| /** |
| * 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.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.fail; |
| |
| import java.io.BufferedReader; |
| import java.io.FileNotFoundException; |
| import java.io.StringReader; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.junit.Assume; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class TestStat extends FileSystemTestHelper { |
| static{ |
| FileSystem.enableSymlinks(); |
| } |
| private static Stat stat; |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| stat = new Stat(new Path("/dummypath"), |
| 4096l, false, FileSystem.get(new Configuration())); |
| } |
| |
| private class StatOutput { |
| final String doesNotExist; |
| final String directory; |
| final String file; |
| final String[] symlinks; |
| final String stickydir; |
| |
| StatOutput(String doesNotExist, String directory, String file, |
| String[] symlinks, String stickydir) { |
| this.doesNotExist = doesNotExist; |
| this.directory = directory; |
| this.file = file; |
| this.symlinks = symlinks; |
| this.stickydir = stickydir; |
| } |
| |
| void test() throws Exception { |
| BufferedReader br; |
| FileStatus status; |
| |
| try { |
| br = new BufferedReader(new StringReader(doesNotExist)); |
| stat.parseExecResult(br); |
| } catch (FileNotFoundException e) { |
| // expected |
| } |
| |
| br = new BufferedReader(new StringReader(directory)); |
| stat.parseExecResult(br); |
| status = stat.getFileStatusForTesting(); |
| assertTrue(status.isDirectory()); |
| |
| br = new BufferedReader(new StringReader(file)); |
| stat.parseExecResult(br); |
| status = stat.getFileStatusForTesting(); |
| assertTrue(status.isFile()); |
| |
| for (String symlink : symlinks) { |
| br = new BufferedReader(new StringReader(symlink)); |
| stat.parseExecResult(br); |
| status = stat.getFileStatusForTesting(); |
| assertTrue(status.isSymlink()); |
| } |
| |
| br = new BufferedReader(new StringReader(stickydir)); |
| stat.parseExecResult(br); |
| status = stat.getFileStatusForTesting(); |
| assertTrue(status.isDirectory()); |
| assertTrue(status.getPermission().getStickyBit()); |
| } |
| } |
| |
| @Test(timeout=10000) |
| public void testStatLinux() throws Exception { |
| String[] symlinks = new String[] { |
| "6,symbolic link,1373584236,1373584236,777,andrew,andrew,`link' -> `target'", |
| "6,symbolic link,1373584236,1373584236,777,andrew,andrew,'link' -> 'target'" |
| }; |
| StatOutput linux = new StatOutput( |
| "stat: cannot stat `watermelon': No such file or directory", |
| "4096,directory,1373584236,1373586485,755,andrew,root,`.'", |
| "0,regular empty file,1373584228,1373584228,644,andrew,andrew,`target'", |
| symlinks, |
| "4096,directory,1374622334,1375124212,1755,andrew,andrew,`stickydir'"); |
| linux.test(); |
| } |
| |
| @Test(timeout=10000) |
| public void testStatFreeBSD() throws Exception { |
| String[] symlinks = new String[] { |
| "6,Symbolic Link,1373508941,1373508941,120755,awang,awang,`link' -> `target'" |
| }; |
| |
| StatOutput freebsd = new StatOutput( |
| "stat: symtest/link: stat: No such file or directory", |
| "512,Directory,1373583695,1373583669,40755,awang,awang,`link' -> `'", |
| "0,Regular File,1373508937,1373508937,100644,awang,awang,`link' -> `'", |
| symlinks, |
| "512,Directory,1375139537,1375139537,41755,awang,awang,`link' -> `'"); |
| freebsd.test(); |
| } |
| |
| @Test(timeout=10000) |
| public void testStatFileNotFound() throws Exception { |
| Assume.assumeTrue(Stat.isAvailable()); |
| try { |
| stat.getFileStatus(); |
| fail("Expected FileNotFoundException"); |
| } catch (FileNotFoundException e) { |
| // expected |
| } |
| } |
| |
| @Test(timeout=10000) |
| public void testStatEnvironment() throws Exception { |
| assertEquals("C", stat.getEnvironment("LANG")); |
| } |
| |
| @Test(timeout=10000) |
| public void testStat() throws Exception { |
| Assume.assumeTrue(Stat.isAvailable()); |
| FileSystem fs = FileSystem.getLocal(new Configuration()); |
| Path testDir = new Path(getTestRootPath(fs), "teststat"); |
| fs.mkdirs(testDir); |
| Path sub1 = new Path(testDir, "sub1"); |
| Path sub2 = new Path(testDir, "sub2"); |
| fs.mkdirs(sub1); |
| fs.createSymlink(sub1, sub2, false); |
| FileStatus stat1 = new Stat(sub1, 4096l, false, fs).getFileStatus(); |
| FileStatus stat2 = new Stat(sub2, 0, false, fs).getFileStatus(); |
| assertTrue(stat1.isDirectory()); |
| assertFalse(stat2.isDirectory()); |
| fs.delete(testDir, true); |
| } |
| } |