org.cloudfoundry.identity.uaa.varz.MBeanMapTests.java Source code

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/*
 * Cloud Foundry 2012.02.03 Beta
 * Copyright (c) [2009-2012] VMware, Inc. All Rights Reserved.
 *
 * This product is licensed to you under the Apache License, Version 2.0 (the "License").
 * You may not use this product except in compliance with the License.
 *
 * This product includes a number of subcomponents with
 * separate copyright notices and license terms. Your use of these
 * subcomponents is subject to the terms and conditions of the
 * subcomponent's license, as noted in the LICENSE file.
 */
package org.cloudfoundry.identity.uaa.varz;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.util.Map;
import java.util.Set;

import javax.management.MBeanServerConnection;
import javax.management.ObjectName;

import org.codehaus.jackson.map.ObjectMapper;
import org.junit.Before;
import org.junit.Test;
import org.springframework.jmx.support.MBeanServerFactoryBean;

public class MBeanMapTests {

    private ObjectMapper mapper = new ObjectMapper();
    private MBeanServerConnection server;

    @Before
    public void start() throws Exception {
        MBeanServerFactoryBean factory = new MBeanServerFactoryBean();
        factory.setLocateExistingServerIfPossible(true);
        factory.afterPropertiesSet();
        server = factory.getObject();
    }

    @Test
    public void testListDomain() throws Exception {
        Set<ObjectName> names = server.queryNames(ObjectName.getInstance("java.lang:type=Runtime,*"), null);
        System.err.println(names);
        assertTrue(names.size() == 1);
        MBeanMap result = new MBeanMap(server, names.iterator().next());
        @SuppressWarnings("unchecked")
        Map<String, String> properties = (Map<String, String>) result.get("system_properties");
        // System.err.println(properties);
        assertTrue(properties.containsKey("java.vm.version"));
        String json = mapper.writeValueAsString(result);
        // System.err.println(json);
        assertNotNull(json);
    }

}