/**
* 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.streaming;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URI;
import java.util.zip.GZIPOutputStream;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapred.MiniMRCluster;
/**
* This class tests that the '-file' argument to streaming results
* in files being unpacked in the job working directory.
*/
public class TestFileArgs extends TestStreaming
{
private MiniMRCluster mr = null;
private FileSystem fileSys = null;
private String strJobTracker = null;
private Configuration conf = null;
private MiniDFSCluster dfs = null;
private String strNamenode = null;
private String namenode = null;
private File SIDE_FILE;
private static final String LS_PATH = "/bin/ls";
public TestFileArgs() throws IOException {
super();
outputExpect = "job.jar\t\nsidefile\t\ntmp\t\n";
conf = new Configuration();
dfs = new MiniDFSCluster(conf, 1, true, null);
fileSys = dfs.getFileSystem();
namenode = fileSys.getUri().getAuthority();
mr = new MiniMRCluster(1, namenode, 1);
strJobTracker = "mapred.job.tracker=" + "localhost:" + mr.getJobTrackerPort();
strNamenode = "fs.default.name=" + namenode;
}
@Override
protected void createInput() throws IOException {
// Since ls doesn't read stdin, we don't want to write anything
// to it, or else we risk Broken Pipe exceptions.
input = "";
super.createInput();
SIDE_FILE = new File(TEST_DIR, "sidefile");
DataOutputStream dos = new DataOutputStream(
new FileOutputStream(SIDE_FILE.getAbsoluteFile()));
dos.write("hello world\n".getBytes("UTF-8"));
dos.close();
}
@Override
protected String[] genArgs() {
return new String[] {
"-input", "file://" + INPUT_FILE.getAbsolutePath(),
"-output", "file://" + OUTPUT_DIR.getAbsolutePath(),
"-file", SIDE_FILE.getAbsolutePath(),
"-mapper", LS_PATH,
"-numReduceTasks", "0",
"-jobconf", strNamenode,
"-jobconf", strJobTracker,
"-jobconf", "stream.tmpdir=" + System.getProperty("test.build.data","/tmp")
};
}
public static void main(String[]args) throws Exception
{
new TestFileArgs().testCommandLine();
}
}