| /* |
| * 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.tika.server.core; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import java.util.Map; |
| import java.util.Random; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutorCompletionService; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| import org.junit.Test; |
| |
| public class ServerStatusTest { |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testBadId() throws Exception { |
| ServerStatus status = new ServerStatus("", 0); |
| status.complete(2); |
| } |
| |
| @Test(timeout = 60000) |
| public void testBasicMultiThreading() throws Exception { |
| //make sure that synchronization is basically working |
| int numThreads = 10; |
| int filesToProcess = 20; |
| ExecutorService service = Executors.newFixedThreadPool(numThreads); |
| ExecutorCompletionService<Integer> completionService = |
| new ExecutorCompletionService<>(service); |
| ServerStatus serverStatus = new ServerStatus("", 0); |
| for (int i = 0; i < numThreads; i++) { |
| completionService.submit(new MockTask(serverStatus, filesToProcess)); |
| } |
| int finished = 0; |
| int totalProcessed = 0; |
| while (finished < numThreads) { |
| Future<Integer> future = completionService.take(); |
| if (future != null) { |
| finished++; |
| Integer completed = future.get(); |
| totalProcessed += completed; |
| } |
| } |
| assertEquals(numThreads * filesToProcess, totalProcessed); |
| assertEquals(0, serverStatus.getTasks().size()); |
| assertEquals(totalProcessed, serverStatus.getFilesProcessed()); |
| |
| } |
| |
| private static class MockTask implements Callable<Integer> { |
| private final ServerStatus serverStatus; |
| private final int filesToProcess; |
| Random r = new Random(); |
| |
| public MockTask(ServerStatus serverStatus, int filesToProcess) { |
| this.serverStatus = serverStatus; |
| this.filesToProcess = filesToProcess; |
| } |
| |
| @Override |
| public Integer call() throws Exception { |
| int processed = 0; |
| for (int i = 0; i < filesToProcess; i++) { |
| sleepRandom(200); |
| long taskId = serverStatus.start(ServerStatus.TASK.PARSE, null); |
| sleepRandom(100); |
| serverStatus.complete(taskId); |
| processed++; |
| serverStatus.getStatus(); |
| sleepRandom(10); |
| serverStatus.setStatus(ServerStatus.STATUS.OPERATING); |
| sleepRandom(20); |
| Map<Long, TaskStatus> tasks = serverStatus.getTasks(); |
| assertNotNull(tasks); |
| } |
| return processed; |
| } |
| |
| private void sleepRandom(int millis) throws InterruptedException { |
| int sleep = r.nextInt(millis); |
| Thread.sleep(sleep); |
| } |
| } |
| } |