AgentDaemonTest.java

/* 
 * Licensed 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 net.grinder.engine.agent;

import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import net.grinder.AgentDaemon;
import net.grinder.SingleConsole;
import net.grinder.util.thread.Condition;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.ngrinder.AbstractMultiGrinderTestBase;

/**
 * @author JunHo Yoon
 */
public class AgentDaemonTest extends AbstractMultiGrinderTestBase {

	private SingleConsole console1;
	private Integer consolePort;

	@Before
	public void before() {
		consolePort = getFreePort();
		console1 = new SingleConsole(consolePort);
		console1.start();
		sleep(1000);
	}

	@After
	public void after() {
		console1.shutdown();
	}

	@Test
	public void testConnection() throws InterruptedException {
		// Try to connect any port
		AgentDaemon agent = new AgentDaemon(agentConfig1);
		agent.run(getFreePort());
		sleep(1000);
	}

	Condition condition = new Condition();

	@Test(timeout = 3000)
	public void testIfAgentDeadWellWhenConsoleIsShutdown() {
		// After connecting agent daemon,
		AgentDaemon agent = new AgentDaemon(agentConfig1);
		agent.run(console1.getConsolePort());
		agent.addListener(new AgentShutDownSynchronizeListener(condition));
		// Shutdown console
		console1.shutdown();
		waitOnCondition(condition, 2100);
	}

	@Test
	public void testAgentReconnect() {
		// After connecting agent daemon,
		AgentDaemon agent = new AgentDaemon(agentConfig1);
		agent.run(console1.getConsolePort());
		agent.addListener(new AgentShutDownSynchronizeListener(condition));
		// Shutdown console
		sleep(3000);
		assertThat(console1.getAllAttachedAgentsCount(), is(1));

		// shutdown twice
		agent.shutdown();
		sleep(5000);
		assertThat(console1.getAllAttachedAgentsCount(), is(0));
		agent.shutdown();
		sleep(5000);
		assertThat(console1.getAllAttachedAgentsCount(), is(0));

		// Even shutdown twice, agent is well connected into console.
		agent.run(console1.getConsolePort());
		sleep(2000);

		assertThat(console1.getAllAttachedAgentsCount(), is(1));

	}
}