| /** |
| * 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.mapred; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.util.Arrays; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.IOUtils; |
| |
| public class TestMultiFileSplit extends TestCase{ |
| |
| public void testReadWrite() throws Exception { |
| MultiFileSplit split = new MultiFileSplit(new JobConf(), new Path[] {new Path("/test/path/1"), new Path("/test/path/2")}, new long[] {100,200}); |
| |
| ByteArrayOutputStream bos = null; |
| byte[] result = null; |
| try { |
| bos = new ByteArrayOutputStream(); |
| split.write(new DataOutputStream(bos)); |
| result = bos.toByteArray(); |
| } finally { |
| IOUtils.closeStream(bos); |
| } |
| |
| MultiFileSplit readSplit = new MultiFileSplit(); |
| ByteArrayInputStream bis = null; |
| try { |
| bis = new ByteArrayInputStream(result); |
| readSplit.readFields(new DataInputStream(bis)); |
| } finally { |
| IOUtils.closeStream(bis); |
| } |
| |
| assertTrue(split.getLength() != 0); |
| assertEquals(split.getLength(), readSplit.getLength()); |
| assertTrue(Arrays.equals(split.getPaths(), readSplit.getPaths())); |
| assertTrue(Arrays.equals(split.getLengths(), readSplit.getLengths())); |
| System.out.println(split.toString()); |
| } |
| } |