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From a...@apache.org
Subject hbase git commit: HBASE-17922 Clean TestRegionServerHostname for hadoop3.
Date Thu, 13 Jul 2017 18:44:55 GMT
Repository: hbase
Updated Branches:
  refs/heads/branch-2 e22f7bc89 -> 246d42297


HBASE-17922 Clean TestRegionServerHostname for hadoop3.

Change-Id: I6f1514b1bc301be553912539e6a4192c2ccc782b
Signed-off-by: Apekshit Sharma <appy@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/hbase/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase/commit/246d4229
Tree: http://git-wip-us.apache.org/repos/asf/hbase/tree/246d4229
Diff: http://git-wip-us.apache.org/repos/asf/hbase/diff/246d4229

Branch: refs/heads/branch-2
Commit: 246d42297bd5e7ef828374c7a80b36a8a2cdbe7c
Parents: e22f7bc
Author: Mike Drob <mdrob@apache.org>
Authored: Thu Jun 29 15:30:11 2017 -0500
Committer: Apekshit Sharma <appy@apache.org>
Committed: Thu Jul 13 11:44:49 2017 -0700

----------------------------------------------------------------------
 .../regionserver/TestRegionServerHostname.java  | 64 +++++++++-----------
 1 file changed, 29 insertions(+), 35 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hbase/blob/246d4229/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java
index 679595a..317a3a2 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerHostname.java
@@ -17,9 +17,10 @@
  */
 package org.apache.hadoop.hbase.regionserver;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
-import java.io.IOException;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.util.Enumeration;
@@ -35,6 +36,8 @@ import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.testclassification.RegionServerTests;
 import org.apache.hadoop.hbase.zookeeper.ZKUtil;
 import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
+import org.junit.After;
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
@@ -45,36 +48,40 @@ import org.junit.experimental.categories.Category;
 public class TestRegionServerHostname {
   private static final Log LOG = LogFactory.getLog(TestRegionServerHostname.class);
 
+  private HBaseTestingUtility TEST_UTIL;
+
+  private static final int NUM_MASTERS = 1;
+  private static final int NUM_RS = 1;
+
+  @Before
+  public void setup() {
+    Configuration conf = HBaseConfiguration.create();
+    TEST_UTIL = new HBaseTestingUtility(conf);
+  }
+
+  @After
+  public void teardown() throws Exception {
+    TEST_UTIL.shutdownMiniCluster();
+  }
+
   @Test (timeout=30000)
   public void testInvalidRegionServerHostnameAbortsServer() throws Exception {
-    final int NUM_MASTERS = 1;
-    final int NUM_RS = 1;
     String invalidHostname = "hostAddr.invalid";
-    Configuration conf = HBaseConfiguration.create();
-    HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf);
     TEST_UTIL.getConfiguration().set(HRegionServer.RS_HOSTNAME_KEY, invalidHostname);
+    HRegionServer hrs = null;
     try {
-      TEST_UTIL.startMiniCluster(NUM_MASTERS, NUM_RS);
-    } catch (IOException ioe) {
-      Throwable t1 = ioe.getCause();
-      Throwable t2 = t1.getCause();
-      assertTrue(t1.getMessage() + " - " + t2.getMessage(),
-        t2.getMessage().contains("Failed resolve of " + invalidHostname) ||
-        t2.getMessage().contains("Problem binding to " + invalidHostname));
-      return;
-    } finally {
-      TEST_UTIL.shutdownMiniCluster();
+      hrs = new HRegionServer(TEST_UTIL.getConfiguration(), null);
+    } catch (IllegalArgumentException iae) {
+      assertTrue(iae.getMessage(),
+        iae.getMessage().contains("Failed resolve of " + invalidHostname) ||
+        iae.getMessage().contains("Problem binding to " + invalidHostname));
     }
-    assertTrue("Failed to validate against invalid hostname", false);
+    assertNull("Failed to validate against invalid hostname", hrs);
   }
 
   @Test(timeout=120000)
   public void testRegionServerHostname() throws Exception {
-    final int NUM_MASTERS = 1;
-    final int NUM_RS = 1;
     Enumeration<NetworkInterface> netInterfaceList = NetworkInterface.getNetworkInterfaces();
-    Configuration conf = HBaseConfiguration.create();
-    HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf);
     while (netInterfaceList.hasMoreElements()) {
       NetworkInterface ni = netInterfaceList.nextElement();
       Enumeration<InetAddress> addrList = ni.getInetAddresses();
@@ -109,11 +116,7 @@ public class TestRegionServerHostname {
 
   @Test(timeout=30000)
   public void testConflictRegionServerHostnameConfigurationsAbortServer() throws Exception
{
-    final int NUM_MASTERS = 1;
-    final int NUM_RS = 1;
     Enumeration<NetworkInterface> netInterfaceList = NetworkInterface.getNetworkInterfaces();
-    Configuration conf = HBaseConfiguration.create();
-    HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf);
     while (netInterfaceList.hasMoreElements()) {
       NetworkInterface ni = netInterfaceList.nextElement();
       Enumeration<InetAddress> addrList = ni.getInetAddresses();
@@ -150,20 +153,11 @@ public class TestRegionServerHostname {
 
   @Test(timeout=30000)
   public void testRegionServerHostnameReportedToMaster() throws Exception {
-    final int NUM_MASTERS = 1;
-    final int NUM_RS = 1;
-    Configuration conf = HBaseConfiguration.create();
-    HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf);
     TEST_UTIL.getConfiguration().setBoolean(HRegionServer.RS_HOSTNAME_DISABLE_MASTER_REVERSEDNS_KEY,
true);
     TEST_UTIL.startMiniCluster(NUM_MASTERS, NUM_RS);
-    try {
-      ZooKeeperWatcher zkw = TEST_UTIL.getZooKeeperWatcher();
+    try (ZooKeeperWatcher zkw = TEST_UTIL.getZooKeeperWatcher()) {
       List<String> servers = ZKUtil.listChildrenNoWatch(zkw, zkw.znodePaths.rsZNode);
-      // there would be NUM_RS+1 children - one for the master
-      assertTrue(servers.size() == NUM_RS+1);
-      zkw.close();
-    } finally {
-      TEST_UTIL.shutdownMiniCluster();
+      assertEquals("should be NUM_RS+1 children - one for master", NUM_RS + 1, servers.size());
     }
   }
 }


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