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Viewing changes to bzrlib/tests/test_index.py

  • Committer: Andrew Bennetts
  • Date: 2010-03-17 11:36:48 UTC
  • mto: This revision was merged to the branch mainline in revision 5141.
  • Revision ID: andrew.bennetts@canonical.com-20100317113648-4wvic5ii5b6xx8po
Add test for CombinedGraphIndex's auto-reordering behaviour.

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bzrlib/tests/test_index.py
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        self.assertListRaises(errors.NoSuchFile, index.iter_entries_prefix,
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                                                 [('1',)])
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    def test_reorder_after_iter_entries(self):
 
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        # Four indices: [key1] in index1, [key2,key3] in index2, [] in index3,
 
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        # [key4] in index4.
 
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        index = CombinedGraphIndex([])
 
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        index1 = self.make_index('name1', 0, nodes=[(('key1', ), '', ())])
 
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        index2 = self.make_index('name2', 0,
 
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            nodes=[(('key2', ), '', ()), (('key3', ), '', ())])
 
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        index3 = self.make_index('name3', 0, nodes=[])
 
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        index4 = self.make_index('name4', 0, nodes=[(('key4', ), '', ())])
 
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        index.insert_index(0, index1, '1')
 
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        index.insert_index(1, index2, '2')
 
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        index.insert_index(2, index3, '3')
 
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        index.insert_index(3, index4, '4')
 
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        # Query a key from index4 and index2.
 
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        self.assertLength(2, list(index.iter_entries([('key4',), ('key2',)])))
 
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        # Now index2 and index4 should be moved to the front (and index1 should
 
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        # still be before index3).
 
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        self.assertEqual([index2, index4, index1, index3], index._indices)
 
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        self.assertEqual(['2', '4', '1', '3'], index._index_names)
 
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    def test_validate_reloads(self):
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        index, reload_counter = self.make_combined_index_with_missing()
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        index.validate()