| /** |
| * 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.hadoop.io.file.tfile; |
| |
| import java.io.IOException; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.file.tfile.DTFile.Writer; |
| import org.junit.Assert; |
| |
| /** |
| * |
| * Byte arrays test case class using GZ compression codec, base class of none |
| * and LZO compression classes. |
| * |
| */ |
| public class TestTFileComparators extends TestCase { |
| private static String ROOT = |
| System.getProperty("test.build.data", "target/tfile-test"); |
| |
| private final static int BLOCK_SIZE = 512; |
| private FileSystem fs; |
| private Configuration conf; |
| private Path path; |
| private FSDataOutputStream out; |
| private Writer writer; |
| |
| private String compression = Compression.Algorithm.GZ.getName(); |
| private String outputFile = "TFileTestComparators"; |
| /* |
| * pre-sampled numbers of records in one block, based on the given the |
| * generated key and value strings |
| */ |
| // private int records1stBlock = 4314; |
| // private int records2ndBlock = 4108; |
| private int records1stBlock = 4480; |
| private int records2ndBlock = 4263; |
| |
| @Override |
| public void setUp() throws IOException { |
| conf = new Configuration(); |
| path = new Path(ROOT, outputFile); |
| fs = path.getFileSystem(conf); |
| out = fs.create(path); |
| } |
| |
| @Override |
| public void tearDown() throws IOException { |
| fs.delete(path, true); |
| } |
| |
| // bad comparator format |
| public void testFailureBadComparatorNames() throws IOException { |
| try { |
| writer = new Writer(out, BLOCK_SIZE, compression, "badcmp", conf); |
| Assert.fail("Failed to catch unsupported comparator names"); |
| } |
| catch (Exception e) { |
| // noop, expecting exceptions |
| e.printStackTrace(); |
| } |
| } |
| |
| // jclass that doesn't exist |
| public void testFailureBadJClassNames() throws IOException { |
| try { |
| writer = |
| new Writer(out, BLOCK_SIZE, compression, |
| "jclass: some.non.existence.clazz", conf); |
| Assert.fail("Failed to catch unsupported comparator names"); |
| } |
| catch (Exception e) { |
| // noop, expecting exceptions |
| e.printStackTrace(); |
| } |
| } |
| |
| // class exists but not a RawComparator |
| public void testFailureBadJClasses() throws IOException { |
| try { |
| writer = |
| new Writer(out, BLOCK_SIZE, compression, |
| "jclass:org.apache.hadoop.io.file.tfile.Chunk", conf); |
| Assert.fail("Failed to catch unsupported comparator names"); |
| } |
| catch (Exception e) { |
| // noop, expecting exceptions |
| e.printStackTrace(); |
| } |
| } |
| |
| private void closeOutput() throws IOException { |
| if (writer != null) { |
| writer.close(); |
| writer = null; |
| } |
| if (out != null) { |
| out.close(); |
| out = null; |
| } |
| } |
| } |