001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.ipc;
019
020import org.apache.hadoop.conf.Configuration;
021import org.apache.hadoop.hbase.HBaseClassTestRule;
022import org.apache.hadoop.hbase.net.Address;
023import org.apache.hadoop.hbase.testclassification.RPCTests;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
026import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;
027import org.junit.Assert;
028import org.junit.ClassRule;
029import org.junit.Test;
030import org.junit.experimental.categories.Category;
031
032@Category({RPCTests.class, SmallTests.class})
033public class TestHBaseClient {
034  @ClassRule
035  public static final HBaseClassTestRule CLASS_RULE =
036      HBaseClassTestRule.forClass(TestHBaseClient.class);
037
038  @Test
039  public void testFailedServer(){
040    ManualEnvironmentEdge ee = new ManualEnvironmentEdge();
041    EnvironmentEdgeManager.injectEdge(ee);
042    FailedServers fs = new FailedServers(new Configuration());
043    Throwable testThrowable = new Throwable();//throwable already tested in TestFailedServers.java
044
045    Address ia = Address.fromParts("bad", 12);
046     // same server as ia
047    Address ia2 = Address.fromParts("bad", 12);
048    Address ia3 = Address.fromParts("badtoo", 12);
049    Address ia4 = Address.fromParts("badtoo", 13);
050
051    Assert.assertFalse(fs.isFailedServer(ia));
052
053    fs.addToFailedServers(ia,testThrowable);
054    Assert.assertTrue(fs.isFailedServer(ia));
055    Assert.assertTrue(fs.isFailedServer(ia2));
056
057    ee.incValue(1);
058    Assert.assertTrue(fs.isFailedServer(ia));
059    Assert.assertTrue(fs.isFailedServer(ia2));
060
061    ee.incValue(RpcClient.FAILED_SERVER_EXPIRY_DEFAULT + 1);
062    Assert.assertFalse(fs.isFailedServer(ia));
063    Assert.assertFalse(fs.isFailedServer(ia2));
064
065    fs.addToFailedServers(ia,testThrowable);
066    fs.addToFailedServers(ia3,testThrowable);
067    fs.addToFailedServers(ia4,testThrowable);
068
069    Assert.assertTrue(fs.isFailedServer(ia));
070    Assert.assertTrue(fs.isFailedServer(ia2));
071    Assert.assertTrue(fs.isFailedServer(ia3));
072    Assert.assertTrue(fs.isFailedServer(ia4));
073
074    ee.incValue(RpcClient.FAILED_SERVER_EXPIRY_DEFAULT + 1);
075    Assert.assertFalse(fs.isFailedServer(ia));
076    Assert.assertFalse(fs.isFailedServer(ia2));
077    Assert.assertFalse(fs.isFailedServer(ia3));
078    Assert.assertFalse(fs.isFailedServer(ia4));
079
080
081    fs.addToFailedServers(ia3,testThrowable);
082    Assert.assertFalse(fs.isFailedServer(ia4));
083  }
084}