svn commit: r1077132 - /hadoop/common/branches/branch-0.20-security-patches/src/test/org/apache/hadoop/hdfs/TestDatanodeBlockScanner.java

[omalley]

Author: omalley
Date: Fri Mar  4 03:44:12 2011
New Revision: 1077132

URL: http://svn.apache.org/viewvc?rev=1077132&view=rev
Log:
commit f64a958be42c7ebe56a727d2a085239d2397e7c7
Author: Konstantin Boudnik <cos@goodenter-lm.local>
Date:   Wed Jan 27 16:30:09 2010 -0800

    HDFS-919 from 
https://issues.apache.org/jira/secure/attachment/12431381/HDFS-919_0.20.patch
    
    +++ b/YAHOO-CHANGES.txt
    +    HDFS-919. Create test to validate the BlocksVerified metric (Gary Murry
    +    via cos)
    +

Modified:
    
hadoop/common/branches/branch-0.20-security-patches/src/test/org/apache/hadoop/hdfs/TestDatanodeBlockScanner.java

Modified: 
hadoop/common/branches/branch-0.20-security-patches/src/test/org/apache/hadoop/hdfs/TestDatanodeBlockScanner.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security-patches/src/test/org/apache/hadoop/hdfs/TestDatanodeBlockScanner.java?rev=1077132&r1=1077131&r2=1077132&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-0.20-security-patches/src/test/org/apache/hadoop/hdfs/TestDatanodeBlockScanner.java
 (original)
+++ 
hadoop/common/branches/branch-0.20-security-patches/src/test/org/apache/hadoop/hdfs/TestDatanodeBlockScanner.java
 Fri Mar  4 03:44:12 2011
@@ -50,12 +50,15 @@ public class TestDatanodeBlockScanner ex
   
   private static Pattern pattern = 
              Pattern.compile(".*?(blk_[-]*\\d+).*?scan time\\s*:\\s*(\\d+)");
+  
+  private static Pattern pattern_blockVerify = 
+             Pattern.compile(".*?(SCAN_PERIOD)\\s*:\\s*(\\d+.*?)");
   /**
    * This connects to datanode and fetches block verification data.
    * It repeats this until the given block has a verification time > 0.
    */
   private static long waitForVerification(DatanodeInfo dn, FileSystem fs, 
-                                          Path file) throws IOException {
+                                          Path file, int blocksValidated) 
throws IOException {
     URL url = new URL("http://localhost:"; + dn.getInfoPort() +
                       "/blockScannerReport?listblocks");
     long lastWarnTime = System.currentTimeMillis();
@@ -65,6 +68,14 @@ public class TestDatanodeBlockScanner ex
     
     while (verificationTime <= 0) {
       String response = DFSTestUtil.urlGet(url);
+      if(blocksValidated >= 0) {
+        for(Matcher matcher = pattern_blockVerify.matcher(response); 
matcher.find();) {
+          if (block.equals(matcher.group(1))) {
+            assertEquals("Wrong number of blocks reported for validation.", 
blocksValidated, Long.parseLong(matcher.group(2)));
+            break;
+          }
+        }
+      }
       for(Matcher matcher = pattern.matcher(response); matcher.find();) {
         if (block.equals(matcher.group(1))) {
           verificationTime = Long.parseLong(matcher.group(2));
@@ -115,7 +126,7 @@ public class TestDatanodeBlockScanner ex
     /*
      * The cluster restarted. The block should be verified by now.
      */
-    assertTrue(waitForVerification(dn, fs, file1) > startTime);
+    assertTrue(waitForVerification(dn, fs, file1, 1) > startTime);
     
     /*
      * Create a new file and read the block. The block should be marked 
@@ -124,7 +135,7 @@ public class TestDatanodeBlockScanner ex
     DFSTestUtil.createFile(fs, file2, 10, (short)1, 0);
     IOUtils.copyBytes(fs.open(file2), new IOUtils.NullOutputStream(), 
                       conf, true); 
-    assertTrue(waitForVerification(dn, fs, file2) > startTime);
+    assertTrue(waitForVerification(dn, fs, file2, 2) > startTime);
     
     cluster.shutdown();
   }