| /** |
| * 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.fs; |
| |
| import static org.junit.Assert.*; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataInput; |
| import java.io.DataInputStream; |
| import java.io.DataOutput; |
| import java.io.DataOutputStream; |
| |
| import org.junit.Test; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.Path; |
| |
| public class TestFileStatus { |
| |
| private static final Log LOG = |
| LogFactory.getLog(TestFileStatus.class); |
| |
| @Test |
| public void testFileStatusWritable() throws Exception { |
| FileStatus[] tests = { |
| new FileStatus(1,false,5,3,4,5,null,"","",new Path("/a/b")), |
| new FileStatus(0,false,1,2,3,new Path("/")), |
| new FileStatus(1,false,5,3,4,5,null,"","",new Path("/a/b")) |
| }; |
| |
| LOG.info("Writing FileStatuses to a ByteArrayOutputStream"); |
| // Writing input list to ByteArrayOutputStream |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| DataOutput out = new DataOutputStream(baos); |
| for (FileStatus fs : tests) { |
| fs.write(out); |
| } |
| |
| LOG.info("Creating ByteArrayInputStream object"); |
| DataInput in = |
| new DataInputStream(new ByteArrayInputStream(baos.toByteArray())); |
| |
| |
| LOG.info("Testing if read objects are equal to written ones"); |
| FileStatus dest = new FileStatus(); |
| int iterator = 0; |
| for (FileStatus fs : tests) { |
| dest.readFields(in); |
| assertEquals("Different FileStatuses in iteration " + iterator, |
| dest, fs); |
| iterator++; |
| } |
| } |
| } |