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MeasurementsRestServiceWithJrbTest.java
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MeasurementsRestServiceWithJrbTest.java
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/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2010-2015 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2015 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) 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, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) 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 OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.web.rest;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.opennms.core.test.OpenNMSJUnit4ClassRunner;
import org.opennms.core.test.db.annotations.JUnitTemporaryDatabase;
import org.opennms.test.JUnitConfigurationEnvironment;
import org.opennms.web.rest.measurements.model.Expression;
import org.opennms.web.rest.measurements.model.QueryRequest;
import org.opennms.web.rest.measurements.model.QueryResponse;
import org.opennms.web.rest.measurements.model.Source;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.transaction.annotation.Transactional;
import com.google.common.collect.Lists;
/**
* Tests the Measurements API with an JRB backend.
*
* @author Jesse White <jesse@opennms.org>
*/
@RunWith(OpenNMSJUnit4ClassRunner.class)
@ContextConfiguration(locations={
"classpath:/META-INF/opennms/applicationContext-commonConfigs.xml",
"classpath:/META-INF/opennms/applicationContext-minimal-conf.xml",
"classpath:/META-INF/opennms/applicationContext-soa.xml",
"classpath:/META-INF/opennms/applicationContext-dao.xml",
"classpath*:/META-INF/opennms/component-service.xml",
"classpath*:/META-INF/opennms/component-dao.xml",
"classpath:/META-INF/opennms/applicationContext-measurements-test-jrb.xml"
})
@JUnitConfigurationEnvironment
@JUnitTemporaryDatabase(reuseDatabase=false) // relies on setUp()
@Transactional
public class MeasurementsRestServiceWithJrbTest extends MeasurementsRestServiceTest {
@Before
public void setUp() {
super.setUp();
File rrdDirectory = new File("src/test/resources/share/jrb");
assertTrue(rrdDirectory.canRead());
m_resourceDao.setRrdDirectory(rrdDirectory);
System.setProperty("rrd.base.dir", rrdDirectory.getAbsolutePath());
}
@Test
public void canRetrieveMeasurementsFromJrb() {
QueryRequest request = new QueryRequest();
request.setStart(1414602000000L);
request.setEnd(1417046400000L);
request.setStep(1000L);
request.setMaxRows(700);
// Average
Source ifInOctetsAvg = new Source();
ifInOctetsAvg.setResourceId("node[1].interfaceSnmp[eth0-04013f75f101]");
ifInOctetsAvg.setAttribute("ifInOctets");
ifInOctetsAvg.setAggregation("AVERAGE");
ifInOctetsAvg.setLabel("ifInOctetsAvg");
// Min
Source ifInOctetsMin = new Source();
ifInOctetsMin.setResourceId("node[1].interfaceSnmp[eth0-04013f75f101]");
ifInOctetsMin.setAttribute("ifInOctets");
ifInOctetsMin.setAggregation("MIN");
ifInOctetsMin.setLabel("ifInOctetsMin");
// Max
Source ifInOctetsMax = new Source();
ifInOctetsMax.setResourceId("node[1].interfaceSnmp[eth0-04013f75f101]");
ifInOctetsMax.setAttribute("ifInOctets");
ifInOctetsMax.setAggregation("MAX");
ifInOctetsMax.setLabel("ifInOctetsMax");
request.setSources(Lists.newArrayList(
ifInOctetsAvg,
ifInOctetsMin,
ifInOctetsMax
));
// Perform the query
QueryResponse response = m_svc.query(request);
// Validate the results
long timestamps[] = response.getTimestamps();
final Map<String, double[]> columns = response.columnsWithLabels();
assertEquals(3600000L, response.getStep());
assertEquals(680, timestamps.length);
// Verify the values at an arbitrary index
final int idx = 8;
assertEquals(1414630800000L, timestamps[idx]);
assertEquals(270.66140826873385, columns.get("ifInOctetsAvg")[idx], 0.0001);
assertEquals(259.54086378737543, columns.get("ifInOctetsMin")[idx], 0.0001);
assertEquals(67872.22455490529, columns.get("ifInOctetsMax")[idx], 0.0001);
}
@Test
public void canPerformExpressions() {
QueryRequest request = new QueryRequest();
request.setStart(1414602000000L);
request.setEnd(1417046400000L);
request.setStep(1000L);
request.setMaxRows(700);
Source ifInOctets = new Source();
ifInOctets.setResourceId("node[1].interfaceSnmp[eth0-04013f75f101]");
ifInOctets.setAttribute("ifInOctets");
ifInOctets.setAggregation("MAX");
ifInOctets.setLabel("ifInOctets");
request.setSources(Lists.newArrayList(ifInOctets));
Expression scale = new Expression();
scale.setLabel("ifUsage");
// References a variable from strings.properties
scale.setExpression("ifInOctets * 8 / ifInOctets.ifSpeed");
request.setExpressions(Lists.newArrayList(scale));
QueryResponse response = m_svc.query(request);
final int idx = 3;
final Map<String, double[]> columns = response.columnsWithLabels();
assertEquals(975.3053156146178, columns.get("ifInOctets")[idx], 0.0001);
assertEquals(975.3053156146178 * 8d / 1000.0d, columns.get("ifUsage")[idx], 0.0001);
}
}