public void checkNameServiceId(Configuration conf, String addr, String expectedNameServiceId) { InetSocketAddress s = NetUtils.createSocketAddr(addr); String nameserviceId = DFSUtil.getNameServiceIdFromAddress( conf, s, DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY, DFS_NAMENODE_RPC_ADDRESS_KEY); assertEquals(expectedNameServiceId, nameserviceId); }