73
78
class StoreText(TestBase):
74
79
"""Store and retrieve a simple text."""
81
def test_storing_text(self):
77
idx = k.add('text0', [], TEXT_0)
78
self.assertEqual(k.get(idx), TEXT_0)
83
idx = k.add_lines('text0', [], TEXT_0)
84
self.assertEqual(k.get_lines(idx), TEXT_0)
79
85
self.assertEqual(idx, 0)
83
88
class AnnotateOne(TestBase):
86
k.add('text0', [], TEXT_0)
87
self.assertEqual(k.annotate(0),
91
k.add_lines('text0', [], TEXT_0)
92
self.assertEqual(k.annotate('text0'),
93
[('text0', TEXT_0[0])])
91
96
class StoreTwo(TestBase):
95
idx = k.add('text0', [], TEXT_0)
100
idx = k.add_lines('text0', [], TEXT_0)
96
101
self.assertEqual(idx, 0)
98
idx = k.add('text1', [], TEXT_1)
103
idx = k.add_lines('text1', [], TEXT_1)
99
104
self.assertEqual(idx, 1)
101
self.assertEqual(k.get(0), TEXT_0)
102
self.assertEqual(k.get(1), TEXT_1)
106
class AddWithGivenSha(TestBase):
108
"""Add with caller-supplied SHA-1"""
106
self.assertEqual(k.get_lines(0), TEXT_0)
107
self.assertEqual(k.get_lines(1), TEXT_1)
110
class GetSha1(TestBase):
111
def test_get_sha1(self):
112
k.add('text0', [], [t], sha1=sha_string(t))
113
k.add_lines('text0', [], 'text0')
114
self.assertEqual('34dc0e430c642a26c3dd1c2beb7a8b4f4445eb79',
116
self.assertRaises(errors.RevisionNotPresent,
118
self.assertRaises(errors.RevisionNotPresent,
116
122
class InvalidAdd(TestBase):
117
123
"""Try to use invalid version number during add."""
118
124
def runTest(self):
121
self.assertRaises(IndexError,
127
self.assertRaises(errors.RevisionNotPresent,
160
165
def runTest(self):
163
k.add('text0', [], ['line 1'])
164
k.add('text1', [0], ['line 1', 'line 2'])
166
self.assertEqual(k.annotate(0),
169
self.assertEqual(k.get(1),
168
k.add_lines('text0', [], ['line 1'])
169
k.add_lines('text1', ['text0'], ['line 1', 'line 2'])
171
self.assertEqual(k.annotate('text0'),
172
[('text0', 'line 1')])
174
self.assertEqual(k.get_lines(1),
173
self.assertEqual(k.annotate(1),
177
k.add('text2', [0], ['line 1', 'diverged line'])
179
self.assertEqual(k.annotate(2),
181
(2, 'diverged line')])
178
self.assertEqual(k.annotate('text1'),
179
[('text0', 'line 1'),
180
('text1', 'line 2')])
182
k.add_lines('text2', ['text0'], ['line 1', 'diverged line'])
184
self.assertEqual(k.annotate('text2'),
185
[('text0', 'line 1'),
186
('text2', 'diverged line')])
183
188
text3 = ['line 1', 'middle line', 'line 2']
188
193
# self.log("changes to text3: " + pformat(list(k._delta(set([0, 1]), text3))))
190
195
self.log("k._weave=" + pformat(k._weave))
192
self.assertEqual(k.annotate(3),
197
self.assertEqual(k.annotate('text3'),
198
[('text0', 'line 1'),
199
('text3', 'middle line'),
200
('text1', 'line 2')])
197
202
# now multiple insertions at different places
204
['text0', 'text1', 'text3'],
200
205
['line 1', 'aaa', 'middle line', 'bbb', 'line 2', 'ccc'])
202
self.assertEqual(k.annotate(4),
207
self.assertEqual(k.annotate('text4'),
208
[('text0', 'line 1'),
210
('text3', 'middle line'),
212
216
class DeleteLines(TestBase):
561
576
['header', '', 'line from 1', 'fixup line', 'line from 2'],
564
k.add('text0', [], texts[0])
565
k.add('text1', [0], texts[1])
566
k.add('text2', [0], texts[2])
567
k.add('merge', [0, 1, 2], texts[3])
579
k.add_lines('text0', [], texts[0])
580
k.add_lines('text1', ['text0'], texts[1])
581
k.add_lines('text2', ['text0'], texts[2])
582
k.add_lines('merge', ['text0', 'text1', 'text2'], texts[3])
569
584
for i, t in enumerate(texts):
570
self.assertEqual(k.get(i), t)
585
self.assertEqual(k.get_lines(i), t)
572
self.assertEqual(k.annotate(3),
587
self.assertEqual(k.annotate('merge'),
588
[('text0', 'header'),
590
('text1', 'line from 1'),
591
('merge', 'fixup line'),
592
('text2', 'line from 2'),
580
self.assertEqual(list(k.inclusions([3])),
595
self.assertEqual(list(k.get_ancestry(['merge'])),
596
['text0', 'text1', 'text2', 'merge'])
583
598
self.log('k._weave=' + pformat(k._weave))
618
k.add([], ['aaa', 'bbb'])
619
k.add([0], ['111', 'aaa', 'ccc', 'bbb'])
620
k.add([1], ['aaa', 'ccc', 'bbb', '222'])
626
class AutoMerge(TestBase):
630
texts = [['header', 'aaa', 'bbb'],
631
['header', 'aaa', 'line from 1', 'bbb'],
632
['header', 'aaa', 'bbb', 'line from 2', 'more from 2'],
635
k.add('text0', [], texts[0])
636
k.add('text1', [0], texts[1])
637
k.add('text2', [0], texts[2])
639
self.log('k._weave=' + pformat(k._weave))
641
m = list(k.mash_iter([0, 1, 2]))
647
'line from 2', 'more from 2'])
632
k.add_lines([], ['aaa', 'bbb'])
633
k.add_lines([0], ['111', 'aaa', 'ccc', 'bbb'])
634
k.add_lines([1], ['aaa', 'ccc', 'bbb', '222'])
651
637
class Khayyam(TestBase):
652
638
"""Test changes to multi-line texts, and read/write"""
640
def test_multi_line_merge(self):
655
642
"""A Book of Verses underneath the Bough,
656
643
A Jug of Wine, a Loaf of Bread, -- and Thou
685
ver = k.add('text%d' % i,
672
ver = k.add_lines('text%d' % i,
686
673
list(parents), t)
674
parents.add('text%d' % i)
690
677
self.log("k._weave=" + pformat(k._weave))
692
679
for i, t in enumerate(texts):
693
self.assertEqual(k.get(i), t)
680
self.assertEqual(k.get_lines(i), t)
695
682
self.check_read_write(k)
699
class MergeCases(TestBase):
700
def doMerge(self, base, a, b, mp):
701
from cStringIO import StringIO
702
from textwrap import dedent
708
w.add('text0', [], map(addcrlf, base))
709
w.add('text1', [0], map(addcrlf, a))
710
w.add('text2', [0], map(addcrlf, b))
712
self.log('weave is:')
715
self.log(tmpf.getvalue())
717
self.log('merge plan:')
718
p = list(w.plan_merge(1, 2))
719
for state, line in p:
721
self.log('%12s | %s' % (state, line[:-1]))
725
mt.writelines(w.weave_merge(p))
727
self.log(mt.getvalue())
729
mp = map(addcrlf, mp)
730
self.assertEqual(mt.readlines(), mp)
733
def testOneInsert(self):
739
def testSeparateInserts(self):
740
self.doMerge(['aaa', 'bbb', 'ccc'],
741
['aaa', 'xxx', 'bbb', 'ccc'],
742
['aaa', 'bbb', 'yyy', 'ccc'],
743
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'])
745
def testSameInsert(self):
746
self.doMerge(['aaa', 'bbb', 'ccc'],
747
['aaa', 'xxx', 'bbb', 'ccc'],
748
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'],
749
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'])
751
def testOverlappedInsert(self):
752
self.doMerge(['aaa', 'bbb'],
753
['aaa', 'xxx', 'yyy', 'bbb'],
754
['aaa', 'xxx', 'bbb'],
755
['aaa', '<<<<', 'xxx', 'yyy', '====', 'xxx', '>>>>', 'bbb'])
757
# really it ought to reduce this to
758
# ['aaa', 'xxx', 'yyy', 'bbb']
761
def testClashReplace(self):
762
self.doMerge(['aaa'],
765
['<<<<', 'xxx', '====', 'yyy', 'zzz', '>>>>'])
767
def testNonClashInsert(self):
768
self.doMerge(['aaa'],
771
['<<<<', 'xxx', 'aaa', '====', 'yyy', 'zzz', '>>>>'])
773
self.doMerge(['aaa'],
779
def testDeleteAndModify(self):
780
"""Clashing delete and modification.
782
If one side modifies a region and the other deletes it then
783
there should be a conflict with one side blank.
786
#######################################
787
# skippd, not working yet
790
self.doMerge(['aaa', 'bbb', 'ccc'],
791
['aaa', 'ddd', 'ccc'],
793
['<<<<', 'aaa', '====', '>>>>', 'ccc'])
796
685
class JoinWeavesTests(TestBase):
798
687
super(JoinWeavesTests, self).setUp()
799
688
self.weave1 = Weave()
800
689
self.lines1 = ['hello\n']
801
690
self.lines3 = ['hello\n', 'cruel\n', 'world\n']
802
self.weave1.add('v1', [], self.lines1)
803
self.weave1.add('v2', [0], ['hello\n', 'world\n'])
804
self.weave1.add('v3', [1], self.lines3)
691
self.weave1.add_lines('v1', [], self.lines1)
692
self.weave1.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
693
self.weave1.add_lines('v3', ['v2'], self.lines3)
806
695
def test_join_empty(self):
807
696
"""Join two empty weaves."""
841
730
['hello\n', 'pale blue\n', 'world\n'])
843
732
def test_join_parent_disagreement(self):
844
"""Cannot join weaves with different parents for a version."""
733
#join reconciles differening parents into a union.
847
wa.add('v1', [], ['hello\n'])
849
wb.add('v1', ['v0'], ['hello\n'])
850
self.assertRaises(WeaveError,
736
wa.add_lines('v1', [], ['hello\n'])
737
wb.add_lines('v0', [], [])
738
wb.add_lines('v1', ['v0'], ['hello\n'])
740
self.assertEqual(['v0'], wa.get_parents('v1'))
853
742
def test_join_text_disagreement(self):
854
743
"""Cannot join weaves with different texts for a version."""
857
wa.add('v1', [], ['hello\n'])
858
wb.add('v1', [], ['not\n', 'hello\n'])
746
wa.add_lines('v1', [], ['hello\n'])
747
wb.add_lines('v1', [], ['not\n', 'hello\n'])
859
748
self.assertRaises(WeaveError,
865
754
The source weave contains a different version at index 0."""
866
755
wa = self.weave1.copy()
868
wb.add('x1', [], ['line from x1\n'])
869
wb.add('v1', [], ['hello\n'])
870
wb.add('v2', ['v1'], ['hello\n', 'world\n'])
872
eq = self.assertEquals
873
eq(sorted(wa.iter_names()), ['v1', 'v2', 'v3', 'x1',])
874
eq(wa.get_text('x1'), 'line from x1\n')
876
def test_join_with_ghosts(self):
877
"""Join that inserts parents of an existing revision.
879
This can happen when merging from another branch who
880
knows about revisions the destination does not. In
881
this test the second weave knows of an additional parent of
882
v2. Any revisions which are in common still have to have the
884
return ###############################
885
wa = self.weave1.copy()
887
wb.add('x1', [], ['line from x1\n'])
888
wb.add('v1', [], ['hello\n'])
889
wb.add('v2', ['v1', 'x1'], ['hello\n', 'world\n'])
891
eq = self.assertEquals
892
eq(sorted(wa.iter_names()), ['v1', 'v2', 'v3', 'x1',])
893
eq(wa.get_text('x1'), 'line from x1\n')
896
if __name__ == '__main__':
899
sys.exit(unittest.main())
757
wb.add_lines('x1', [], ['line from x1\n'])
758
wb.add_lines('v1', [], ['hello\n'])
759
wb.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
761
eq = self.assertEquals
762
eq(sorted(wa.versions()), ['v1', 'v2', 'v3', 'x1',])
763
eq(wa.get_text('x1'), 'line from x1\n')
765
def test_written_detection(self):
766
# Test detection of weave file corruption.
768
# Make sure that we can detect if a weave file has
769
# been corrupted. This doesn't test all forms of corruption,
770
# but it at least helps verify the data you get, is what you want.
771
from cStringIO import StringIO
774
w.add_lines('v1', [], ['hello\n'])
775
w.add_lines('v2', ['v1'], ['hello\n', 'there\n'])
780
# Because we are corrupting, we need to make sure we have the exact text
781
self.assertEquals('# bzr weave file v5\n'
782
'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
783
'i 0\n1 90f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
784
'w\n{ 0\n. hello\n}\n{ 1\n. there\n}\nW\n',
787
# Change a single letter
788
tmpf = StringIO('# bzr weave file v5\n'
789
'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
790
'i 0\n1 90f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
791
'w\n{ 0\n. hello\n}\n{ 1\n. There\n}\nW\n')
795
self.assertEqual('hello\n', w.get_text('v1'))
796
self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
797
self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
798
self.assertRaises(errors.WeaveInvalidChecksum, w.check)
800
# Change the sha checksum
801
tmpf = StringIO('# bzr weave file v5\n'
802
'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
803
'i 0\n1 f0f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
804
'w\n{ 0\n. hello\n}\n{ 1\n. there\n}\nW\n')
808
self.assertEqual('hello\n', w.get_text('v1'))
809
self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
810
self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
811
self.assertRaises(errors.WeaveInvalidChecksum, w.check)
814
class InstrumentedWeave(Weave):
815
"""Keep track of how many times functions are called."""
817
def __init__(self, weave_name=None):
818
self._extract_count = 0
819
Weave.__init__(self, weave_name=weave_name)
821
def _extract(self, versions):
822
self._extract_count += 1
823
return Weave._extract(self, versions)
826
class JoinOptimization(TestCase):
827
"""Test that Weave.join() doesn't extract all texts, only what must be done."""
830
w1 = InstrumentedWeave()
831
w2 = InstrumentedWeave()
834
txt1 = ['a\n', 'b\n']
835
txt2 = ['a\n', 'c\n']
836
txt3 = ['a\n', 'b\n', 'c\n']
838
w1.add_lines('txt0', [], txt0) # extract 1a
839
w2.add_lines('txt0', [], txt0) # extract 1b
840
w1.add_lines('txt1', ['txt0'], txt1)# extract 2a
841
w2.add_lines('txt2', ['txt0'], txt2)# extract 2b
842
w1.join(w2) # extract 3a to add txt2
843
w2.join(w1) # extract 3b to add txt1
845
w1.add_lines('txt3', ['txt1', 'txt2'], txt3) # extract 4a
846
w2.add_lines('txt3', ['txt2', 'txt1'], txt3) # extract 4b
847
# These secretly have inverted parents
849
# This should not have to do any extractions
850
w1.join(w2) # NO extract, texts already present with same parents
851
w2.join(w1) # NO extract, texts already present with same parents
853
self.assertEqual(4, w1._extract_count)
854
self.assertEqual(4, w2._extract_count)
856
def test_double_parent(self):
857
# It should not be considered illegal to add
858
# a revision with the same parent twice
859
w1 = InstrumentedWeave()
860
w2 = InstrumentedWeave()
863
txt1 = ['a\n', 'b\n']
864
txt2 = ['a\n', 'c\n']
865
txt3 = ['a\n', 'b\n', 'c\n']
867
w1.add_lines('txt0', [], txt0)
868
w2.add_lines('txt0', [], txt0)
869
w1.add_lines('txt1', ['txt0'], txt1)
870
w2.add_lines('txt1', ['txt0', 'txt0'], txt1)
871
# Same text, effectively the same, because the
872
# parent is only repeated
873
w1.join(w2) # extract 3a to add txt2
874
w2.join(w1) # extract 3b to add txt1
877
class TestNeedsReweave(TestCase):
878
"""Internal corner cases for when reweave is needed."""
880
def test_compatible_parents(self):
882
my_parents = set([1, 2, 3])
884
self.assertTrue(w1._compatible_parents(my_parents, set([3])))
886
self.assertTrue(w1._compatible_parents(my_parents, set(my_parents)))
887
# same empty corner case
888
self.assertTrue(w1._compatible_parents(set(), set()))
889
# other cannot contain stuff my_parents does not
890
self.assertFalse(w1._compatible_parents(set(), set([1])))
891
self.assertFalse(w1._compatible_parents(my_parents, set([1, 2, 3, 4])))
892
self.assertFalse(w1._compatible_parents(my_parents, set([4])))