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