| /** |
| * 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.distributedlog; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| |
| import org.apache.distributedlog.io.Buffer; |
| import org.apache.distributedlog.io.CompressionCodec; |
| import org.apache.bookkeeper.stats.NullStatsLogger; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class TestEnvelopedEntry { |
| |
| static final Logger LOG = LoggerFactory.getLogger(TestEnvelopedEntry.class); |
| |
| private String getString(boolean compressible) { |
| if (compressible) { |
| StringBuilder builder = new StringBuilder(); |
| for(int i = 0; i < 1000; i++) { |
| builder.append('A'); |
| } |
| return builder.toString(); |
| } |
| return "DistributedLogEnvelopedEntry"; |
| } |
| |
| @Test(timeout = 20000) |
| public void testEnvelope() throws Exception { |
| byte[] data = getString(false).getBytes(); |
| EnvelopedEntry writeEntry = new EnvelopedEntry(EnvelopedEntry.CURRENT_VERSION, |
| CompressionCodec.Type.NONE, |
| data, |
| data.length, |
| new NullStatsLogger()); |
| Buffer outBuf = new Buffer(2 * data.length); |
| writeEntry.writeFully(new DataOutputStream(outBuf)); |
| EnvelopedEntry readEntry = new EnvelopedEntry(EnvelopedEntry.CURRENT_VERSION, |
| new NullStatsLogger()); |
| readEntry.readFully(new DataInputStream(new ByteArrayInputStream(outBuf.getData()))); |
| byte[] newData = readEntry.getDecompressedPayload(); |
| Assert.assertEquals("Written data should equal read data", new String(data), new String(newData)); |
| } |
| |
| @Test(timeout = 20000) |
| public void testLZ4Compression() throws Exception { |
| byte[] data = getString(true).getBytes(); |
| EnvelopedEntry writeEntry = new EnvelopedEntry(EnvelopedEntry.CURRENT_VERSION, |
| CompressionCodec.Type.LZ4, |
| data, |
| data.length, |
| new NullStatsLogger()); |
| Buffer outBuf = new Buffer(data.length); |
| writeEntry.writeFully(new DataOutputStream(outBuf)); |
| Assert.assertTrue(data.length > outBuf.size()); |
| EnvelopedEntry readEntry = new EnvelopedEntry(EnvelopedEntry.CURRENT_VERSION, |
| new NullStatsLogger()); |
| readEntry.readFully(new DataInputStream(new ByteArrayInputStream(outBuf.getData()))); |
| byte[] newData = readEntry.getDecompressedPayload(); |
| Assert.assertEquals("Written data should equal read data", new String(data), new String(newData)); |
| } |
| } |