Java tutorial
/* * Copyright 2016 Spotify AB. * * Licensed 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.spotify.scio.util; import org.apache.avro.file.CodecFactory; import org.apache.commons.lang.SerializationUtils; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; import java.util.Arrays; import java.util.List; import static org.apache.avro.file.DataFileConstants.*; import static org.junit.Assert.assertTrue; @RunWith(JUnit4.class) public class SerializableAvroCodecFactoryTest { private final List<String> avroCodecs = Arrays.asList(NULL_CODEC, SNAPPY_CODEC, DEFLATE_CODEC, XZ_CODEC, BZIP2_CODEC); @Test public void testDefaultCodecsIn() throws Exception { for (String codec : avroCodecs) { SerializableAvroCodecFactory codecFactory = new SerializableAvroCodecFactory( CodecFactory.fromString(codec)); assertTrue(codecFactory.getCodec().toString().equals(CodecFactory.fromString(codec).toString())); } } @Test public void testDefaultCodecsSerDe() throws Exception { for (String codec : avroCodecs) { SerializableAvroCodecFactory codecFactory = new SerializableAvroCodecFactory( CodecFactory.fromString(codec)); SerializableAvroCodecFactory serdeC = (SerializableAvroCodecFactory) SerializationUtils .clone(codecFactory); assertTrue(serdeC.getCodec().toString().equals(CodecFactory.fromString(codec).toString())); } } @Test public void testDeflateCodecSerDeWithLevels() throws Exception { for (int i = 0; i < 10; ++i) { SerializableAvroCodecFactory codecFactory = new SerializableAvroCodecFactory( CodecFactory.deflateCodec(i)); SerializableAvroCodecFactory serdeC = (SerializableAvroCodecFactory) SerializationUtils .clone(codecFactory); assertTrue(serdeC.getCodec().toString().equals(CodecFactory.deflateCodec(i).toString())); } } @Test public void testXZCodecSerDeWithLevels() throws Exception { for (int i = 0; i < 10; ++i) { SerializableAvroCodecFactory codecFactory = new SerializableAvroCodecFactory(CodecFactory.xzCodec(i)); SerializableAvroCodecFactory serdeC = (SerializableAvroCodecFactory) SerializationUtils .clone(codecFactory); assertTrue(serdeC.getCodec().toString().equals(CodecFactory.xzCodec(i).toString())); } } @Test(expected = NullPointerException.class) public void testNullCodecToString() throws Exception { // use default CTR (available cause Serializable) SerializableAvroCodecFactory codec = new SerializableAvroCodecFactory(); codec.toString(); } }