| /* |
| * 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.drill.exec.store.dfs; |
| |
| import org.apache.drill.categories.UnlikelyTest; |
| import org.apache.drill.exec.ExecTest; |
| import org.apache.drill.test.ClusterFixture; |
| import org.apache.drill.test.ClusterFixtureBuilder; |
| import org.apache.drill.test.ClusterTest; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.IOUtils; |
| import org.apache.hadoop.io.compress.CompressionCodec; |
| import org.apache.hadoop.io.compress.CompressionCodecFactory; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import static org.junit.Assert.assertNotNull; |
| |
| @Category(UnlikelyTest.class) |
| public class TestCompressedFiles extends ClusterTest { |
| |
| private static FileSystem fs; |
| private static CompressionCodecFactory factory; |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| ClusterFixtureBuilder builder = ClusterFixture.builder(dirTestWatcher); |
| startCluster(builder); |
| |
| fs = ExecTest.getLocalFileSystem(); |
| Configuration conf = fs.getConf(); |
| conf.set(CommonConfigurationKeys.IO_COMPRESSION_CODECS_KEY, ZipCodec.class.getCanonicalName()); |
| factory = new CompressionCodecFactory(conf); |
| } |
| |
| @Test |
| public void testGzip() throws Exception { |
| String fileName = "gz_data.csvh.gz"; |
| writeData(fileName, "gzip", "id,name\n1,Fred\n2,Wilma"); |
| |
| testBuilder() |
| .sqlQuery("select * from dfs.`root`.`%s`", fileName) |
| .unOrdered() |
| .baselineColumns("id", "name") |
| .baselineValues("1", "Fred") |
| .baselineValues("2", "Wilma") |
| .go(); |
| } |
| |
| @Test |
| public void testBzip2() throws Exception { |
| String fileName = "bzip2_data.csvh.bz2"; |
| writeData(fileName, "bzip2", "id,name\n3,Bamm-Bamm\n4,Barney"); |
| |
| testBuilder() |
| .sqlQuery("select * from dfs.`root`.`%s`", fileName) |
| .unOrdered() |
| .baselineColumns("id", "name") |
| .baselineValues("3", "Bamm-Bamm") |
| .baselineValues("4", "Barney") |
| .go(); |
| } |
| |
| @Test |
| public void testZip() throws Exception { |
| String fileName = "zip_data.csvh.zip"; |
| writeData(fileName, "zip", "id,name\n5,Dino\n6,Pebbles"); |
| |
| testBuilder() |
| .sqlQuery("select * from dfs.`root`.`%s`", fileName) |
| .unOrdered() |
| .baselineColumns("id", "name") |
| .baselineValues("5", "Dino") |
| .baselineValues("6", "Pebbles") |
| .go(); |
| } |
| |
| private void writeData(String fileName, String codecName, String data) throws IOException { |
| CompressionCodec codec = factory.getCodecByName(codecName); |
| assertNotNull(codecName + " is not found", codec); |
| Path outFile = new Path(dirTestWatcher.getRootDir().getAbsolutePath(), fileName); |
| try (InputStream inputStream = new ByteArrayInputStream(data.getBytes()); |
| OutputStream outputStream = codec.createOutputStream(fs.create(outFile))) { |
| IOUtils.copyBytes(inputStream, outputStream, fs.getConf(), false); |
| } |
| } |
| } |