Bug 4105: Add EntityOwnerDataChangeListener

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnerChangeListenerTest.java b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnerChangeListenerTest.java
new file mode 100644 (file)
index 0000000..24913d2
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnerChangeListenerTest.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.datastore.entityownership;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyBoolean;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.verify;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNERS_PATH;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityEntryWithOwner;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityOwnersWithCandidate;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityPath;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.controller.cluster.datastore.ShardDataTree;
+import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
+import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
+
+/**
+ * Unit tests for EntityOwnerChangeListener.
+ *
+ * @author Thomas Pantelis
+ */
+public class EntityOwnerChangeListenerTest {
+    private static final String LOCAL_MEMBER_NAME = "member-1";
+    private static final String REMOTE_MEMBER_NAME1 = "member-2";
+    private static final String REMOTE_MEMBER_NAME2 = "member-3";
+    private static final String ENTITY_TYPE = "test";
+    private static final YangInstanceIdentifier ENTITY_ID1 =
+            YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity1"));
+    private static final YangInstanceIdentifier ENTITY_ID2 =
+            YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity2"));
+    private static final Entity ENTITY1 = new Entity(ENTITY_TYPE, ENTITY_ID1);
+    private static final Entity ENTITY2 = new Entity(ENTITY_TYPE, ENTITY_ID2);
+
+    private final ShardDataTree shardDataTree = new ShardDataTree(SchemaContextHelper.entityOwners());
+    private final EntityOwnershipListenerSupport mockListenerSupport = mock(EntityOwnershipListenerSupport.class);
+    private EntityOwnerChangeListener listener;
+
+    @Before
+    public void setup() {
+        listener = new EntityOwnerChangeListener(LOCAL_MEMBER_NAME, mockListenerSupport);
+        listener.init(shardDataTree);
+    }
+
+    @Test
+    public void testOnDataChanged() throws Exception {
+        writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME));
+        writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID2, LOCAL_MEMBER_NAME));
+        writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, ENTITY_ID1, REMOTE_MEMBER_NAME1));
+
+        verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(Entity.class), anyBoolean(), anyBoolean());
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
+
+        verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, true);
+
+        reset(mockListenerSupport);
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME1));
+
+        verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, true, false);
+
+        reset(mockListenerSupport);
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, REMOTE_MEMBER_NAME2));
+
+        verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(Entity.class), anyBoolean(), anyBoolean());
+
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID1), entityEntryWithOwner(ENTITY_ID1, LOCAL_MEMBER_NAME));
+
+        verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY1, false, true);
+
+        reset(mockListenerSupport);
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, REMOTE_MEMBER_NAME1));
+
+        verify(mockListenerSupport, never()).notifyEntityOwnershipListeners(any(Entity.class), anyBoolean(), anyBoolean());
+
+        reset(mockListenerSupport);
+        writeNode(entityPath(ENTITY_TYPE, ENTITY_ID2), entityEntryWithOwner(ENTITY_ID2, LOCAL_MEMBER_NAME));
+
+        verify(mockListenerSupport).notifyEntityOwnershipListeners(ENTITY2, false, true);
+    }
+
+    private void writeNode(YangInstanceIdentifier path, NormalizedNode<?, ?> node) throws DataValidationFailedException {
+        DataTreeModification modification = shardDataTree.getDataTree().takeSnapshot().newModification();
+        modification.merge(path, node);
+        modification.ready();
+
+        shardDataTree.getDataTree().validate(modification);
+        DataTreeCandidateTip candidate = shardDataTree.getDataTree().prepare(modification);
+        shardDataTree.getDataTree().commit(candidate);
+        shardDataTree.notifyListeners(candidate);
+    }
+}