PropertiesArtifactMBeanTests.java

/*******************************************************************************
 * Copyright (c) 2008, 2010 VMware Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   VMware Inc. - initial contribution
 *******************************************************************************/

package org.eclipse.virgo.kernel.deployer.test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;

import java.io.File;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.net.URI;

import javax.management.InstanceNotFoundException;
import javax.management.IntrospectionException;
import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.ReflectionException;

import org.junit.Test;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.service.cm.Configuration;

import org.eclipse.virgo.nano.deployer.api.core.DeploymentException;
import org.eclipse.virgo.util.io.FileCopyUtils;


/**
 */
public class PropertiesArtifactMBeanTests extends AbstractDeployerIntegrationTest {
    
    private final MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
    
    private final ObjectName objectName;    
    {
        try {
            objectName = new ObjectName("org.eclipse.virgo.kernel:type=ArtifactModel,artifact-type=configuration,name=test,version=0.0.0,region=global");
        } catch (JMException jme) {
            throw new RuntimeException(jme);
        }
    }
    
    @Test
    public void lifecycle() throws DeploymentException, IOException, InvalidSyntaxException, JMException {
        File artifactFile = new File("build/test.properties");
        
        FileCopyUtils.copy(new File("src/test/resources/test.properties"), artifactFile);
        
        URI artifactUri = artifactFile.toURI();
        
        this.deployer.deploy(artifactUri);
        
        assertConfigurationPresentAndCorrect("foo", "bar");
        
        mBeanServer.invoke(objectName, "stop", null, null);
        
        assertConfigurationNotPresent();
        
        mBeanServer.invoke(objectName, "start", null, null);
        
        assertConfigurationPresentAndCorrect("foo", "bar");
        
        mBeanServer.invoke(objectName, "uninstall", null, null);
        
        assertConfigurationNotPresent();
        assertMBeanNotPresent();
        assertFalse(this.deployer.isDeployed(artifactUri));
    }
    
    private void assertConfigurationPresentAndCorrect(String key, String value) throws IOException, InvalidSyntaxException {
        Configuration configuration = getConfiguration("test");
        assertNotNull(configuration);
        assertEquals(value, configuration.getProperties().get(key));
    }
    
    private void assertConfigurationNotPresent() throws IOException, InvalidSyntaxException {
        Configuration configuration = getConfiguration("test");
        assertNull(configuration);
    }
    
    private void assertMBeanNotPresent() throws IntrospectionException, ReflectionException {
        try {
            mBeanServer.getMBeanInfo(objectName);
            fail("MBean still present after uninstall");
        } catch (InstanceNotFoundException infe) {            
        }
    }
}