/*
* Copyright 2011-2013 the original author or authors.
*
* Licensed 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.springframework.data.hadoop.mapreduce;
import org.apache.hadoop.mapreduce.Job;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.batch.core.JobExecution;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.data.hadoop.TestUtils;
import org.springframework.data.hadoop.batch.JobsTrigger;
import org.springframework.data.hadoop.mapreduce.JobUtils.JobStatus;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author Costin Leau
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class JobKillTests {
@Autowired
private ApplicationContext ctx;
{
TestUtils.hackHadoopStagingOnWin();
}
private static long WAIT_FOR_JOB_TO_START = 1 * 1000;
@Test
public void testJobKill() throws Exception {
Job victimJob = ctx.getBean("victim-job", Job.class);
JobRunner runner = ctx.getBean("killer-runner", JobRunner.class);
assertFalse(JobUtils.getStatus(victimJob).isStarted());
runner.call();
// wait a bit for the job to be started
while (!(JobUtils.getStatus(victimJob).isRunning() || JobUtils.getStatus(victimJob).isFinished())) {
Thread.sleep(WAIT_FOR_JOB_TO_START);
}
runner.destroy();
checkHadoopJobWasKilled(victimJob);
}
@Test
public void testJobTaskletKill() throws Exception {
Job victimJob = ctx.getBean("tasklet-victim-job", Job.class);
// start async job execution
JobExecution batchJob = JobsTrigger.startJob(ctx, "mainJob");
// wait a bit for the job to be started
while (!(JobUtils.getStatus(victimJob).isRunning() || JobUtils.getStatus(victimJob).isFinished())) {
Thread.sleep(WAIT_FOR_JOB_TO_START);
}
batchJob.stop();
checkHadoopJobWasKilled(victimJob);
}
private static void checkHadoopJobWasKilled(Job victimJob) throws Exception {
JobStatus status = JobStatus.UNKNOWN;
// wait for the job status to be updated...
for (int i = 0; i < 5 && !status.isFinished(); i++) {
Thread.sleep(1000 * 5);
status = JobUtils.getStatus(victimJob);
}
JobStatus status2 = JobUtils.getStatus(victimJob);
assertTrue("job not killed - " + status2, (JobStatus.KILLED == status2 || JobStatus.FAILED == status2));
assertTrue(status.isFinished());
}
}