78
79
class StoreText(TestBase):
79
80
"""Store and retrieve a simple text."""
81
def test_storing_text(self):
83
idx = k.add_lines('text0', [], TEXT_0)
84
self.assertEqual(k.get_lines(idx), TEXT_0)
83
idx = k.add('text0', [], TEXT_0)
84
self.assertEqual(k.get(idx), TEXT_0)
85
85
self.assertEqual(idx, 0)
88
89
class AnnotateOne(TestBase):
91
k.add_lines('text0', [], TEXT_0)
92
self.assertEqual(k.annotate('text0'),
93
[('text0', TEXT_0[0])])
92
k.add('text0', [], TEXT_0)
93
self.assertEqual(k.annotate(0),
96
97
class StoreTwo(TestBase):
100
idx = k.add_lines('text0', [], TEXT_0)
101
idx = k.add('text0', [], TEXT_0)
101
102
self.assertEqual(idx, 0)
103
idx = k.add_lines('text1', [], TEXT_1)
104
idx = k.add('text1', [], TEXT_1)
104
105
self.assertEqual(idx, 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):
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"""
113
k.add_lines('text0', [], 'text0')
114
self.assertEqual('34dc0e430c642a26c3dd1c2beb7a8b4f4445eb79',
116
self.assertRaises(errors.RevisionNotPresent,
118
self.assertRaises(errors.RevisionNotPresent,
118
k.add('text0', [], [t], sha1=sha_string(t))
122
122
class InvalidAdd(TestBase):
123
123
"""Try to use invalid version number during add."""
124
124
def runTest(self):
127
self.assertRaises(errors.RevisionNotPresent,
127
self.assertRaises(IndexError,
135
135
"""Add the same version twice; harmless."""
136
136
def runTest(self):
138
idx = k.add_lines('text0', [], TEXT_0)
139
idx2 = k.add_lines('text0', [], TEXT_0)
138
idx = k.add('text0', [], TEXT_0)
139
idx2 = k.add('text0', [], TEXT_0)
140
140
self.assertEqual(idx, idx2)
143
144
class InvalidRepeatedAdd(TestBase):
144
145
def runTest(self):
146
k.add_lines('basis', [], TEXT_0)
147
idx = k.add_lines('text0', [], TEXT_0)
148
self.assertRaises(errors.RevisionAlreadyPresent,
147
idx = k.add('text0', [], TEXT_0)
148
self.assertRaises(WeaveError,
152
152
['not the same text'])
153
self.assertRaises(errors.RevisionAlreadyPresent,
153
self.assertRaises(WeaveError,
156
['basis'], # not the right parents
156
[12], # not the right parents
160
161
class InsertLines(TestBase):
161
162
"""Store a revision that adds one line to the original.
165
166
def runTest(self):
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),
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),
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')])
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')])
188
189
text3 = ['line 1', 'middle line', 'line 2']
193
194
# self.log("changes to text3: " + pformat(list(k._delta(set([0, 1]), text3))))
195
196
self.log("k._weave=" + pformat(k._weave))
197
self.assertEqual(k.annotate('text3'),
198
[('text0', 'line 1'),
199
('text3', 'middle line'),
200
('text1', 'line 2')])
198
self.assertEqual(k.annotate(3),
202
203
# now multiple insertions at different places
204
['text0', 'text1', 'text3'],
205
206
['line 1', 'aaa', 'middle line', 'bbb', 'line 2', 'ccc'])
207
self.assertEqual(k.annotate('text4'),
208
[('text0', 'line 1'),
210
('text3', 'middle line'),
208
self.assertEqual(k.annotate(4),
216
218
class DeleteLines(TestBase):
576
567
['header', '', 'line from 1', 'fixup line', 'line from 2'],
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])
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])
584
575
for i, t in enumerate(texts):
585
self.assertEqual(k.get_lines(i), t)
576
self.assertEqual(k.get(i), t)
587
self.assertEqual(k.annotate('merge'),
588
[('text0', 'header'),
590
('text1', 'line from 1'),
591
('merge', 'fixup line'),
592
('text2', 'line from 2'),
578
self.assertEqual(k.annotate(3),
595
self.assertEqual(list(k.get_ancestry(['merge'])),
596
['text0', 'text1', 'text2', 'merge'])
586
self.assertEqual(list(k.inclusions([3])),
598
589
self.log('k._weave=' + pformat(k._weave))
632
k.add_lines([], ['aaa', 'bbb'])
633
k.add_lines([0], ['111', 'aaa', 'ccc', 'bbb'])
634
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'])
637
657
class Khayyam(TestBase):
638
658
"""Test changes to multi-line texts, and read/write"""
640
def test_multi_line_merge(self):
642
661
"""A Book of Verses underneath the Bough,
643
662
A Jug of Wine, a Loaf of Bread, -- and Thou
672
ver = k.add_lines('text%d' % i,
691
ver = k.add('text%d' % i,
673
692
list(parents), t)
674
parents.add('text%d' % i)
677
696
self.log("k._weave=" + pformat(k._weave))
679
698
for i, t in enumerate(texts):
680
self.assertEqual(k.get_lines(i), t)
699
self.assertEqual(k.get(i), t)
682
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'])
685
805
class JoinWeavesTests(TestBase):
687
807
super(JoinWeavesTests, self).setUp()
688
808
self.weave1 = Weave()
689
809
self.lines1 = ['hello\n']
690
810
self.lines3 = ['hello\n', 'cruel\n', 'world\n']
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)
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)
695
815
def test_join_empty(self):
696
816
"""Join two empty weaves."""
708
828
def test_join_unrelated(self):
709
829
"""Join two weaves with no history in common."""
711
wb.add_lines('b1', [], ['line from b\n'])
831
wb.add('b1', [], ['line from b\n'])
714
834
eq = self.assertEqual
716
eq(sorted(w1.versions()),
836
eq(sorted(list(w1.iter_names())),
717
837
['b1', 'v1', 'v2', 'v3'])
719
839
def test_join_related(self):
720
840
wa = self.weave1.copy()
721
841
wb = self.weave1.copy()
722
wa.add_lines('a1', ['v3'], ['hello\n', 'sweet\n', 'world\n'])
723
wb.add_lines('b1', ['v3'], ['hello\n', 'pale blue\n', 'world\n'])
842
wa.add('a1', ['v3'], ['hello\n', 'sweet\n', 'world\n'])
843
wb.add('b1', ['v3'], ['hello\n', 'pale blue\n', 'world\n'])
724
844
eq = self.assertEquals
730
850
['hello\n', 'pale blue\n', 'world\n'])
732
852
def test_join_parent_disagreement(self):
733
#join reconciles differening parents into a union.
853
"""Cannot join weaves with different parents for a version."""
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'))
856
wa.add('v1', [], ['hello\n'])
858
wb.add('v1', ['v0'], ['hello\n'])
859
self.assertRaises(WeaveError,
742
862
def test_join_text_disagreement(self):
743
863
"""Cannot join weaves with different texts for a version."""
746
wa.add_lines('v1', [], ['hello\n'])
747
wb.add_lines('v1', [], ['not\n', 'hello\n'])
866
wa.add('v1', [], ['hello\n'])
867
wb.add('v1', [], ['not\n', 'hello\n'])
748
868
self.assertRaises(WeaveError,
754
874
The source weave contains a different version at index 0."""
755
875
wa = self.weave1.copy()
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'])
877
wb.add('x1', [], ['line from x1\n'])
878
wb.add('v1', [], ['hello\n'])
879
wb.add('v2', ['v1'], ['hello\n', 'world\n'])
761
881
eq = self.assertEquals
762
eq(sorted(wa.versions()), ['v1', 'v2', 'v3', 'x1',])
882
eq(sorted(wa.iter_names()), ['v1', 'v2', 'v3', 'x1',])
763
883
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])))