Add missing file TestCgroupsLCEResourcesHandler for YARN-1284.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1530493 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sanford Ryza 2013-10-09 05:07:41 +00:00
parent 726c3538a7
commit 5a87d89366

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@ -0,0 +1,73 @@
/**
* 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.yarn.server.nodemanager.util;
import junit.framework.Assert;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.util.Clock;
import org.junit.Test;
import java.io.File;
import java.io.FileOutputStream;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;
public class TestCgroupsLCEResourcesHandler {
static class MockClock implements Clock {
long time;
@Override
public long getTime() {
return time;
}
}
@Test
public void testDeleteCgroup() throws Exception {
final MockClock clock = new MockClock();
clock.time = System.currentTimeMillis();
CgroupsLCEResourcesHandler handler = new CgroupsLCEResourcesHandler();
handler.setConf(new YarnConfiguration());
handler.initConfig();
handler.clock = clock;
//file exists
File file = new File("target", UUID.randomUUID().toString());
new FileOutputStream(file).close();
Assert.assertTrue(handler.deleteCgroup(file.getPath()));
//file does not exists, timing out
final CountDownLatch latch = new CountDownLatch(1);
new Thread() {
@Override
public void run() {
latch.countDown();
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
//NOP
}
clock.time += YarnConfiguration.
DEFAULT_NM_LINUX_CONTAINER_CGROUPS_DELETE_TIMEOUT;
}
}.start();
latch.await();
file = new File("target", UUID.randomUUID().toString());
Assert.assertFalse(handler.deleteCgroup(file.getPath()));
}
}