| /* |
| * 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.nemo.runtime.executor.data; |
| |
| import org.apache.commons.lang.RandomStringUtils; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * Tests {@link DirectByteBufferOutputStream}. |
| */ |
| public class DirectByteBufferOutputStreamTest { |
| private DirectByteBufferOutputStream outputStream; |
| private static final MemoryPoolAssigner memoryPoolAssigner = new MemoryPoolAssigner(1, 32); |
| |
| @Before |
| public void setup() throws MemoryAllocationException { |
| outputStream = new DirectByteBufferOutputStream(memoryPoolAssigner); |
| } |
| |
| @Test |
| public void testSingleWrite() throws IOException { |
| int value = 1; |
| outputStream.write(value); |
| assertEquals(value, outputStream.toByteArray()[0]); |
| } |
| |
| @Test |
| public void testWrite() throws IOException { |
| String value = "value"; |
| outputStream.write(value.getBytes()); |
| assertEquals(value, new String(outputStream.toByteArray())); |
| } |
| |
| @Test |
| public void testReWrite() throws IOException { |
| String value1 = "value1"; |
| String value2 = "value2"; |
| outputStream.write(value1.getBytes()); |
| assertEquals(value1, new String(outputStream.toByteArray())); |
| outputStream.write(value2.getBytes()); |
| assertEquals(value1+value2, new String(outputStream.toByteArray())); |
| } |
| |
| @Test |
| public void testReRead() throws IOException { |
| String value = "value"; |
| outputStream.write(value.getBytes()); |
| assertEquals(value, new String(outputStream.toByteArray())); |
| assertEquals(value, new String(outputStream.toByteArray())); |
| } |
| |
| @Test |
| public void testLongWrite() throws IOException { |
| String value = RandomStringUtils.randomAlphanumeric(10000); |
| outputStream.write(value.getBytes()); |
| assertEquals(value,new String(outputStream.toByteArray())); |
| } |
| |
| @Test |
| public void testLongReWrite() throws IOException { |
| String value1 = RandomStringUtils.randomAlphanumeric(10000); |
| String value2 = RandomStringUtils.randomAlphanumeric(5000); |
| outputStream.write(value1.getBytes()); |
| assertEquals(value1, new String(outputStream.toByteArray())); |
| outputStream.write(value2.getBytes()); |
| assertEquals(value1+value2, new String(outputStream.toByteArray())); |
| } |
| |
| @Test |
| public void testLongReRead() throws IOException { |
| String value = RandomStringUtils.randomAlphanumeric(10000); |
| outputStream.write(value.getBytes()); |
| assertEquals(value, new String(outputStream.toByteArray())); |
| assertEquals(value, new String(outputStream.toByteArray())); |
| } |
| |
| @Test |
| public void testGetMemoryChunkList() throws IOException { |
| String value = RandomStringUtils.randomAlphanumeric(10000); |
| outputStream.write(value.getBytes()); |
| byte[] totalOutput = outputStream.toByteArray(); |
| List<MemoryChunk> chunkList = outputStream.getMemoryChunkList(); |
| int offset = 0; |
| int byteToRead; |
| for (final MemoryChunk temp : chunkList) { |
| byteToRead = temp.getBuffer().remaining(); |
| byte[] output = new byte[byteToRead]; |
| temp.getBuffer().get(output, 0, byteToRead); |
| byte[] expected = Arrays.copyOfRange(totalOutput, offset, offset+byteToRead); |
| assertEquals(new String(expected), new String(output)); |
| offset += byteToRead; |
| } |
| } |
| } |