@Test
public void testGetInfoServer() throws IOException {
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(HADOOP_SECURITY_AUTHENTICATION, "kerberos");
UserGroupInformation.setConfiguration(conf);
String httpsport = DFSUtil.getInfoServer(null, conf, true);
assertEquals("0.0.0.0:" + DFS_NAMENODE_HTTPS_PORT_DEFAULT, httpsport);
String httpport = DFSUtil.getInfoServer(null, conf, false);
assertEquals("0.0.0.0:" + DFS_NAMENODE_HTTP_PORT_DEFAULT, httpport);
String httpAddress =
DFSUtil.getInfoServer(new InetSocketAddress("localhost", 8020), conf, false);
assertEquals("localhost:" + DFS_NAMENODE_HTTP_PORT_DEFAULT, httpAddress);
}