'addDFSPermission'

Author: tclxgf13871

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSPermission.java

@@ -30,6 +30,7 @@
 import java.util.Map;
 import java.util.Random;
 
+import org.apache.hadoop.test.GenericTestUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -260,6 +261,33 @@ private void createAndCheckPermission(OpType op, Path name, short umask,
     checkPermission(name, expectedPermission, delete);
   }
 
+  @Test
+  public void testFSNamesystemCheckAccess() throws Exception {
+    Path testValidDir = new Path("/test1");
+    Path testValidFile = new Path("/test1/file1");
+    Path testInvalidPath = new Path("/test2");
+    fs = FileSystem.get(conf);
+
+    fs.mkdirs(testValidDir);
+    fs.create(testValidFile);
+
+    fs.access(testValidDir,FsAction.READ);
+    fs.access(testValidFile,FsAction.READ);
+
+    assertTrue(fs.exists(testValidDir));
+    assertTrue(fs.exists(testValidFile));
+
+    try {
+      fs.access(testInvalidPath,FsAction.READ);
+      fail("Failed to get expected FileNotFoundException");
+    } catch (FileNotFoundException e) {
+      GenericTestUtils.assertExceptionContains(
+              "Path not found: " + testInvalidPath, e);
+    } finally {
+      fs.delete(testValidDir,true);
+    }
+  }
+
   /* Check if the permission of a file/directory is the same as the
    * expected permission; If the delete flag is true, delete the
    * file/directory afterwards.
@@ -289,7 +317,7 @@ public void testImmutableFsPermission() throws IOException {
     fs.setPermission(new Path("/"),
         FsPermission.createImmutable((short)0777));
   }
-  
+
   @Test(timeout=30000)
   public void testTrashPermission() throws Exception {
     //  /BSS                  user1:group2 777