95
84
[('text0', TEXT_0[0])])
98
class StoreTwo(TestBase):
102
idx = k.add_lines('text0', [], TEXT_0)
103
self.assertEqual(idx, 0)
105
idx = k.add_lines('text1', [], TEXT_1)
106
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):
115
k.add_lines('text0', [], 'text0')
116
self.assertEqual('34dc0e430c642a26c3dd1c2beb7a8b4f4445eb79',
118
self.assertRaises(errors.RevisionNotPresent,
120
self.assertRaises(errors.RevisionNotPresent,
124
87
class InvalidAdd(TestBase):
125
88
"""Try to use invalid version number during add."""
126
89
def runTest(self):
693
657
self.weave1.add_lines('v1', [], self.lines1)
694
658
self.weave1.add_lines('v2', ['v1'], ['hello\n', 'world\n'])
695
659
self.weave1.add_lines('v3', ['v2'], self.lines3)
697
def test_join_empty(self):
698
"""Join two empty weaves."""
699
eq = self.assertEqual
705
def test_join_empty_to_nonempty(self):
706
"""Join empty weave onto nonempty."""
707
self.weave1.join(Weave())
708
self.assertEqual(len(self.weave1), 3)
710
def test_join_unrelated(self):
711
"""Join two weaves with no history in common."""
713
wb.add_lines('b1', [], ['line from b\n'])
716
eq = self.assertEqual
718
eq(sorted(w1.versions()),
719
['b1', 'v1', 'v2', 'v3'])
721
def test_join_related(self):
722
wa = self.weave1.copy()
723
wb = self.weave1.copy()
724
wa.add_lines('a1', ['v3'], ['hello\n', 'sweet\n', 'world\n'])
725
wb.add_lines('b1', ['v3'], ['hello\n', 'pale blue\n', 'world\n'])
726
eq = self.assertEquals
731
eq(wa.get_lines('b1'),
732
['hello\n', 'pale blue\n', 'world\n'])
734
def test_join_parent_disagreement(self):
735
#join reconciles differening parents into a union.
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'))
744
def test_join_text_disagreement(self):
745
"""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'])
750
self.assertRaises(WeaveError,
753
def test_join_unordered(self):
754
"""Join weaves where indexes differ.
756
The source weave contains a different version at index 0."""
757
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'])
763
eq = self.assertEquals
764
eq(sorted(wa.versions()), ['v1', 'v2', 'v3', 'x1',])
765
eq(wa.get_text('x1'), 'line from x1\n')
767
661
def test_written_detection(self):
768
662
# Test detection of weave file corruption.
813
707
self.assertRaises(errors.WeaveInvalidChecksum, w.check)
710
class TestWeave(TestCase):
712
def test_allow_reserved_false(self):
713
w = Weave('name', allow_reserved=False)
714
# Add lines is checked at the WeaveFile level, not at the Weave level
715
w.add_lines('name:', [], TEXT_1)
716
# But get_lines is checked at this level
717
self.assertRaises(errors.ReservedId, w.get_lines, 'name:')
719
def test_allow_reserved_true(self):
720
w = Weave('name', allow_reserved=True)
721
w.add_lines('name:', [], TEXT_1)
722
self.assertEqual(TEXT_1, w.get_lines('name:'))
816
725
class InstrumentedWeave(Weave):
817
726
"""Keep track of how many times functions are called."""
825
734
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
737
class TestNeedsReweave(TestCase):
880
738
"""Internal corner cases for when reweave is needed."""