hbase-client/src/test/java/org/apache/hadoop/hbase/ipc/TestConnectionId.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 static org.junit.Assert.assertEquals;
  21 import static org.junit.Assert.assertFalse;
  22 import static org.junit.Assert.assertNotEquals;
  23 import static org.junit.Assert.assertTrue;
  24
  25 import org.apache.hadoop.conf.Configuration;
  26 import org.apache.hadoop.hbase.HBaseClassTestRule;
  27 import org.apache.hadoop.hbase.HBaseConfiguration;
  28 import org.apache.hadoop.hbase.net.Address;
  29 import org.apache.hadoop.hbase.security.User;
  30 import org.apache.hadoop.hbase.testclassification.ClientTests;
  31 import org.apache.hadoop.hbase.testclassification.SmallTests;
  32 import org.junit.ClassRule;
  33 import org.junit.Test;
  34 import org.junit.experimental.categories.Category;
  35
  36 @Category({SmallTests.class, ClientTests.class})
  37 public class TestConnectionId {
  38   @ClassRule
  39   public static final HBaseClassTestRule CLASS_RULE =
  40           HBaseClassTestRule.forClass(TestConnectionId.class);
  41
  42   private Configuration testConfig = HBaseConfiguration.create();
  43   private User testUser1 = User.createUserForTesting(testConfig, "test", new String[]{"testgroup"});
  44   private User testUser2 = User.createUserForTesting(testConfig, "test", new String[]{"testgroup"});
  45   private String serviceName = "test";
  46   private Address address = Address.fromParts("localhost", 999);
  47   private ConnectionId connectionId1 = new ConnectionId(testUser1, serviceName, address);
  48   private ConnectionId connectionId2 = new ConnectionId(testUser2, serviceName, address);
  49
  50   @Test
  51   public void testGetServiceName() {
  52     assertEquals("test", connectionId1.getServiceName());
  53   }
  54
  55   @Test
  56   public void testGetAddress() {
  57     assertEquals(address, connectionId1.getAddress());
  58     assertEquals(address, connectionId2.getAddress());
  59   }
  60
  61   @Test
  62   public void testGetTicket() {
  63     assertEquals(testUser1, connectionId1.getTicket());
  64     assertNotEquals(testUser2, connectionId1.getTicket());
  65   }
  66
  67   @Test
  68   public void testToString() {
  69     String expectedString = "localhost:999/test/test (auth:SIMPLE)";
  70     assertEquals(expectedString, connectionId1.toString());
  71   }
  72
  73   /**
  74    * Test if the over-ridden equals method satisfies all the properties
  75    * (reflexive, symmetry, transitive and null)
  76    * along with their hashcode
  77    */
  78   @Test
  79   public void testEqualsWithHashCode() {
  80     // Test the Reflexive Property
  81     assertTrue(connectionId1.equals(connectionId1));
  82
  83     // Test the Symmetry Property
  84     ConnectionId connectionId = new ConnectionId(testUser1, serviceName, address);
  85     assertTrue(connectionId.equals(connectionId1) && connectionId1.equals(connectionId));
  86     assertEquals(connectionId.hashCode(), connectionId1.hashCode());
  87
  88     // Test the Transitive Property
  89     ConnectionId connectionId3 = new ConnectionId(testUser1, serviceName, address);
  90     assertTrue(connectionId1.equals(connectionId) && connectionId.equals(connectionId3) &&
  91             connectionId1.equals(connectionId3));
  92     assertEquals(connectionId.hashCode(), connectionId3.hashCode());
  93
  94     // Test For null
  95     assertFalse(connectionId1.equals(null));
  96
  97     // Test different instances of same class
  98     assertFalse(connectionId1.equals(connectionId2));
  99   }
 100
 101   /**
 102    * Test the hashcode for same object and different object with both hashcode
 103    * function and static hashcode function
 104    */
 105   @Test
 106   public void testHashCode() {
 107     int testHashCode = connectionId1.hashCode();
 108     int expectedHashCode = ConnectionId.hashCode(testUser1, serviceName, address);
 109     assertEquals(expectedHashCode, testHashCode);
 110
 111     // Make sure two objects are not same and test for hashcode
 112     assertNotEquals(connectionId1, connectionId2);
 113     assertNotEquals(connectionId1.hashCode(), connectionId2.hashCode());
 114   }
 115 }