def test_contains(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def test_can_encode_relationship(self):
        a = Node(name="Alice")
        b = Node(name="Bob")
        ab = KNOWS(a, b)
        encoded = cypher_repr(ab, related_node_template="{property.name}")
        self.assertEqual("(Alice)-[:KNOWS {}]->(Bob)", encoded)