78
74
class StoreText(TestBase):
79
75
"""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)
78
idx = k.add([], TEXT_0)
79
self.assertEqual(k.get(idx), TEXT_0)
85
80
self.assertEqual(idx, 0)
88
84
class AnnotateOne(TestBase):
91
k.add_lines('text0', [], TEXT_0)
92
self.assertEqual(k.annotate('text0'),
93
[('text0', TEXT_0[0])])
88
self.assertEqual(k.annotate(0),
96
92
class StoreTwo(TestBase):
100
idx = k.add_lines('text0', [], TEXT_0)
96
idx = k.add([], TEXT_0)
101
97
self.assertEqual(idx, 0)
103
idx = k.add_lines('text1', [], TEXT_1)
99
idx = k.add([], TEXT_1)
104
100
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):
102
self.assertEqual(k.get(0), TEXT_0)
103
self.assertEqual(k.get(1), TEXT_1)
105
k.dump(self.TEST_LOG)
109
class DeltaAdd(TestBase):
110
"""Detection of changes prior to inserting new revision."""
113
k.add_lines('text0', [], 'text0')
114
self.assertEqual('34dc0e430c642a26c3dd1c2beb7a8b4f4445eb79',
116
self.assertRaises(errors.RevisionNotPresent,
118
self.assertRaises(errors.RevisionNotPresent,
113
k.add([], ['line 1'])
115
self.assertEqual(k._l,
121
changes = list(k._delta(set([0]),
125
self.log('raw changes: ' + pformat(changes))
127
# currently there are 3 lines in the weave, and we insert after them
128
self.assertEquals(changes,
129
[(3, 3, ['new line'])])
131
changes = k._delta(set([0]),
135
self.assertEquals(list(changes),
136
[(1, 1, ['top line'])])
138
self.check_read_write(k)
122
141
class InvalidAdd(TestBase):
123
142
"""Try to use invalid version number during add."""
124
143
def runTest(self):
127
self.assertRaises(errors.RevisionNotPresent,
146
self.assertRaises(ValueError,
134
class RepeatedAdd(TestBase):
135
"""Add the same version twice; harmless."""
138
idx = k.add_lines('text0', [], TEXT_0)
139
idx2 = k.add_lines('text0', [], TEXT_0)
140
self.assertEqual(idx, idx2)
143
class InvalidRepeatedAdd(TestBase):
146
k.add_lines('basis', [], TEXT_0)
147
idx = k.add_lines('text0', [], TEXT_0)
148
self.assertRaises(errors.RevisionAlreadyPresent,
152
['not the same text'])
153
self.assertRaises(errors.RevisionAlreadyPresent,
156
['basis'], # not the right parents
160
152
class InsertLines(TestBase):
161
153
"""Store a revision that adds one line to the original.
165
157
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),
160
k.add([], ['line 1'])
161
k.add([0], ['line 1', 'line 2'])
163
self.assertEqual(k.annotate(0),
166
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')])
170
self.assertEqual(k.annotate(1),
174
k.add([0], ['line 1', 'diverged line'])
176
self.assertEqual(k.annotate(2),
178
(2, 'diverged line')])
188
180
text3 = ['line 1', 'middle line', 'line 2']
193
# self.log("changes to text3: " + pformat(list(k._delta(set([0, 1]), text3))))
195
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')])
184
self.log("changes to text3: " + pformat(list(k._delta(set([0, 1]), text3))))
186
self.log("k._l=" + pformat(k._l))
188
self.assertEqual(k.annotate(3),
202
193
# now multiple insertions at different places
204
['text0', 'text1', 'text3'],
205
195
['line 1', 'aaa', 'middle line', 'bbb', 'line 2', 'ccc'])
207
self.assertEqual(k.annotate('text4'),
208
[('text0', 'line 1'),
210
('text3', 'middle line'),
197
self.assertEqual(k.annotate(4),
216
207
class DeleteLines(TestBase):
672
ver = k.add_lines('text%d' % i,
674
parents.add('text%d' % i)
678
ver = k.add(list(parents), t)
677
self.log("k._weave=" + pformat(k._weave))
681
self.log("k._l=" + pformat(k._l))
679
683
for i, t in enumerate(texts):
680
self.assertEqual(k.get_lines(i), t)
684
self.assertEqual(k.get(i), t)
682
686
self.check_read_write(k)
685
class JoinWeavesTests(TestBase):
687
super(JoinWeavesTests, self).setUp()
688
self.weave1 = Weave()
689
self.lines1 = ['hello\n']
690
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)
695
def test_join_empty(self):
696
"""Join two empty weaves."""
697
eq = self.assertEqual
703
def test_join_empty_to_nonempty(self):
704
"""Join empty weave onto nonempty."""
705
self.weave1.join(Weave())
706
self.assertEqual(len(self.weave1), 3)
708
def test_join_unrelated(self):
709
"""Join two weaves with no history in common."""
711
wb.add_lines('b1', [], ['line from b\n'])
714
eq = self.assertEqual
716
eq(sorted(w1.versions()),
717
['b1', 'v1', 'v2', 'v3'])
719
def test_join_related(self):
720
wa = self.weave1.copy()
721
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'])
724
eq = self.assertEquals
729
eq(wa.get_lines('b1'),
730
['hello\n', 'pale blue\n', 'world\n'])
732
def test_join_parent_disagreement(self):
733
#join reconciles differening parents into a union.
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'))
742
def test_join_text_disagreement(self):
743
"""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'])
748
self.assertRaises(WeaveError,
751
def test_join_unordered(self):
752
"""Join weaves where indexes differ.
754
The source weave contains a different version at index 0."""
755
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'])
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.
690
class MergeCases(TestBase):
691
def doMerge(self, base, a, b, mp):
771
692
from cStringIO import StringIO
693
from textwrap import dedent
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])))
699
w.add([], map(addcrlf, base))
700
w.add([0], map(addcrlf, a))
701
w.add([0], map(addcrlf, b))
703
self.log('merge plan:')
704
p = list(w.plan_merge(1, 2))
705
for state, line in p:
707
self.log('%12s | %s' % (state, line[:-1]))
711
mt.writelines(w.weave_merge(p))
713
self.log(mt.getvalue())
715
mp = map(addcrlf, mp)
716
self.assertEqual(mt.readlines(), mp)
719
def testOneInsert(self):
725
def testSeparateInserts(self):
726
self.doMerge(['aaa', 'bbb', 'ccc'],
727
['aaa', 'xxx', 'bbb', 'ccc'],
728
['aaa', 'bbb', 'yyy', 'ccc'],
729
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'])
731
def testSameInsert(self):
732
self.doMerge(['aaa', 'bbb', 'ccc'],
733
['aaa', 'xxx', 'bbb', 'ccc'],
734
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'],
735
['aaa', 'xxx', 'bbb', 'yyy', 'ccc'])
737
def testOverlappedInsert(self):
738
self.doMerge(['aaa', 'bbb'],
739
['aaa', 'xxx', 'yyy', 'bbb'],
740
['aaa', 'xxx', 'bbb'],
741
['aaa', '<<<<', 'xxx', 'yyy', '====', 'xxx', '>>>>', 'bbb'])
743
# really it ought to reduce this to
744
# ['aaa', 'xxx', 'yyy', 'bbb']
747
def testClashReplace(self):
748
self.doMerge(['aaa'],
751
['<<<<', 'xxx', '====', 'yyy', 'zzz', '>>>>'])
753
def testNonClashInsert(self):
754
self.doMerge(['aaa'],
757
['<<<<', 'xxx', 'aaa', '====', 'yyy', 'zzz', '>>>>'])
759
self.doMerge(['aaa'],
768
from unittest import TestSuite, TestLoader
773
suite.addTest(tl.loadTestsFromModule(testweave))
775
return int(not testsweet.run_suite(suite)) # for shell 0=true
778
if __name__ == '__main__':
780
sys.exit(testweave())
added
removed
tools/testweave.py
