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