/*
* 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.jclouds.concurrent.config;
import static com.google.common.base.Throwables.getStackTraceAsString;
import static com.google.inject.name.Names.named;
import static java.lang.String.format;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.jclouds.Constants.PROPERTY_SCHEDULER_THREADS;
import static org.jclouds.concurrent.config.ExecutorServiceModuleTest.assertTraceHasSubmission;
import static org.jclouds.concurrent.config.ExecutorServiceModuleTest.incrementInitialElement;
import static org.jclouds.concurrent.config.ExecutorServiceModuleTest.runnableThrowsRTE;
import static org.testng.Assert.assertTrue;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.jclouds.lifecycle.Closer;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import com.google.common.collect.ImmutableList;
import com.google.common.util.concurrent.ListeningScheduledExecutorService;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Key;
/**
*
* @author Adrian Cole
*/
@Test
public class ScheduledExecutorServiceModuleTest {
private static final String LINE_SEPARATOR = System.getProperty("line.separator");
private Injector injector;
@BeforeClass
private void setupExecutorModule() {
ScheduledExecutorServiceModule module = new ScheduledExecutorServiceModule() {
@Override
protected void configure() {
bindConstant().annotatedWith(named(PROPERTY_SCHEDULER_THREADS)).to(1);
super.configure();
}
};
injector = Guice.createInjector(module);
}
@AfterClass
private void close() throws IOException {
ListeningScheduledExecutorService sched = injector.getInstance(Key.get(ListeningScheduledExecutorService.class,
named(PROPERTY_SCHEDULER_THREADS)));
injector.getInstance(Closer.class).close();
assertTrue(sched.isShutdown());
}
@Test
public void testShutdownOnClose() throws IOException {
Injector i = Guice.createInjector();
Closer closer = i.getInstance(Closer.class);
ListeningScheduledExecutorService executor = createMock(ListeningScheduledExecutorService.class);
ExecutorServiceModule.shutdownOnClose(executor, closer);
expect(executor.shutdownNow()).andReturn(ImmutableList.<Runnable> of()).atLeastOnce();
replay(executor);
closer.close();
verify(executor);
}
@Test(timeOut = 5000)
public void testExceptionInSubmitRunnableIncludesSubmissionTrace() throws Exception {
ListeningScheduledExecutorService sched = injector.getInstance(Key.get(ListeningScheduledExecutorService.class,
named(PROPERTY_SCHEDULER_THREADS)));
String submission = null;
try {
// this is sensitive to formatting as we are looking for the stack traces to match. if you wrap the below
// line again, you'll need to change incrementInitialElement to 3 line numbers instead of 2.
submission = getStackTraceAsString(incrementInitialElement(new RuntimeException(), 2))
.replaceFirst(format(".*%s", LINE_SEPARATOR), "");
sched.submit(runnableThrowsRTE()).get();
} catch (ExecutionException e) {
assertTraceHasSubmission(getStackTraceAsString(e), submission);
assertTraceHasSubmission(getStackTraceAsString(e.getCause()), submission);
}
}
@Test(timeOut = 5000)
public void testExceptionInScheduleWithFixedDelayRunnableIncludesSubmissionTrace() throws Exception {
ListeningScheduledExecutorService sched = injector.getInstance(Key.get(ListeningScheduledExecutorService.class,
named(PROPERTY_SCHEDULER_THREADS)));
String submission = null;
try {
// this is sensitive to formatting as we are looking for the stack traces to match. if you wrap the below
// line again, you'll need to change incrementInitialElement to 3 line numbers instead of 2.
submission = getStackTraceAsString(incrementInitialElement(new RuntimeException(), 2))
.replaceFirst(format(".*%s", LINE_SEPARATOR), "");
sched.scheduleWithFixedDelay(runnableThrowsRTE(), 0, 1, TimeUnit.MICROSECONDS).get();
} catch (ExecutionException e) {
assertTraceHasSubmission(getStackTraceAsString(e), submission);
assertTraceHasSubmission(getStackTraceAsString(e.getCause()), submission);
}
}
}