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/*
* 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.tuscany.sca.core.work.impl;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* This test case will test the ThreadPoolWorkManager
*
* @version $Rev$ $Date$
*/
public class ThreadPoolWorkManagerTestCase {
/**
* Wait up to 20 seconds for the Work units to complete
*/
private static final long WAIT_TIMEOUT = 20000;
/**
* This is the shared instance of the ThreadPoolWorkManager used by the tests
*/
private static ThreadPoolWorkManager workManager = null;
/**
* Setup the ThreadPoolWorkManager
*/
@BeforeClass
public static void setup() {
workManager = new ThreadPoolWorkManager(10);
}
/**
* Make sure that the ThreadPoolWorkManager is stopped after running the tests
*/
@AfterClass
public static void destroy() {
if (workManager != null) {
workManager.destroy();
}
}
/**
* Tests running a single fast job on the ThreadPoolWorkManager
*/
@Test
public void testSingleFastJob() {
// Create the work and register it
TimeDelayWork fast = new TimeDelayWork(10);
TestWorkListener listener = new TestWorkListener();
workManager.schedule(fast, listener);
// Wait for the 1 job to complete
waitForWorkToComplete(listener, 1);
// Test that the job completed successfully.
Assert.assertEquals(1, listener.getWorkAcceptedCallCount());
Assert.assertEquals(0, listener.getWorkRejectedCallCount());
Assert.assertEquals(1, listener.getWorkStartedCallCount());
Assert.assertEquals(1, listener.getWorkCompletedCallCount());
Assert.assertEquals(0, listener.getWorkExceptions().size());
}
/**
* Tests running a single job that fails on the ThreadPoolWorkManager
*/
@Test
public void testSingleFailingJob() {
// Create the work and register it
FailingWork fail = new FailingWork();
TestWorkListener listener = new TestWorkListener();
workManager.schedule(fail, listener);
// Wait for the 1 job to complete
waitForWorkToComplete(listener, 1);
// Test that the job completed successfully.
Assert.assertEquals(1, listener.getWorkAcceptedCallCount());
Assert.assertEquals(0, listener.getWorkRejectedCallCount());
Assert.assertEquals(1, listener.getWorkStartedCallCount());
Assert.assertEquals(1, listener.getWorkCompletedCallCount());
Assert.assertEquals(1, listener.getWorkExceptions().size());
}
/**
* Tests running a mixture of fast and slow jobs on the ThreadPoolWorkManager
*/
@Test
public void testMultipleJobs() {
// Create the work and register it
TimeDelayWork fast1 = new TimeDelayWork(5);
TimeDelayWork fast2 = new TimeDelayWork(10);
TimeDelayWork fast3 = new TimeDelayWork(20);
TimeDelayWork slow1= new TimeDelayWork(200);
TimeDelayWork slow2 = new TimeDelayWork(200);
TestWorkListener listener = new TestWorkListener();
workManager.schedule(fast1, listener);
workManager.schedule(fast2, listener);
workManager.schedule(fast3, listener);
workManager.schedule(slow1, listener);
workManager.schedule(slow2, listener);
// Wait for the 5 jobs to complete
waitForWorkToComplete(listener, 5);
// Test that the job completed successfully.
Assert.assertEquals(5, listener.getWorkAcceptedCallCount());
Assert.assertEquals(0, listener.getWorkRejectedCallCount());
Assert.assertEquals(5, listener.getWorkStartedCallCount());
Assert.assertEquals(5, listener.getWorkCompletedCallCount());
Assert.assertEquals(0, listener.getWorkExceptions().size());
}
/**
* Tests running a mixture of fast and slow jobs some of which fail on the
* ThreadPoolWorkManager
*/
@Test
public void testMultipleJobsSomeFail() {
// Create the work and register it
TimeDelayWork fast1 = new TimeDelayWork(5);
TimeDelayWork fast2 = new TimeDelayWork(10);
TimeDelayWork fast3 = new TimeDelayWork(20);
TimeDelayWork slow1= new TimeDelayWork(200);
TimeDelayWork slow2 = new TimeDelayWork(200);
FailingWork fail1 = new FailingWork();
FailingWork fail2 = new FailingWork();
TestWorkListener listener = new TestWorkListener();
workManager.schedule(fast1, listener);
workManager.schedule(fast2, listener);
workManager.schedule(fail1, listener);
workManager.schedule(fast3, listener);
workManager.schedule(slow1, listener);
workManager.schedule(fail2, listener);
workManager.schedule(slow2, listener);
// Wait for the 7 jobs to complete
waitForWorkToComplete(listener, 7);
// Test that the job completed successfully.
Assert.assertEquals(7, listener.getWorkAcceptedCallCount());
Assert.assertEquals(0, listener.getWorkRejectedCallCount());
Assert.assertEquals(7, listener.getWorkStartedCallCount());
Assert.assertEquals(7, listener.getWorkCompletedCallCount());
Assert.assertEquals(2, listener.getWorkExceptions().size());
}
/**
* Tests running a single job that has no listener
*/
@Test
public void testSingleFastJobWithNoListener() {
// Create the work and register it
TimeDelayWork fast = new TimeDelayWork(10);
workManager.schedule(fast);
// Wait for the job to complete
long startTime = System.currentTimeMillis();
while (true) {
int completedCount = fast.getRunCompletedCount();
if (completedCount == 1) {
break;
}
if (System.currentTimeMillis() - startTime > WAIT_TIMEOUT) {
Assert.fail("Only " + completedCount + " work items completed before timeout");
return;
}
// Lets wait for the job to complete
try {
Thread.sleep(25);
} catch (InterruptedException ex) {
Assert.fail("Unexpected exception: " + ex);
}
}
// Make sure we have got one completed run
Assert.assertEquals(1, fast.getRunCompletedCount());
}
/**
* Waits for the specified number of jobs to complete or the timeout to fire.
*
* @param listener The listener to use to track Work unit completion
* @param completedWorkItemsToWaitFor The number of Work items to complete
*/
private void waitForWorkToComplete(TestWorkListener listener, int completedWorkItemsToWaitFor) {
long startTime = System.currentTimeMillis();
while (true) {
int completedCount = listener.getWorkCompletedCallCount();
if (completedCount == completedWorkItemsToWaitFor) {
return;
}
if (System.currentTimeMillis() - startTime > WAIT_TIMEOUT) {
Assert.fail("Only " + completedCount + " work items completed before timeout");
return;
}
// Lets wait for more jobs to complete
try {
Thread.sleep(25);
} catch (InterruptedException ex) {
Assert.fail("Unexpected exception: " + ex);
}
}
}
}
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