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

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.cluster.datastore.entityownership;
   9
  10 import static org.mockito.Matchers.any;
  11 import static org.mockito.Matchers.anyBoolean;
  12 import static org.mockito.Mockito.mock;
  13 import static org.mockito.Mockito.never;
  14 import static org.mockito.Mockito.reset;
  15 import static org.mockito.Mockito.verify;
  16 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNERS_PATH;
  17 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityEntryWithOwner;
  18 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityOwnersWithCandidate;
  19 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityPath;
  20 import org.junit.Before;
  21 import org.junit.Test;
  22 import org.mockito.Mockito;
  23 import org.opendaylight.controller.cluster.access.concepts.MemberName;
  24 import org.opendaylight.controller.cluster.datastore.Shard;
  25 import org.opendaylight.controller.cluster.datastore.ShardDataTree;
  26 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  27 import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
  28 import org.opendaylight.yangtools.yang.common.QName;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  31 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
  32 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  33
  34 /**
  35  * Unit tests for EntityOwnerChangeListener.
  36  *
  37  * @author Thomas Pantelis
  38  */
  39 public class EntityOwnerChangeListenerTest {
  40     private static final String LOCAL_MEMBER_NAME = "member-1";
  41     private static final String REMOTE_MEMBER_NAME1 = "member-2";
  42     private static final String REMOTE_MEMBER_NAME2 = "member-3";
  43     private static final String ENTITY_TYPE = "test";
  44     private static final YangInstanceIdentifier ENTITY_ID1 =
  45             YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity1"));
  46     private static final YangInstanceIdentifier ENTITY_ID2 =
  47             YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity2"));
  48     private static final DOMEntity ENTITY1 = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
  49     private static final DOMEntity ENTITY2 = new DOMEntity(ENTITY_TYPE, ENTITY_ID2);
  50
  51     private final Shard mockShard = Mockito.mock(Shard.class);
  52
  53     private final ShardDataTree shardDataTree = new ShardDataTree(mockShard, SchemaContextHelper.entityOwners(),
  54         TreeType.OPERATIONAL);
  55     private final EntityOwnershipListenerSupport mockListenerSupport = mock(EntityOwnershipListenerSupport.class);
  56     private EntityOwnerChangeListener listener;
  57
  58     @Before
  59     public void setup() {
  60         listener = new EntityOwnerChangeListener(MemberName.forName(LOCAL_MEMBER_NAME), mockListenerSupport);
  61         listener.init(shardDataTree);
  62     }
  63
  64     @Test
  65     public void testOnDataTreeChanged() throws Exception {
  66         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME));
  67         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID2, LOCAL_MEMBER_NAME));
  68         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(DOMEntity.class), anyBoolean(),
  69                 anyBoolean(), anyBoolean());
  70
  71         // Write local member as owner for entity 1
  72
  73         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
  74         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, true, true);
  75
  76         // Add remote member 1 as candidate for entity 1 - listener support should not get notified
  77
  78         reset(mockListenerSupport);
  79         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, REMOTE_MEMBER_NAME1));
  80         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(DOMEntity.class), anyBoolean(),
  81                 anyBoolean(), anyBoolean());
  82
  83         // Change owner to remote member 1 for entity 1
  84
  85         reset(mockListenerSupport);
  86         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME1));
  87         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, true, false, true);
  88
  89         // Change owner to remote member 2 for entity 1
  90
  91         reset(mockListenerSupport);
  92         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME2));
  93         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, false, true);
  94
  95         // Clear the owner for entity 1
  96
  97         reset(mockListenerSupport);
  98         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, ""));
  99         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, false, false);
 100
 101         // Change owner to the local member for entity 1
 102
 103         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
 104         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, true, true);
 105
 106         // Change owner to remote member 2 for entity 2
 107
 108         reset(mockListenerSupport);
 109         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, REMOTE_MEMBER_NAME1));
 110         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY2, false, false, true);
 111
 112         // Change owner to the local member for entity 2
 113
 114         reset(mockListenerSupport);
 115         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
 116         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY2, false, true, true);
 117
 118         // Write local member owner for entity 2 again - expect no change
 119
 120         reset(mockListenerSupport);
 121         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
 122         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(DOMEntity.class), anyBoolean(),
 123                 anyBoolean(), anyBoolean());
 124
 125         // Clear the owner for entity 2
 126
 127         reset(mockListenerSupport);
 128         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, null));
 129         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY2, true, false, false);
 130
 131         // Clear the owner for entity 2 again - expect no change
 132
 133         reset(mockListenerSupport);
 134         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, null));
 135         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(DOMEntity.class), anyBoolean(),
 136                 anyBoolean(), anyBoolean());
 137     }
 138
 139     private void writeNode(final YangInstanceIdentifier path, final NormalizedNode<?, ?> node) throws DataValidationFailedException {
 140         AbstractEntityOwnershipTest.writeNode(path, node, shardDataTree);
 141     }
 142 }