/*
* 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.solr.handler.admin;
import java.lang.management.ManagementFactory;
import java.lang.management.OperatingSystemMXBean;
import java.util.Arrays;
import com.codahale.metrics.Gauge;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.solr.common.util.SimpleOrderedMap;
import org.apache.solr.util.stats.MetricUtils;
public class SystemInfoHandlerTest extends LuceneTestCase {
public void testMagickGetter() throws Exception {
OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
// make one directly
SimpleOrderedMap<Object> info = new SimpleOrderedMap<>();
info.add( "name", os.getName() );
info.add( "version", os.getVersion() );
info.add( "arch", os.getArch() );
// make another using MetricUtils.addMXBeanMetrics()
SimpleOrderedMap<Object> info2 = new SimpleOrderedMap<>();
MetricUtils.addMXBeanMetrics( os, OperatingSystemMXBean.class, null, (k, v) -> {
info2.add(k, ((Gauge)v).getValue());
} );
// make sure they got the same thing
for (String p : Arrays.asList("name", "version", "arch")) {
assertEquals(info.get(p), info2.get(p));
}
}
}