| /** |
| * 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 org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.permission.*; |
| import org.apache.hadoop.util.StringUtils; |
| import org.apache.hadoop.util.Shell; |
| |
| import java.io.*; |
| import java.util.*; |
| |
| import junit.framework.*; |
| |
| /** |
| * This class tests the local file system via the FileSystem abstraction. |
| */ |
| public class TestLocalFileSystemPermission extends TestCase { |
| static final String TEST_PATH_PREFIX = new Path(System.getProperty( |
| "test.build.data", "/tmp")).toString().replace(' ', '_') |
| + "/" + TestLocalFileSystemPermission.class.getSimpleName() + "_"; |
| |
| { |
| try { |
| ((org.apache.commons.logging.impl.Log4JLogger)FileSystem.LOG).getLogger() |
| .setLevel(org.apache.log4j.Level.DEBUG); |
| } |
| catch(Exception e) { |
| System.out.println("Cannot change log level\n" |
| + StringUtils.stringifyException(e)); |
| } |
| } |
| |
| private Path writeFile(FileSystem fs, String name) throws IOException { |
| Path f = new Path(TEST_PATH_PREFIX + name); |
| FSDataOutputStream stm = fs.create(f); |
| stm.writeBytes("42\n"); |
| stm.close(); |
| return f; |
| } |
| |
| private void cleanupFile(FileSystem fs, Path name) throws IOException { |
| assertTrue(fs.exists(name)); |
| fs.delete(name, true); |
| assertTrue(!fs.exists(name)); |
| } |
| |
| /** Test LocalFileSystem.setPermission */ |
| public void testLocalFSsetPermission() throws IOException { |
| if (Path.WINDOWS) { |
| System.out.println("Cannot run test for Windows"); |
| return; |
| } |
| Configuration conf = new Configuration(); |
| LocalFileSystem localfs = FileSystem.getLocal(conf); |
| String filename = "foo"; |
| Path f = writeFile(localfs, filename); |
| try { |
| FsPermission initialPermission = getPermission(localfs, f); |
| System.out.println(filename + ": " + initialPermission); |
| assertEquals(FsPermission.getFileDefault().applyUMask(FsPermission.getUMask(conf)), initialPermission); |
| } |
| catch(Exception e) { |
| System.out.println(StringUtils.stringifyException(e)); |
| System.out.println("Cannot run test"); |
| return; |
| } |
| |
| try { |
| // create files and manipulate them. |
| FsPermission all = new FsPermission((short)0777); |
| FsPermission none = new FsPermission((short)0); |
| |
| localfs.setPermission(f, none); |
| assertEquals(none, getPermission(localfs, f)); |
| |
| localfs.setPermission(f, all); |
| assertEquals(all, getPermission(localfs, f)); |
| } |
| finally {cleanupFile(localfs, f);} |
| } |
| |
| FsPermission getPermission(LocalFileSystem fs, Path p) throws IOException { |
| return fs.getFileStatus(p).getPermission(); |
| } |
| |
| /** Test LocalFileSystem.setOwner */ |
| public void testLocalFSsetOwner() throws IOException { |
| if (Path.WINDOWS) { |
| System.out.println("Cannot run test for Windows"); |
| return; |
| } |
| |
| Configuration conf = new Configuration(); |
| LocalFileSystem localfs = FileSystem.getLocal(conf); |
| String filename = "bar"; |
| Path f = writeFile(localfs, filename); |
| List<String> groups = null; |
| try { |
| groups = getGroups(); |
| System.out.println(filename + ": " + getPermission(localfs, f)); |
| } |
| catch(IOException e) { |
| System.out.println(StringUtils.stringifyException(e)); |
| System.out.println("Cannot run test"); |
| return; |
| } |
| if (groups == null || groups.size() < 1) { |
| System.out.println("Cannot run test: need at least one group. groups=" |
| + groups); |
| return; |
| } |
| |
| // create files and manipulate them. |
| try { |
| String g0 = groups.get(0); |
| localfs.setOwner(f, null, g0); |
| assertEquals(g0, getGroup(localfs, f)); |
| |
| if (groups.size() > 1) { |
| String g1 = groups.get(1); |
| localfs.setOwner(f, null, g1); |
| assertEquals(g1, getGroup(localfs, f)); |
| } else { |
| System.out.println("Not testing changing the group since user " + |
| "belongs to only one group."); |
| } |
| } |
| finally {cleanupFile(localfs, f);} |
| } |
| |
| static List<String> getGroups() throws IOException { |
| List<String> a = new ArrayList<String>(); |
| String s = Shell.execCommand(Shell.getGroupsCommand()); |
| for(StringTokenizer t = new StringTokenizer(s); t.hasMoreTokens(); ) { |
| a.add(t.nextToken()); |
| } |
| return a; |
| } |
| |
| String getGroup(LocalFileSystem fs, Path p) throws IOException { |
| return fs.getFileStatus(p).getGroup(); |
| } |
| } |