def test_subsume_partition(self):
ontology = Ontology(path)
classes = [':vehicle', ':truck', ':object',
':physobj', ':package', 'owl:NamedIndividual']
result = ontology.partition(classes)
self.assertEqual(3, len(result))
expected = {':truck', ':vehicle', ':object', ':physobj'}
self.assertEqual(expected, set(result[0]))
