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/*******************************************************************************
* Copyright (c) 2010 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.executor.admin.internal;
import java.util.HashMap;
import java.util.concurrent.Callable;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import org.eclipse.osee.executor.admin.CancellableCallable;
import org.eclipse.osee.executor.admin.mock.MockEventService;
import org.eclipse.osee.executor.admin.mock.MockExecutionCallback;
import org.eclipse.osee.executor.admin.mock.MockLog;
import org.junit.Assert;
import org.junit.Test;
/**
* @author Roberto E. Escobar
*/
public class ExecutionCallbackTest {
@Test
public void testCallbackOnSuccess() throws Exception {
ExecutorAdminImpl admin = new ExecutorAdminImpl();
admin.setLogger(new MockLog());
admin.setEventService(new MockEventService());
admin.start(new HashMap<String, Object>());
final String expected = "Was Called";
MockExecutionCallback<String> callback = new MockExecutionCallback<String>();
Callable<String> callable = new Callable<String>() {
@Override
public String call() throws Exception {
return expected;
}
};
Future<String> future = admin.schedule(callable, callback);
String actual = future.get();
Assert.assertEquals(expected, actual);
Assert.assertTrue(callback.wasOnSuccess());
Assert.assertFalse(callback.wasOnCancelled());
Assert.assertFalse(callback.wasOnFailure());
Assert.assertEquals(expected, callback.getResult());
Assert.assertNull(callback.getThrowable());
}
@Test
public void testCallbackOnFailure() throws Exception {
ExecutorAdminImpl admin = new ExecutorAdminImpl();
admin.setLogger(new MockLog());
admin.setEventService(new MockEventService());
admin.start(new HashMap<String, Object>());
final Exception expectedException = new IllegalStateException();
MockExecutionCallback<String> callback = new MockExecutionCallback<String>();
Callable<String> callable = new Callable<String>() {
@Override
public String call() throws Exception {
throw expectedException;
}
};
Future<String> future = admin.schedule(callable, callback);
try {
future.get();
Assert.assertTrue("An exception should have been thrown", false);
} catch (Exception ex) {
Assert.assertEquals(ExecutionException.class, ex.getClass());
Assert.assertEquals(expectedException, ex.getCause());
}
Assert.assertFalse(callback.wasOnSuccess());
Assert.assertFalse(callback.wasOnCancelled());
Assert.assertTrue(callback.wasOnFailure());
Assert.assertNull(callback.getResult());
Assert.assertEquals(IllegalStateException.class, callback.getThrowable().getClass());
}
@Test
public void testCallbackOnCancel() throws Exception {
ExecutorAdminImpl admin = new ExecutorAdminImpl();
admin.setLogger(new MockLog());
admin.setEventService(new MockEventService());
admin.start(new HashMap<String, Object>());
final String results = "results";
MockExecutionCallback<String> callback = new MockExecutionCallback<String>();
TestCancellableCallable callable = new TestCancellableCallable(results);
Future<String> future = admin.schedule(callable, callback);
future.cancel(true);
Assert.assertFalse(callback.wasOnSuccess());
Assert.assertTrue(callback.wasOnCancelled());
Assert.assertFalse(callback.wasOnFailure());
Assert.assertNull(callback.getResult());
Assert.assertNull(callback.getThrowable());
Assert.assertEquals(true, callable.isCancelled());
Assert.assertEquals(true, future.isCancelled());
try {
future.get();
Assert.assertTrue("An exception should have been thrown", false);
} catch (Exception ex) {
Assert.assertEquals(CancellationException.class, ex.getClass());
}
}
private class TestCancellableCallable extends CancellableCallable<String> {
private final String results;
public TestCancellableCallable(String results) {
this.results = results;
}
@Override
public String call() throws Exception {
while (!isCancelled()) {
checkForCancelled();
// System.out.println("working...");
}
return results;
}
}
}
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