| /** |
| * 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.viewfs; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.net.URISyntaxException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.FileUtil; |
| import org.apache.hadoop.fs.FsConstants; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.DataInputBuffer; |
| import org.apache.hadoop.io.DataOutputBuffer; |
| |
| import org.junit.AfterClass; |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| |
| /** |
| * The FileStatus is being serialized in MR as jobs are submitted. |
| * Since viewfs has overlayed ViewFsFileStatus, we ran into |
| * serialization problems. THis test is test the fix. |
| */ |
| public class TestViewfsFileStatus { |
| |
| private static final File TEST_DIR = |
| new File(System.getProperty("test.build.data", "/tmp"), |
| TestViewfsFileStatus.class.getSimpleName()); |
| |
| @Test |
| public void testFileStatusSerialziation() |
| throws IOException, URISyntaxException { |
| String testfilename = "testFileStatusSerialziation"; |
| TEST_DIR.mkdirs(); |
| File infile = new File(TEST_DIR, testfilename); |
| final byte[] content = "dingos".getBytes(); |
| |
| FileOutputStream fos = null; |
| try { |
| fos = new FileOutputStream(infile); |
| fos.write(content); |
| } finally { |
| if (fos != null) { |
| fos.close(); |
| } |
| } |
| assertEquals((long)content.length, infile.length()); |
| |
| Configuration conf = new Configuration(); |
| ConfigUtil.addLink(conf, "/foo/bar/baz", TEST_DIR.toURI()); |
| FileSystem vfs = FileSystem.get(FsConstants.VIEWFS_URI, conf); |
| assertEquals(ViewFileSystem.class, vfs.getClass()); |
| FileStatus stat = vfs.getFileStatus(new Path("/foo/bar/baz", testfilename)); |
| assertEquals(content.length, stat.getLen()); |
| // check serialization/deserialization |
| DataOutputBuffer dob = new DataOutputBuffer(); |
| stat.write(dob); |
| DataInputBuffer dib = new DataInputBuffer(); |
| dib.reset(dob.getData(), 0, dob.getLength()); |
| FileStatus deSer = new FileStatus(); |
| deSer.readFields(dib); |
| assertEquals(content.length, deSer.getLen()); |
| } |
| |
| @AfterClass |
| public static void cleanup() throws IOException { |
| FileUtil.fullyDelete(TEST_DIR); |
| } |
| |
| } |