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Viewing changes to bzrlib/tests/test__dirstate_helpers.py

  • Committer: Vincent Ladeuil
  • Date: 2010-02-10 15:46:03 UTC
  • mfrom: (4985.3.21 update)
  • mto: This revision was merged to the branch mainline in revision 5021.
  • Revision ID: v.ladeuil+lp@free.fr-20100210154603-k4no1gvfuqpzrw7p
Update performs two merges in a more logical order but stop on conflicts

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# Copyright (C) 2007, 2008 Canonical Ltd
 
1
# Copyright (C) 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
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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,
26
27
    tests,
27
28
    )
28
29
from bzrlib.tests import (
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()
 
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
46
85
 
47
86
 
48
87
class TestBisectPathMixin(object):
201
240
 
202
241
 
203
242
class TestBisectPathLeft(tests.TestCase, TestBisectPathMixin):
204
 
    """Run all Bisect Path tests against _bisect_path_left_py."""
 
243
    """Run all Bisect Path tests against _bisect_path_left."""
205
244
 
206
245
    def get_bisect_path(self):
207
 
        from bzrlib._dirstate_helpers_py import _bisect_path_left_py
208
 
        return _bisect_path_left_py
 
246
        from bzrlib._dirstate_helpers_py import _bisect_path_left
 
247
        return _bisect_path_left
209
248
 
210
249
    def get_bisect(self):
211
250
        return bisect.bisect_left, 0
212
251
 
213
252
 
214
253
class TestCompiledBisectPathLeft(TestBisectPathLeft):
215
 
    """Run all Bisect Path tests against _bisect_path_right_c"""
 
254
    """Run all Bisect Path tests against _bisect_path_lect"""
216
255
 
217
 
    _test_needs_features = [CompiledDirstateHelpersFeature]
 
256
    _test_needs_features = [compiled_dirstate_helpers_feature]
218
257
 
219
258
    def get_bisect_path(self):
220
 
        from bzrlib._dirstate_helpers_c import _bisect_path_left_c
221
 
        return _bisect_path_left_c
 
259
        from bzrlib._dirstate_helpers_pyx import _bisect_path_left
 
260
        return _bisect_path_left
222
261
 
223
262
 
224
263
class TestBisectPathRight(tests.TestCase, TestBisectPathMixin):
225
 
    """Run all Bisect Path tests against _bisect_path_right_py"""
 
264
    """Run all Bisect Path tests against _bisect_path_right"""
226
265
 
227
266
    def get_bisect_path(self):
228
 
        from bzrlib._dirstate_helpers_py import _bisect_path_right_py
229
 
        return _bisect_path_right_py
 
267
        from bzrlib._dirstate_helpers_py import _bisect_path_right
 
268
        return _bisect_path_right
230
269
 
231
270
    def get_bisect(self):
232
271
        return bisect.bisect_right, -1
233
272
 
234
273
 
235
274
class TestCompiledBisectPathRight(TestBisectPathRight):
236
 
    """Run all Bisect Path tests against _bisect_path_right_c"""
 
275
    """Run all Bisect Path tests against _bisect_path_right"""
237
276
 
238
 
    _test_needs_features = [CompiledDirstateHelpersFeature]
 
277
    _test_needs_features = [compiled_dirstate_helpers_feature]
239
278
 
240
279
    def get_bisect_path(self):
241
 
        from bzrlib._dirstate_helpers_c import _bisect_path_right_c
242
 
        return _bisect_path_right_c
 
280
        from bzrlib._dirstate_helpers_pyx import _bisect_path_right
 
281
        return _bisect_path_right
243
282
 
244
283
 
245
284
class TestBisectDirblock(tests.TestCase):
256
295
 
257
296
    def get_bisect_dirblock(self):
258
297
        """Return an implementation of bisect_dirblock"""
259
 
        from bzrlib._dirstate_helpers_py import bisect_dirblock_py
260
 
        return bisect_dirblock_py
 
298
        from bzrlib._dirstate_helpers_py import bisect_dirblock
 
299
        return bisect_dirblock
261
300
 
262
301
    def assertBisect(self, dirblocks, split_dirblocks, path, *args, **kwargs):
263
302
        """Assert that bisect_split works like bisect_left on the split paths.
347
386
    compiled version.
348
387
    """
349
388
 
350
 
    _test_needs_features = [CompiledDirstateHelpersFeature]
 
389
    _test_needs_features = [compiled_dirstate_helpers_feature]
351
390
 
352
391
    def get_bisect_dirblock(self):
353
 
        from bzrlib._dirstate_helpers_c import bisect_dirblock_c
354
 
        return bisect_dirblock_c
 
392
        from bzrlib._dirstate_helpers_pyx import bisect_dirblock
 
393
        return bisect_dirblock
355
394
 
356
395
 
357
396
class TestCmpByDirs(tests.TestCase):
366
405
 
367
406
    def get_cmp_by_dirs(self):
368
407
        """Get a specific implementation of cmp_by_dirs."""
369
 
        from bzrlib._dirstate_helpers_py import cmp_by_dirs_py
370
 
        return cmp_by_dirs_py
 
408
        from bzrlib._dirstate_helpers_py import cmp_by_dirs
 
409
        return cmp_by_dirs
371
410
 
372
411
    def assertCmpByDirs(self, expected, str1, str2):
373
412
        """Compare the two strings, in both directions.
469
508
class TestCompiledCmpByDirs(TestCmpByDirs):
470
509
    """Test the pyrex implementation of cmp_by_dirs"""
471
510
 
472
 
    _test_needs_features = [CompiledDirstateHelpersFeature]
 
511
    _test_needs_features = [compiled_dirstate_helpers_feature]
473
512
 
474
513
    def get_cmp_by_dirs(self):
475
 
        from bzrlib._dirstate_helpers_c import cmp_by_dirs_c
476
 
        return cmp_by_dirs_c
 
514
        from bzrlib._dirstate_helpers_pyx import cmp_by_dirs
 
515
        return cmp_by_dirs
477
516
 
478
517
 
479
518
class TestCmpPathByDirblock(tests.TestCase):
488
527
 
489
528
    def get_cmp_path_by_dirblock(self):
490
529
        """Get a specific implementation of _cmp_path_by_dirblock."""
491
 
        from bzrlib._dirstate_helpers_py import _cmp_path_by_dirblock_py
492
 
        return _cmp_path_by_dirblock_py
 
530
        from bzrlib._dirstate_helpers_py import _cmp_path_by_dirblock
 
531
        return _cmp_path_by_dirblock
493
532
 
494
533
    def assertCmpPathByDirblock(self, paths):
495
534
        """Compare all paths and make sure they evaluate to the correct order.
620
659
class TestCompiledCmpPathByDirblock(TestCmpPathByDirblock):
621
660
    """Test the pyrex implementation of _cmp_path_by_dirblock"""
622
661
 
623
 
    _test_needs_features = [CompiledDirstateHelpersFeature]
 
662
    _test_needs_features = [compiled_dirstate_helpers_feature]
624
663
 
625
664
    def get_cmp_by_dirs(self):
626
 
        from bzrlib._dirstate_helpers_c import _cmp_path_by_dirblock_c
627
 
        return _cmp_path_by_dirblock_c
 
665
        from bzrlib._dirstate_helpers_pyx import _cmp_path_by_dirblock
 
666
        return _cmp_path_by_dirblock
628
667
 
629
668
 
630
669
class TestMemRChr(tests.TestCase):
631
670
    """Test memrchr functionality"""
632
671
 
633
 
    _test_needs_features = [CompiledDirstateHelpersFeature]
 
672
    _test_needs_features = [compiled_dirstate_helpers_feature]
634
673
 
635
674
    def assertMemRChr(self, expected, s, c):
636
 
        from bzrlib._dirstate_helpers_c import _py_memrchr
 
675
        from bzrlib._dirstate_helpers_pyx import _py_memrchr
637
676
        self.assertEqual(expected, _py_memrchr(s, c))
638
677
 
639
678
    def test_missing(self):
681
720
    """
682
721
 
683
722
    def get_read_dirblocks(self):
684
 
        from bzrlib._dirstate_helpers_py import _read_dirblocks_py
685
 
        return _read_dirblocks_py
 
723
        from bzrlib._dirstate_helpers_py import _read_dirblocks
 
724
        return _read_dirblocks
686
725
 
687
726
    def test_smoketest(self):
688
727
        """Make sure that we can create and read back a simple file."""
698
737
 
699
738
    def test_trailing_garbage(self):
700
739
        tree, state, expected = self.create_basic_dirstate()
701
 
        # We can modify the file as long as it hasn't been read yet.
 
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()
702
744
        f = open('dirstate', 'ab')
703
745
        try:
704
746
            # Add bogus trailing garbage
705
747
            f.write('bogus\n')
706
748
        finally:
707
749
            f.close()
 
750
            state.lock_read()
708
751
        e = self.assertRaises(errors.DirstateCorrupt,
709
752
                              state._read_dirblocks_if_needed)
710
753
        # Make sure we mention the bogus characters in the error
714
757
class TestCompiledReadDirblocks(TestReadDirblocks):
715
758
    """Test the pyrex implementation of _read_dirblocks"""
716
759
 
717
 
    _test_needs_features = [CompiledDirstateHelpersFeature]
 
760
    _test_needs_features = [compiled_dirstate_helpers_feature]
718
761
 
719
762
    def get_read_dirblocks(self):
720
 
        from bzrlib._dirstate_helpers_c import _read_dirblocks_c
721
 
        return _read_dirblocks_c
 
763
        from bzrlib._dirstate_helpers_pyx import _read_dirblocks
 
764
        return _read_dirblocks
722
765
 
723
766
 
724
767
class TestUsingCompiledIfAvailable(tests.TestCase):
725
768
    """Check that any compiled functions that are available are the default.
726
769
 
727
770
    It is possible to have typos, etc in the import line, such that
728
 
    _dirstate_helpers_c is actually available, but the compiled functions are
 
771
    _dirstate_helpers_pyx is actually available, but the compiled functions are
729
772
    not being used.
730
773
    """
731
774
 
732
775
    def test_bisect_dirblock(self):
733
 
        if CompiledDirstateHelpersFeature.available():
734
 
            from bzrlib._dirstate_helpers_c import bisect_dirblock_c
735
 
            self.assertIs(bisect_dirblock_c, dirstate.bisect_dirblock)
 
776
        if compiled_dirstate_helpers_feature.available():
 
777
            from bzrlib._dirstate_helpers_pyx import bisect_dirblock
736
778
        else:
737
 
            from bzrlib._dirstate_helpers_py import bisect_dirblock_py
738
 
            self.assertIs(bisect_dirblock_py, dirstate.bisect_dirblock)
 
779
            from bzrlib._dirstate_helpers_py import bisect_dirblock
 
780
        self.assertIs(bisect_dirblock, dirstate.bisect_dirblock)
739
781
 
740
782
    def test__bisect_path_left(self):
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)
 
783
        if compiled_dirstate_helpers_feature.available():
 
784
            from bzrlib._dirstate_helpers_pyx import _bisect_path_left
744
785
        else:
745
 
            from bzrlib._dirstate_helpers_py import _bisect_path_left_py
746
 
            self.assertIs(_bisect_path_left_py, dirstate._bisect_path_left)
 
786
            from bzrlib._dirstate_helpers_py import _bisect_path_left
 
787
        self.assertIs(_bisect_path_left, dirstate._bisect_path_left)
747
788
 
748
789
    def test__bisect_path_right(self):
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)
 
790
        if compiled_dirstate_helpers_feature.available():
 
791
            from bzrlib._dirstate_helpers_pyx import _bisect_path_right
752
792
        else:
753
 
            from bzrlib._dirstate_helpers_py import _bisect_path_right_py
754
 
            self.assertIs(_bisect_path_right_py, dirstate._bisect_path_right)
 
793
            from bzrlib._dirstate_helpers_py import _bisect_path_right
 
794
        self.assertIs(_bisect_path_right, dirstate._bisect_path_right)
755
795
 
756
796
    def test_cmp_by_dirs(self):
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)
 
797
        if compiled_dirstate_helpers_feature.available():
 
798
            from bzrlib._dirstate_helpers_pyx import cmp_by_dirs
760
799
        else:
761
 
            from bzrlib._dirstate_helpers_py import cmp_by_dirs_py
762
 
            self.assertIs(cmp_by_dirs_py, dirstate.cmp_by_dirs)
 
800
            from bzrlib._dirstate_helpers_py import cmp_by_dirs
 
801
        self.assertIs(cmp_by_dirs, dirstate.cmp_by_dirs)
763
802
 
764
803
    def test__read_dirblocks(self):
765
 
        if CompiledDirstateHelpersFeature.available():
766
 
            from bzrlib._dirstate_helpers_c import _read_dirblocks_c
767
 
            self.assertIs(_read_dirblocks_c, dirstate._read_dirblocks)
 
804
        if compiled_dirstate_helpers_feature.available():
 
805
            from bzrlib._dirstate_helpers_pyx import _read_dirblocks
768
806
        else:
769
 
            from bzrlib._dirstate_helpers_py import _read_dirblocks_py
770
 
            self.assertIs(_read_dirblocks_py, dirstate._read_dirblocks)
 
807
            from bzrlib._dirstate_helpers_py import _read_dirblocks
 
808
        self.assertIs(_read_dirblocks, dirstate._read_dirblocks)
771
809
 
772
810
    def test_update_entry(self):
773
 
        if CompiledDirstateHelpersFeature.available():
774
 
            from bzrlib._dirstate_helpers_c import update_entry
775
 
            self.assertIs(update_entry, dirstate.update_entry)
 
811
        if compiled_dirstate_helpers_feature.available():
 
812
            from bzrlib._dirstate_helpers_pyx import update_entry
776
813
        else:
777
 
            from bzrlib.dirstate import py_update_entry
778
 
            self.assertIs(py_update_entry, dirstate.py_update_entry)
 
814
            from bzrlib.dirstate import update_entry
 
815
        self.assertIs(update_entry, dirstate.update_entry)
779
816
 
780
817
    def test_process_entry(self):
781
 
        if CompiledDirstateHelpersFeature.available():
782
 
            from bzrlib._dirstate_helpers_c import ProcessEntryC
 
818
        if compiled_dirstate_helpers_feature.available():
 
819
            from bzrlib._dirstate_helpers_pyx import ProcessEntryC
783
820
            self.assertIs(ProcessEntryC, dirstate._process_entry)
784
821
        else:
785
822
            from bzrlib.dirstate import ProcessEntryPython
789
826
class TestUpdateEntry(test_dirstate.TestCaseWithDirState):
790
827
    """Test the DirState.update_entry functions"""
791
828
 
 
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
 
792
836
    def get_state_with_a(self):
793
837
        """Create a DirState tracking a single object named 'a'"""
794
838
        state = test_dirstate.InstrumentedDirState.initialize('dirstate')
795
839
        self.addCleanup(state.unlock)
796
840
        state.add('a', 'a-id', 'file', None, '')
797
841
        entry = state._get_entry(0, path_utf8='a')
798
 
        self.set_update_entry()
799
842
        return state, entry
800
843
 
801
 
    def set_update_entry(self):
802
 
        self.update_entry = dirstate.py_update_entry
803
 
 
804
844
    def test_observed_sha1_cachable(self):
805
845
        state, entry = self.get_state_with_a()
806
846
        atime = time.time() - 10
920
960
 
921
961
    def test_update_entry_symlink(self):
922
962
        """Update entry should read symlinks."""
923
 
        self.requireFeature(SymlinkFeature)
 
963
        self.requireFeature(tests.SymlinkFeature)
924
964
        state, entry = self.get_state_with_a()
925
965
        state.save()
926
966
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1020
1060
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1021
1061
                         state._dirblock_state)
1022
1062
 
 
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
 
1023
1073
    def create_and_test_file(self, state, entry):
1024
1074
        """Create a file at 'a' and verify the state finds it during update.
1025
1075
 
1052
1102
 
1053
1103
        return packed_stat
1054
1104
 
 
1105
    # FIXME: Add unicode version
1055
1106
    def create_and_test_symlink(self, state, entry):
1056
1107
        """Create a symlink at 'a' and verify the state finds it.
1057
1108
 
1086
1137
 
1087
1138
    def test_update_file_to_symlink(self):
1088
1139
        """File becomes a symlink"""
1089
 
        self.requireFeature(SymlinkFeature)
 
1140
        self.requireFeature(tests.SymlinkFeature)
1090
1141
        state, entry = self.get_state_with_a()
1091
1142
        # The file sha1 won't be cached unless the file is old
1092
1143
        state.adjust_time(+10)
1105
1156
 
1106
1157
    def test_update_dir_to_symlink(self):
1107
1158
        """Directory becomes a symlink"""
1108
 
        self.requireFeature(SymlinkFeature)
 
1159
        self.requireFeature(tests.SymlinkFeature)
1109
1160
        state, entry = self.get_state_with_a()
1110
1161
        # The symlink target won't be cached if it isn't old
1111
1162
        state.adjust_time(+10)
1115
1166
 
1116
1167
    def test_update_symlink_to_file(self):
1117
1168
        """Symlink becomes a file"""
1118
 
        self.requireFeature(SymlinkFeature)
 
1169
        self.requireFeature(tests.SymlinkFeature)
1119
1170
        state, entry = self.get_state_with_a()
1120
1171
        # The symlink and file info won't be cached unless old
1121
1172
        state.adjust_time(+10)
1125
1176
 
1126
1177
    def test_update_symlink_to_dir(self):
1127
1178
        """Symlink becomes a directory"""
1128
 
        self.requireFeature(SymlinkFeature)
 
1179
        self.requireFeature(tests.SymlinkFeature)
1129
1180
        state, entry = self.get_state_with_a()
1130
1181
        # The symlink target won't be cached if it isn't old
1131
1182
        state.adjust_time(+10)
1154
1205
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
1155
1206
                         entry[1])
1156
1207
 
1157
 
        # Make the disk object look old enough to cache (but it won't cache the sha
1158
 
        # as it is a new file).
 
1208
        # Make the disk object look old enough to cache (but it won't cache the
 
1209
        # sha as it is a new file).
1159
1210
        state.adjust_time(+20)
1160
1211
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
1161
1212
        self.update_entry(state, entry, abspath='a', stat_value=stat_value)
1162
1213
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
1163
1214
            entry[1])
1164
1215
 
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
 
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