branch-2.0.4-alpha/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHDFSFileSystemContract.java

/**
 * 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.hadoop.hdfs;

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FileSystemContractBaseTest;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.security.UserGroupInformation;

public class TestHDFSFileSystemContract extends FileSystemContractBaseTest {
  
  private MiniDFSCluster cluster;
  private String defaultWorkingDirectory;

  @Override
  protected void setUp() throws Exception {
    Configuration conf = new HdfsConfiguration();
    conf.set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY,
        FileSystemContractBaseTest.TEST_UMASK);
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
    fs = cluster.getFileSystem();
    defaultWorkingDirectory = "/user/" + 
           UserGroupInformation.getCurrentUser().getShortUserName();
  }
  
  @Override
  protected void tearDown() throws Exception {
    super.tearDown();
    cluster.shutdown();
  }

  @Override
  protected String getDefaultWorkingDirectory() {
    return defaultWorkingDirectory;
  }

  public void testAppend() throws IOException {
    AppendTestUtil.testAppend(fs, new Path("/testAppend/f"));
  }
}