/**
* 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.mapred;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapred.ClusterStatus.BlackListInfo;
import org.apache.hadoop.mapreduce.MRConfig;
import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig;
import org.junit.After;
import org.junit.Assert;
import org.junit.Test;
public class TestJobClient {
final static String TEST_DIR = new File("target",
TestJobClient.class.getSimpleName()).getAbsolutePath();
@After
public void tearDown() {
FileUtil.fullyDelete(new File(TEST_DIR));
}
@Test
public void testGetClusterStatusWithLocalJobRunner() throws Exception {
Configuration conf = new Configuration();
conf.set(JTConfig.JT_IPC_ADDRESS, MRConfig.LOCAL_FRAMEWORK_NAME);
conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.LOCAL_FRAMEWORK_NAME);
JobClient client = new JobClient(conf);
ClusterStatus clusterStatus = client.getClusterStatus(true);
Collection<String> activeTrackerNames = clusterStatus
.getActiveTrackerNames();
Assert.assertEquals(0, activeTrackerNames.size());
int blacklistedTrackers = clusterStatus.getBlacklistedTrackers();
Assert.assertEquals(0, blacklistedTrackers);
Collection<BlackListInfo> blackListedTrackersInfo = clusterStatus
.getBlackListedTrackersInfo();
Assert.assertEquals(0, blackListedTrackersInfo.size());
}
@Test(timeout = 10000)
public void testIsJobDirValid() throws IOException {
Configuration conf = new Configuration();
FileSystem fs = FileSystem.getLocal(conf);
Path testDir = new Path(TEST_DIR);
fs.mkdirs(testDir);
Assert.assertFalse(JobClient.isJobDirValid(testDir, fs));
Path jobconf = new Path(testDir, "job.xml");
Path jobsplit = new Path(testDir, "job.split");
fs.create(jobconf);
fs.create(jobsplit);
Assert.assertTrue(JobClient.isJobDirValid(testDir, fs));
fs.delete(jobconf, true);
fs.delete(jobsplit, true);
}
@Test(timeout = 10000)
public void testGetStagingAreaDir() throws IOException, InterruptedException {
Configuration conf = new Configuration();
JobClient client = new JobClient(conf);
Assert.assertTrue(
"Mismatch in paths",
client.getClusterHandle().getStagingAreaDir().toString()
.equals(client.getStagingAreaDir().toString()));
}
}