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from bzrlib import (
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    check,
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    osutils,
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    revision as _mod_revision,
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    )
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from bzrlib.errors import PointlessCommit
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from bzrlib.tests import (
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from bzrlib.tests.features import (
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    SymlinkFeature,
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    )
 
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from bzrlib.tests.matchers import RevisionHistoryMatches
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class TestCommitMerge(TestCaseWithTransport):
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        self.assertEquals(by.revno(), 3)
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        graph = wty.branch.repository.get_graph()
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        self.addCleanup(wty.lock_read().unlock)
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        self.assertEquals(list(
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            graph.iter_lefthand_ancestry(by.last_revision(),
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                [_mod_revision.NULL_REVISION])),
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            ['y@u-0-2', 'y@u-0-1', base_rev])
 
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        self.assertThat(by,
 
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            RevisionHistoryMatches([base_rev, 'y@u-0-1', 'y@u-0-2'])
 
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            )
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        rev = by.repository.get_revision('y@u-0-2')
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        self.assertEquals(rev.parent_ids,
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                          ['y@u-0-1', 'x@u-0-1'])