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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.test.jmx;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.startsWith;
import static org.junit.Assert.assertThat;
import java.io.IOException;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* Some JMX information tests.
*/
public class JmxIT
{
private static JMXConnector jmxc;
private static MBeanServerConnection mbsc;
@BeforeClass
public static void connectToMBeanServer() throws IOException
{
JMXServiceURL url = new JMXServiceURL("service:jmx:rmi://localhost:1099/jndi/rmi://localhost:1099/jmxrmi");
jmxc = JMXConnectorFactory.connect(url,null);
mbsc = jmxc.getMBeanServerConnection();
}
@AfterClass
public static void disconnectFromMBeanServer() throws IOException
{
jmxc.close();
}
private String getStringAttribute(ObjectName objName, String attrName) throws Exception
{
Object val = mbsc.getAttribute(objName,attrName);
assertThat(attrName,val,notNullValue());
assertThat(attrName,val,instanceOf(String.class));
return (String)val;
}
private int getIntegerAttribute(ObjectName objName, String attrName) throws Exception
{
Object val = mbsc.getAttribute(objName,attrName);
assertThat(attrName,val,notNullValue());
assertThat(attrName,val,instanceOf(Integer.class));
return (Integer)val;
}
@Test
public void testObtainRunningServerVersion() throws Exception
{
ObjectName serverName = new ObjectName("org.eclipse.jetty.server:type=server,id=0");
String version = getStringAttribute(serverName,"version");
System.err.println("Running version: " + version);
assertThat("Version",version,startsWith("9.4."));
}
@Test
public void testObtainJmxWebAppState() throws Exception
{
ObjectName webappName = new ObjectName("org.eclipse.jetty.webapp:context=jmx-webapp,type=webappcontext,id=0");
String contextPath = getStringAttribute(webappName,"contextPath");
String displayName = getStringAttribute(webappName,"displayName");
assertThat("Context Path",contextPath,is("/jmx-webapp"));
assertThat("Display Name",displayName,is("Test JMX WebApp"));
}
/**
* Test for directly annotated POJOs in the JMX tree
*/
@Test
public void testAccessToCommonComponent() throws Exception
{
ObjectName commonName = new ObjectName("org.eclipse.jetty.test.jmx:type=commoncomponent,context=jmx-webapp,id=0");
String name = getStringAttribute(commonName,"name");
assertThat("Name",name,is("i am common"));
}
/**
* Test for POJO (not annotated) that is supplemented with a MBean that
* declares the annotations.
*/
@Test
public void testAccessToPingerMBean() throws Exception
{
ObjectName pingerName = new ObjectName("org.eclipse.jetty.test.jmx:type=pinger,context=jmx-webapp,id=0");
// Get initial count
int count = getIntegerAttribute(pingerName,"count");
// Operations
Object val = mbsc.invoke(pingerName,"ping",null,null);
assertThat("ping() return",val.toString(),startsWith("Pong"));
// Attributes
assertThat("count",getIntegerAttribute(pingerName,"count"),is(count+1));
}
/**
* Test for POJO (annotated) that is merged with a MBean that
* declares more annotations.
*/
@Test
public void testAccessToEchoerMBean() throws Exception
{
ObjectName echoerName = new ObjectName("org.eclipse.jetty.test.jmx:type=echoer,context=jmx-webapp,id=0");
// Get initial count
int count = getIntegerAttribute(echoerName,"count");
// Operations
Object val = mbsc.invoke(echoerName,"echo",new Object[]{"Its Me"},new String[]{String.class.getName()});
assertThat("echo() return",val.toString(),is("Its Me"));
// Attributes
assertThat("count",getIntegerAttribute(echoerName,"count"),is(count+1));
assertThat("foo",getStringAttribute(echoerName,"foo"),is("foo-ish"));
}
}
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