--- /dev/null
+/*
+ * 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.compat;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.argThat;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Matchers.isA;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+import static org.opendaylight.controller.cluster.datastore.TransactionProxy.TransactionType.READ_WRITE;
+import akka.actor.ActorRef;
+import akka.dispatch.Futures;
+import com.google.common.base.Optional;
+import java.util.concurrent.TimeUnit;
+import org.junit.Test;
+import org.mockito.ArgumentMatcher;
+import org.mockito.Mockito;
+import org.opendaylight.controller.cluster.datastore.AbstractTransactionProxyTest;
+import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
+import org.opendaylight.controller.cluster.datastore.ThreePhaseCommitCohortProxy;
+import org.opendaylight.controller.cluster.datastore.TransactionProxy;
+import org.opendaylight.controller.cluster.datastore.messages.DeleteData;
+import org.opendaylight.controller.cluster.datastore.messages.DeleteDataReply;
+import org.opendaylight.controller.cluster.datastore.messages.MergeData;
+import org.opendaylight.controller.cluster.datastore.messages.MergeDataReply;
+import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
+import org.opendaylight.controller.cluster.datastore.messages.WriteData;
+import org.opendaylight.controller.cluster.datastore.messages.WriteDataReply;
+import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
+import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
+
+/**
+ * Unit tests for backwards compatibility with pre-Lithium versions.
+ *
+ * @author Thomas Pantelis
+ */
+public class PreLithiumTransactionProxyTest extends AbstractTransactionProxyTest {
+
+ private WriteData eqLegacyWriteData(final NormalizedNode<?, ?> nodeToWrite) {
+ ArgumentMatcher<WriteData> matcher = new ArgumentMatcher<WriteData>() {
+ @Override
+ public boolean matches(Object argument) {
+ if(ShardTransactionMessages.WriteData.class.equals(argument.getClass())) {
+ WriteData obj = WriteData.fromSerializable(argument);
+ return obj.getPath().equals(TestModel.TEST_PATH) && obj.getData().equals(nodeToWrite);
+ }
+
+ return false;
+ }
+ };
+
+ return argThat(matcher);
+ }
+
+ private MergeData eqLegacyMergeData(final NormalizedNode<?, ?> nodeToWrite) {
+ ArgumentMatcher<MergeData> matcher = new ArgumentMatcher<MergeData>() {
+ @Override
+ public boolean matches(Object argument) {
+ if(ShardTransactionMessages.MergeData.class.equals(argument.getClass())) {
+ MergeData obj = MergeData.fromSerializable(argument);
+ return obj.getPath().equals(TestModel.TEST_PATH) && obj.getData().equals(nodeToWrite);
+ }
+
+ return false;
+ }
+ };
+
+ return argThat(matcher);
+ }
+
+ private DeleteData eqLegacyDeleteData(final YangInstanceIdentifier expPath) {
+ ArgumentMatcher<DeleteData> matcher = new ArgumentMatcher<DeleteData>() {
+ @Override
+ public boolean matches(Object argument) {
+ return ShardTransactionMessages.DeleteData.class.equals(argument.getClass()) &&
+ DeleteData.fromSerializable(argument).getPath().equals(expPath);
+ }
+ };
+
+ return argThat(matcher);
+ }
+
+ private ActorRef testCompatibilityWithHeliumVersion(short version) throws Exception {
+ ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE, version);
+
+ NormalizedNode<?, ?> testNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+
+ doReturn(readSerializedDataReply(testNode, version)).when(mockActorContext).executeOperationAsync(
+ eq(actorSelection(actorRef)), eqSerializedReadData(TestModel.TEST_PATH));
+
+ doReturn(Futures.successful(new WriteDataReply().toSerializable(version))).when(mockActorContext).
+ executeOperationAsync(eq(actorSelection(actorRef)), eqLegacyWriteData(testNode));
+
+ doReturn(Futures.successful(new MergeDataReply().toSerializable(version))).when(mockActorContext).
+ executeOperationAsync(eq(actorSelection(actorRef)), eqLegacyMergeData(testNode));
+
+ doReturn(Futures.successful(new DeleteDataReply().toSerializable(version))).when(mockActorContext).
+ executeOperationAsync(eq(actorSelection(actorRef)), eqLegacyDeleteData(TestModel.TEST_PATH));
+
+ doReturn(readySerializedTxReply(actorRef.path().toString())).when(mockActorContext).executeOperationAsync(
+ eq(actorSelection(actorRef)), isA(ReadyTransaction.SERIALIZABLE_CLASS));
+
+ doReturn(actorRef.path().toString()).when(mockActorContext).resolvePath(eq(actorRef.path().toString()),
+ eq(actorRef.path().toString()));
+
+ TransactionProxy transactionProxy = new TransactionProxy(mockActorContext, READ_WRITE);
+
+ Optional<NormalizedNode<?, ?>> readOptional = transactionProxy.read(TestModel.TEST_PATH).
+ get(5, TimeUnit.SECONDS);
+
+ assertEquals("NormalizedNode isPresent", true, readOptional.isPresent());
+ assertEquals("Response NormalizedNode", testNode, readOptional.get());
+
+ transactionProxy.write(TestModel.TEST_PATH, testNode);
+
+ transactionProxy.merge(TestModel.TEST_PATH, testNode);
+
+ transactionProxy.delete(TestModel.TEST_PATH);
+
+ DOMStoreThreePhaseCommitCohort ready = transactionProxy.ready();
+
+ assertTrue(ready instanceof ThreePhaseCommitCohortProxy);
+
+ ThreePhaseCommitCohortProxy proxy = (ThreePhaseCommitCohortProxy) ready;
+
+ verifyCohortFutures(proxy, getSystem().actorSelection(actorRef.path()));
+
+ return actorRef;
+ }
+
+ @Test
+ public void testCompatibilityWithBaseHeliumVersion() throws Exception {
+ ActorRef actorRef = testCompatibilityWithHeliumVersion(DataStoreVersions.BASE_HELIUM_VERSION);
+
+ verify(mockActorContext).resolvePath(eq(actorRef.path().toString()),
+ eq(actorRef.path().toString()));
+ }
+
+ @Test
+ public void testCompatibilityWithHeliumR1Version() throws Exception {
+ ActorRef actorRef = testCompatibilityWithHeliumVersion(DataStoreVersions.HELIUM_1_VERSION);
+
+ verify(mockActorContext, Mockito.never()).resolvePath(eq(actorRef.path().toString()),
+ eq(actorRef.path().toString()));
+ }
+}