/*
* 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;
/**
* Test case for Jsr237WorkScheduler
*
* @version $Rev$ $Date$
*/
public class Jsr237WorkSchedulerTestCase {
/**
* 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 DefaultWorkScheduler workSchedular = null;
/**
* Setup the Jsr237WorkScheduler
*/
@BeforeClass
public static void setup() {
workSchedular = new DefaultWorkScheduler(null, null);
}
/**
* Make sure that the Jsr237WorkScheduler is stopped after running the tests
*/
@AfterClass
public static void destroy() {
if (workSchedular != null) {
workSchedular.stop();
}
}
/**
* Tests running a single fast job on the Jsr237WorkScheduler
*/
@Test
public void testSingleFastJob() {
// Create the work and register it
JSR237MyRunnable fast = new JSR237MyRunnable(10);
JSR237MyRunnerListener listener = new JSR237MyRunnerListener();
workSchedular.scheduleWork(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 Jsr237WorkScheduler
*/
@Test
public void testSingleFailingJob() {
// Create the work and register it
JSR237MyFailingRunnable fail = new JSR237MyFailingRunnable();
JSR237MyRunnerListener listener = new JSR237MyRunnerListener();
workSchedular.scheduleWork(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(0, listener.getWorkCompletedCallCount());
Assert.assertEquals(1, listener.getWorkFailedCallCount());
Assert.assertEquals(1, listener.getWorkExceptions().size());
}
/**
* Tests running a mixture of fast and slow jobs on the Jsr237WorkScheduler
*/
@Test
public void testMultipleJobs() {
// Create the work and register it
JSR237MyRunnable fast1 = new JSR237MyRunnable(5);
JSR237MyRunnable fast2 = new JSR237MyRunnable(10);
JSR237MyRunnable fast3 = new JSR237MyRunnable(20);
JSR237MyRunnable slow1= new JSR237MyRunnable(200);
JSR237MyRunnable slow2 = new JSR237MyRunnable(200);
JSR237MyRunnerListener listener = new JSR237MyRunnerListener();
workSchedular.scheduleWork(fast1, listener);
workSchedular.scheduleWork(fast2, listener);
workSchedular.scheduleWork(fast3, listener);
workSchedular.scheduleWork(slow1, listener);
workSchedular.scheduleWork(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
* Jsr237WorkScheduler
*/
@Test
public void testMultipleJobsSomeFail() {
// Create the work and register it
JSR237MyRunnable fast1 = new JSR237MyRunnable(5);
JSR237MyRunnable fast2 = new JSR237MyRunnable(10);
JSR237MyRunnable fast3 = new JSR237MyRunnable(20);
JSR237MyRunnable slow1= new JSR237MyRunnable(200);
JSR237MyRunnable slow2 = new JSR237MyRunnable(200);
JSR237MyFailingRunnable fail1 = new JSR237MyFailingRunnable();
JSR237MyFailingRunnable fail2 = new JSR237MyFailingRunnable();
JSR237MyRunnerListener listener = new JSR237MyRunnerListener();
workSchedular.scheduleWork(fast1, listener);
workSchedular.scheduleWork(fast2, listener);
workSchedular.scheduleWork(fail1, listener);
workSchedular.scheduleWork(fast3, listener);
workSchedular.scheduleWork(slow1, listener);
workSchedular.scheduleWork(fail2, listener);
workSchedular.scheduleWork(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(5, listener.getWorkCompletedCallCount());
Assert.assertEquals(2, listener.getWorkFailedCallCount());
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
JSR237MyRunnable fast = new JSR237MyRunnable(10);
workSchedular.scheduleWork(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);
}
}
}
/**
* Tests scheduling a null as the work item
*/
@Test
public void testNullWork() {
try {
workSchedular.scheduleWork(null);
Assert.fail("Should have thrown IllegalArgumentException ");
} catch (IllegalArgumentException ex) {
// As expected
Assert.assertTrue(ex.toString().indexOf("null") != -1);
}
}
/**
* 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(JSR237MyRunnerListener listener, int completedWorkItemsToWaitFor) {
long startTime = System.currentTimeMillis();
while (true) {
int completedCount = listener.getWorkCompletedCallCount() + listener.getWorkFailedCallCount();
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);
}
}
}
}