def serialized(self):
        to_ret = {}
        for group, requirements in self.items():
            to_ret[group] = [str(requirement) for requirement in requirements]
        return to_ret
def test_should_encode_empty_node(self):
        a = Node()
        encoded = cypher_repr(a, node_template="{labels} {properties}")
        assert encoded == u"({})"