| /** |
| * 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.oozie.compression; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.oozie.service.Services; |
| import org.apache.oozie.test.XTestCase; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestCodecFactory extends XTestCase { |
| |
| private Services services; |
| |
| @Override |
| @Before |
| protected void setUp() throws Exception { |
| super.setUp(); |
| services = new Services(); |
| services.getConf().set(CodecFactory.COMPRESSION_OUTPUT_CODEC, GzipCompressionCodec.CODEC_NAME); |
| services.init(); |
| } |
| |
| @Override |
| @After |
| protected void tearDown() throws Exception { |
| services.destroy(); |
| super.tearDown(); |
| } |
| |
| @Test |
| public void testCompressionCodecs() throws IOException { |
| assertTrue(CodecFactory.isCompressionEnabled()); |
| assertEquals(GzipCompressionCodec.class, CodecFactory.getCompressionCodec().getClass()); |
| byte[] bytes = CodecFactory.getHeaderBytes(); |
| DataInputStream dais = new DataInputStream(new ByteArrayInputStream(bytes)); |
| assertEquals(GzipCompressionCodec.class, CodecFactory.getDeCompressionCodec(dais).getClass()); |
| dais.close(); |
| } |
| |
| @Test |
| public void testCompression() throws IOException { |
| byte[] headerBytes = CodecFactory.getHeaderBytes(); |
| byte[] compressedBytes = CodecFactory.getCompressionCodec().compressString(headerBytes, "dummmmyyyy"); |
| DataInputStream dais = new DataInputStream(new ByteArrayInputStream(compressedBytes)); |
| String uncompressed = CodecFactory.getDeCompressionCodec(dais).decompressToString(dais); |
| assertEquals("dummmmyyyy", uncompressed); |
| dais.close(); |
| } |
| |
| @Test |
| public void testCodecFactoryConf() throws Exception { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| DataOutputStream daos = new DataOutputStream(baos); |
| // magic data |
| daos.write(CodecFactory.COMPRESSION_MAGIC_DATA.getBytes(CodecFactory.UTF_8_ENCODING)); |
| // version |
| daos.writeInt(1); |
| // no of key value pairs |
| daos.writeInt(1); |
| daos.writeUTF(CodecFactory.COMPRESSION_KEY_HEADER); |
| daos.writeUTF(GzipCompressionCodec.CODEC_NAME); |
| daos.close(); |
| assertEquals(new String(baos.toByteArray(), StandardCharsets.UTF_8), |
| new String(CodecFactory.getHeaderBytes(),StandardCharsets.UTF_8)); |
| Configuration conf = services.getConf(); |
| conf.set(CodecFactory.COMPRESSION_OUTPUT_CODEC, "none"); |
| CodecFactory.initialize(conf); |
| assertTrue(!CodecFactory.isCompressionEnabled()); |
| conf.set(CodecFactory.COMPRESSION_OUTPUT_CODEC, ""); |
| CodecFactory.initialize(conf); |
| assertTrue(!CodecFactory.isCompressionEnabled()); |
| conf.set(CodecFactory.COMPRESSION_CODECS, "gz=" + GzipCompressionCodec.class.getName()); |
| CodecFactory.initialize(conf); |
| conf.set(CodecFactory.COMPRESSION_OUTPUT_CODEC, "abcd"); |
| try { |
| CodecFactory.initialize(conf); |
| } |
| catch (Exception e) { |
| // expected |
| } |
| } |
| } |