/*
* ProActive Parallel Suite(TM):
* The Open Source library for parallel and distributed
* Workflows & Scheduling, Orchestration, Cloud Automation
* and Big Data Analysis on Enterprise Grids & Clouds.
*
* Copyright (c) 2007 - 2017 ActiveEon
* Contact: contact@activeeon.com
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation: version 3 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* If needed, contact us to obtain a release under GPL Version 2 or 3
* or a different license than the AGPL.
*/
package org.ow2.proactive.resourcemanager.utils;
import static org.junit.Assert.*;
import java.io.File;
import java.io.IOException;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.ObjectName;
import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Logger;
import org.apache.log4j.varia.NullAppender;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.ow2.proactive.jmx.Chronological;
import org.rrd4j.core.RrdDb;
public class RRDSigarDataStoreTest {
private static final int TEN_SECONDS = 10 * 1000;
@Rule
public TemporaryFolder temp = new TemporaryFolder();
@BeforeClass
public static void configureLog4J() {
BasicConfigurator.configure(new NullAppender());
}
@Test
public void samplesAreCreated_2Beans() throws Exception {
File rrdFile = createTempRRDFile();
Fake fakeBean = new Fake();
Fake fakeBean2 = new Fake();
MBeanServer beanServer = MBeanServerFactory.createMBeanServer();
beanServer.registerMBean(fakeBean, new ObjectName("java.lang:type=Memory"));
beanServer.registerMBean(fakeBean2, new ObjectName("sigar:Type=Mem"));
RRDSigarDataStore store = new RRDSigarDataStore(beanServer, rrdFile.getPath(), 4, Logger.getLogger("test"));
RrdDb dataBase = new RrdDb(rrdFile.getPath());
// sample 5 times every 10 seconds
long firstSampleTime = System.currentTimeMillis();
for (int i = 1; i <= 5; i++) {
store.sample(dataBase, firstSampleTime + i * TEN_SECONDS);
}
assertEquals((firstSampleTime + 5 * TEN_SECONDS) / 1000, dataBase.getLastUpdateTime());
assertEquals(42, dataBase.getDatasource("ValueMemory").getLastValue(), 0.001);
assertEquals(42, dataBase.getDatasource("ValueMem").getLastValue(), 0.001);
}
private File createTempRRDFile() throws IOException {
File rrdFolder = temp.newFolder();
return new File(rrdFolder, "test.rrd");
}
private static class Fake implements FakeMBean {
@Override
public double getValue() {
return 42;
}
@Override
public void setValue(double value) {
}
}
public interface FakeMBean {
@Chronological
double getValue();
void setValue(double value);
}
}