80
79
class StoreText(TestBase):
81
80
"""Store and retrieve a simple text."""
83
def test_storing_text(self):
85
idx = k.add_lines('text0', [], TEXT_0)
86
self.assertEqual(k.get_lines(idx), TEXT_0)
83
idx = k.add('text0', [], TEXT_0)
84
self.assertEqual(k.get(idx), TEXT_0)
87
85
self.assertEqual(idx, 0)
90
89
class AnnotateOne(TestBase):
93
k.add_lines('text0', [], TEXT_0)
94
self.assertEqual(k.annotate('text0'),
95
[('text0', TEXT_0[0])])
92
k.add('text0', [], TEXT_0)
93
self.assertEqual(k.annotate(0),
98
97
class StoreTwo(TestBase):
102
idx = k.add_lines('text0', [], TEXT_0)
101
idx = k.add('text0', [], TEXT_0)
103
102
self.assertEqual(idx, 0)
105
idx = k.add_lines('text1', [], TEXT_1)
104
idx = k.add('text1', [], TEXT_1)
106
105
self.assertEqual(idx, 1)
108
self.assertEqual(k.get_lines(0), TEXT_0)
109
self.assertEqual(k.get_lines(1), TEXT_1)
112
class GetSha1(TestBase):
113
def test_get_sha1(self):
107
self.assertEqual(k.get(0), TEXT_0)
108
self.assertEqual(k.get(1), TEXT_1)
112
class AddWithGivenSha(TestBase):
114
"""Add with caller-supplied SHA-1"""
115
k.add_lines('text0', [], 'text0')
116
self.assertEqual('34dc0e430c642a26c3dd1c2beb7a8b4f4445eb79',
118
self.assertRaises(errors.RevisionNotPresent,
120
self.assertRaises(errors.RevisionNotPresent,
118
k.add('text0', [], [t], sha1=sha_string(t))
124
122
class InvalidAdd(TestBase):
125
123
"""Try to use invalid version number during add."""
126
124
def runTest(self):
129
self.assertRaises(errors.RevisionNotPresent,
127
self.assertRaises(IndexError,
137
135
"""Add the same version twice; harmless."""
138
136
def runTest(self):
140
idx = k.add_lines('text0', [], TEXT_0)
141
idx2 = k.add_lines('text0', [], TEXT_0)
138
idx = k.add('text0', [], TEXT_0)
139
idx2 = k.add('text0', [], TEXT_0)
142
140
self.assertEqual(idx, idx2)
145
144
class InvalidRepeatedAdd(TestBase):
146
145
def runTest(self):
148
k.add_lines('basis', [], TEXT_0)
149
idx = k.add_lines('text0', [], TEXT_0)
150
self.assertRaises(errors.RevisionAlreadyPresent,
147
idx = k.add('text0', [], TEXT_0)
148
self.assertRaises(WeaveError,
154
152
['not the same text'])
155
self.assertRaises(errors.RevisionAlreadyPresent,
153
self.assertRaises(WeaveError,
158
['basis'], # not the right parents
156
[12], # not the right parents
162
161
class InsertLines(TestBase):
163
162
"""Store a revision that adds one line to the original.
167
166
def runTest(self):
170
k.add_lines('text0', [], ['line 1'])
171
k.add_lines('text1', ['text0'], ['line 1', 'line 2'])
173
self.assertEqual(k.annotate('text0'),
174
[('text0', 'line 1')])
176
self.assertEqual(k.get_lines(1),
169
k.add('text0', [], ['line 1'])
170
k.add('text1', [0], ['line 1', 'line 2'])
172
self.assertEqual(k.annotate(0),
175
self.assertEqual(k.get(1),
180
self.assertEqual(k.annotate('text1'),
181
[('text0', 'line 1'),
182
('text1', 'line 2')])
184
k.add_lines('text2', ['text0'], ['line 1', 'diverged line'])
186
self.assertEqual(k.annotate('text2'),
187
[('text0', 'line 1'),
188
('text2', 'diverged line')])
179
self.assertEqual(k.annotate(1),
183
k.add('text2', [0], ['line 1', 'diverged line'])
185
self.assertEqual(k.annotate(2),
187
(2, 'diverged line')])
190
189
text3 = ['line 1', 'middle line', 'line 2']
195
194
# self.log("changes to text3: " + pformat(list(k._delta(set([0, 1]), text3))))
197
196
self.log("k._weave=" + pformat(k._weave))
199
self.assertEqual(k.annotate('text3'),
200
[('text0', 'line 1'),
201
('text3', 'middle line'),
202
('text1', 'line 2')])
198
self.assertEqual(k.annotate(3),
204
203
# now multiple insertions at different places
206
['text0', 'text1', 'text3'],
207
206
['line 1', 'aaa', 'middle line', 'bbb', 'line 2', 'ccc'])
209
self.assertEqual(k.annotate('text4'),
210
[('text0', 'line 1'),
212
('text3', 'middle line'),
208
self.assertEqual(k.annotate(4),
218
218
class DeleteLines(TestBase):
578
567
['header', '', 'line from 1', 'fixup line', 'line from 2'],
581
k.add_lines('text0', [], texts[0])
582
k.add_lines('text1', ['text0'], texts[1])
583
k.add_lines('text2', ['text0'], texts[2])
584
k.add_lines('merge', ['text0', 'text1', 'text2'], texts[3])
570
k.add('text0', [], texts[0])
571
k.add('text1', [0], texts[1])
572
k.add('text2', [0], texts[2])
573
k.add('merge', [0, 1, 2], texts[3])
586
575
for i, t in enumerate(texts):
587
self.assertEqual(k.get_lines(i), t)
576
self.assertEqual(k.get(i), t)
589
self.assertEqual(k.annotate('merge'),
590
[('text0', 'header'),
592
('text1', 'line from 1'),
593
('merge', 'fixup line'),
594
('text2', 'line from 2'),
578
self.assertEqual(k.annotate(3),
597
self.assertEqual(list(k.get_ancestry(['merge'])),
598
['text0', 'text1', 'text2', 'merge'])
586
self.assertEqual(list(k.inclusions([3])),
600
589
self.log('k._weave=' + pformat(k._weave))
634
k.add_lines([], ['aaa', 'bbb'])
635
k.add_lines([0], ['111', 'aaa', 'ccc', 'bbb'])
636
k.add_lines([1], ['aaa', 'ccc', 'bbb', '222'])
624
k.add([], ['aaa', 'bbb'])
625
k.add([0], ['111', 'aaa', 'ccc', 'bbb'])
626
k.add([1], ['aaa', 'ccc', 'bbb', '222'])
632
class AutoMerge(TestBase):
636
texts = [['header', 'aaa', 'bbb'],
637
['header', 'aaa', 'line from 1', 'bbb'],
638
['header', 'aaa', 'bbb', 'line from 2', 'more from 2'],
641
k.add('text0', [], texts[0])
642
k.add('text1', [0], texts[1])
643
k.add('text2', [0], texts[2])
645
self.log('k._weave=' + pformat(k._weave))
647
m = list(k.mash_iter([0, 1, 2]))
653
'line from 2', 'more from 2'])
639
657
class Khayyam(TestBase):
640
658
"""Test changes to multi-line texts, and read/write"""
642
def test_multi_line_merge(self):
644
661
"""A Book of Verses underneath the Bough,
645
662
A Jug of Wine, a Loaf of Bread, -- and Thou
674
ver = k.add_lines('text%d' % i,
691
ver = k.add('text%d' % i,
675
692
list(parents), t)
676
parents.add('text%d' % i)
679
696
self.log("k._weave=" + pformat(k._weave))
681
698
for i, t in enumerate(texts):
682
self.assertEqual(k.get_lines(i), t)
699
self.assertEqual(k.get(i), t)
684
701
self.check_read_write(k)
705
class MergeCases(TestBase):
706
def doMerge(self, base, a, b, mp):
707
from cStringIO import StringIO
708
from textwrap import dedent
714
w.add('text0', [], map(addcrlf, base))
715
w.add('text1', [0], map(addcrlf, a))
716
w.add('text2', [0], map(addcrlf, b))
718
self.log('weave is:')
721
self.log(tmpf.getvalue())
723
self.log('merge plan:')
724
p = list(w.plan_merge(1, 2))
725
for state, line in p:
727
self.log('%12s | %s' % (state, line[:-1]))
731
mt.writelines(w.weave_merge(p))
733
self.log(mt.getvalue())
735
mp = map(addcrlf, mp)
736
self.assertEqual(mt.readlines(), mp)
739
def testOneInsert(self):
745
def testSeparateInserts(self):
746
self.doMerge(['aaa', 'bbb', 'ccc'],
747
['aaa', 'xxx', 'bbb', 'ccc'],
748
['aaa', 'bbb', 'yyy', 'ccc'],
749
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'])
751
def testSameInsert(self):
752
self.doMerge(['aaa', 'bbb', 'ccc'],
753
['aaa', 'xxx', 'bbb', 'ccc'],
754
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'],
755
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'])
757
def testOverlappedInsert(self):
758
self.doMerge(['aaa', 'bbb'],
759
['aaa', 'xxx', 'yyy', 'bbb'],
760
['aaa', 'xxx', 'bbb'],
761
['aaa', '<<<<<<<', 'xxx', 'yyy', '=======', 'xxx',
764
# really it ought to reduce this to
765
# ['aaa', 'xxx', 'yyy', 'bbb']
768
def testClashReplace(self):
769
self.doMerge(['aaa'],
772
['<<<<<<<', 'xxx', '=======', 'yyy', 'zzz',
775
def testNonClashInsert(self):
776
self.doMerge(['aaa'],
779
['<<<<<<<', 'xxx', 'aaa', '=======', 'yyy', 'zzz',
782
self.doMerge(['aaa'],
788
def testDeleteAndModify(self):
789
"""Clashing delete and modification.
791
If one side modifies a region and the other deletes it then
792
there should be a conflict with one side blank.
795
#######################################
796
# skippd, not working yet
799
self.doMerge(['aaa', 'bbb', 'ccc'],
800
['aaa', 'ddd', 'ccc'],
802
['<<<<<<<<', 'aaa', '=======', '>>>>>>>', 'ccc'])
687
805
class JoinWeavesTests(TestBase):
689
807
super(JoinWeavesTests, self).setUp()
690
808
self.weave1 = Weave()
691
809
self.lines1 = ['hello\n']
692
810
self.lines3 = ['hello\n', 'cruel\n', 'world\n']
693
self.weave1.add_lines('v1', [], self.lines1)
694
self.weave1.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
695
self.weave1.add_lines('v3', ['v2'], self.lines3)
811
self.weave1.add('v1', [], self.lines1)
812
self.weave1.add('v2', [0], ['hello\n', 'world\n'])
813
self.weave1.add('v3', [1], self.lines3)
697
815
def test_join_empty(self):
698
816
"""Join two empty weaves."""
732
850
['hello\n', 'pale blue\n', 'world\n'])
734
852
def test_join_parent_disagreement(self):
735
#join reconciles differening parents into a union.
853
"""Cannot join weaves with different parents for a version."""
738
wa.add_lines('v1', [], ['hello\n'])
739
wb.add_lines('v0', [], [])
740
wb.add_lines('v1', ['v0'], ['hello\n'])
742
self.assertEqual(['v0'], wa.get_parents('v1'))
856
wa.add('v1', [], ['hello\n'])
858
wb.add('v1', ['v0'], ['hello\n'])
859
self.assertRaises(WeaveError,
744
862
def test_join_text_disagreement(self):
745
863
"""Cannot join weaves with different texts for a version."""
748
wa.add_lines('v1', [], ['hello\n'])
749
wb.add_lines('v1', [], ['not\n', 'hello\n'])
866
wa.add('v1', [], ['hello\n'])
867
wb.add('v1', [], ['not\n', 'hello\n'])
750
868
self.assertRaises(WeaveError,
756
874
The source weave contains a different version at index 0."""
757
875
wa = self.weave1.copy()
759
wb.add_lines('x1', [], ['line from x1\n'])
760
wb.add_lines('v1', [], ['hello\n'])
761
wb.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
877
wb.add('x1', [], ['line from x1\n'])
878
wb.add('v1', [], ['hello\n'])
879
wb.add('v2', ['v1'], ['hello\n', 'world\n'])
763
881
eq = self.assertEquals
764
eq(sorted(wa.versions()), ['v1', 'v2', 'v3', 'x1',])
882
eq(sorted(wa.iter_names()), ['v1', 'v2', 'v3', 'x1',])
765
883
eq(wa.get_text('x1'), 'line from x1\n')
767
def test_written_detection(self):
768
# Test detection of weave file corruption.
770
# Make sure that we can detect if a weave file has
771
# been corrupted. This doesn't test all forms of corruption,
772
# but it at least helps verify the data you get, is what you want.
773
from cStringIO import StringIO
776
w.add_lines('v1', [], ['hello\n'])
777
w.add_lines('v2', ['v1'], ['hello\n', 'there\n'])
782
# Because we are corrupting, we need to make sure we have the exact text
783
self.assertEquals('# bzr weave file v5\n'
784
'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
785
'i 0\n1 90f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
786
'w\n{ 0\n. hello\n}\n{ 1\n. there\n}\nW\n',
789
# Change a single letter
790
tmpf = StringIO('# bzr weave file v5\n'
791
'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
792
'i 0\n1 90f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
793
'w\n{ 0\n. hello\n}\n{ 1\n. There\n}\nW\n')
797
self.assertEqual('hello\n', w.get_text('v1'))
798
self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
799
self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
800
self.assertRaises(errors.WeaveInvalidChecksum, w.check)
802
# Change the sha checksum
803
tmpf = StringIO('# bzr weave file v5\n'
804
'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
805
'i 0\n1 f0f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
806
'w\n{ 0\n. hello\n}\n{ 1\n. there\n}\nW\n')
810
self.assertEqual('hello\n', w.get_text('v1'))
811
self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
812
self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
813
self.assertRaises(errors.WeaveInvalidChecksum, w.check)
816
class InstrumentedWeave(Weave):
817
"""Keep track of how many times functions are called."""
819
def __init__(self, weave_name=None):
820
self._extract_count = 0
821
Weave.__init__(self, weave_name=weave_name)
823
def _extract(self, versions):
824
self._extract_count += 1
825
return Weave._extract(self, versions)
828
class JoinOptimization(TestCase):
829
"""Test that Weave.join() doesn't extract all texts, only what must be done."""
832
w1 = InstrumentedWeave()
833
w2 = InstrumentedWeave()
836
txt1 = ['a\n', 'b\n']
837
txt2 = ['a\n', 'c\n']
838
txt3 = ['a\n', 'b\n', 'c\n']
840
w1.add_lines('txt0', [], txt0) # extract 1a
841
w2.add_lines('txt0', [], txt0) # extract 1b
842
w1.add_lines('txt1', ['txt0'], txt1)# extract 2a
843
w2.add_lines('txt2', ['txt0'], txt2)# extract 2b
844
w1.join(w2) # extract 3a to add txt2
845
w2.join(w1) # extract 3b to add txt1
847
w1.add_lines('txt3', ['txt1', 'txt2'], txt3) # extract 4a
848
w2.add_lines('txt3', ['txt2', 'txt1'], txt3) # extract 4b
849
# These secretly have inverted parents
851
# This should not have to do any extractions
852
w1.join(w2) # NO extract, texts already present with same parents
853
w2.join(w1) # NO extract, texts already present with same parents
855
self.assertEqual(4, w1._extract_count)
856
self.assertEqual(4, w2._extract_count)
858
def test_double_parent(self):
859
# It should not be considered illegal to add
860
# a revision with the same parent twice
861
w1 = InstrumentedWeave()
862
w2 = InstrumentedWeave()
865
txt1 = ['a\n', 'b\n']
866
txt2 = ['a\n', 'c\n']
867
txt3 = ['a\n', 'b\n', 'c\n']
869
w1.add_lines('txt0', [], txt0)
870
w2.add_lines('txt0', [], txt0)
871
w1.add_lines('txt1', ['txt0'], txt1)
872
w2.add_lines('txt1', ['txt0', 'txt0'], txt1)
873
# Same text, effectively the same, because the
874
# parent is only repeated
875
w1.join(w2) # extract 3a to add txt2
876
w2.join(w1) # extract 3b to add txt1
879
class TestNeedsReweave(TestCase):
880
"""Internal corner cases for when reweave is needed."""
882
def test_compatible_parents(self):
884
my_parents = set([1, 2, 3])
886
self.assertTrue(w1._compatible_parents(my_parents, set([3])))
888
self.assertTrue(w1._compatible_parents(my_parents, set(my_parents)))
889
# same empty corner case
890
self.assertTrue(w1._compatible_parents(set(), set()))
891
# other cannot contain stuff my_parents does not
892
self.assertFalse(w1._compatible_parents(set(), set([1])))
893
self.assertFalse(w1._compatible_parents(my_parents, set([1, 2, 3, 4])))
894
self.assertFalse(w1._compatible_parents(my_parents, set([4])))
897
class TestWeaveFile(TestCaseInTempDir):
899
def test_empty_file(self):
900
f = open('empty.weave', 'wb+')
902
self.assertRaises(errors.WeaveFormatError,