't be cached unless the file is old
1143
1092
        state.adjust_time(+10)
1156
1105
 
1157
1106
    def test_update_dir_to_symlink(self):
1158
1107
        """Directory becomes a symlink"""
1159
 
        self.requireFeature(tests.SymlinkFeature)
 
1108
        self.requireFeature(SymlinkFeature)
1160
1109
        state, entry = self.get_state_with_a()
1161
1110
        # The symlink target won't be cached if it isn't old
1162
1111
        state.adjust_time(+10)
1166
1115
 
1167
1116
    def test_update_symlink_to_file(self):
1168
1117
        """Symlink becomes a file"""
1169
 
        self.requireFeature(tests.SymlinkFeature)
 
1118
        self.requireFeature(SymlinkFeature)
1170
1119
        state, entry = self.get_state_with_a()
1171
1120
        # The symlink and file info won't be cached unless old
1172
1121
        state.adjust_time(+10)
1176
1125
 
1177
1126
    def test_update_symlink_to_dir(self):
1178
1127
        """Symlink becomes a directory"""
1179
 
        self.requireFeature(tests.SymlinkFeature)
 
1128
        self.requireFeature(SymlinkFeature)
1180
1129
        state, entry = self.get_state_with_a()
1181
1130
        # The symlink target won't be cached if it isn't old
1182
1131
        state.adjust_time(+10)
1205
1154
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
1206
1155
                         entry[1])
1207
1156
 
1208
 
        # Make the disk object look old enough to cache (but it won't cache the
1209
 
        # sha as it is a new file).
 
1157
        # Make the disk object look old enough to cache (but it won't cache the sha
 
1158
        # as it is a new file).
1210
1159
        state.adjust_time(+20)
1211
1160
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
1212
1161
        self.update_entry(state, entry, abspath='a', stat_value=stat_value)
1213
1162
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
1214
1163
            entry[1])
1215
1164
 
1216
 
    def _prepare_tree(self):
1217
 
        # Create a tree
1218
 
        text = 'Hello World\n'
1219
 
        tree = self.make_branch_and_tree('tree')
1220
 
        self.build_tree_contents([('tree/a file', text)])
1221
 
        tree.add('a file', 'a-file-id')
1222
 
        # Note: dirstate does not sha prior to the first commit
1223
 
        # so commit now in order for the test to work
1224
 
        tree.commit('first')
1225
 
        return tree, text
1226
 
 
1227
 
    def test_sha1provider_sha1_used(self):
1228
 
        tree, text = self._prepare_tree()
1229
 
        state = dirstate.DirState.from_tree(tree, 'dirstate',
1230
 
            UppercaseSHA1Provider())
1231
 
        self.addCleanup(state.unlock)
1232
 
        expected_sha = osutils.sha_string(text.upper() + "foo")
1233
 
        entry = state._get_entry(0, path_utf8='a file')
1234
 
        state._sha_cutoff_time()
1235
 
        state._cutoff_time += 10
1236
 
        sha1 = self.update_entry(state, entry, 'tree/a file',
1237
 
                                 os.lstat('tree/a file'))
1238
 
        self.assertEqual(expected_sha, sha1)
1239
 
 
1240
 
    def test_sha1provider_stat_and_sha1_used(self):
1241
 
        tree, text = self._prepare_tree()
1242
 
        tree.lock_write()
1243
 
        self.addCleanup(tree.unlock)
1244
 
        state = tree._current_dirstate()
1245
 
        state._sha1_provider = UppercaseSHA1Provider()
1246
 
        # If we used the standard provider, it would look like nothing has
1247
 
        # changed
1248
 
        file_ids_changed = [change[0] for change
1249
 
                            in tree.iter_changes(tree.basis_tree())]
1250
 
        self.assertEqual(['a-file-id'], file_ids_changed)
1251
 
 
1252
 
 
1253
 
class UppercaseSHA1Provider(dirstate.SHA1Provider):
1254
 
    """A custom SHA1Provider."""
1255
 
 
1256
 
    def sha1(self, abspath):
1257
 
        return self.stat_and_sha1(abspath)[1]
1258
 
 
1259
 
    def stat_and_sha1(self, abspath):
1260
 
        file_obj = file(abspath, 'rb')
1261
 
        try:
1262
 
            statvalue = os.fstat(file_obj.fileno())
1263
 
            text = ''.join(file_obj.readlines())
1264
 
            sha1 = osutils.sha_string(text.upper() + "foo")
1265
 
        finally:
1266
 
            file_obj.close()
1267
 
        return statvalue, sha1
1268
 
 
1269
 
 
1270
 
class TestProcessEntry(test_dirstate.TestCaseWithDirState):
1271
 
 
1272
 
    # Set by load_tests
1273
 
    _process_entry = None
1274
 
 
1275
 
    def setUp(self):
1276
 
        super(TestProcessEntry, self).setUp()
1277
 
        self.overrideAttr(dirstate, '_process_entry', self._process_entry)
1278
 
 
1279
 
    def assertChangedFileIds(self, expected, tree):
1280
 
        tree.lock_read()
1281
 
        try:
1282
 
            file_ids = [info[0] for info
1283
 
                        in tree.iter_changes(tree.basis_tree())]
1284
 
        finally:
1285
 
            tree.unlock()
1286
 
        self.assertEqual(sorted(expected), sorted(file_ids))
1287
 
 
1288
 
    def test_exceptions_raised(self):
1289
 
        # This is a direct test of bug #495023, it relies on osutils.is_inside
1290
 
        # getting called in an inner function. Which makes it a bit brittle,
1291
 
        # but at least it does reproduce the bug.
1292
 
        tree = self.make_branch_and_tree('tree')
1293
 
        self.build_tree(['tree/file', 'tree/dir/', 'tree/dir/sub',
1294
 
                         'tree/dir2/', 'tree/dir2/sub2'])
1295
 
        tree.add(['file', 'dir', 'dir/sub', 'dir2', 'dir2/sub2'])
1296
 
        tree.commit('first commit')
1297
 
        tree.lock_read()
1298
 
        self.addCleanup(tree.unlock)
1299
 
        basis_tree = tree.basis_tree()
1300
 
        def is_inside_raises(*args, **kwargs):
1301
 
            raise RuntimeError('stop this')
1302
 
        self.overrideAttr(osutils, 'is_inside', is_inside_raises)
1303
 
        self.assertListRaises(RuntimeError, tree.iter_changes, basis_tree)
1304
 
 
1305
 
    def test_simple_changes(self):
1306
 
        tree = self.make_branch_and_tree('tree')
1307
 
        self.build_tree(['tree/file'])
1308
 
        tree.add(['file'], ['file-id'])
1309
 
        self.assertChangedFileIds([tree.get_root_id(), 'file-id'], tree)
1310
 
        tree.commit('one')
1311
 
        self.assertChangedFileIds([], tree)
1312
 
 
1313
 
    def test_sha1provider_stat_and_sha1_used(self):
1314
 
        tree = self.make_branch_and_tree('tree')
1315
 
        self.build_tree(['tree/file'])
1316
 
        tree.add(['file'], ['file-id'])
1317
 
        tree.commit('one')
1318
 
        tree.lock_write()
1319
 
        self.addCleanup(tree.unlock)
1320
 
        state = tree._current_dirstate()
1321
 
        state._sha1_provider = UppercaseSHA1Provider()
1322
 
        self.assertChangedFileIds(['file-id'], tree)
1323
 
 
 
1165
 
 
1166
class TestCompiledUpdateEntry(TestUpdateEntry):
 
1167
    """Test the pyrex implementation of _read_dirblocks"""
 
1168
 
 
1169
    _test_needs_features = [CompiledDirstateHelpersFeature]
 
1170
 
 
1171
    def set_update_entry(self):
 
1172
        from bzrlib._dirstate_helpers_c import update_entry
 
1173
        self.update_entry = update_entry