| package org.superbiz.executor; |
| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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. |
| */ |
| |
| import org.jboss.arquillian.container.test.api.Deployment; |
| import org.jboss.arquillian.junit.Arquillian; |
| import org.jboss.shrinkwrap.api.ShrinkWrap; |
| import org.jboss.shrinkwrap.api.asset.EmptyAsset; |
| import org.jboss.shrinkwrap.api.spec.WebArchive; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import javax.inject.Inject; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.ScheduledFuture; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import java.util.logging.Logger; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| @RunWith(Arquillian.class) |
| public class ManagedScheduledServiceTest { |
| |
| private static final Logger LOGGER = Logger.getLogger(ManagedScheduledServiceTest.class.getSimpleName()); |
| |
| @Inject |
| private ManagedScheduledService scheduledService; |
| |
| @Deployment() |
| public static final WebArchive app() { |
| return ShrinkWrap.create(WebArchive.class, "example.war") |
| .addClasses(ManagedScheduledService.class) |
| .addAsWebInfResource(EmptyAsset.INSTANCE, "beans.xml"); |
| } |
| |
| |
| /** |
| * Happy path with multiple tasks to be executed after a planed amount of time. |
| * |
| * @throws InterruptedException we don't expect it |
| * @throws ExecutionException we don't expect it |
| * @throws TimeoutException we don't expect it |
| */ |
| @Test |
| public void singleFixedDelayTask() throws InterruptedException, ExecutionException, TimeoutException { |
| final Future<Integer> futureA = scheduledService.singleFixedDelayTask(1, null); |
| final Future<Integer> futureB = scheduledService.singleFixedDelayTask(50, null); |
| LOGGER.info("Do some other work while we wait for the tasks"); |
| assertEquals(2, futureA.get(200, TimeUnit.MILLISECONDS).intValue()); |
| assertEquals(51, futureB.get(200, TimeUnit.MILLISECONDS).intValue()); |
| |
| } |
| |
| /** |
| * Happy path with single task to be executed periodically until it's canceled. |
| * |
| * @throws InterruptedException we don't expect it |
| */ |
| @Test |
| public void periodicFixedDelayTask() throws InterruptedException { |
| final CountDownLatch countDownLatch = new CountDownLatch(4); // execute 4 times |
| final ScheduledFuture<?> scheduledFuture = scheduledService.periodicFixedDelayTask(1, null, countDownLatch); |
| LOGGER.info("Do some other work while we wait for the tasks"); |
| countDownLatch.await(500, TimeUnit.MILLISECONDS); |
| if (!scheduledFuture.isCancelled()) { |
| scheduledFuture.cancel(true); |
| LOGGER.info("task stopped"); |
| } |
| } |
| |
| /** |
| * Exception happens while processing the task executed after a planed amount of time. |
| */ |
| @Test |
| public void singleFixedDelayTaskWithException() { |
| final Future<Integer> future = scheduledService.singleFixedDelayTask(1, "Planned exception"); |
| try { |
| future.get(200, TimeUnit.MILLISECONDS); |
| } catch (ExecutionException e) { |
| // the thrown RuntimeException will be wrapped around an ExecutionException |
| assertEquals("Planned exception", e.getCause().getMessage()); |
| } catch (Exception e) { |
| fail("Unexpected exception" + e); |
| } |
| } |
| |
| /** |
| * Exception happens while processing the periodic task. |
| * |
| * @throws InterruptedException we don't expect it |
| */ |
| @Test |
| public void periodicFixedDelayTaskWithException() { |
| final CountDownLatch countDownLatch = new CountDownLatch(1); |
| final ScheduledFuture<?> scheduledFuture = scheduledService.periodicFixedDelayTask(1, "Planned exception", countDownLatch); |
| |
| try { |
| countDownLatch.await(200, TimeUnit.MILLISECONDS); |
| // please note that this thread will pause here until an exception is thrown. |
| // The scheduler uses a Runnable that will never return a result. |
| scheduledFuture.get(200, TimeUnit.MILLISECONDS); |
| } catch (ExecutionException e) { |
| // the thrown RuntimeException will be wrapped around an ExecutionException |
| assertEquals("Planned exception", e.getCause().getMessage()); |
| } catch (Exception e) { |
| fail("Unexpected exception" + e); |
| } |
| |
| if (!scheduledFuture.isCancelled()) { |
| scheduledFuture.cancel(true); |
| LOGGER.info("task stopped"); |
| } |
| } |
| |
| } |