/**
* 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.resourcemanager.scheduler.fair;
import java.io.File;
import java.io.IOException;
import org.junit.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.event.AsyncDispatcher;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestFairSchedulerEventLog {
private File logFile;
private FairScheduler scheduler;
private ResourceManager resourceManager;
@Before
public void setUp() throws IOException {
scheduler = new FairScheduler();
Configuration conf = new YarnConfiguration();
conf.setClass(YarnConfiguration.RM_SCHEDULER, FairScheduler.class,
ResourceScheduler.class);
conf.set("yarn.scheduler.fair.event-log-enabled", "true");
// All tests assume only one assignment per node update
conf.set(FairSchedulerConfiguration.ASSIGN_MULTIPLE, "false");
resourceManager = new ResourceManager();
resourceManager.init(conf);
((AsyncDispatcher)resourceManager.getRMContext().getDispatcher()).start();
scheduler.init(conf);
scheduler.start();
scheduler.reinitialize(conf, resourceManager.getRMContext());
}
/**
* Make sure the scheduler creates the event log.
*/
@Test
public void testCreateEventLog() throws IOException {
FairSchedulerEventLog eventLog = scheduler.getEventLog();
logFile = new File(eventLog.getLogFile());
Assert.assertTrue(logFile.exists());
}
@After
public void tearDown() {
logFile.delete();
logFile.getParentFile().delete(); // fairscheduler/
if (scheduler != null) {
scheduler.stop();
scheduler = null;
}
if (resourceManager != null) {
resourceManager.stop();
resourceManager = null;
}
}
}