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
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.nodemanager.util;
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import junit.framework.Assert;
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import org.apache.hadoop.yarn.conf.YarnConfiguration;
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import org.apache.hadoop.yarn.util.Clock;
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import org.junit.Test;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.util.UUID;
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import java.util.concurrent.CountDownLatch;
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public class TestCgroupsLCEResourcesHandler {
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static class MockClock implements Clock {
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long time;
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@Override
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public long getTime() {
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return time;
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}
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}
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@Test
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public void testDeleteCgroup() throws Exception {
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final MockClock clock = new MockClock();
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clock.time = System.currentTimeMillis();
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CgroupsLCEResourcesHandler handler = new CgroupsLCEResourcesHandler();
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handler.setConf(new YarnConfiguration());
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handler.initConfig();
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handler.clock = clock;
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//file exists
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File file = new File("target", UUID.randomUUID().toString());
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new FileOutputStream(file).close();
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Assert.assertTrue(handler.deleteCgroup(file.getPath()));
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//file does not exists, timing out
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final CountDownLatch latch = new CountDownLatch(1);
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new Thread() {
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@Override
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public void run() {
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latch.countDown();
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try {
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Thread.sleep(200);
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} catch (InterruptedException ex) {
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//NOP
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}
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clock.time += YarnConfiguration.
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DEFAULT_NM_LINUX_CONTAINER_CGROUPS_DELETE_TIMEOUT;
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}
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}.start();
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latch.await();
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file = new File("target", UUID.randomUUID().toString());
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Assert.assertFalse(handler.deleteCgroup(file.getPath()));
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}
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}
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