SystemInfoHandlerTest.java example

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/**
 * 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 org.apache.lucene.util.LuceneTestCase;
import org.apache.solr.common.util.SimpleOrderedMap;


public class SystemInfoHandlerTest extends LuceneTestCase {

  public void testMagickGetter() {

    OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();

    // make one directly
    SimpleOrderedMap<Object> info = new SimpleOrderedMap<Object>();
    info.add( "name", os.getName() );
    info.add( "version", os.getVersion() );
    info.add( "arch", os.getArch() );

    // make another using addGetterIfAvaliable 
    SimpleOrderedMap<Object> info2 = new SimpleOrderedMap<Object>();
    SystemInfoHandler.addGetterIfAvaliable( os, "name", info2 );
    SystemInfoHandler.addGetterIfAvaliable( os, "version", info2 );
    SystemInfoHandler.addGetterIfAvaliable( os, "arch", info2 );
    
    // make sure they got the same thing
    assertEquals( info.toString(), info2.toString() );
  }

}