ThroughputSampleIntegrationTests.java

/*
 * Copyright 2013-2014 the original author or authors.
 *
 *  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 org.springframework.xd.integration.throughput;

import org.junit.Test;

import org.springframework.integration.channel.PublishSubscribeChannel;
import org.springframework.messaging.support.GenericMessage;

/**
 * @author Jon Brisbin
 */
public class ThroughputSampleIntegrationTests {

	@Test
	public void logsThroughputWhenControlMessagesReceived() {
		PublishSubscribeChannel pubsub = new PublishSubscribeChannel();
		pubsub.subscribe(new ThroughputSamplerMessageHandler());

		int msgs = 100000;
		pubsub.send(new GenericMessage<String>("START"));
		for (int i = 0; i < msgs; i++) {
			pubsub.send(new GenericMessage<Object>(new Object()));
		}
		pubsub.send(new GenericMessage<String>("END"));
	}

}