[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | package org.apache.hadoop.hdfs; |
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| 19 | |
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| 20 | import junit.framework.TestCase; |
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| 21 | import java.io.*; |
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| 22 | import org.apache.hadoop.conf.Configuration; |
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| 23 | import org.apache.hadoop.fs.FileSystem; |
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| 24 | import org.apache.hadoop.fs.Path; |
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| 25 | |
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| 26 | |
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| 27 | /** |
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| 28 | * This class tests that the DFS command mkdirs cannot create subdirectories |
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| 29 | * from a file when passed an illegal path. HADOOP-281. |
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| 30 | */ |
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| 31 | public class TestDFSMkdirs extends TestCase { |
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| 32 | |
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| 33 | private void writeFile(FileSystem fileSys, Path name) throws IOException { |
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| 34 | DataOutputStream stm = fileSys.create(name); |
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| 35 | stm.writeBytes("wchien"); |
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| 36 | stm.close(); |
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| 37 | } |
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| 38 | |
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| 39 | /** |
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| 40 | * Tests mkdirs can create a directory that does not exist and will |
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| 41 | * not create a subdirectory off a file. |
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| 42 | */ |
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| 43 | public void testDFSMkdirs() throws IOException { |
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| 44 | Configuration conf = new Configuration(); |
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| 45 | MiniDFSCluster cluster = new MiniDFSCluster(conf, 2, true, null); |
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| 46 | FileSystem fileSys = cluster.getFileSystem(); |
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| 47 | try { |
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| 48 | // First create a new directory with mkdirs |
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| 49 | Path myPath = new Path("/test/mkdirs"); |
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| 50 | assertTrue(fileSys.mkdirs(myPath)); |
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| 51 | assertTrue(fileSys.exists(myPath)); |
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| 52 | assertTrue(fileSys.mkdirs(myPath)); |
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| 53 | |
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| 54 | // Second, create a file in that directory. |
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| 55 | Path myFile = new Path("/test/mkdirs/myFile"); |
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| 56 | writeFile(fileSys, myFile); |
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| 57 | |
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| 58 | // Third, use mkdir to create a subdirectory off of that file, |
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| 59 | // and check that it fails. |
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| 60 | Path myIllegalPath = new Path("/test/mkdirs/myFile/subdir"); |
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| 61 | Boolean exist = true; |
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| 62 | try { |
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| 63 | fileSys.mkdirs(myIllegalPath); |
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| 64 | } catch (IOException e) { |
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| 65 | exist = false; |
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| 66 | } |
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| 67 | assertFalse(exist); |
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| 68 | assertFalse(fileSys.exists(myIllegalPath)); |
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| 69 | fileSys.delete(myFile, true); |
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| 70 | |
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| 71 | } finally { |
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| 72 | fileSys.close(); |
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| 73 | cluster.shutdown(); |
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| 74 | } |
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| 75 | } |
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| 76 | } |
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