| /** |
| * 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.cloudera.sqoop.io; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.compress.CompressionCodec; |
| import org.apache.hadoop.io.compress.GzipCodec; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.junit.Rule; |
| |
| import org.junit.rules.ExpectedException; |
| |
| /** |
| * Test looking up codecs by name. |
| */ |
| public class TestCodecMap { |
| |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| private void verifyCodec(Class<?> c, String codecName) |
| throws UnsupportedCodecException { |
| CompressionCodec codec = CodecMap.getCodec(codecName, new Configuration()); |
| assertEquals(codec.getClass(), c); |
| } |
| |
| @Test |
| public void testGetCodecNames() { |
| // gzip is picked up from Hadoop defaults |
| assertTrue(CodecMap.getCodecNames().contains("gzip")); |
| } |
| |
| @Test |
| public void testGetCodec() throws IOException { |
| verifyCodec(GzipCodec.class, "gzip"); |
| verifyCodec(GzipCodec.class, "Gzip"); |
| verifyCodec(GzipCodec.class, "GZIP"); |
| verifyCodec(GzipCodec.class, "gzipcodec"); |
| verifyCodec(GzipCodec.class, "GzipCodec"); |
| verifyCodec(GzipCodec.class, "GZIPCODEC"); |
| verifyCodec(GzipCodec.class, "org.apache.hadoop.io.compress.GzipCodec"); |
| } |
| |
| @Test |
| public void testGetShortName() throws UnsupportedCodecException { |
| verifyShortName("gzip", "org.apache.hadoop.io.compress.GzipCodec"); |
| verifyShortName("default", "org.apache.hadoop.io.compress.DefaultCodec"); |
| |
| thrown.expect(UnsupportedCodecException.class); |
| thrown.reportMissingExceptionWithMessage("Expected UnsupportedCodecException with invalid codec name during getting " + |
| "short codec name"); |
| verifyShortName("NONE", "bogus"); |
| } |
| |
| private void verifyShortName(String expected, String codecName) |
| throws UnsupportedCodecException { |
| assertEquals(expected, |
| CodecMap.getCodecShortNameByName(codecName, new Configuration())); |
| } |
| |
| @Test |
| public void testUnrecognizedCodec() throws UnsupportedCodecException { |
| thrown.expect(UnsupportedCodecException.class); |
| thrown.reportMissingExceptionWithMessage("Expected UnsupportedCodecException with invalid codec name"); |
| CodecMap.getCodec("bogus", new Configuration()); |
| } |
| |
| } |