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Viewing changes to breezy/tests/test_weave.py

  • Committer: Jelmer Vernooij
  • Date: 2017-05-22 00:56:52 UTC
  • mfrom: (6621.2.26 py3_pokes)
  • Revision ID: jelmer@jelmer.uk-20170522005652-yjahcr9hwmjkno7n
Merge Python3 porting work ('py3 pokes')

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breezy/tests/test_weave.py
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from pprint import pformat
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from breezy import (
 
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from .. import (
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    errors,
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    )
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from breezy.osutils import sha_string
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from breezy.tests import TestCase, TestCaseInTempDir
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from breezy.weave import Weave, WeaveFormatError
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from breezy.weavefile import write_weave, read_weave
 
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from ..osutils import sha_string
 
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from ..sixish import (
 
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    BytesIO,
 
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    )
 
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from . import TestCase, TestCaseInTempDir
 
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from ..weave import Weave, WeaveFormatError
 
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from ..weavefile import write_weave, read_weave
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# texts for use in testing
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        # Make sure that we can detect if a weave file has
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        # been corrupted. This doesn't test all forms of corruption,
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        # but it at least helps verify the data you get, is what you want.
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        from cStringIO import StringIO
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        w = Weave()
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        w.add_lines('v1', [], ['hello\n'])
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        w.add_lines('v2', ['v1'], ['hello\n', 'there\n'])
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        tmpf = StringIO()
 
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        tmpf = BytesIO()
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        write_weave(w, tmpf)
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        # Because we are corrupting, we need to make sure we have the exact text
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                          tmpf.getvalue())
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        # Change a single letter
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        tmpf = StringIO('# bzr weave file v5\n'
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                        'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
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                        'i 0\n1 90f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
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                        'w\n{ 0\n. hello\n}\n{ 1\n. There\n}\nW\n')
 
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        tmpf = BytesIO(b'# bzr weave file v5\n'
 
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                       b'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
 
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                       b'i 0\n1 90f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
 
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                       b'w\n{ 0\n. hello\n}\n{ 1\n. There\n}\nW\n')
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        w = read_weave(tmpf)
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        self.assertRaises(errors.WeaveInvalidChecksum, w.check)
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        # Change the sha checksum
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        tmpf = StringIO('# bzr weave file v5\n'
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                        'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
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                        'i 0\n1 f0f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
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                        'w\n{ 0\n. hello\n}\n{ 1\n. there\n}\nW\n')
 
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        tmpf = BytesIO(b'# bzr weave file v5\n'
 
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                       b'i\n1 f572d396fae9206628714fb2ce00f72e94f2258f\nn v1\n\n'
 
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                       b'i 0\n1 f0f265c6e75f1c8f9ab76dcf85528352c5f215ef\nn v2\n\n'
 
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                       b'w\n{ 0\n. hello\n}\n{ 1\n. there\n}\nW\n')
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        w = read_weave(tmpf)
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    def test_compatible_parents(self):
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        w1 = Weave('a')
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        my_parents = set([1, 2, 3])
 
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        my_parents = {1, 2, 3}
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        # subsets are ok
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        self.assertTrue(w1._compatible_parents(my_parents, set([3])))
 
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        self.assertTrue(w1._compatible_parents(my_parents, {3}))
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        # same sets
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        self.assertTrue(w1._compatible_parents(my_parents, set(my_parents)))
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        # same empty corner case
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        self.assertTrue(w1._compatible_parents(set(), set()))
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        # other cannot contain stuff my_parents does not
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        self.assertFalse(w1._compatible_parents(set(), set([1])))
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        self.assertFalse(w1._compatible_parents(my_parents, set([1, 2, 3, 4])))
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        self.assertFalse(w1._compatible_parents(my_parents, set([4])))
 
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        self.assertFalse(w1._compatible_parents(set(), {1}))
 
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        self.assertFalse(w1._compatible_parents(my_parents, {1, 2, 3, 4}))
 
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        self.assertFalse(w1._compatible_parents(my_parents, {4}))
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class TestWeaveFile(TestCaseInTempDir):