HDFS-3665. Add a test for renaming across file systems via a symlink. Contributed by Eli Collins
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1362177 13f79535-47bb-0310-9956-ffa450edef68
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@ -336,6 +336,8 @@ Branch-2 ( Unreleased changes )
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HDFS-3537. Move libhdfs and fuse-dfs source to native subdirectories.
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(Colin Patrick McCabe via eli)
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HDFS-3665. Add a test for renaming across file systems via a symlink. (eli)
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OPTIMIZATIONS
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HDFS-2982. Startup performance suffers when there are many edit log
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@ -97,7 +97,7 @@ public static void testTearDown() throws Exception {
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}
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@Test
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/** Link from Hdfs to LocalFs */
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/** Access a file using a link that spans Hdfs to LocalFs */
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public void testLinkAcrossFileSystems() throws IOException {
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Path localDir = new Path("file://"+getAbsoluteTestRootDir(fc)+"/test");
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Path localFile = new Path("file://"+getAbsoluteTestRootDir(fc)+"/test/file");
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@ -113,6 +113,41 @@ public void testLinkAcrossFileSystems() throws IOException {
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assertEquals(fileSize, fc.getFileStatus(link).getLen());
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}
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@Test
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/** Test renaming a file across two file systems using a link */
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public void testRenameAcrossFileSystemsViaLink() throws IOException {
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Path localDir = new Path("file://"+getAbsoluteTestRootDir(fc)+"/test");
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Path hdfsFile = new Path(testBaseDir1(), "file");
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Path link = new Path(testBaseDir1(), "link");
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Path hdfsFileNew = new Path(testBaseDir1(), "fileNew");
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Path hdfsFileNewViaLink = new Path(link, "fileNew");
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FileContext localFc = FileContext.getLocalFSFileContext();
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localFc.delete(localDir, true);
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localFc.mkdir(localDir, FileContext.DEFAULT_PERM, true);
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localFc.setWorkingDirectory(localDir);
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createAndWriteFile(fc, hdfsFile);
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fc.createSymlink(localDir, link, false);
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// Rename hdfs://test1/file to hdfs://test1/link/fileNew
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// which renames to file://TEST_ROOT/test/fileNew which
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// spans AbstractFileSystems and therefore fails.
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try {
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fc.rename(hdfsFile, hdfsFileNewViaLink);
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fail("Renamed across file systems");
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} catch (InvalidPathException ipe) {
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// Expected
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}
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// Now rename hdfs://test1/link/fileNew to hdfs://test1/fileNew
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// which renames file://TEST_ROOT/test/fileNew to hdfs://test1/fileNew
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// which spans AbstractFileSystems and therefore fails.
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createAndWriteFile(fc, hdfsFileNewViaLink);
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try {
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fc.rename(hdfsFileNewViaLink, hdfsFileNew);
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fail("Renamed across file systems");
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} catch (InvalidPathException ipe) {
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// Expected
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}
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}
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@Test
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/** Test access a symlink using AbstractFileSystem */
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public void testAccessLinkFromAbstractFileSystem() throws IOException {
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