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From e..@apache.org
Subject svn commit: r1362177 - in /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs: CHANGES.txt src/test/java/org/apache/hadoop/fs/TestFcHdfsSymlink.java
Date Mon, 16 Jul 2012 18:29:25 GMT
Author: eli
Date: Mon Jul 16 18:29:25 2012
New Revision: 1362177

URL: http://svn.apache.org/viewvc?rev=1362177&view=rev
Log:
HDFS-3665. Add a test for renaming across file systems via a symlink. Contributed by Eli Collins

Modified:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestFcHdfsSymlink.java

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1362177&r1=1362176&r2=1362177&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Mon Jul 16 18:29:25 2012
@@ -336,6 +336,8 @@ Branch-2 ( Unreleased changes )
     HDFS-3537. Move libhdfs and fuse-dfs source to native subdirectories.
     (Colin Patrick McCabe via eli)
 
+    HDFS-3665. Add a test for renaming across file systems via a symlink. (eli)
+
   OPTIMIZATIONS
 
     HDFS-2982. Startup performance suffers when there are many edit log

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestFcHdfsSymlink.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestFcHdfsSymlink.java?rev=1362177&r1=1362176&r2=1362177&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestFcHdfsSymlink.java
(original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestFcHdfsSymlink.java
Mon Jul 16 18:29:25 2012
@@ -97,7 +97,7 @@ public class TestFcHdfsSymlink extends F
   }
      
   @Test
-  /** Link from Hdfs to LocalFs */
+  /** Access a file using a link that spans Hdfs to LocalFs */
   public void testLinkAcrossFileSystems() throws IOException {
     Path localDir  = new Path("file://"+getAbsoluteTestRootDir(fc)+"/test");
     Path localFile = new Path("file://"+getAbsoluteTestRootDir(fc)+"/test/file");
@@ -112,7 +112,42 @@ public class TestFcHdfsSymlink extends F
     readFile(link);
     assertEquals(fileSize, fc.getFileStatus(link).getLen());
   }
-  
+
+  @Test
+  /** Test renaming a file across two file systems using a link */
+  public void testRenameAcrossFileSystemsViaLink() throws IOException {
+    Path localDir    = new Path("file://"+getAbsoluteTestRootDir(fc)+"/test");
+    Path hdfsFile    = new Path(testBaseDir1(), "file");
+    Path link        = new Path(testBaseDir1(), "link");
+    Path hdfsFileNew = new Path(testBaseDir1(), "fileNew");
+    Path hdfsFileNewViaLink = new Path(link, "fileNew");
+    FileContext localFc = FileContext.getLocalFSFileContext();
+    localFc.delete(localDir, true);
+    localFc.mkdir(localDir, FileContext.DEFAULT_PERM, true);
+    localFc.setWorkingDirectory(localDir);
+    createAndWriteFile(fc, hdfsFile);
+    fc.createSymlink(localDir, link, false);
+    // Rename hdfs://test1/file to hdfs://test1/link/fileNew
+    // which renames to file://TEST_ROOT/test/fileNew which
+    // spans AbstractFileSystems and therefore fails.
+    try {
+      fc.rename(hdfsFile, hdfsFileNewViaLink);
+      fail("Renamed across file systems");
+    } catch (InvalidPathException ipe) {
+      // Expected
+    }
+    // Now rename hdfs://test1/link/fileNew to hdfs://test1/fileNew
+    // which renames file://TEST_ROOT/test/fileNew to hdfs://test1/fileNew
+    // which spans AbstractFileSystems and therefore fails.
+    createAndWriteFile(fc, hdfsFileNewViaLink);
+    try {
+      fc.rename(hdfsFileNewViaLink, hdfsFileNew);
+      fail("Renamed across file systems");
+    } catch (InvalidPathException ipe) {
+      // Expected
+    }
+  }
+
   @Test
   /** Test access a symlink using AbstractFileSystem */
   public void testAccessLinkFromAbstractFileSystem() throws IOException {



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