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Viewing changes to breezy/tests/test__known_graph.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__known_graph.py
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import pprint
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from breezy import (
 
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from .. import (
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    errors,
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    _known_graph_py,
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    tests,
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    )
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from breezy.tests import test_graph
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from breezy.revision import NULL_REVISION
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from breezy.tests.scenarios import load_tests_apply_scenarios
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from breezy.tests import (
 
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from . import test_graph
 
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from ..revision import NULL_REVISION
 
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from .scenarios import load_tests_apply_scenarios
 
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from . import (
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    features,
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    )
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    def test_heads_null(self):
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        graph = self.make_known_graph(test_graph.ancestry_1)
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        self.assertEqual(set(['null:']), graph.heads(['null:']))
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        self.assertEqual(set(['rev1']), graph.heads(['null:', 'rev1']))
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        self.assertEqual(set(['rev1']), graph.heads(['rev1', 'null:']))
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        self.assertEqual(set(['rev1']), graph.heads(set(['rev1', 'null:'])))
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        self.assertEqual(set(['rev1']), graph.heads(('rev1', 'null:')))
 
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        self.assertEqual({'null:'}, graph.heads(['null:']))
 
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        self.assertEqual({'rev1'}, graph.heads(['null:', 'rev1']))
 
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        self.assertEqual({'rev1'}, graph.heads(['rev1', 'null:']))
 
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        self.assertEqual({'rev1'}, graph.heads({'rev1', 'null:'}))
 
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        self.assertEqual({'rev1'}, graph.heads(('rev1', 'null:')))
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    def test_heads_one(self):
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        # A single node will always be a head
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        graph = self.make_known_graph(test_graph.ancestry_1)
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        self.assertEqual(set(['null:']), graph.heads(['null:']))
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        self.assertEqual(set(['rev1']), graph.heads(['rev1']))
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        self.assertEqual(set(['rev2a']), graph.heads(['rev2a']))
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        self.assertEqual(set(['rev2b']), graph.heads(['rev2b']))
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        self.assertEqual(set(['rev3']), graph.heads(['rev3']))
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        self.assertEqual(set(['rev4']), graph.heads(['rev4']))
 
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        self.assertEqual({'null:'}, graph.heads(['null:']))
 
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        self.assertEqual({'rev1'}, graph.heads(['rev1']))
 
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        self.assertEqual({'rev2a'}, graph.heads(['rev2a']))
 
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        self.assertEqual({'rev2b'}, graph.heads(['rev2b']))
 
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        self.assertEqual({'rev3'}, graph.heads(['rev3']))
 
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        self.assertEqual({'rev4'}, graph.heads(['rev4']))
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    def test_heads_single(self):
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        graph = self.make_known_graph(test_graph.ancestry_1)
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        self.assertEqual(set(['rev4']), graph.heads(['null:', 'rev4']))
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        self.assertEqual(set(['rev2a']), graph.heads(['rev1', 'rev2a']))
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        self.assertEqual(set(['rev2b']), graph.heads(['rev1', 'rev2b']))
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        self.assertEqual(set(['rev3']), graph.heads(['rev1', 'rev3']))
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        self.assertEqual(set(['rev3']), graph.heads(['rev3', 'rev2a']))
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        self.assertEqual(set(['rev4']), graph.heads(['rev1', 'rev4']))
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        self.assertEqual(set(['rev4']), graph.heads(['rev2a', 'rev4']))
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        self.assertEqual(set(['rev4']), graph.heads(['rev2b', 'rev4']))
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        self.assertEqual(set(['rev4']), graph.heads(['rev3', 'rev4']))
 
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        self.assertEqual({'rev4'}, graph.heads(['null:', 'rev4']))
 
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        self.assertEqual({'rev2a'}, graph.heads(['rev1', 'rev2a']))
 
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        self.assertEqual({'rev2b'}, graph.heads(['rev1', 'rev2b']))
 
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        self.assertEqual({'rev3'}, graph.heads(['rev1', 'rev3']))
 
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        self.assertEqual({'rev3'}, graph.heads(['rev3', 'rev2a']))
 
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        self.assertEqual({'rev4'}, graph.heads(['rev1', 'rev4']))
 
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        self.assertEqual({'rev4'}, graph.heads(['rev2a', 'rev4']))
 
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        self.assertEqual({'rev4'}, graph.heads(['rev2b', 'rev4']))
 
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        self.assertEqual({'rev4'}, graph.heads(['rev3', 'rev4']))
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    def test_heads_two_heads(self):
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        graph = self.make_known_graph(test_graph.ancestry_1)
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        self.assertEqual(set(['rev2a', 'rev2b']),
 
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        self.assertEqual({'rev2a', 'rev2b'},
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                         graph.heads(['rev2a', 'rev2b']))
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        self.assertEqual(set(['rev3', 'rev2b']),
 
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        self.assertEqual({'rev3', 'rev2b'},
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                         graph.heads(['rev3', 'rev2b']))
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    def test_heads_criss_cross(self):
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        graph = self.make_known_graph(test_graph.criss_cross)
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        self.assertEqual(set(['rev2a']),
 
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        self.assertEqual({'rev2a'},
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                         graph.heads(['rev2a', 'rev1']))
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        self.assertEqual(set(['rev2b']),
 
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        self.assertEqual({'rev2b'},
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                         graph.heads(['rev2b', 'rev1']))
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        self.assertEqual(set(['rev3a']),
 
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        self.assertEqual({'rev3a'},
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                         graph.heads(['rev3a', 'rev1']))
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        self.assertEqual(set(['rev3b']),
 
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        self.assertEqual({'rev3b'},
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                         graph.heads(['rev3b', 'rev1']))
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        self.assertEqual(set(['rev2a', 'rev2b']),
 
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        self.assertEqual({'rev2a', 'rev2b'},
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                         graph.heads(['rev2a', 'rev2b']))
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        self.assertEqual(set(['rev3a']),
 
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        self.assertEqual({'rev3a'},
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                         graph.heads(['rev3a', 'rev2a']))
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        self.assertEqual(set(['rev3a']),
 
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        self.assertEqual({'rev3a'},
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                         graph.heads(['rev3a', 'rev2b']))
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        self.assertEqual(set(['rev3a']),
 
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        self.assertEqual({'rev3a'},
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                         graph.heads(['rev3a', 'rev2a', 'rev2b']))
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        self.assertEqual(set(['rev3b']),
 
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        self.assertEqual({'rev3b'},
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                         graph.heads(['rev3b', 'rev2a']))
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        self.assertEqual(set(['rev3b']),
 
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        self.assertEqual({'rev3b'},
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                         graph.heads(['rev3b', 'rev2b']))
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        self.assertEqual(set(['rev3b']),
 
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        self.assertEqual({'rev3b'},
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                         graph.heads(['rev3b', 'rev2a', 'rev2b']))
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        self.assertEqual(set(['rev3a', 'rev3b']),
 
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        self.assertEqual({'rev3a', 'rev3b'},
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                         graph.heads(['rev3a', 'rev3b']))
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        self.assertEqual(set(['rev3a', 'rev3b']),
 
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        self.assertEqual({'rev3a', 'rev3b'},
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                         graph.heads(['rev3a', 'rev3b', 'rev2a', 'rev2b']))
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    def test_heads_shortcut(self):
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        graph = self.make_known_graph(test_graph.history_shortcut)
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        self.assertEqual(set(['rev2a', 'rev2b', 'rev2c']),
 
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        self.assertEqual({'rev2a', 'rev2b', 'rev2c'},
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                         graph.heads(['rev2a', 'rev2b', 'rev2c']))
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        self.assertEqual(set(['rev3a', 'rev3b']),
 
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        self.assertEqual({'rev3a', 'rev3b'},
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                         graph.heads(['rev3a', 'rev3b']))
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        self.assertEqual(set(['rev3a', 'rev3b']),
 
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        self.assertEqual({'rev3a', 'rev3b'},
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                         graph.heads(['rev2a', 'rev3a', 'rev3b']))
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        self.assertEqual(set(['rev2a', 'rev3b']),
 
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        self.assertEqual({'rev2a', 'rev3b'},
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                         graph.heads(['rev2a', 'rev3b']))
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        self.assertEqual(set(['rev2c', 'rev3a']),
 
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        self.assertEqual({'rev2c', 'rev3a'},
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                         graph.heads(['rev2c', 'rev3a']))
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    def test_heads_linear(self):
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        graph = self.make_known_graph(test_graph.racing_shortcuts)
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        self.assertEqual(set(['w']), graph.heads(['w', 's']))
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        self.assertEqual(set(['z']), graph.heads(['w', 's', 'z']))
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        self.assertEqual(set(['w', 'q']), graph.heads(['w', 's', 'q']))
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        self.assertEqual(set(['z']), graph.heads(['s', 'z']))
 
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        self.assertEqual({'w'}, graph.heads(['w', 's']))
 
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        self.assertEqual({'z'}, graph.heads(['w', 's', 'z']))
 
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        self.assertEqual({'w', 'q'}, graph.heads(['w', 's', 'q']))
 
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        self.assertEqual({'z'}, graph.heads(['s', 'z']))
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    def test_heads_alt_merge(self):
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        graph = self.make_known_graph(alt_merge)
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        self.assertEqual(set(['c']), graph.heads(['a', 'c']))
 
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        self.assertEqual({'c'}, graph.heads(['a', 'c']))
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    def test_heads_with_ghost(self):
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        graph = self.make_known_graph(test_graph.with_ghost)
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        self.assertEqual(set(['e', 'g']), graph.heads(['e', 'g']))
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        self.assertEqual(set(['a', 'c']), graph.heads(['a', 'c']))
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        self.assertEqual(set(['a', 'g']), graph.heads(['a', 'g']))
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        self.assertEqual(set(['f', 'g']), graph.heads(['f', 'g']))
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        self.assertEqual(set(['c']), graph.heads(['c', 'g']))
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        self.assertEqual(set(['c']), graph.heads(['c', 'b', 'd', 'g']))
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        self.assertEqual(set(['a', 'c']), graph.heads(['a', 'c', 'e', 'g']))
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        self.assertEqual(set(['a', 'c']), graph.heads(['a', 'c', 'f']))
 
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        self.assertEqual({'e', 'g'}, graph.heads(['e', 'g']))
 
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        self.assertEqual({'a', 'c'}, graph.heads(['a', 'c']))
 
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        self.assertEqual({'a', 'g'}, graph.heads(['a', 'g']))
 
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        self.assertEqual({'f', 'g'}, graph.heads(['f', 'g']))
 
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        self.assertEqual({'c'}, graph.heads(['c', 'g']))
 
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        self.assertEqual({'c'}, graph.heads(['c', 'b', 'd', 'g']))
 
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        self.assertEqual({'a', 'c'}, graph.heads(['a', 'c', 'e', 'g']))
 
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        self.assertEqual({'a', 'c'}, graph.heads(['a', 'c', 'f']))
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    def test_filling_in_ghosts_resets_head_cache(self):
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        graph = self.make_known_graph(test_graph.with_ghost)
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        self.assertEqual(set(['e', 'g']), graph.heads(['e', 'g']))
 
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        self.assertEqual({'e', 'g'}, graph.heads(['e', 'g']))
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        # 'g' is filled in, and decends from 'e', so the heads result is now
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        # different
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        graph.add_node('g', ['e'])
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        self.assertEqual(set(['g']), graph.heads(['e', 'g']))
 
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        self.assertEqual({'g'}, graph.heads(['e', 'g']))
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class TestKnownGraphTopoSort(TestCaseWithKnownGraph):