def test_recursive_traversal(self):
obr = Segment('OBR')
obr.obr_26 = 'xxx&yyy^zzz^www'
by_name = obr.parent_result.parent_observation_identifier
by_position = obr.obr_26.obr_26_1
self.assertEqual(by_name[0], by_position[0]) # bug!
def test_traversal_equality(self):
obr = Segment('OBR')
obr.obr_26 = 'xxx&yyy^zzz^www'
obr_26 = obr.parent_result
self.assertTrue(isinstance(obr_26, ElementProxy))
self.assertTrue(obr_26[0] == obr.obr_26[0], 'obr.parent_result != obr.obr_26')
