content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.bigtop.itest.hadoop.hdfs;
  
  import org.apache.bigtop.itest.shell.Shell;
  import org.apache.commons.lang.StringUtils;
  import org.apache.hadoop.cli.TestHDFSCLI;
  import org.apache.hadoop.fs.CommonConfigurationKeys;
  import org.apache.hadoop.hdfs.DFSConfigKeys;
  import org.apache.hadoop.hdfs.HdfsConfiguration;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  
  import java.io.File;
  
  public class TestDFSCLI extends TestHDFSCLI {
    public static final String TEST_DIR_ABSOLUTE = "/tmp/testcli_" + Long.valueOf(System.currentTimeMillis());
    public static String NAMENODE_TESTDIR_HACK;
    private String supergroup;
    private static Shell shHDFS = new Shell("/bin/bash");
  
    @Before
    @Override
    public void setUp() throws Exception {
      readTestConfigFile();
  
      // Configuration of real Hadoop cluster
      conf = new HdfsConfiguration();
      supergroup = System.getProperty("hcfs.root.groupname",
          conf.get(DFSConfigKeys.DFS_PERMISSIONS_SUPERUSERGROUP_KEY));
      namenode = conf.get(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY);
      username = System.getProperty("user.name");
  
      conf.setBoolean(CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION, true);
      // Many of the tests expect a replication value of 1 in the output
      conf.setInt("dfs.replication", 1);
  
      clitestDataDir = new File(TEST_CACHE_DATA_DIR).toURI().toString().replace(' ', '+');
  
      String[] createTestcliDirCmds = {
          "hadoop fs -mkdir -p " + TEST_DIR_ABSOLUTE,
          "hadoop fs -chmod 777 " + TEST_DIR_ABSOLUTE
      };
      shHDFS.exec((Object[])createTestcliDirCmds);
  
      // Check assumptions which would make some cases fail if not met
      Assert.assertEquals("Creation of testcli dir should succeed and return 0"
          + " (but it failed with the following error message: "
          + StringUtils.join(shHDFS.getErr().toArray(), "\\n") + ")",
          0, shHDFS.getRet());
      // We can't just use conf.setInt(fs.trash.interval", 0) because if trash is
      // enabled on the server, client configuration value is ignored.
      Assert.assertEquals("HDFS trash should be disabled via fs.trash.interval",
          0, conf.getInt("fs.trash.interval", 0));
      Assert.assertEquals("This test needs to be run under root user of hcfs",
          System.getProperty("hcfs.root.username", "hdfs"), username);
    }
  
    @After
    @Override
    public void tearDown() throws Exception {
      super.tearDown();
  
      String removeTestcliDirCmd = "hadoop fs -rm -r " + TEST_DIR_ABSOLUTE;
      shHDFS.exec(removeTestcliDirCmd);
    }
  
    @Override
    protected String getTestFile() {
      return "testDFSConf.xml";
    }
  
    /**
     * Expand commands from the test config file.
     * This method is used in displayResults() and compareTestOutput() only,
     * so it doesn't have any effect on the test execution itself.
     *
     * @param cmd executed command
     * @return String expanded command
     */
    @Override
    protected String expandCommand(String cmd) {
      String expCmd = super.expandCommand(cmd);
      // note: super.expandCommand() expands CLITEST_DATA and USERNAME
      expCmd = expCmd.replaceAll("NAMENODETEST_DIR_ABSOLUTE", NAMENODE_TESTDIR_HACK);
      expCmd = expCmd.replaceAll("TEST_DIR_ABSOLUTE", TEST_DIR_ABSOLUTE);
      expCmd = expCmd.replaceAll("supergroup", supergroup);
      expCmd = expCmd.replaceAll("NAMENODE", namenode);
      expCmd = expCmd.replaceAll("USER_NAME", System.getProperty("user.name"));
      return expCmd;
    }
  }
  