| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * 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 com.baidu.hugegraph.computer.core.receiver; |
| |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.junit.Test; |
| |
| import com.baidu.hugegraph.computer.core.common.exception.ComputerException; |
| import com.baidu.hugegraph.computer.core.io.RandomAccessInput; |
| import com.baidu.hugegraph.computer.core.network.buffer.ManagedBuffer; |
| import com.baidu.hugegraph.testutil.Assert; |
| |
| public class MessageRecvBuffersTest { |
| |
| private static final long WAIT_TIMEOUT = 100L; //ms |
| |
| @Test |
| public void testBufferToBuffers() { |
| long threshold = 1024L; |
| int size = 100; |
| MessageRecvBuffers buffers = new MessageRecvBuffers(threshold, |
| WAIT_TIMEOUT); |
| // It's ok to wait for empty buffers |
| buffers.waitSorted(); |
| |
| for (int i = 0; i < 10; i++) { |
| addMockBufferToBuffers(buffers, size); |
| } |
| |
| Assert.assertFalse(buffers.full()); |
| Assert.assertEquals(1000L, buffers.totalBytes()); |
| |
| Assert.assertThrows(ComputerException.class, () -> { |
| buffers.waitSorted(); |
| }, e -> { |
| Assert.assertContains("Buffers have not been sorted in 100 ms", |
| e.getMessage()); |
| }); |
| |
| addMockBufferToBuffers(buffers, size); |
| Assert.assertTrue(buffers.full()); |
| |
| List<RandomAccessInput> list = buffers.buffers(); |
| Assert.assertEquals(11, list.size()); |
| |
| buffers.signalSorted(); |
| List<RandomAccessInput> list2 = buffers.buffers(); |
| Assert.assertEquals(11, list2.size()); |
| Assert.assertEquals(1100L, buffers.totalBytes()); |
| |
| // It's ok to call waitSorted multi-times |
| buffers.waitSorted(); |
| buffers.waitSorted(); |
| |
| // Next time again |
| buffers.prepareSort(); |
| List<RandomAccessInput> list3 = buffers.buffers(); |
| Assert.assertEquals(0, list3.size()); |
| Assert.assertEquals(0L, buffers.totalBytes()); |
| |
| buffers.waitSorted(); |
| |
| for (int i = 0; i < 10; i++) { |
| addMockBufferToBuffers(buffers, size); |
| } |
| |
| Assert.assertEquals(1000L, buffers.totalBytes()); |
| Assert.assertFalse(buffers.full()); |
| |
| Assert.assertThrows(ComputerException.class, () -> { |
| buffers.waitSorted(); |
| }, e -> { |
| Assert.assertContains("Buffers have not been sorted in 100 ms", |
| e.getMessage()); |
| }); |
| |
| addMockBufferToBuffers(buffers, size); |
| |
| Assert.assertTrue(buffers.full()); |
| |
| List<RandomAccessInput> list4 = buffers.buffers(); |
| Assert.assertEquals(11, list4.size()); |
| } |
| |
| @Test |
| public void testSortBuffer() throws InterruptedException { |
| long threshold = 1024L; |
| int size = 100; |
| MessageRecvBuffers buffers = new MessageRecvBuffers(threshold, |
| WAIT_TIMEOUT); |
| for (int i = 0; i < 10; i++) { |
| addMockBufferToBuffers(buffers, size); |
| } |
| CountDownLatch countDownLatch = new CountDownLatch(2); |
| ExecutorService executorService = Executors.newFixedThreadPool(2); |
| |
| executorService.submit(() -> { |
| buffers.waitSorted(); |
| countDownLatch.countDown(); |
| }); |
| |
| executorService.submit(() -> { |
| buffers.signalSorted(); |
| countDownLatch.countDown(); |
| }); |
| |
| executorService.shutdown(); |
| countDownLatch.await(); |
| } |
| |
| @Test |
| public void testWaitSortTimeout() { |
| long threshold = 1024L; |
| int size = 100; |
| MessageRecvBuffers buffers = new MessageRecvBuffers(threshold, |
| WAIT_TIMEOUT); |
| for (int i = 0; i < 10; i++) { |
| addMockBufferToBuffers(buffers, size); |
| } |
| |
| Assert.assertThrows(ComputerException.class, () -> { |
| buffers.waitSorted(); |
| }, e -> { |
| Assert.assertContains("Buffers have not been sorted in 100 ms", |
| e.getMessage()); |
| }); |
| } |
| |
| @Test |
| public void testSortInterrupt() throws InterruptedException { |
| long threshold = 1024L; |
| int size = 100; |
| MessageRecvBuffers buffers = new MessageRecvBuffers(threshold, |
| WAIT_TIMEOUT); |
| for (int i = 0; i < 10; i++) { |
| addMockBufferToBuffers(buffers, size); |
| } |
| AtomicBoolean success = new AtomicBoolean(false); |
| CountDownLatch countDownLatch = new CountDownLatch(1); |
| Thread sortThread = new Thread(() -> { |
| buffers.waitSorted(); |
| }); |
| sortThread.setUncaughtExceptionHandler((t, e) -> { |
| String expected = "Interrupted while waiting buffers to be sorted"; |
| try { |
| Assert.assertContains(expected, e.getMessage()); |
| success.set(true); |
| } finally { |
| countDownLatch.countDown(); |
| } |
| }); |
| sortThread.start(); |
| sortThread.interrupt(); |
| countDownLatch.await(); |
| Assert.assertTrue(success.get()); |
| } |
| |
| public static void addMockBufferToBuffers(MessageRecvBuffers buffers, |
| int mockBufferLength) { |
| ReceiverUtil.consumeBuffer(new byte[mockBufferLength], |
| (ManagedBuffer buffer) -> { |
| buffers.addBuffer(buffer); |
| }); |
| } |
| } |