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/*
* Copyright (c) 2006 - 2007 Israfil Consulting Services Corporation
* Copyright (c) 2006 - 2007 Christian Edward Gruber
* All Rights Reserved
*
* This software is licensed under the Berkeley Standard Distribution license,
* (BSD license), as defined below:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of Israfil Consulting Services nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* $Id: AllTests.java 13 2006-01-27 23:45:36Z cgruber $
*/
package net.israfil.foundation.concurrent;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import net.israfil.foundation.concurrent.timing.Timeout;
import org.testng.Assert;
import org.testng.annotations.Test;
/**
* A Test Class
*
* @author <a href="mailto:cgruber@roundarch.com">Christian Edward Gruber</a>
* @author Latest: $Author: cgruber $
* @version $Revision: 130 $
*/
@Test
public class PumpTest {
public void testSimplePump() throws InterruptedException {
SimplePump<String> pump = new SimplePump<String>();
pump.setTimeout(10000L);
MockProducer<String> p = new MockProducer<String>();
final MockConsumer<String> c = new MockConsumer<String>();
pump.setConsumer(c);
pump.setProducer(p);
Assert.assertNotNull(pump.getConsumer());
Assert.assertNotNull(pump.getProducer());
Assert.assertTrue(pump.isStopped());
pump.start();
Timeout timeout = new Timeout(20000);
while(!pump.isRunning()) timeout.sleep(5);
Assert.assertNull(p.item);
Assert.assertNull(c.item);
String itemA = "a";
p.item = itemA;
timeout = new Timeout(20000);
while( c.item == null) {
timeout.sleep(5);
}
Assert.assertEquals(itemA,c.item);
pump.stop();
Assert.assertTrue(pump.isStopped());
}
public void testCollectingPump() throws InterruptedException {
CollectingPump<String> pump = new CollectingPump<String>();
MockProducer<String> p1 = new MockProducer<String>();
MockProducer<String> p2 = new MockProducer<String>();
MockProducer<String> p3 = new MockProducer<String>();
final MockConsumer<String> c = new MockConsumer<String>();
pump.setConsumer(c);
List<ConcurrentProducer<String>> producers = new ArrayList<ConcurrentProducer<String>>();
producers.add(p1);
producers.add(p2);
producers.add(p3);
pump.setProducers(producers);
Assert.assertNotNull(pump.getConsumer());
Assert.assertNotNull(pump.getProducers());
Assert.assertTrue(pump.isStopped());
pump.start();
Timeout timeout = new Timeout(20000);
while(!pump.isRunning()) timeout.sleep(5);
Assert.assertNull(p1.item);
Assert.assertNull(c.item);
String itemA = "a", itemB = "b", itemC = "c";
p1.item = itemA;
p2.item = itemB;
p3.item = itemC;
Assert.assertNotNull(p1.item);
Assert.assertNotNull(p2.item);
Assert.assertNotNull(p3.item);
timeout = new Timeout(20000);
while(c.item == null) timeout.sleep(5);
Assert.assertEquals(itemA, c.item);
Assert.assertNull(p1.item);
c.item = null;
timeout = new Timeout(20000);
while(c.item == null) timeout.sleep(5);
Assert.assertEquals(itemB, c.item);
Assert.assertNull(p2.item);
c.item = null;
timeout = new Timeout(20000);
while(c.item == null) timeout.sleep(5);
Assert.assertEquals(itemC, c.item);
Assert.assertNull(p3.item);
c.item = null;
pump.stop();
Assert.assertTrue(pump.isStopped());
}
public void testDistributingPump() throws InterruptedException {
if (true) return;
DistributingPump<String> pump = new DistributingPump<String>();
MockProducer<String> p = new MockProducer<String>();
MockConsumer<String> c1 = new MockConsumer<String>();
MockConsumer<String> c2 = new MockConsumer<String>();
MockConsumer<String> c3 = new MockConsumer<String>();
List<ConcurrentConsumer<String>> consumers = new ArrayList<ConcurrentConsumer<String>>();
consumers.add(c1);
consumers.add(c2);
consumers.add(c3);
pump.setConsumers(consumers);
pump.setProducer(p);
Assert.assertNotNull(pump.getConsumers());
Assert.assertNotNull(pump.getProducer());
Assert.assertTrue(pump.isStopped());
Timeout timeout = new Timeout(500);
while(!pump.isRunning()) timeout.sleep(5);
Assert.assertNull(p.item);
Assert.assertNull(c1.item);
Assert.assertNull(c2.item);
Assert.assertNull(c3.item);
String itemA = "a", itemB = "b", itemC = "c";
p.item = itemA;
timeout = new Timeout(20000);
while(c1.item == null) timeout.sleep(5);
Assert.assertEquals(itemA,c1.item);
Assert.assertNull(p.item);
p.item = itemB;
timeout = new Timeout(20000);
while(c1.item == null) timeout.sleep(5);
Assert.assertEquals(itemB,c1.item);
Assert.assertNull(p.item);
p.item = itemC;
timeout = new Timeout(20000);
while(c1.item == null) timeout.sleep(5);
Assert.assertEquals(itemC,c1.item);
Assert.assertNull(p.item);
pump.stop();
Assert.assertTrue(pump.isStopped());
}
public static class MockProducer<T> extends MockStringPipeComponent<T> implements ConcurrentProducer<T> {
public T produce() {
try {
return produce(0,null);
} catch (InterruptedException e) {
throw new RuntimeInterruptedException(e);
}
}
public T produce(long timeoutMillis, TimeUnit unit) throws InterruptedException {
Thread.sleep(delay);
Timeout timeout = new Timeout(timeoutMillis);
while (this.item == null && (timeoutMillis < 1 || unit == null))
timeout.sleep(5);
Long start = System.currentTimeMillis();
if (this.item == null) return null; // in case of timeouts.
synchronized (this.item) {
T oldItem = this.item;
this.item = null;
return oldItem;
}
}
}
public static class MockConsumer<T> extends MockStringPipeComponent<T> implements ConcurrentConsumer<T> {
public void consume(T item) {
try {
consume(item,0,null);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
public void consume(T item, long timeoutMillis, TimeUnit unit) throws InterruptedException {
Thread.sleep(delay);
Timeout timeout = new Timeout(timeoutMillis);
while (this.item != null && (timeoutMillis < 1 || unit == null))
timeout.sleep(5);
this.item = item;
}
}
public static class MockStringPipeComponent<T> {
public T item = null;
public long delay = 0;
public static boolean timeout(Long start, Long timeout) {
return (System.currentTimeMillis() - start) < timeout;
}
}
}
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