hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestHBaseClient.java

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.ipc;
  19
  20 import java.net.InetSocketAddress;
  21 import org.apache.hadoop.conf.Configuration;
  22 import org.apache.hadoop.hbase.HBaseClassTestRule;
  23 import org.apache.hadoop.hbase.testclassification.RPCTests;
  24 import org.apache.hadoop.hbase.testclassification.SmallTests;
  25 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
  26 import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;
  27 import org.junit.Assert;
  28 import org.junit.ClassRule;
  29 import org.junit.Test;
  30 import org.junit.experimental.categories.Category;
  31
  32 @Category({RPCTests.class, SmallTests.class})
  33 public class TestHBaseClient {
  34   @ClassRule
  35   public static final HBaseClassTestRule CLASS_RULE =
  36       HBaseClassTestRule.forClass(TestHBaseClient.class);
  37
  38   @Test
  39   public void testFailedServer(){
  40     ManualEnvironmentEdge ee = new ManualEnvironmentEdge();
  41     EnvironmentEdgeManager.injectEdge(ee);
  42     FailedServers fs = new FailedServers(new Configuration());
  43     Throwable testThrowable = new Throwable();//throwable already tested in TestFailedServers.java
  44
  45     InetSocketAddress ia = InetSocketAddress.createUnresolved("bad", 12);
  46      // same server as ia
  47     InetSocketAddress ia2 = InetSocketAddress.createUnresolved("bad", 12);
  48     InetSocketAddress ia3 = InetSocketAddress.createUnresolved("badtoo", 12);
  49     InetSocketAddress ia4 = InetSocketAddress.createUnresolved("badtoo", 13);
  50
  51
  52     Assert.assertFalse(fs.isFailedServer(ia));
  53
  54     fs.addToFailedServers(ia,testThrowable);
  55     Assert.assertTrue(fs.isFailedServer(ia));
  56     Assert.assertTrue(fs.isFailedServer(ia2));
  57
  58     ee.incValue(1);
  59     Assert.assertTrue(fs.isFailedServer(ia));
  60     Assert.assertTrue(fs.isFailedServer(ia2));
  61
  62     ee.incValue(RpcClient.FAILED_SERVER_EXPIRY_DEFAULT + 1);
  63     Assert.assertFalse(fs.isFailedServer(ia));
  64     Assert.assertFalse(fs.isFailedServer(ia2));
  65
  66     fs.addToFailedServers(ia,testThrowable);
  67     fs.addToFailedServers(ia3,testThrowable);
  68     fs.addToFailedServers(ia4,testThrowable);
  69
  70     Assert.assertTrue(fs.isFailedServer(ia));
  71     Assert.assertTrue(fs.isFailedServer(ia2));
  72     Assert.assertTrue(fs.isFailedServer(ia3));
  73     Assert.assertTrue(fs.isFailedServer(ia4));
  74
  75     ee.incValue(RpcClient.FAILED_SERVER_EXPIRY_DEFAULT + 1);
  76     Assert.assertFalse(fs.isFailedServer(ia));
  77     Assert.assertFalse(fs.isFailedServer(ia2));
  78     Assert.assertFalse(fs.isFailedServer(ia3));
  79     Assert.assertFalse(fs.isFailedServer(ia4));
  80
  81
  82     fs.addToFailedServers(ia3,testThrowable);
  83     Assert.assertFalse(fs.isFailedServer(ia4));
  84   }
  85 }