| /** |
| * 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.storm.utils; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| import junit.framework.TestCase; |
| import org.apache.storm.multilang.BoltMsg; |
| import org.apache.storm.shade.com.google.common.collect.Lists; |
| import org.junit.Test; |
| |
| public class ShellBoltMessageQueueTest extends TestCase { |
| @Test |
| public void testPollTaskIdsFirst() throws InterruptedException { |
| ShellBoltMessageQueue queue = new ShellBoltMessageQueue(); |
| |
| // put bolt message first, then put task ids |
| queue.putBoltMsg(new BoltMsg()); |
| ArrayList<Integer> taskIds = Lists.newArrayList(1, 2, 3); |
| queue.putTaskIds(taskIds); |
| |
| Object msg = queue.poll(10, TimeUnit.SECONDS); |
| |
| // task ids should be pulled first |
| assertTrue(msg instanceof List<?>); |
| assertEquals(msg, taskIds); |
| } |
| |
| @Test |
| public void testPollWhileThereAreNoDataAvailable() throws InterruptedException { |
| ShellBoltMessageQueue queue = new ShellBoltMessageQueue(); |
| |
| long start = System.currentTimeMillis(); |
| Object msg = queue.poll(1, TimeUnit.SECONDS); |
| long finish = System.currentTimeMillis(); |
| long waitDuration = finish - start; |
| |
| assertNull(msg); |
| assertTrue("wait duration should be equal or greater than 1000, current: " + waitDuration, waitDuration >= 1000); |
| } |
| |
| @Test |
| public void testPollShouldReturnASAPWhenDataAvailable() throws InterruptedException { |
| final ShellBoltMessageQueue queue = new ShellBoltMessageQueue(); |
| final List<Integer> taskIds = Lists.newArrayList(1, 2, 3); |
| |
| Thread t = new Thread(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| Thread.sleep(1000); |
| } catch (InterruptedException e) { |
| // NOOP |
| } |
| |
| queue.putTaskIds(taskIds); |
| } |
| }); |
| t.start(); |
| |
| long start = System.currentTimeMillis(); |
| Object msg = queue.poll(10, TimeUnit.SECONDS); |
| long finish = System.currentTimeMillis(); |
| |
| assertEquals(msg, taskIds); |
| assertTrue(finish - start < (10 * 1000)); |
| } |
| } |