HADOOP-8036. svn merge -c 1245751 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1245752 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -49,6 +49,9 @@ Release 0.23.2 - UNRELEASED
 
     HADOOP-8083 javadoc generation for some modules is not done under target/ (tucu)
 
+    HADOOP-8036. TestViewFsTrash assumes the user's home directory is
+    2 levels deep. (Colin Patrick McCabe via eli)
+
 Release 0.23.1 - 2012-02-08 
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestFSMainOperationsLocalFileSystem.java

@@ -37,15 +37,15 @@ public class TestFSMainOperationsLocalFileSystem extends FSMainOperationsBaseTes
   public void setUp() throws Exception {
     Configuration conf = new Configuration();
     fcTarget = FileSystem.getLocal(conf);
-    fSys = ViewFileSystemTestSetup.setupForViewFs(
-        ViewFileSystemTestSetup.configWithViewfsScheme(), fcTarget);
+    fSys = ViewFileSystemTestSetup.setupForViewFileSystem(
+        ViewFileSystemTestSetup.createConfig(), fcTarget);
     super.setUp();
   }
   
   @After
   public void tearDown() throws Exception {
     super.tearDown();
-    ViewFileSystemTestSetup.tearDownForViewFs(fcTarget);
+    ViewFileSystemTestSetup.tearDown(fcTarget);
   }
   
   @Test

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFileSystemDelegation.java

@@ -40,12 +40,12 @@ public class TestViewFileSystemDelegation { //extends ViewFileSystemTestSetup {
 
   @BeforeClass
   public static void setup() throws Exception {
-    conf = ViewFileSystemTestSetup.configWithViewfsScheme();    
+    conf = ViewFileSystemTestSetup.createConfig();
     fs1 = setupFileSystem(new URI("fs1:/"), FakeFileSystem.class);
     fs2 = setupFileSystem(new URI("fs2:/"), FakeFileSystem.class);
     viewFs = FileSystem.get(FsConstants.VIEWFS_URI, conf);
   }
-  
+
   static FakeFileSystem setupFileSystem(URI uri, Class clazz)
       throws Exception {
     String scheme = uri.getScheme();

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/TestViewFsTrash.java

@@ -35,7 +35,6 @@ import org.mortbay.log.Log;
 public class TestViewFsTrash {
   FileSystem fsTarget;  // the target file system - the mount will point here
   FileSystem fsView;
-  Path targetTestRoot;
   Configuration conf;
 
   static class TestLFS extends LocalFileSystem {
@@ -55,52 +54,19 @@ public class TestViewFsTrash {
   @Before
   public void setUp() throws Exception {
     fsTarget = FileSystem.getLocal(new Configuration());
-    targetTestRoot = FileSystemTestHelper.getAbsoluteTestRootPath(fsTarget);
-    // In case previous test was killed before cleanup
-    fsTarget.delete(targetTestRoot, true);
-    // cleanup trash from previous run if it stuck around
-    fsTarget.delete(new Path(fsTarget.getHomeDirectory(), ".Trash/Current"),
-        true);
-    
-    fsTarget.mkdirs(targetTestRoot);
-    fsTarget.mkdirs(new Path(targetTestRoot,"dir1"));
-    
-    
-    // Now we use the mount fs to set links to user and dir
-    // in the test root
-    
-    // Set up the defaultMT in the config with our mount point links
-
-
-    conf = ViewFileSystemTestSetup.configWithViewfsScheme();
-    
-    // create a link for home directory so that trash path works
-    // set up viewfs's home dir root to point to home dir root on target
-    // But home dir is different on linux, mac etc.
-    // Figure it out by calling home dir on target
-
-    String homeDirRoot = fsTarget.getHomeDirectory()
-        .getParent().toUri().getPath();
-    ConfigUtil.addLink(conf, homeDirRoot,
-        fsTarget.makeQualified(new Path(homeDirRoot)).toUri());
-    ConfigUtil.setHomeDirConf(conf, homeDirRoot);
-    Log.info("Home dir base " + homeDirRoot);
-
-    fsView = ViewFileSystemTestSetup.setupForViewFs(conf, fsTarget);
-
-    // set working dir so that relative paths
-    //fsView.setWorkingDirectory(new Path(fsTarget.getWorkingDirectory().toUri().getPath()));
+    fsTarget.mkdirs(new Path(FileSystemTestHelper.
+        getTestRootPath(fsTarget), "dir1"));
+    conf = ViewFileSystemTestSetup.createConfig();
+    fsView = ViewFileSystemTestSetup.setupForViewFileSystem(conf, fsTarget);
     conf.set("fs.defaultFS", FsConstants.VIEWFS_URI.toString());
   }
  
-
   @After
   public void tearDown() throws Exception {
-    fsTarget.delete(targetTestRoot, true);
+    ViewFileSystemTestSetup.tearDown(fsTarget);
     fsTarget.delete(new Path(fsTarget.getHomeDirectory(), ".Trash/Current"),
         true);
   }
-
   
   @Test
   public void testTrash() throws IOException {

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/ViewFileSystemBaseTest.java

@@ -89,7 +89,7 @@ public class ViewFileSystemBaseTest {
     
     // Set up the defaultMT in the config with our mount point links
     //Configuration conf = new Configuration();
-    conf = ViewFileSystemTestSetup.configWithViewfsScheme();
+    conf = ViewFileSystemTestSetup.createConfig();
     setupMountPoints();
     fsView = FileSystem.get(FsConstants.VIEWFS_URI, conf);
   }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/viewfs/ViewFileSystemTestSetup.java

@@ -23,6 +23,7 @@ import org.apache.hadoop.fs.FileSystemTestHelper;
 import org.apache.hadoop.fs.FsConstants;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.viewfs.ConfigUtil;
+import org.mortbay.log.Log;
 
 
 /**
@@ -46,32 +47,21 @@ public class ViewFileSystemTestSetup {
    * @return return the ViewFS File context to be used for tests
    * @throws Exception
    */
-  static public FileSystem setupForViewFs(Configuration conf, FileSystem fsTarget) throws Exception {
+  static public FileSystem setupForViewFileSystem(Configuration conf, FileSystem fsTarget) throws Exception {
     /**
      * create the test root on local_fs - the  mount table will point here
      */
-    Path targetOfTests = FileSystemTestHelper.getTestRootPath(fsTarget);
-    // In case previous test was killed before cleanup
-    fsTarget.delete(targetOfTests, true);
-    
-    fsTarget.mkdirs(targetOfTests);
-  
+    fsTarget.mkdirs(FileSystemTestHelper.getTestRootPath(fsTarget));
+
+    // viewFs://home => fsTarget://home
+    String homeDirRoot = fsTarget.getHomeDirectory()
+        .getParent().toUri().getPath();
+    ConfigUtil.addLink(conf, homeDirRoot,
+        fsTarget.makeQualified(new Path(homeDirRoot)).toUri());
+    ConfigUtil.setHomeDirConf(conf, homeDirRoot);
+    Log.info("Home dir base " + homeDirRoot);
 
-    // Now set up a link from viewfs to targetfs for the first component of
-    // path of testdir. For example, if testdir is /user/<userid>/xx then
-    // a link from /user to targetfs://user.
-    
-    String testDir = FileSystemTestHelper.getTestRootPath(fsTarget).toUri().getPath();
-    int indexOf2ndSlash = testDir.indexOf('/', 1);
-    String testDirFirstComponent = testDir.substring(0, indexOf2ndSlash);
-    
-    
-    ConfigUtil.addLink(conf, testDirFirstComponent,
-        fsTarget.makeQualified(new Path(testDirFirstComponent)).toUri()); 
-    
     FileSystem fsView = FileSystem.get(FsConstants.VIEWFS_URI, conf);
-    //System.out.println("SRCOfTests = "+ getTestRootPath(fs, "test"));
-    //System.out.println("TargetOfTests = "+ targetOfTests.toUri());
     return fsView;
   }
 
@@ -79,12 +69,12 @@ public class ViewFileSystemTestSetup {
    * 
    * delete the test directory in the target  fs
    */
-  static public void tearDownForViewFs(FileSystem fsTarget) throws Exception {
+  static public void tearDown(FileSystem fsTarget) throws Exception {
     Path targetOfTests = FileSystemTestHelper.getTestRootPath(fsTarget);
     fsTarget.delete(targetOfTests, true);
   }
   
-  public static Configuration configWithViewfsScheme() {
+  public static Configuration createConfig() {
     Configuration conf = new Configuration();
     conf.set("fs.viewfs.impl", ViewFileSystem.class.getName());
     return conf;