Package org.apache.camel.management

Source Code of org.apache.camel.management.DefaultManagementAgentMockTest

/**
* 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.camel.management;

import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.ObjectInstance;
import javax.management.ObjectName;

import org.apache.camel.spi.ManagementAgent;
import org.junit.Test;

import static org.easymock.EasyMock.createStrictMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.reset;
import static org.easymock.EasyMock.verify;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
* Tests proper behavior of DefaultManagementAgent when
* {@link MBeanServer#registerMBean(Object, ObjectName)} returns an
* {@link ObjectInstance} with a different ObjectName
*/
public class DefaultManagementAgentMockTest {

    @Test
    public void testObjectNameModification() throws JMException {
        MBeanServer mbeanServer = createStrictMock(MBeanServer.class);
        ObjectInstance instance = createStrictMock(ObjectInstance.class);

        ManagementAgent agent = new DefaultManagementAgent();
        agent.setMBeanServer(mbeanServer);

        Object object = "object";
        ObjectName sourceObjectName = new ObjectName("domain", "key", "value");
        ObjectName registeredObjectName = new ObjectName("domain", "key", "otherValue");

        // Register MBean and return different ObjectName
        expect(mbeanServer.isRegistered(sourceObjectName)).andReturn(false);
        expect(mbeanServer.registerMBean(object, sourceObjectName)).andReturn(instance);
        expect(instance.getObjectName()).andReturn(registeredObjectName);
        expect(mbeanServer.isRegistered(registeredObjectName)).andReturn(true);
        replay(mbeanServer, instance);

        agent.register(object, sourceObjectName);

        assertTrue(agent.isRegistered(sourceObjectName));
        verify(mbeanServer, instance);
        reset(mbeanServer, instance);

        // ... and unregister it again
        expect(mbeanServer.isRegistered(registeredObjectName)).andReturn(true);
        mbeanServer.unregisterMBean(registeredObjectName);
        expect(mbeanServer.isRegistered(sourceObjectName)).andReturn(false);
        replay(mbeanServer);

        agent.unregister(sourceObjectName);

        assertFalse(agent.isRegistered(sourceObjectName));
        verify(mbeanServer);
    }

}
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