opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnershipStatisticsTest.java

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.controller.cluster.datastore.entityownership;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNERS_PATH;
  13 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityEntryWithOwner;
  14 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityOwnersWithCandidate;
  15 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityPath;
  16
  17 import java.util.Map;
  18 import org.junit.Before;
  19 import org.junit.Test;
  20 import org.mockito.Mockito;
  21 import org.opendaylight.controller.cluster.datastore.AbstractActorTest;
  22 import org.opendaylight.controller.cluster.datastore.Shard;
  23 import org.opendaylight.controller.cluster.datastore.ShardDataTree;
  24 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  25 import org.opendaylight.yangtools.yang.common.QName;
  26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  28 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
  29 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  30
  31 public class EntityOwnershipStatisticsTest extends AbstractActorTest {
  32     private static final String LOCAL_MEMBER_NAME = "member-1";
  33     private static final String REMOTE_MEMBER_NAME1 = "member-2";
  34     private static final String REMOTE_MEMBER_NAME2 = "member-3";
  35     private static final String ENTITY_TYPE = "test";
  36     private static final YangInstanceIdentifier ENTITY_ID1 =
  37             YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity1"));
  38     private static final YangInstanceIdentifier ENTITY_ID2 =
  39             YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity2"));
  40
  41     private final Shard mockShard = Mockito.mock(Shard.class);
  42
  43     private final ShardDataTree shardDataTree = new ShardDataTree(mockShard, SchemaContextHelper.entityOwners(),
  44         TreeType.OPERATIONAL);
  45     private EntityOwnershipStatistics ownershipStatistics;
  46
  47     @Before
  48     public void setup() {
  49         ownershipStatistics = new EntityOwnershipStatistics();
  50         ownershipStatistics.init(shardDataTree);
  51     }
  52
  53     @Test
  54     public void testOnDataTreeChanged() throws Exception {
  55         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME));
  56         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID2, LOCAL_MEMBER_NAME));
  57
  58         // Write local member as owner for entity 1
  59
  60         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
  61         assertStatistics(ownershipStatistics.all(), LOCAL_MEMBER_NAME, 1L);
  62
  63         // Add remote member 1 as candidate for entity 1 - ownershipStatistics support should not get notified
  64
  65         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, REMOTE_MEMBER_NAME1));
  66         assertStatistics(ownershipStatistics.all(), LOCAL_MEMBER_NAME, 1L);
  67
  68         // Change owner to remote member 1 for entity 1
  69
  70         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME1));
  71         Map<String, Map<String, Long>> statistics = ownershipStatistics.all();
  72         assertStatistics(statistics, LOCAL_MEMBER_NAME, 0L);
  73         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 1L);
  74
  75         // Change owner to remote member 2 for entity 1
  76
  77         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME2));
  78         statistics = ownershipStatistics.all();
  79         assertStatistics(statistics, LOCAL_MEMBER_NAME, 0L);
  80         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
  81         assertStatistics(statistics, REMOTE_MEMBER_NAME2, 1L);
  82
  83         // Clear the owner for entity 1
  84
  85         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, ""));
  86         statistics = ownershipStatistics.all();
  87         assertStatistics(statistics, LOCAL_MEMBER_NAME, 0L);
  88         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
  89         assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
  90
  91         // Change owner to the local member for entity 1
  92
  93         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
  94         statistics = ownershipStatistics.all();
  95         assertStatistics(statistics, LOCAL_MEMBER_NAME, 1L);
  96         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
  97         assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
  98
  99         // Change owner to remote member 1 for entity 2
 100
 101         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, REMOTE_MEMBER_NAME1));
 102         statistics = ownershipStatistics.all();
 103         assertStatistics(statistics, LOCAL_MEMBER_NAME, 1L);
 104         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 1L);
 105         assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
 106
 107         // Change owner to the local member for entity 2
 108
 109         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
 110         statistics = ownershipStatistics.all();
 111         assertStatistics(statistics, LOCAL_MEMBER_NAME, 2L);
 112         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
 113         assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
 114
 115         // Write local member owner for entity 2 again - expect no change
 116         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
 117         statistics = ownershipStatistics.all();
 118         assertStatistics(statistics, LOCAL_MEMBER_NAME, 2L);
 119         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
 120         assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
 121
 122         // Clear the owner for entity 2
 123         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, ""));
 124         statistics = ownershipStatistics.all();
 125         assertStatistics(statistics, LOCAL_MEMBER_NAME, 1L);
 126         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
 127         assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
 128
 129         // Clear the owner for entity 2 again - expect no change
 130
 131         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, ""));
 132         statistics = ownershipStatistics.all();
 133         assertStatistics(statistics, LOCAL_MEMBER_NAME, 1L);
 134         assertStatistics(statistics, REMOTE_MEMBER_NAME1, 0L);
 135         assertStatistics(statistics, REMOTE_MEMBER_NAME2, 0L);
 136
 137     }
 138
 139     private static void assertStatistics(final Map<String, Map<String, Long>> statistics, final String memberName,
 140             final long val) {
 141         assertEquals(val, statistics.get(ENTITY_TYPE).get(memberName).longValue());
 142     }
 143
 144     private void writeNode(final YangInstanceIdentifier path, final NormalizedNode<?, ?> node)
 145             throws DataValidationFailedException {
 146         AbstractEntityOwnershipTest.writeNode(path, node, shardDataTree);
 147     }
 148 }