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From cdoug...@apache.org
Subject svn commit: r1577397 - in /hadoop/common/branches/branch-2/hadoop-common-project: hadoop-common/ hadoop-common/src/test/java/org/apache/hadoop/fs/ hadoop-common/src/test/java/org/apache/hadoop/io/ hadoop-common/src/test/java/org/apache/hadoop/ipc/ hado...
Date Fri, 14 Mar 2014 00:47:04 GMT
Author: cdouglas
Date: Fri Mar 14 00:47:04 2014
New Revision: 1577397

URL: http://svn.apache.org/r1577397
Log:
HADOOP-3679. Fixup assert ordering in unit tests to yield meaningful error
messages. Contributed by Jay Vyas

Modified:
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/CHANGES.txt
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestPath.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestStat.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestDataByteBuffers.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestIOUtils.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestText.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetworkTopologyWithNodeGroup.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericsUtil.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestFileHandle.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestIdUserGroup.java
    hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/oncrpc/TestXDR.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=1577397&r1=1577396&r2=1577397&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 Fri Mar
14 00:47:04 2014
@@ -67,6 +67,9 @@ Release 2.4.0 - UNRELEASED
     HADOOP-10386. Log proxy hostname in various exceptions being thrown in a HA
     setup. (wheat9)
 
+    HADOOP-3679. Fixup assert ordering in unit tests to yield meaningful error
+    messages. (Jay Vyas via cdouglas)
+
   OPTIMIZATIONS
 
   BUG FIXES

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestPath.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestPath.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestPath.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestPath.java
Fri Mar 14 00:47:04 2014
@@ -278,11 +278,11 @@ public class TestPath extends TestCase {
     Path child  = new Path("foo2://bar2/baz2");
     assertEquals(child, new Path(parent, child));
   }
-  
+
   @Test (timeout = 30000)
   public void testScheme() throws java.io.IOException {
-    assertEquals("foo:/bar", new Path("foo:/","/bar").toString()); 
-    assertEquals("foo://bar/baz", new Path("foo://bar/","/baz").toString()); 
+    assertEquals("foo:/bar", new Path("foo:/","/bar").toString());
+    assertEquals("foo://bar/baz", new Path("foo://bar/","/baz").toString());
   }
 
   @Test (timeout = 30000)
@@ -311,12 +311,19 @@ public class TestPath extends TestCase {
   @Test (timeout = 30000)
   public void testPathToUriConversion() throws URISyntaxException, IOException {
     // Path differs from URI in that it ignores the query part..
-    assertEquals(new URI(null, null, "/foo?bar", null, null),  new Path("/foo?bar").toUri());
-    assertEquals(new URI(null, null, "/foo\"bar", null, null), new Path("/foo\"bar").toUri());
-    assertEquals(new URI(null, null, "/foo bar", null, null),  new Path("/foo bar").toUri());
-    // therefore "foo?bar" is a valid Path, so a URI created from a Path has path "foo?bar"

-    // where in a straight URI the path part is just "foo"
-    assertEquals("/foo?bar", new Path("http://localhost/foo?bar").toUri().getPath());
+    assertEquals("? mark char in to URI",
+            new URI(null, null, "/foo?bar", null, null),
+            new Path("/foo?bar").toUri());
+    assertEquals("escape slashes chars in to URI",
+            new URI(null, null, "/foo\"bar", null, null),
+            new Path("/foo\"bar").toUri());
+    assertEquals("spaces in chars to URI",
+            new URI(null, null, "/foo bar", null, null),
+            new Path("/foo bar").toUri());
+    // therefore "foo?bar" is a valid Path, so a URI created from a Path
+    // has path "foo?bar" where in a straight URI the path part is just "foo"
+    assertEquals("/foo?bar",
+            new Path("http://localhost/foo?bar").toUri().getPath());
     assertEquals("/foo",     new URI("http://localhost/foo?bar").getPath());
 
     // The path part handling in Path is equivalent to URI
@@ -332,11 +339,14 @@ public class TestPath extends TestCase {
   @Test (timeout = 30000)
   public void testReservedCharacters() throws URISyntaxException, IOException {
     // URI encodes the path
-    assertEquals("/foo%20bar", new URI(null, null, "/foo bar", null, null).getRawPath());
+    assertEquals("/foo%20bar",
+            new URI(null, null, "/foo bar", null, null).getRawPath());
     // URI#getPath decodes the path
-    assertEquals("/foo bar",   new URI(null, null, "/foo bar", null, null).getPath());
+    assertEquals("/foo bar",
+            new URI(null, null, "/foo bar", null, null).getPath());
     // URI#toString returns an encoded path
-    assertEquals("/foo%20bar", new URI(null, null, "/foo bar", null, null).toString());
+    assertEquals("/foo%20bar",
+            new URI(null, null, "/foo bar", null, null).toString());
     assertEquals("/foo%20bar", new Path("/foo bar").toUri().toString());
     // Reserved chars are not encoded
     assertEquals("/foo;bar",   new URI("/foo;bar").getPath());
@@ -345,12 +355,17 @@ public class TestPath extends TestCase {
     assertEquals("/foo+bar",   new URI("/foo+bar").getRawPath());
 
     // URI#getPath decodes the path part (and URL#getPath does not decode)
-    assertEquals("/foo bar",   new Path("http://localhost/foo bar").toUri().getPath());
-    assertEquals("/foo%20bar", new Path("http://localhost/foo bar").toUri().toURL().getPath());
-    assertEquals("/foo?bar",   new URI("http", "localhost", "/foo?bar", null, null).getPath());
-    assertEquals("/foo%3Fbar", new URI("http", "localhost", "/foo?bar", null, null).toURL().getPath());
+    assertEquals("/foo bar",
+            new Path("http://localhost/foo bar").toUri().getPath());
+    assertEquals("/foo%20bar",
+            new Path("http://localhost/foo bar").toUri().toURL().getPath());
+    assertEquals("/foo?bar",
+            new URI("http", "localhost", "/foo?bar", null, null).getPath());
+    assertEquals("/foo%3Fbar",
+            new URI("http", "localhost", "/foo?bar", null, null).
+                toURL().getPath());
   }
-  
+
   @Test (timeout = 30000)
   public void testMakeQualified() throws URISyntaxException {
     URI defaultUri = new URI("hdfs://host1/dir1");

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestStat.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestStat.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestStat.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestStat.java
Fri Mar 14 00:47:04 2014
@@ -125,10 +125,10 @@ public class TestStat extends FileSystem
       // expected
     }
   }
-  
+
   @Test(timeout=10000)
   public void testStatEnvironment() throws Exception {
-    assertEquals(stat.getEnvironment("LANG"), "C");
+    assertEquals("C", stat.getEnvironment("LANG"));
   }
 
   @Test(timeout=10000)

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestDataByteBuffers.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestDataByteBuffers.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestDataByteBuffers.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestDataByteBuffers.java
Fri Mar 14 00:47:04 2014
@@ -139,24 +139,25 @@ public class TestDataByteBuffers {
     writeJunk(dob, r, seed, 1000);
     writeJunk(dobb, r, seed, 1000);
     byte[] check = toBytes(dobb.getData(), dobb.getLength());
-    assertEquals(dob.getLength(), check.length);
-    assertArrayEquals(Arrays.copyOf(dob.getData(), dob.getLength()), check);
+    assertEquals(check.length, dob.getLength());
+    assertArrayEquals(check, Arrays.copyOf(dob.getData(), dob.getLength()));
 
     dob.reset();
     dobb.reset();
     writeJunk(dob, r, seed, 3000);
     writeJunk(dobb, r, seed, 3000);
     check = toBytes(dobb.getData(), dobb.getLength());
-    assertEquals(dob.getLength(), check.length);
-    assertArrayEquals(Arrays.copyOf(dob.getData(), dob.getLength()), check);
+    assertEquals(check.length, dob.getLength());
+    assertArrayEquals(check, Arrays.copyOf(dob.getData(), dob.getLength()));
 
     dob.reset();
     dobb.reset();
     writeJunk(dob, r, seed, 1000);
     writeJunk(dobb, r, seed, 1000);
     check = toBytes(dobb.getData(), dobb.getLength());
-    assertEquals(dob.getLength(), check.length);
-    assertArrayEquals(Arrays.copyOf(dob.getData(), dob.getLength()), check);
+    assertEquals("Failed Checking length = " + check.length,
+            check.length, dob.getLength());
+    assertArrayEquals(check, Arrays.copyOf(dob.getData(), dob.getLength()));
   }
 
   @Test

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestIOUtils.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestIOUtils.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestIOUtils.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestIOUtils.java
Fri Mar 14 00:47:04 2014
@@ -190,16 +190,16 @@ public class TestIOUtils {
         IOUtils.skipFully(in, 2);
         fail("expected to get a PrematureEOFException");
       } catch (EOFException e) {
-        assertEquals(e.getMessage(), "Premature EOF from inputStream " +
-            "after skipping 1 byte(s).");
+        assertEquals("Premature EOF from inputStream " +
+                "after skipping 1 byte(s).",e.getMessage());
       }
       in.reset();
       try {
         IOUtils.skipFully(in, 20);
         fail("expected to get a PrematureEOFException");
       } catch (EOFException e) {
-        assertEquals(e.getMessage(), "Premature EOF from inputStream " +
-            "after skipping 5 byte(s).");
+        assertEquals("Premature EOF from inputStream " +
+                "after skipping 5 byte(s).",e.getMessage());
       }
       in.reset();
       IOUtils.skipFully(in, 5);
@@ -207,8 +207,8 @@ public class TestIOUtils {
         IOUtils.skipFully(in, 10);
         fail("expected to get a PrematureEOFException");
       } catch (EOFException e) {
-        assertEquals(e.getMessage(), "Premature EOF from inputStream " +
-            "after skipping 0 byte(s).");
+        assertEquals("Premature EOF from inputStream " +
+                "after skipping 0 byte(s).",e.getMessage());
       }
     } finally {
       in.close();

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestText.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestText.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestText.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestText.java
Fri Mar 14 00:47:04 2014
@@ -212,10 +212,13 @@ public class TestText extends TestCase {
           
       assertEquals(ret1, ret2);
           
-      // test equal
-      assertEquals(txt1.compareTo(txt3), 0);
-      assertEquals(comparator.compare(out1.getData(), 0, out3.getLength(),
-                                      out3.getData(), 0, out3.getLength()), 0);
+      assertEquals("Equivalence of different txt objects, same content" ,
+              0,
+              txt1.compareTo(txt3));
+      assertEquals("Equvalence of data output buffers",
+              0,
+              comparator.compare(out1.getData(), 0, out3.getLength(),
+                      out3.getData(), 0, out3.getLength()));
     }
   }
       
@@ -287,7 +290,7 @@ public class TestText extends TestCase {
 
     @Override
     public void run() {
-      String name = this.getName();
+      final String name = this.getName();
       DataOutputBuffer out = new DataOutputBuffer();
       DataInputBuffer in = new DataInputBuffer();
       for (int i=0; i < 1000; ++i) {
@@ -298,7 +301,7 @@ public class TestText extends TestCase {
           in.reset(out.getData(), out.getLength());
           String s = WritableUtils.readString(in);
           
-          assertEquals(name, s);
+          assertEquals("input buffer reset contents = " + name, name, s);
         } catch (Exception ioe) {
           throw new RuntimeException(ioe);
         }
@@ -388,13 +391,19 @@ public class TestText extends TestCase {
     }
   }
   
-  public void testUtf8Length() {         
-    assertEquals("testUtf8Length1 error   !!!", 1, Text.utf8Length(new String(new char[]{(char)1})));
-    assertEquals("testUtf8Length127 error !!!", 1, Text.utf8Length(new String(new char[]{(char)127})));
-    assertEquals("testUtf8Length128 error !!!", 2, Text.utf8Length(new String(new char[]{(char)128})));
-    assertEquals("testUtf8Length193 error !!!", 2, Text.utf8Length(new String(new char[]{(char)193})));
   
-    assertEquals("testUtf8Length225 error !!!", 2, Text.utf8Length(new String(new char[]{(char)225})));
-    assertEquals("testUtf8Length254 error !!!", 2, Text.utf8Length(new String(new char[]{(char)254})));
                
+  public void testUtf8Length() {
+    assertEquals("testUtf8Length1 error   !!!",
+            1, Text.utf8Length(new String(new char[]{(char)1})));
+    assertEquals("testUtf8Length127 error !!!",
+            1, Text.utf8Length(new String(new char[]{(char)127})));
+    assertEquals("testUtf8Length128 error !!!",
+            2, Text.utf8Length(new String(new char[]{(char)128})));
+    assertEquals("testUtf8Length193 error !!!",
+            2, Text.utf8Length(new String(new char[]{(char)193})));
+    assertEquals("testUtf8Length225 error !!!",
+            2, Text.utf8Length(new String(new char[]{(char)225})));
+    assertEquals("testUtf8Length254 error !!!",
+            2, Text.utf8Length(new String(new char[]{(char)254})));
   }
   
   public static void main(String[] args)  throws Exception

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestRPC.java
Fri Mar 14 00:47:04 2014
@@ -228,7 +228,7 @@ public class TestRPC {
         assertTrue("Exception from RPC exchange() "  + e, false);
       }
       assertEquals(indata.length, outdata.length);
-      assertEquals(val, 3);
+      assertEquals(3, val);
       for (int i = 0; i < outdata.length; i++) {
         assertEquals(outdata[i], i);
       }
@@ -468,17 +468,17 @@ public class TestRPC {
     assertTrue(Arrays.equals(stringResults, null));
 
     UTF8 utf8Result = (UTF8)proxy.echo(new UTF8("hello world"));
-    assertEquals(utf8Result, new UTF8("hello world"));
+    assertEquals(new UTF8("hello world"), utf8Result );
 
     utf8Result = (UTF8)proxy.echo((UTF8)null);
-    assertEquals(utf8Result, null);
+    assertEquals(null, utf8Result);
 
     int intResult = proxy.add(1, 2);
     assertEquals(intResult, 3);
 
     intResult = proxy.add(new int[] {1, 2});
     assertEquals(intResult, 3);
-    
+
     // Test protobufs
     EnumDescriptorProto sendProto =
       EnumDescriptorProto.newBuilder().setName("test").build();
@@ -603,28 +603,28 @@ public class TestRPC {
     } finally {
       server.stop();
     }
-    assertEquals(bindAddr.getAddress(), InetAddress.getLocalHost());
+    assertEquals(InetAddress.getLocalHost(), bindAddr.getAddress());
   }
-  
+
   @Test
   public void testAuthorization() throws IOException {
     Configuration conf = new Configuration();
     conf.setBoolean(CommonConfigurationKeys.HADOOP_SECURITY_AUTHORIZATION,
         true);
-    
+
     // Expect to succeed
     conf.set(ACL_CONFIG, "*");
     doRPCs(conf, false);
-    
+
     // Reset authorization to expect failure
     conf.set(ACL_CONFIG, "invalid invalid");
     doRPCs(conf, true);
-    
+
     conf.setInt(CommonConfigurationKeys.IPC_SERVER_RPC_READ_THREADS_KEY, 2);
     // Expect to succeed
     conf.set(ACL_CONFIG, "*");
     doRPCs(conf, false);
-    
+
     // Reset authorization to expect failure
     conf.set(ACL_CONFIG, "invalid invalid");
     doRPCs(conf, true);
@@ -659,42 +659,42 @@ public class TestRPC {
    */
   @Test
   public void testStopMockObject() throws IOException {
-    RPC.stopProxy(MockitoUtil.mockProtocol(TestProtocol.class)); 
+    RPC.stopProxy(MockitoUtil.mockProtocol(TestProtocol.class));
   }
-  
+
   @Test
   public void testStopProxy() throws IOException {
     StoppedProtocol proxy = RPC.getProxy(StoppedProtocol.class,
         StoppedProtocol.versionID, null, conf);
     StoppedInvocationHandler invocationHandler = (StoppedInvocationHandler)
         Proxy.getInvocationHandler(proxy);
-    assertEquals(invocationHandler.getCloseCalled(), 0);
+    assertEquals(0, invocationHandler.getCloseCalled());
     RPC.stopProxy(proxy);
-    assertEquals(invocationHandler.getCloseCalled(), 1);
+    assertEquals(1, invocationHandler.getCloseCalled());
   }
-  
+
   @Test
   public void testWrappedStopProxy() throws IOException {
     StoppedProtocol wrappedProxy = RPC.getProxy(StoppedProtocol.class,
         StoppedProtocol.versionID, null, conf);
     StoppedInvocationHandler invocationHandler = (StoppedInvocationHandler)
         Proxy.getInvocationHandler(wrappedProxy);
-    
+
     StoppedProtocol proxy = (StoppedProtocol) RetryProxy.create(StoppedProtocol.class,
         wrappedProxy, RetryPolicies.RETRY_FOREVER);
-    
-    assertEquals(invocationHandler.getCloseCalled(), 0);
+
+    assertEquals(0, invocationHandler.getCloseCalled());
     RPC.stopProxy(proxy);
-    assertEquals(invocationHandler.getCloseCalled(), 1);
+    assertEquals(1, invocationHandler.getCloseCalled());
   }
-  
+
   @Test
   public void testErrorMsgForInsecureClient() throws IOException {
     Configuration serverConf = new Configuration(conf);
     SecurityUtil.setAuthenticationMethod(AuthenticationMethod.KERBEROS,
                                          serverConf);
     UserGroupInformation.setConfiguration(serverConf);
-    
+
     final Server server = new RPC.Builder(serverConf).setProtocol(TestProtocol.class)
         .setInstance(new TestImpl()).setBindAddress(ADDRESS).setPort(0)
         .setNumHandlers(5).setVerbose(true).build();

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetworkTopologyWithNodeGroup.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetworkTopologyWithNodeGroup.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetworkTopologyWithNodeGroup.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetworkTopologyWithNodeGroup.java
Fri Mar 14 00:47:04 2014
@@ -54,17 +54,17 @@ public class TestNetworkTopologyWithNode
 
   @Test
   public void testNumOfChildren() throws Exception {
-    assertEquals(cluster.getNumOfLeaves(), dataNodes.length);
+    assertEquals(dataNodes.length, cluster.getNumOfLeaves());
   }
 
   @Test
   public void testNumOfRacks() throws Exception {
-    assertEquals(cluster.getNumOfRacks(), 3);
+    assertEquals(3, cluster.getNumOfRacks());
   }
 
   @Test
   public void testRacks() throws Exception {
-    assertEquals(cluster.getNumOfRacks(), 3);
+    assertEquals(3, cluster.getNumOfRacks());
     assertTrue(cluster.isOnSameRack(dataNodes[0], dataNodes[1]));
     assertTrue(cluster.isOnSameRack(dataNodes[1], dataNodes[2]));
     assertFalse(cluster.isOnSameRack(dataNodes[2], dataNodes[3]));
@@ -76,7 +76,7 @@ public class TestNetworkTopologyWithNode
 
   @Test
   public void testNodeGroups() throws Exception {
-    assertEquals(cluster.getNumOfRacks(), 3);
+    assertEquals(3, cluster.getNumOfRacks());
     assertTrue(cluster.isOnSameNodeGroup(dataNodes[0], dataNodes[1]));
     assertFalse(cluster.isOnSameNodeGroup(dataNodes[1], dataNodes[2]));
     assertFalse(cluster.isOnSameNodeGroup(dataNodes[2], dataNodes[3]));
@@ -88,11 +88,11 @@ public class TestNetworkTopologyWithNode
 
   @Test
   public void testGetDistance() throws Exception {
-    assertEquals(cluster.getDistance(dataNodes[0], dataNodes[0]), 0);
-    assertEquals(cluster.getDistance(dataNodes[0], dataNodes[1]), 2);
-    assertEquals(cluster.getDistance(dataNodes[0], dataNodes[2]), 4);
-    assertEquals(cluster.getDistance(dataNodes[0], dataNodes[3]), 6);
-    assertEquals(cluster.getDistance(dataNodes[0], dataNodes[6]), 8);
+    assertEquals(0, cluster.getDistance(dataNodes[0], dataNodes[0]));
+    assertEquals(2, cluster.getDistance(dataNodes[0], dataNodes[1]));
+    assertEquals(4, cluster.getDistance(dataNodes[0], dataNodes[2]));
+    assertEquals(6, cluster.getDistance(dataNodes[0], dataNodes[3]));
+    assertEquals(8, cluster.getDistance(dataNodes[0], dataNodes[6]));
   }
 
   @Test

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericsUtil.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericsUtil.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericsUtil.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestGenericsUtil.java
Fri Mar 14 00:47:04 2014
@@ -28,100 +28,107 @@ import org.apache.hadoop.conf.Configurat
 public class TestGenericsUtil extends TestCase {
 
   public void testToArray() {
-    
+
     //test a list of size 10
-    List<Integer> list = new ArrayList<Integer>(); 
-    
+    List<Integer> list = new ArrayList<Integer>();
+
     for(int i=0; i<10; i++) {
       list.add(i);
     }
-    
+
     Integer[] arr = GenericsUtil.toArray(list);
-    
+
     for (int i = 0; i < arr.length; i++) {
-      assertEquals(list.get(i), arr[i]);
+      assertEquals(
+              "Array has identical elements as input list",
+              list.get(i), arr[i]);
     }
   }
-  
+
   public void testWithEmptyList() {
     try {
       List<String> list = new ArrayList<String>();
       String[] arr = GenericsUtil.toArray(list);
       fail("Empty array should throw exception");
       System.out.println(arr); //use arr so that compiler will not complain
-      
+
     }catch (IndexOutOfBoundsException ex) {
       //test case is successful
     }
   }
- 
+
   public void testWithEmptyList2() {
     List<String> list = new ArrayList<String>();
     //this method should not throw IndexOutOfBoundsException
     String[] arr = GenericsUtil.<String>toArray(String.class, list);
-    
-    assertEquals(0, arr.length);
+
+    assertEquals("Assert list creation w/ no elements results in length 0",
+            0, arr.length);
   }
-  
+
   /** This class uses generics */
   private class GenericClass<T> {
     T dummy;
     List<T> list = new ArrayList<T>();
-    
+
     void add(T item) {
       list.add(item);
     }
-    
+
     T[] funcThatUsesToArray() {
       T[] arr = GenericsUtil.toArray(list);
       return arr;
     }
   }
-  
+
   public void testWithGenericClass() {
-    
+
     GenericClass<String> testSubject = new GenericClass<String>();
-    
+
     testSubject.add("test1");
     testSubject.add("test2");
-    
+
     try {
-      //this cast would fail, if we had not used GenericsUtil.toArray, since the 
+      //this cast would fail, if we had not used GenericsUtil.toArray, since the
       //rmethod would return Object[] rather than String[]
       String[] arr = testSubject.funcThatUsesToArray();
-      
+
       assertEquals("test1", arr[0]);
       assertEquals("test2", arr[1]);
-      
+
     }catch (ClassCastException ex) {
       fail("GenericsUtil#toArray() is not working for generic classes");
     }
-    
+
   }
-  
+
   public void testGenericOptionsParser() throws Exception {
      GenericOptionsParser parser = new GenericOptionsParser(
         new Configuration(), new String[] {"-jt"});
-    assertEquals(parser.getRemainingArgs().length, 0);
-    
+    assertEquals(0, parser.getRemainingArgs().length);
+
     //  test if -D accepts -Dx=y=z
-    parser = 
-      new GenericOptionsParser(new Configuration(), 
+    parser =
+      new GenericOptionsParser(new Configuration(),
                                new String[] {"-Dx=y=z"});
-    assertEquals(parser.getConfiguration().get("x"), "y=z");
+    assertEquals(
+            "Options parser gets entire ='s expresion",
+            "y=z", parser.getConfiguration().get("x"));
   }
-  
+
   public void testGetClass() {
-    
+
     //test with Integer
-    Integer x = new Integer(42); 
+    Integer x = new Integer(42);
     Class<Integer> c = GenericsUtil.getClass(x);
-    assertEquals(Integer.class, c);
-    
+    assertEquals("Correct generic type is acquired from object",
+            Integer.class, c);
+
     //test with GenericClass<Integer>
     GenericClass<Integer> testSubject = new GenericClass<Integer>();
     Class<GenericClass<Integer>> c2 = GenericsUtil.getClass(testSubject);
-    assertEquals(GenericClass.class, c2);
+    assertEquals("Inner generics are acquired from object.",
+            GenericClass.class, c2);
   }
-  
+
 }

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestFileHandle.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestFileHandle.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestFileHandle.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestFileHandle.java
Fri Mar 14 00:47:04 2014
@@ -34,6 +34,7 @@ public class TestFileHandle {
     // Deserialize it back 
     FileHandle handle2 = new FileHandle();
     handle2.deserialize(xdr.asReadOnlyWrap());
-    Assert.assertEquals(handle.getFileId(), 1024);
+    Assert.assertEquals("Failed: Assert 1024 is id ", 1024, 
+            handle.getFileId());
   }
 }

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestIdUserGroup.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestIdUserGroup.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestIdUserGroup.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/nfs/nfs3/TestIdUserGroup.java
Fri Mar 14 00:47:04 2014
@@ -53,19 +53,19 @@ public class TestIdUserGroup {
 
     IdUserGroup.updateMapInternal(uMap, "user", GET_ALL_USERS_CMD, ":");
     assertTrue(uMap.size() == 5);
-    assertEquals(uMap.get(0), "root");
-    assertEquals(uMap.get(11501), "hdfs");
-    assertEquals(uMap.get(11502), "hdfs2");
-    assertEquals(uMap.get(2), "bin");
-    assertEquals(uMap.get(1), "daemon");
-    
+    assertEquals("root", uMap.get(0));
+    assertEquals("hdfs", uMap.get(11501));
+    assertEquals("hdfs2",uMap.get(11502));
+    assertEquals("bin", uMap.get(2));
+    assertEquals("daemon", uMap.get(1));
+
     IdUserGroup.updateMapInternal(gMap, "group", GET_ALL_GROUPS_CMD, ":");
     assertTrue(gMap.size() == 3);
-    assertEquals(gMap.get(11501), "hdfs");
-    assertEquals(gMap.get(497), "mapred");
-    assertEquals(gMap.get(498), "mapred3");    
+    assertEquals("hdfs",gMap.get(11501));
+    assertEquals("mapred", gMap.get(497));
+    assertEquals("mapred3", gMap.get(498));
   }
-  
+
   @Test
   public void testUserUpdateSetting() throws IOException {
     IdUserGroup iug = new IdUserGroup();

Modified: hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/oncrpc/TestXDR.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/oncrpc/TestXDR.java?rev=1577397&r1=1577396&r2=1577397&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/oncrpc/TestXDR.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-common-project/hadoop-nfs/src/test/java/org/apache/hadoop/oncrpc/TestXDR.java
Fri Mar 14 00:47:04 2014
@@ -21,24 +21,26 @@ import org.junit.Assert;
 import org.junit.Test;
 
 public class TestXDR {
+  static final int WRITE_VALUE=23;
   private void serializeInt(int times) {
     XDR w = new XDR();
     for (int i = 0; i < times; ++i)
-      w.writeInt(23);
+      w.writeInt(WRITE_VALUE);
 
     XDR r = w.asReadOnlyWrap();
     for (int i = 0; i < times; ++i)
-      Assert.assertEquals(r.readInt(), 23);
+      Assert.assertEquals(
+              WRITE_VALUE,r.readInt());
   }
 
   private void serializeLong(int times) {
     XDR w = new XDR();
     for (int i = 0; i < times; ++i)
-      w.writeLongAsHyper(23);
+      w.writeLongAsHyper(WRITE_VALUE);
 
     XDR r = w.asReadOnlyWrap();
     for (int i = 0; i < times; ++i)
-      Assert.assertEquals(r.readHyper(), 23);
+      Assert.assertEquals(WRITE_VALUE, r.readHyper());
   }
 
   @Test



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