YARN-2270. Made TestFSDownload#testDownloadPublicWithStatCache be skipped when there’s no ancestor permissions. Contributed by Akira Ajisaka.

svn merge --ignore-ancestry -c 1612460 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.5@1612462 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -328,6 +328,9 @@ Release 2.5.0 - UNRELEASED
     YARN-2158. Improved assertion messages of TestRMWebServicesAppsModification.
     (Varun Vasudev via zjshen)
 
+    YARN-2270. Made TestFSDownload#testDownloadPublicWithStatCache be skipped
+    when there’s no ancestor permissions. (Akira Ajisaka via zjshen)
+
 Release 2.4.1 - 2014-06-23 
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java

@@ -177,9 +177,10 @@ public class FSDownload implements Callable<Path> {
   /**
    * Returns true if all ancestors of the specified path have the 'execute'
    * permission set for all users (i.e. that other users can traverse
-   * the directory heirarchy to the given path)
+   * the directory hierarchy to the given path)
    */
-  private static boolean ancestorsHaveExecutePermissions(FileSystem fs,
+  @VisibleForTesting
+  static boolean ancestorsHaveExecutePermissions(FileSystem fs,
       Path path, LoadingCache<Path,Future<FileStatus>> statCache)
       throws IOException {
     Path current = path;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestFSDownload.java

@@ -23,6 +23,7 @@ import static org.apache.hadoop.fs.CreateFlag.OVERWRITE;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assume.assumeTrue;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -66,6 +67,7 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.LocalDirAllocator;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.permission.FsPermission;
+import org.apache.hadoop.util.Shell;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.LocalResource;
 import org.apache.hadoop.yarn.api.records.LocalResourceType;
@@ -308,6 +310,11 @@ public class TestFSDownload {
     FileContext files = FileContext.getLocalFSFileContext(conf);
     Path basedir = files.makeQualified(new Path("target",
       TestFSDownload.class.getSimpleName()));
+
+    // if test directory doesn't have ancestor permission, skip this test
+    FileSystem f = basedir.getFileSystem(conf);
+    assumeTrue(FSDownload.ancestorsHaveExecutePermissions(f, basedir, null));
+
     files.mkdir(basedir, null, true);
     conf.setStrings(TestFSDownload.class.getName(), basedir.toString());