components/camel-zookeeper/src/test/java/org/apache/camel/component/zookeeper/ZooKeeperManagedEndpointTest.java

/*
 * 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.component.zookeeper;
import java.util.ArrayList;
import java.util.Set;

import javax.management.MBeanServer;
import javax.management.ObjectName;

import org.apache.camel.CamelContext;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.jmx.support.JmxUtils;

@SuppressWarnings("all")
public class ZooKeeperManagedEndpointTest extends CamelTestSupport {

    @Override
    @Before
    public void setUp() throws Exception {
        ZooKeeperTestSupport.setupTestServer();
        super.setUp();
    }

    @Override
    @After
    public void tearDown() throws Exception {
        super.tearDown();
        ZooKeeperTestSupport.shutdownServer();
    }

    @Override
    protected boolean useJmx() {
        return true;
    }

    protected CamelContext createCamelContext() throws Exception {
        CamelContext context = new DefaultCamelContext();
        return context;
    }

    protected MBeanServer getMBeanServer() {
        return context.getManagementStrategy().getManagementAgent().getMBeanServer();
    }

    @Test
    public void testEnpointConfigurationCanBeSetViaJMX() throws Exception {
        Set s = getMBeanServer().queryNames(new ObjectName("org.apache.camel:type=endpoints,name=\"zookeeper:*\",*"), null);
        assertEquals("Could not find zookeper endpoint: " + s, 1, s.size());
        ObjectName zepName = new ArrayList<ObjectName>(s).get(0);

        verifyManagedAttribute(zepName, "Path", "/node");
        verifyManagedAttribute(zepName, "Create", false);
        verifyManagedAttribute(zepName, "Repeat", false);
        verifyManagedAttribute(zepName, "ListChildren", false);
        verifyManagedAttribute(zepName, "Timeout", 1000);
        verifyManagedAttribute(zepName, "Backoff", 2000L);

        getMBeanServer().invoke(zepName, "clearServers", null, JmxUtils.getMethodSignature(ZooKeeperEndpoint.class.getMethod("clearServers", null)));
        getMBeanServer().invoke(zepName, "addServer", new Object[]{"someserver:12345"},
                JmxUtils.getMethodSignature(ZooKeeperEndpoint.class.getMethod("addServer", new Class[]{String.class})));
    }

    private void verifyManagedAttribute(ObjectName zepName, String attributeName, String attributeValue) throws Exception {
        assertEquals(attributeValue, getMBeanServer().getAttribute(zepName, attributeName));
    }

    private void verifyManagedAttribute(ObjectName zepName, String attributeName, Integer attributeValue) throws Exception {
        assertEquals(attributeValue, getMBeanServer().getAttribute(zepName, attributeName));
    }

    private void verifyManagedAttribute(ObjectName zepName, String attributeName, Boolean attributeValue) throws Exception {
        assertEquals(attributeValue, getMBeanServer().getAttribute(zepName, attributeName));
    }

    private void verifyManagedAttribute(ObjectName zepName, String attributeName, Long attributeValue) throws Exception {
        assertEquals(attributeValue, getMBeanServer().getAttribute(zepName, attributeName));
    }

    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            public void configure() {
                from("zookeeper://localhost:" + ZooKeeperTestSupport.getServerPort() + "/node?timeout=1000&backoff=2000").to("mock:test");
            }
        };
    }
}