def exportValue(self, vf, value):
        m = StrStrHashMap(value)
        keysAndValues = []
        for i in m.keys():
            keysAndValues.append(i)
            keysAndValues.append(m[i])
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)