opendaylight/md-sal/sal-remoterpc-connector/src/test/java/org/opendaylight/controller/remote/rpc/registry/gossip/BucketStoreTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.remote.rpc.registry.gossip;
   9
  10 import akka.actor.ActorSystem;
  11 import akka.actor.Address;
  12 import akka.actor.Props;
  13 import akka.testkit.TestActorRef;
  14 import com.typesafe.config.ConfigFactory;
  15 import java.util.HashMap;
  16 import java.util.Map;
  17 import org.junit.AfterClass;
  18 import org.junit.Assert;
  19 import org.junit.BeforeClass;
  20 import org.junit.Test;
  21 import org.opendaylight.controller.remote.rpc.TerminationMonitor;
  22
  23 public class BucketStoreTest {
  24
  25     private static ActorSystem system;
  26
  27     @BeforeClass
  28     public static void setup() {
  29
  30         system = ActorSystem.create("opendaylight-rpc", ConfigFactory.load().getConfig("unit-test"));
  31         system.actorOf(Props.create(TerminationMonitor.class), "termination-monitor");
  32     }
  33
  34     @AfterClass
  35     public static void teardown() {
  36         system.shutdown();
  37     }
  38
  39     /**
  40      * Given remote buckets
  41      * Should merge with local copy of remote buckets
  42      */
  43     @Test
  44     public void testReceiveUpdateRemoteBuckets(){
  45
  46         BucketStore store = createStore();
  47
  48         Address localAddress = system.provider().getDefaultAddress();
  49         Bucket localBucket = new BucketImpl();
  50
  51         Address a1 = new Address("tcp", "system1");
  52         Address a2 = new Address("tcp", "system2");
  53         Address a3 = new Address("tcp", "system3");
  54
  55         Bucket b1 = new BucketImpl();
  56         Bucket b2 = new BucketImpl();
  57         Bucket b3 = new BucketImpl();
  58
  59         Map<Address, Bucket> remoteBuckets = new HashMap<>(3);
  60         remoteBuckets.put(a1, b1);
  61         remoteBuckets.put(a2, b2);
  62         remoteBuckets.put(a3, b3);
  63         remoteBuckets.put(localAddress, localBucket);
  64
  65         //Given remote buckets
  66         store.receiveUpdateRemoteBuckets(remoteBuckets);
  67
  68         //Should NOT contain local bucket
  69         //Should contain ONLY 3 entries i.e a1, a2, a3
  70         Map<Address, Bucket<?>> remoteBucketsInStore = store.getRemoteBuckets();
  71         Assert.assertFalse("remote buckets contains local bucket", remoteBucketsInStore.containsKey(localAddress));
  72         Assert.assertTrue(remoteBucketsInStore.size() == 3);
  73
  74         //Add a new remote bucket
  75         Address a4 = new Address("tcp", "system4");
  76         Bucket b4 = new BucketImpl();
  77         remoteBuckets.clear();
  78         remoteBuckets.put(a4, b4);
  79         store.receiveUpdateRemoteBuckets(remoteBuckets);
  80
  81         //Should contain a4
  82         //Should contain 4 entries now i.e a1, a2, a3, a4
  83         remoteBucketsInStore = store.getRemoteBuckets();
  84         Assert.assertTrue("Does not contain a4", remoteBucketsInStore.containsKey(a4));
  85         Assert.assertTrue(remoteBucketsInStore.size() == 4);
  86
  87         //Update a bucket
  88         Bucket b3_new = new BucketImpl();
  89         remoteBuckets.clear();
  90         remoteBuckets.put(a3, b3_new);
  91         remoteBuckets.put(a1, null);
  92         remoteBuckets.put(a2, null);
  93         store.receiveUpdateRemoteBuckets(remoteBuckets);
  94
  95         //Should only update a3
  96         remoteBucketsInStore = store.getRemoteBuckets();
  97         Bucket b3_inStore = remoteBucketsInStore.get(a3);
  98         Assert.assertEquals(b3_new.getVersion(), b3_inStore.getVersion());
  99
 100         //Should NOT update a1 and a2
 101         Bucket b1_inStore = remoteBucketsInStore.get(a1);
 102         Bucket b2_inStore = remoteBucketsInStore.get(a2);
 103         Assert.assertEquals(b1.getVersion(), b1_inStore.getVersion());
 104         Assert.assertEquals(b2.getVersion(), b2_inStore.getVersion());
 105         Assert.assertTrue(remoteBucketsInStore.size() == 4);
 106
 107         //Should update versions map
 108         //versions map contains versions for all remote buckets (4).
 109         Map<Address, Long> versionsInStore = store.getVersions();
 110         Assert.assertEquals(4, versionsInStore.size());
 111         Assert.assertEquals(b1.getVersion(), versionsInStore.get(a1));
 112         Assert.assertEquals(b2.getVersion(), versionsInStore.get(a2));
 113         Assert.assertEquals(b3_new.getVersion(), versionsInStore.get(a3));
 114         Assert.assertEquals(b4.getVersion(), versionsInStore.get(a4));
 115
 116         //Send older version of bucket
 117         remoteBuckets.clear();
 118         remoteBuckets.put(a3, b3);
 119         store.receiveUpdateRemoteBuckets(remoteBuckets);
 120
 121         //Should NOT update a3
 122         remoteBucketsInStore = store.getRemoteBuckets();
 123         b3_inStore = remoteBucketsInStore.get(a3);
 124         Assert.assertTrue(b3_inStore.getVersion().longValue() == b3_new.getVersion().longValue());
 125
 126     }
 127
 128     /**
 129      * Create BucketStore actor and returns the underlying instance of BucketStore class.
 130      *
 131      * @return instance of BucketStore class
 132      */
 133     private static BucketStore createStore(){
 134         final Props props = Props.create(BucketStore.class);
 135         final TestActorRef<BucketStore> testRef = TestActorRef.create(system, props, "testStore");
 136         return testRef.underlyingActor();
 137     }
 138 }