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Viewing changes to bzrlib/tests/test_weave.py

  • Committer: Robert Collins
  • Date: 2006-03-01 02:01:47 UTC
  • mto: (1594.2.4 integration)
  • mto: This revision was merged to the branch mainline in revision 1596.
  • Revision ID: robertc@robertcollins.net-20060301020147-62bb5465f75fbf40
Start check tests for knits (pending), and remove dead code.

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bzrlib/tests/test_weave.py
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        eq(sorted(wa.iter_names()), ['v1', 'v2', 'v3', 'x1',])
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        eq(wa.get_text('x1'), 'line from x1\n')
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class Corruption(TestCase):
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    def test_detection(self):
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        # Test weaves detect corruption.
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        #
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        # Weaves contain a checksum of their texts.
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        # When a text is extracted, this checksum should be
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        # verified.
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        w = Weave()
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        w.add('v1', [], ['hello\n'])
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        w.add('v2', ['v1'], ['hello\n', 'there\n'])
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        # We are going to invasively corrupt the text
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        # Make sure the internals of weave are the same
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        self.assertEqual([('{', 0)
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                        , 'hello\n'
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                        , ('}', None)
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                        , ('{', 1)
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                        , 'there\n'
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                        , ('}', None)
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                        ], w._weave)
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        self.assertEqual(['f572d396fae9206628714fb2ce00f72e94f2258f'
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                        , '90f265c6e75f1c8f9ab76dcf85528352c5f215ef'
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                        ], w._sha1s)
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        w.check()
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        # Corrupted
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        w._weave[4] = 'There\n'
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        self.assertEqual('hello\n', w.get_text('v1'))
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        self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
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        self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
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        self.assertRaises(errors.WeaveInvalidChecksum, list, w.get_iter('v2'))
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        self.assertRaises(errors.WeaveInvalidChecksum, w.check)
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        # Corrected
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        w._weave[4] = 'there\n'
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        self.assertEqual('hello\nthere\n', w.get_text('v2'))
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        #Invalid checksum, first digit changed
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        w._sha1s[1] =  'f0f265c6e75f1c8f9ab76dcf85528352c5f215ef'
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        self.assertEqual('hello\n', w.get_text('v1'))
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        self.assertRaises(errors.WeaveInvalidChecksum, w.get_text, 'v2')
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        self.assertRaises(errors.WeaveInvalidChecksum, w.get_lines, 'v2')
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        self.assertRaises(errors.WeaveInvalidChecksum, list, w.get_iter('v2'))
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        self.assertRaises(errors.WeaveInvalidChecksum, w.check)
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    def test_written_detection(self):
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        # Test detection of weave file corruption.
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        #