def test_lookup(self):
        assert event.Priority.lookup(event.Priority.CORE) is event.Priority.CORE
        assert event.Priority.lookup(event.Priority.CORE.value) is event.Priority.CORE
        assert event.Priority.lookup(-12312412) == -12312412
def test_should_encode_empty_node(self):
        a = Node()
        encoded = cypher_repr(a, node_template="{labels} {properties}")
        assert encoded == u"({})"