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From sur...@apache.org
Subject svn commit: r1423450 - in /hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common: CHANGES.txt src/main/java/org/apache/hadoop/fs/FileStatus.java src/test/java/org/apache/hadoop/fs/TestFileStatus.java
Date Tue, 18 Dec 2012 14:45:04 GMT
Author: suresh
Date: Tue Dec 18 14:45:03 2012
New Revision: 1423450

URL: http://svn.apache.org/viewvc?rev=1423450&view=rev
Log:
HADOOP-9147. Merging change 1423444 from trunk

Modified:
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileStatus.java

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1423450&r1=1423449&r2=1423450&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt Tue Dec
18 14:45:03 2012
@@ -101,6 +101,9 @@ Release 2.0.3-alpha - Unreleased 
     HADOOP-9004. Allow security unit tests to use external KDC. (Stephen Chu
     via suresh)
 
+    HADOOP-9147. Add missing fields to FIleStatus.toString.
+    (Jonathan Allen via suresh)
+
   OPTIMIZATIONS
 
     HADOOP-8866. SampleQuantiles#query is O(N^2) instead of O(N). (Andrew Wang

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java?rev=1423450&r1=1423449&r2=1423450&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileStatus.java
Tue Dec 18 14:45:03 2012
@@ -336,4 +336,29 @@ public class FileStatus implements Writa
   public int hashCode() {
     return getPath().hashCode();
   }
+  
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append(getClass().getSimpleName()); 
+    sb.append("{");
+    sb.append("path=" + path);
+    sb.append("; isDirectory=" + isdir);
+    if(!isDirectory()){
+      sb.append("; length=" + length);
+      sb.append("; replication=" + block_replication);
+      sb.append("; blocksize=" + blocksize);
+    }
+    sb.append("; modification_time=" + modification_time);
+    sb.append("; access_time=" + access_time);
+    sb.append("; owner=" + owner);
+    sb.append("; group=" + group);
+    sb.append("; permission=" + permission);
+    sb.append("; isSymlink=" + isSymlink());
+    if(isSymlink()) {
+      sb.append("; symlink=" + symlink);
+    }
+    sb.append("}");
+    return sb.toString();
+  }
 }

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileStatus.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileStatus.java?rev=1423450&r1=1423449&r2=1423450&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileStatus.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileStatus.java
Tue Dec 18 14:45:03 2012
@@ -25,18 +25,34 @@ import java.io.DataInput;
 import java.io.DataInputStream;
 import java.io.DataOutput;
 import java.io.DataOutputStream;
+import java.io.IOException;
 
 import org.junit.Test;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.permission.FsPermission;
 
 public class TestFileStatus {
 
   private static final Log LOG =
     LogFactory.getLog(TestFileStatus.class);
-
+  
+  /** Values for creating {@link FileStatus} in some tests */
+  static final int LENGTH = 1;
+  static final int REPLICATION = 2;
+  static final long BLKSIZE = 3;
+  static final long MTIME = 4;
+  static final long ATIME = 5;
+  static final String OWNER = "owner";
+  static final String GROUP = "group";
+  static final FsPermission PERMISSION = FsPermission.valueOf("-rw-rw-rw-");
+  static final Path PATH = new Path("path");
+
+  /**
+   * Check that the write and readField methods work correctly.
+   */
   @Test
   public void testFileStatusWritable() throws Exception {
     FileStatus[] tests = {
@@ -68,4 +84,181 @@ public class TestFileStatus {
       iterator++;
     }
   }
+  
+  /**
+   * Check that the full parameter constructor works correctly.
+   */
+  @Test
+  public void constructorFull() throws IOException {
+    boolean isdir = false;
+    Path symlink = new Path("symlink");
+    FileStatus fileStatus = new FileStatus(LENGTH, isdir, REPLICATION, BLKSIZE,
+        MTIME, ATIME, PERMISSION, OWNER, GROUP, symlink, PATH);
+    
+    validateAccessors(fileStatus, LENGTH, isdir, REPLICATION, BLKSIZE, MTIME,
+      ATIME, PERMISSION, OWNER, GROUP, symlink, PATH);
+  }
+
+  /**
+   * Check that the non-symlink constructor works correctly.
+   */
+  @Test
+  public void constructorNoSymlink() throws IOException {
+    boolean isdir = true;  
+    FileStatus fileStatus = new FileStatus(LENGTH, isdir, REPLICATION, BLKSIZE,
+        MTIME, ATIME, PERMISSION, OWNER, GROUP, PATH);
+    validateAccessors(fileStatus, LENGTH, isdir, REPLICATION, BLKSIZE, MTIME,
+        ATIME, PERMISSION, OWNER, GROUP, null, PATH);
+  }
+
+  /**
+   * Check that the constructor without owner, group and permissions works
+   * correctly.
+   */
+  @Test
+  public void constructorNoOwner() throws IOException {
+    boolean isdir = true;    
+    FileStatus fileStatus = new FileStatus(LENGTH, isdir,
+        REPLICATION, BLKSIZE, MTIME, PATH);   
+    validateAccessors(fileStatus, LENGTH, isdir, REPLICATION, BLKSIZE, MTIME,
+        0, FsPermission.getDefault(), "", "", null, PATH);
+  }
+
+  /**
+   * Check that the no parameter constructor works correctly.
+   */
+  @Test
+  public void constructorBlank() throws IOException {
+    FileStatus fileStatus = new FileStatus();  
+    validateAccessors(fileStatus, 0, false, 0, 0, 0,
+        0, FsPermission.getDefault(), "", "", null, null);
+  }
+
+  /**
+   * Check that FileStatus are equal if their paths are equal.
+   */
+  @Test
+  public void testEquals() {
+    Path path = new Path("path");
+    FileStatus fileStatus1 = new FileStatus(1, true, 1, 1, 1, 1,
+        FsPermission.valueOf("-rw-rw-rw-"), "one", "one", null, path);
+    FileStatus fileStatus2 = new FileStatus(2, true, 2, 2, 2, 2,
+        FsPermission.valueOf("---x--x--x"), "two", "two", null, path);
+    assertEquals(fileStatus1, fileStatus2);
+  }
+
+  /**
+   * Check that FileStatus are not equal if their paths are not equal.
+   */
+  @Test
+  public void testNotEquals() {
+    Path path1 = new Path("path1");
+    Path path2 = new Path("path2");
+    FileStatus fileStatus1 = new FileStatus(1, true, 1, 1, 1, 1,
+        FsPermission.valueOf("-rw-rw-rw-"), "one", "one", null, path1);
+    FileStatus fileStatus2 = new FileStatus(1, true, 1, 1, 1, 1,
+        FsPermission.valueOf("-rw-rw-rw-"), "one", "one", null, path2);
+    assertFalse(fileStatus1.equals(fileStatus2));
+    assertFalse(fileStatus2.equals(fileStatus1));
+  }
+
+  /**
+   * Check that toString produces the expected output for a file.
+   */
+  @Test
+  public void toStringFile() throws IOException {
+    boolean isdir = false; 
+    FileStatus fileStatus = new FileStatus(LENGTH, isdir, REPLICATION, BLKSIZE,
+        MTIME, ATIME, PERMISSION, OWNER, GROUP, null, PATH);   
+    validateToString(fileStatus);
+  }
+  
+  /**
+   * Check that toString produces the expected output for a directory.
+   */
+  @Test
+  public void toStringDir() throws IOException {
+    FileStatus fileStatus = new FileStatus(LENGTH, true, REPLICATION, BLKSIZE,
+        MTIME, ATIME, PERMISSION, OWNER, GROUP, null, PATH); 
+    validateToString(fileStatus);
+  }
+  
+  /**
+   * Check that toString produces the expected output for a symlink.
+   */
+  @Test
+  public void toStringSymlink() throws IOException {
+    boolean isdir = false;
+    Path symlink = new Path("symlink");
+    FileStatus fileStatus = new FileStatus(LENGTH, isdir, REPLICATION, BLKSIZE,
+        MTIME, ATIME, PERMISSION, OWNER, GROUP, symlink, PATH);  
+    validateToString(fileStatus);
+  }
+  
+  /**
+   * Validate the accessors for FileStatus.
+   * @param fileStatus FileStatus to checked
+   * @param length expected length
+   * @param isdir expected isDirectory
+   * @param replication expected replication
+   * @param blocksize expected blocksize
+   * @param mtime expected modification time
+   * @param atime expected access time
+   * @param permission expected permission
+   * @param owner expected owner
+   * @param group expected group
+   * @param symlink expected symlink
+   * @param path expected path
+   */
+  private void validateAccessors(FileStatus fileStatus,
+    long length, boolean isdir, int replication, long blocksize, long mtime,
+    long atime, FsPermission permission, String owner, String group,
+    Path symlink, Path path) throws IOException {
+    
+    assertEquals(length, fileStatus.getLen());
+    assertEquals(isdir, fileStatus.isDirectory());
+    assertEquals(replication, fileStatus.getReplication());
+    assertEquals(blocksize, fileStatus.getBlockSize());
+    assertEquals(mtime, fileStatus.getModificationTime());
+    assertEquals(atime, fileStatus.getAccessTime());
+    assertEquals(permission, fileStatus.getPermission());
+    assertEquals(owner, fileStatus.getOwner());
+    assertEquals(group, fileStatus.getGroup());
+    if(symlink == null) {
+      assertFalse(fileStatus.isSymlink());
+    } else {
+      assertTrue(fileStatus.isSymlink());
+      assertEquals(symlink, fileStatus.getSymlink());
+    }
+    assertEquals(path, fileStatus.getPath());
+  }
+
+  /**
+   * Validates the toString method for FileStatus.
+   * @param fileStatus FileStatus to be validated
+   */
+  private void validateToString(FileStatus fileStatus) throws IOException {
+    StringBuilder expected = new StringBuilder();
+    expected.append("FileStatus{");
+    expected.append("path=").append(fileStatus.getPath()).append("; ");
+    expected.append("isDirectory=").append(fileStatus.isDirectory()).append("; ");
+    if(!fileStatus.isDirectory()) {
+      expected.append("length=").append(fileStatus.getLen()).append("; ");
+      expected.append("replication=").append(fileStatus.getReplication()).append("; ");
+      expected.append("blocksize=").append(fileStatus.getBlockSize()).append("; ");
+    }
+    expected.append("modification_time=").append(fileStatus.getModificationTime()).append(";
");
+    expected.append("access_time=").append(fileStatus.getAccessTime()).append("; ");
+    expected.append("owner=").append(fileStatus.getOwner()).append("; ");
+    expected.append("group=").append(fileStatus.getGroup()).append("; ");
+    expected.append("permission=").append(fileStatus.getPermission()).append("; ");
+    if(fileStatus.isSymlink()) {
+      expected.append("isSymlink=").append(true).append("; ");
+      expected.append("symlink=").append(fileStatus.getSymlink()).append("}");
+    } else {
+      expected.append("isSymlink=").append(false).append("}");
+    }
+    
+    assertEquals(expected.toString(), fileStatus.toString());
+  }
 }



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