examples/mrmonitor/src/test/java/org/apache/apex/examples/mrmonitor/MrMonitoringApplicationTest.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.apex.examples.mrmonitor;

import javax.servlet.Servlet;

import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.junit.Test;

import org.apache.hadoop.conf.Configuration;

import com.datatorrent.api.LocalMode;
import com.datatorrent.lib.helper.SamplePubSubWebSocketServlet;

/**
 * <p>MapReduceDebuggerApplicationTest class.</p>
 *
 * @since 0.3.4
 */

public class MrMonitoringApplicationTest
{

  @Test
  public void testApplication() throws Exception
  {
    Configuration conf = new Configuration(false);
    conf.addResource("dt-site-monitoring.xml");
    Server server = new Server(0);
    Servlet servlet = new SamplePubSubWebSocketServlet();
    ServletHolder sh = new ServletHolder(servlet);
    ServletContextHandler contextHandler = new ServletContextHandler(server, "/", ServletContextHandler.SESSIONS);
    contextHandler.addServlet(sh, "/pubsub");
    contextHandler.addServlet(sh, "/*");
    server.start();
    Connector[] connector = server.getConnectors();
    conf.set("dt.attr.GATEWAY_CONNECT_ADDRESS", "localhost:" + connector[0].getLocalPort());

    MRMonitoringApplication application = new MRMonitoringApplication();
    LocalMode lma = LocalMode.newInstance();
    lma.prepareDAG(application, conf);
    LocalMode.Controller lc = lma.getController();
    lc.run(10000);
    server.stop();
  }

}