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 /**
  36  * Unit tests for EntityOwnerChangeListener.
  37  *
  38  * @author Thomas Pantelis
  39  */
  40 public class EntityOwnerChangeListenerTest {
  41     private static final String LOCAL_MEMBER_NAME = "member-1";
  42     private static final String REMOTE_MEMBER_NAME1 = "member-2";
  43     private static final String REMOTE_MEMBER_NAME2 = "member-3";
  44     private static final String ENTITY_TYPE = "test";
  45     private static final YangInstanceIdentifier ENTITY_ID1 =
  46             YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity1"));
  47     private static final YangInstanceIdentifier ENTITY_ID2 =
  48             YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity2"));
  49     private static final DOMEntity ENTITY1 = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
  50     private static final DOMEntity ENTITY2 = new DOMEntity(ENTITY_TYPE, ENTITY_ID2);
  51
  52     private final Shard mockShard = Mockito.mock(Shard.class);
  53
  54     private final ShardDataTree shardDataTree = new ShardDataTree(mockShard, SchemaContextHelper.entityOwners(),
  55         TreeType.OPERATIONAL);
  56     private final EntityOwnershipListenerSupport mockListenerSupport = mock(EntityOwnershipListenerSupport.class);
  57     private EntityOwnerChangeListener listener;
  58
  59     @Before
  60     public void setup() {
  61         listener = new EntityOwnerChangeListener(MemberName.forName(LOCAL_MEMBER_NAME), mockListenerSupport);
  62         listener.init(shardDataTree);
  63     }
  64
  65     @Test
  66     public void testOnDataTreeChanged() throws Exception {
  67         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME));
  68         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID2, LOCAL_MEMBER_NAME));
  69         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(DOMEntity.class), anyBoolean(),
  70                 anyBoolean(), anyBoolean());
  71
  72         // Write local member as owner for entity 1
  73
  74         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
  75         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, true, true);
  76
  77         // Add remote member 1 as candidate for entity 1 - listener support should not get notified
  78
  79         reset(mockListenerSupport);
  80         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, REMOTE_MEMBER_NAME1));
  81         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(DOMEntity.class), anyBoolean(),
  82                 anyBoolean(), anyBoolean());
  83
  84         // Change owner to remote member 1 for entity 1
  85
  86         reset(mockListenerSupport);
  87         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME1));
  88         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, true, false, true);
  89
  90         // Change owner to remote member 2 for entity 1
  91
  92         reset(mockListenerSupport);
  93         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME2));
  94         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, false, true);
  95
  96         // Clear the owner for entity 1
  97
  98         reset(mockListenerSupport);
  99         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, ""));
 100         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, false, false);
 101
 102         // Change owner to the local member for entity 1
 103
 104         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
 105         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, true, true);
 106
 107         // Change owner to remote member 2 for entity 2
 108
 109         reset(mockListenerSupport);
 110         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, REMOTE_MEMBER_NAME1));
 111         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY2, false, false, true);
 112
 113         // Change owner to the local member for entity 2
 114
 115         reset(mockListenerSupport);
 116         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
 117         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY2, false, true, true);
 118
 119         // Write local member owner for entity 2 again - expect no change
 120
 121         reset(mockListenerSupport);
 122         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
 123         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(DOMEntity.class), anyBoolean(),
 124                 anyBoolean(), anyBoolean());
 125
 126         // Clear the owner for entity 2
 127
 128         reset(mockListenerSupport);
 129         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, null));
 130         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY2, true, false, false);
 131
 132         // Clear the owner for entity 2 again - expect no change
 133
 134         reset(mockListenerSupport);
 135         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, null));
 136         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(DOMEntity.class), anyBoolean(),
 137                 anyBoolean(), anyBoolean());
 138     }
 139
 140     private void writeNode(final YangInstanceIdentifier path, final NormalizedNode<?, ?> node) throws DataValidationFailedException {
 141         AbstractEntityOwnershipTest.writeNode(path, node, shardDataTree);
 142     }
 143 }