/*
* 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.hadoop.chukwa.datacollection.agent;
import java.util.ArrayList;
import org.apache.hadoop.chukwa.conf.ChukwaConfiguration;
import org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent;
import org.apache.hadoop.chukwa.datacollection.controller.ChukwaAgentController;
import org.apache.hadoop.chukwa.datacollection.test.ConsoleOutConnector;
import junit.framework.TestCase;
public class TestAgent extends TestCase {
public void testStopAndStart() {
try {
ChukwaAgent agent = new ChukwaAgent();
ConsoleOutConnector conn = new ConsoleOutConnector(agent, true);
conn.start();
ChukwaConfiguration cc = new ChukwaConfiguration();
int portno = cc.getInt("chukwaAgent.control.port", 9093);
ChukwaAgentController cli = new ChukwaAgentController("localhost", portno);
for(int i=1; i < 20; ++i) {
cli.add("org.apache.hadoop.chukwa.util.ConstRateAdaptor", "raw" + i, "20000", 0);
assertTrue(agent.adaptorCount() == 1);
Thread.sleep(2000);
cli.removeAll();
assertTrue(agent.adaptorCount() == 0);
}
agent.shutdown();
conn.shutdown();
} catch(Exception e) {
e.printStackTrace();
fail(e.toString());
}
}
public void testMultiStopAndStart() {
try {
ChukwaAgent agent = new ChukwaAgent();
ConsoleOutConnector conn = new ConsoleOutConnector(agent, true);
conn.start();
for(int trial=0; trial < 20; ++trial) {
ArrayList<Long> runningAdaptors = new ArrayList<Long>();
for(int i = 1; i < 7; ++i) {
long l = agent.processCommand("add org.apache.hadoop.chukwa.util.ConstRateAdaptor raw"+i+ " 20000 0");
assertTrue(agent.adaptorCount() == i);
assertTrue(l != -1);
runningAdaptors.add(l);
}
Thread.sleep(1000);
for(Long l: runningAdaptors)
agent.stopAdaptor(l, true);
assertTrue(agent.adaptorCount() == 0);
}
agent.shutdown();
} catch(Exception e) {
e.printStackTrace();
fail(e.toString());
}
}
}