| /** |
| * 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.shell; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.util.Arrays; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class TestPathData { |
| protected static Configuration conf; |
| protected static FileSystem fs; |
| protected static String dirString; |
| protected static Path testDir; |
| protected static PathData item; |
| |
| protected static String[] d1Paths = |
| new String[] { "d1/f1", "d1/f1.1", "d1/f2" }; |
| protected static String[] d2Paths = |
| new String[] { "d2/f3" }; |
| |
| @BeforeClass |
| public static void initialize() throws Exception { |
| conf = new Configuration(); |
| fs = FileSystem.getLocal(conf); |
| testDir = new Path( |
| System.getProperty("test.build.data", "build/test/data") + "/testPD" |
| ); |
| // don't want scheme on the path, just an absolute path |
| testDir = new Path(fs.makeQualified(testDir).toUri().getPath()); |
| FileSystem.setDefaultUri(conf, fs.getUri()); |
| fs.setWorkingDirectory(testDir); |
| fs.mkdirs(new Path("d1")); |
| fs.createNewFile(new Path("d1", "f1")); |
| fs.createNewFile(new Path("d1", "f1.1")); |
| fs.createNewFile(new Path("d1", "f2")); |
| fs.mkdirs(new Path("d2")); |
| fs.create(new Path("d2","f3")); |
| } |
| |
| @Test |
| public void testWithDirStringAndConf() throws Exception { |
| dirString = "d1"; |
| item = new PathData(dirString, conf); |
| checkPathData(); |
| |
| // properly implementing symlink support in various commands will require |
| // trailing slashes to be retained |
| dirString = "d1/"; |
| item = new PathData(dirString, conf); |
| checkPathData(); |
| } |
| |
| @Test |
| public void testUnqualifiedUriContents() throws Exception { |
| dirString = "d1"; |
| item = new PathData(dirString, conf); |
| PathData[] items = item.getDirectoryContents(); |
| assertEquals( |
| sortedString("d1/f1", "d1/f1.1", "d1/f2"), |
| sortedString(items) |
| ); |
| } |
| |
| @Test |
| public void testQualifiedUriContents() throws Exception { |
| dirString = fs.makeQualified(new Path("d1")).toString(); |
| item = new PathData(dirString, conf); |
| PathData[] items = item.getDirectoryContents(); |
| assertEquals( |
| sortedString(dirString+"/f1", dirString+"/f1.1", dirString+"/f2"), |
| sortedString(items) |
| ); |
| } |
| |
| @Test |
| public void testCwdContents() throws Exception { |
| dirString = Path.CUR_DIR; |
| item = new PathData(dirString, conf); |
| PathData[] items = item.getDirectoryContents(); |
| assertEquals( |
| sortedString("d1", "d2"), |
| sortedString(items) |
| ); |
| } |
| |
| |
| @Test |
| public void testToFile() throws Exception { |
| item = new PathData(".", conf); |
| assertEquals(new File(testDir.toString()), item.toFile()); |
| item = new PathData("d1/f1", conf); |
| assertEquals(new File(testDir+"/d1/f1"), item.toFile()); |
| item = new PathData(testDir+"/d1/f1", conf); |
| assertEquals(new File(testDir+"/d1/f1"), item.toFile()); |
| } |
| |
| @Test |
| public void testAbsoluteGlob() throws Exception { |
| PathData[] items = PathData.expandAsGlob(testDir+"/d1/f1*", conf); |
| assertEquals( |
| sortedString(testDir+"/d1/f1", testDir+"/d1/f1.1"), |
| sortedString(items) |
| ); |
| } |
| |
| @Test |
| public void testRelativeGlob() throws Exception { |
| PathData[] items = PathData.expandAsGlob("d1/f1*", conf); |
| assertEquals( |
| sortedString("d1/f1", "d1/f1.1"), |
| sortedString(items) |
| ); |
| } |
| |
| @Test |
| public void testRelativeGlobBack() throws Exception { |
| fs.setWorkingDirectory(new Path("d1")); |
| PathData[] items = PathData.expandAsGlob("../d2/*", conf); |
| assertEquals( |
| sortedString("../d2/f3"), |
| sortedString(items) |
| ); |
| } |
| |
| @Test |
| public void testWithStringAndConfForBuggyPath() throws Exception { |
| dirString = "file:///tmp"; |
| testDir = new Path(dirString); |
| item = new PathData(dirString, conf); |
| // this may fail some day if Path is fixed to not crunch the uri |
| // if the authority is null, however we need to test that the PathData |
| // toString() returns the given string, while Path toString() does |
| // the crunching |
| assertEquals("file:/tmp", testDir.toString()); |
| checkPathData(); |
| } |
| |
| public void checkPathData() throws Exception { |
| assertEquals("checking fs", fs, item.fs); |
| assertEquals("checking string", dirString, item.toString()); |
| assertEquals("checking path", |
| fs.makeQualified(new Path(item.toString())), item.path |
| ); |
| assertTrue("checking exist", item.stat != null); |
| assertTrue("checking isDir", item.stat.isDirectory()); |
| } |
| |
| /* junit does a lousy job of comparing arrays |
| * if the array lengths differ, it just says that w/o showing contents |
| * this sorts the paths, and builds a string of "i:<value>, ..." suitable |
| * for a string compare |
| */ |
| private static String sortedString(Object ... list) { |
| String[] strings = new String[list.length]; |
| for (int i=0; i < list.length; i++) { |
| strings[i] = String.valueOf(list[i]); |
| } |
| Arrays.sort(strings); |
| |
| StringBuilder result = new StringBuilder(); |
| for (int i=0; i < strings.length; i++) { |
| if (result.length() > 0) { |
| result.append(", "); |
| } |
| result.append(i+":<"+strings[i]+">"); |
| } |
| return result.toString(); |
| } |
| |
| private static String sortedString(PathData ... items) { |
| return sortedString((Object[])items); |
| } |
| } |