'Test handling of an unknown partitioner.'

def test_refresh_nodes_and_tokens_no_partitioner(self):

    self.connection.local_results[1][0][4] = None
    self.control_connection.refresh_node_list_and_token_map()
    meta = self.cluster.metadata
    self.assertEqual(meta.partitioner, None)
    self.assertEqual(meta.token_map, {})
