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.DataTreeCandidateTip;
  29 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  30 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
  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     private final EntityOwnershipListenerSupport mockListenerSupport = mock(EntityOwnershipListenerSupport.class);
  51     private EntityOwnerChangeListener listener;
  52
  53     @Before
  54     public void setup() {
  55         listener = new EntityOwnerChangeListener(LOCAL_MEMBER_NAME, mockListenerSupport);
  56         listener.init(shardDataTree);
  57     }
  58
  59     @Test
  60     public void testOnDataChanged() throws Exception {
  61         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME));
  62         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID2, LOCAL_MEMBER_NAME));
  63         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, REMOTE_MEMBER_NAME1));
  64
  65         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(Entity.class), anyBoolean(), anyBoolean());
  66
  67         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
  68
  69         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, true);
  70
  71         reset(mockListenerSupport);
  72         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME1));
  73
  74         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, true, false);
  75
  76         reset(mockListenerSupport);
  77         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME2));
  78
  79         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(Entity.class), anyBoolean(), anyBoolean());
  80
  81         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
  82
  83         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, true);
  84
  85         reset(mockListenerSupport);
  86         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, REMOTE_MEMBER_NAME1));
  87
  88         verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(Entity.class), anyBoolean(), anyBoolean());
  89
  90         reset(mockListenerSupport);
  91         writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
  92
  93         verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY2, false, true);
  94     }
  95
  96     private void writeNode(YangInstanceIdentifier path, NormalizedNode<?, ?> node) throws DataValidationFailedException {
  97         DataTreeModification modification = shardDataTree.getDataTree().takeSnapshot().newModification();
  98         modification.merge(path, node);
  99         modification.ready();
 100
 101         shardDataTree.getDataTree().validate(modification);
 102         DataTreeCandidateTip candidate = shardDataTree.getDataTree().prepare(modification);
 103         shardDataTree.getDataTree().commit(candidate);
 104         shardDataTree.notifyListeners(candidate);
 105     }
 106 }