def test_bool(self):
        prio_set_list = event._PrioritizedSetList()

        assert bool(prio_set_list) is False

        prio_set_list.add(0, None)
        assert bool(prio_set_list) is True
def test_should_encode_empty_node(self):
        a = Node()
        encoded = cypher_repr(a, node_template="{labels} {properties}")
        assert encoded == u"({})"