DistCh extends DistTool { DistCh(Configuration conf) { super(createJobConf(conf)); } DistCh(Configuration conf); int run(String[] args); static void main(String[] args);  }
@Test public void testDistCh() throws Exception { final Configuration conf = new Configuration(); conf.set(CapacitySchedulerConfiguration.PREFIX+CapacitySchedulerConfiguration.ROOT+"."+CapacitySchedulerConfiguration.QUEUES, "default"); conf.set(CapacitySchedulerConfiguration.PREFIX+CapacitySchedulerConfiguration.ROOT+".default."+CapacitySchedulerConfiguration.CAPACITY, "100"); final MiniDFSCluster cluster= new MiniDFSCluster.Builder(conf).numDataNodes(2).format(true).build(); final FileSystem fs = cluster.getFileSystem(); final FsShell shell = new FsShell(conf); try { final FileTree tree = new FileTree(fs, "testDistCh"); final FileStatus rootstatus = fs.getFileStatus(tree.rootdir); runLsr(shell, tree.root, 0); final String[] args = new String[NUN_SUBS]; final ChPermissionStatus[] newstatus = new ChPermissionStatus[NUN_SUBS]; args[0]="/test/testDistCh/sub0:sub1::"; newstatus[0] = new ChPermissionStatus(rootstatus, "sub1", "", ""); args[1]="/test/testDistCh/sub1::sub2:"; newstatus[1] = new ChPermissionStatus(rootstatus, "", "sub2", ""); args[2]="/test/testDistCh/sub2:::437"; newstatus[2] = new ChPermissionStatus(rootstatus, "", "", "437"); args[3]="/test/testDistCh/sub3:sub1:sub2:447"; newstatus[3] = new ChPermissionStatus(rootstatus, "sub1", "sub2", "447"); args[4]="/test/testDistCh/sub4::sub5:437"; newstatus[4] = new ChPermissionStatus(rootstatus, "", "sub5", "437"); args[5]="/test/testDistCh/sub5:sub1:sub5:"; newstatus[5] = new ChPermissionStatus(rootstatus, "sub1", "sub5", ""); args[6]="/test/testDistCh/sub6:sub3::437"; newstatus[6] = new ChPermissionStatus(rootstatus, "sub3", "", "437"); System.out.println("args=" + Arrays.asList(args).toString().replace(",", ",\n ")); System.out.println("newstatus=" + Arrays.asList(newstatus).toString().replace(",", ",\n ")); new DistCh(MiniMRClientClusterFactory.create(this.getClass(), 2, conf).getConfig()).run(args); runLsr(shell, tree.root, 0); for(int i = 0; i < NUN_SUBS; i++) { Path sub = new Path(tree.root + "/sub" + i); checkFileStatus(newstatus[i], fs.getFileStatus(sub)); for(FileStatus status : fs.listStatus(sub)) { checkFileStatus(newstatus[i], status); } } } finally { cluster.shutdown(); } }