package org.opendaylight.controller.cluster.datastore;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Matchers.isA;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.opendaylight.controller.cluster.datastore.TransactionProxy.TransactionType.READ_WRITE;
+import static org.opendaylight.controller.cluster.datastore.TransactionProxy.TransactionType.WRITE_ONLY;
+import akka.actor.ActorRef;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
import org.junit.Assert;
import org.junit.Test;
-import org.mockito.Mockito;
+import org.opendaylight.controller.cluster.datastore.messages.BatchedModifications;
+import org.opendaylight.controller.cluster.datastore.messages.BatchedModificationsReply;
+import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
+import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
+import org.opendaylight.controller.cluster.datastore.shardstrategy.DefaultShardStrategy;
import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
+import scala.concurrent.Promise;
-public class TransactionChainProxyTest {
- ActorContext actorContext = Mockito.mock(ActorContext.class);
- SchemaContext schemaContext = Mockito.mock(SchemaContext.class);
+public class TransactionChainProxyTest extends AbstractTransactionProxyTest {
+
+ @SuppressWarnings("resource")
@Test
public void testNewReadOnlyTransaction() throws Exception {
- DOMStoreTransaction dst = new TransactionChainProxy(actorContext, schemaContext).newReadOnlyTransaction();
+ DOMStoreTransaction dst = new TransactionChainProxy(mockActorContext).newReadOnlyTransaction();
Assert.assertTrue(dst instanceof DOMStoreReadTransaction);
}
+ @SuppressWarnings("resource")
@Test
public void testNewReadWriteTransaction() throws Exception {
- DOMStoreTransaction dst = new TransactionChainProxy(actorContext, schemaContext).newReadWriteTransaction();
+ DOMStoreTransaction dst = new TransactionChainProxy(mockActorContext).newReadWriteTransaction();
Assert.assertTrue(dst instanceof DOMStoreReadWriteTransaction);
}
+ @SuppressWarnings("resource")
@Test
public void testNewWriteOnlyTransaction() throws Exception {
- DOMStoreTransaction dst = new TransactionChainProxy(actorContext, schemaContext).newWriteOnlyTransaction();
+ DOMStoreTransaction dst = new TransactionChainProxy(mockActorContext).newWriteOnlyTransaction();
Assert.assertTrue(dst instanceof DOMStoreWriteTransaction);
}
- @Test(expected=UnsupportedOperationException.class)
+ @Test
public void testClose() throws Exception {
- new TransactionChainProxy(actorContext, schemaContext).close();
+ new TransactionChainProxy(mockActorContext).close();
+
+ verify(mockActorContext, times(1)).broadcast(anyObject());
+ }
+
+ @Test
+ public void testTransactionChainsHaveUniqueId(){
+ TransactionChainProxy one = new TransactionChainProxy(mock(ActorContext.class));
+ TransactionChainProxy two = new TransactionChainProxy(mock(ActorContext.class));
+
+ Assert.assertNotEquals(one.getTransactionChainId(), two.getTransactionChainId());
+ }
+
+ @Test
+ public void testRateLimitingUsedInReadWriteTxCreation(){
+ TransactionChainProxy txChainProxy = new TransactionChainProxy(mockActorContext);
+
+ txChainProxy.newReadWriteTransaction();
+
+ verify(mockActorContext, times(1)).acquireTxCreationPermit();
+ }
+
+ @Test
+ public void testRateLimitingUsedInWriteOnlyTxCreation(){
+ TransactionChainProxy txChainProxy = new TransactionChainProxy(mockActorContext);
+
+ txChainProxy.newWriteOnlyTransaction();
+
+ verify(mockActorContext, times(1)).acquireTxCreationPermit();
+ }
+
+
+ @Test
+ public void testRateLimitingNotUsedInReadOnlyTxCreation(){
+ TransactionChainProxy txChainProxy = new TransactionChainProxy(mockActorContext);
+
+ txChainProxy.newReadOnlyTransaction();
+
+ verify(mockActorContext, times(0)).acquireTxCreationPermit();
+ }
+
+ /**
+ * Tests 2 successive chained write-only transactions and verifies the second transaction isn't
+ * initiated until the first one completes its read future.
+ */
+ @Test
+ public void testChainedWriteOnlyTransactions() throws Exception {
+ dataStoreContextBuilder.writeOnlyTransactionOptimizationsEnabled(true);
+
+ TransactionChainProxy txChainProxy = new TransactionChainProxy(mockActorContext);
+
+ ActorRef txActorRef1 = setupActorContextWithoutInitialCreateTransaction(getSystem());
+
+ Promise<Object> batchedReplyPromise1 = akka.dispatch.Futures.promise();
+ doReturn(batchedReplyPromise1.future()).when(mockActorContext).executeOperationAsync(
+ eq(actorSelection(txActorRef1)), isA(BatchedModifications.class));
+
+ DOMStoreWriteTransaction writeTx1 = txChainProxy.newWriteOnlyTransaction();
+
+ NormalizedNode<?, ?> writeNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+ writeTx1.write(TestModel.TEST_PATH, writeNode1);
+
+ writeTx1.ready();
+
+ verify(mockActorContext, times(1)).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
+
+ verifyOneBatchedModification(txActorRef1, new WriteModification(TestModel.TEST_PATH, writeNode1), true);
+
+ ActorRef txActorRef2 = setupActorContextWithoutInitialCreateTransaction(getSystem());
+
+ expectBatchedModifications(txActorRef2, 1);
+
+ final NormalizedNode<?, ?> writeNode2 = ImmutableNodes.containerNode(TestModel.OUTER_LIST_QNAME);
+
+ final DOMStoreWriteTransaction writeTx2 = txChainProxy.newWriteOnlyTransaction();
+
+ final AtomicReference<Exception> caughtEx = new AtomicReference<>();
+ final CountDownLatch write2Complete = new CountDownLatch(1);
+ new Thread() {
+ @Override
+ public void run() {
+ try {
+ writeTx2.write(TestModel.OUTER_LIST_PATH, writeNode2);
+ } catch (Exception e) {
+ caughtEx.set(e);
+ } finally {
+ write2Complete.countDown();
+ }
+ }
+ }.start();
+
+ assertEquals("Tx 2 write should've completed", true, write2Complete.await(5, TimeUnit.SECONDS));
+
+ if(caughtEx.get() != null) {
+ throw caughtEx.get();
+ }
+
+ try {
+ verify(mockActorContext, times(1)).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
+ } catch (AssertionError e) {
+ fail("Tx 2 should not have initiated until the Tx 1's ready future completed");
+ }
+
+ batchedReplyPromise1.success(new BatchedModificationsReply(1, txActorRef1.path().toString()));
+
+ // Tx 2 should've proceeded to find the primary shard.
+ verify(mockActorContext, timeout(5000).times(2)).findPrimaryShardAsync(eq(DefaultShardStrategy.DEFAULT_SHARD));
+ }
+
+ /**
+ * Tests 2 successive chained read-write transactions and verifies the second transaction isn't
+ * initiated until the first one completes its read future.
+ */
+ @Test
+ public void testChainedReadWriteTransactions() throws Exception {
+ TransactionChainProxy txChainProxy = new TransactionChainProxy(mockActorContext);
+
+ ActorRef txActorRef1 = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE);
+
+ expectBatchedModifications(txActorRef1, 1);
+
+ Promise<Object> readyReplyPromise1 = akka.dispatch.Futures.promise();
+ doReturn(readyReplyPromise1.future()).when(mockActorContext).executeOperationAsync(
+ eq(actorSelection(txActorRef1)), isA(ReadyTransaction.SERIALIZABLE_CLASS));
+
+ DOMStoreWriteTransaction writeTx1 = txChainProxy.newReadWriteTransaction();
+
+ NormalizedNode<?, ?> writeNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+ writeTx1.write(TestModel.TEST_PATH, writeNode1);
+
+ writeTx1.ready();
+
+ verifyOneBatchedModification(txActorRef1, new WriteModification(TestModel.TEST_PATH, writeNode1), false);
+
+ String tx2MemberName = "tx2MemberName";
+ doReturn(tx2MemberName).when(mockActorContext).getCurrentMemberName();
+ ActorRef shardActorRef2 = setupActorContextWithoutInitialCreateTransaction(getSystem());
+ ActorRef txActorRef2 = setupActorContextWithInitialCreateTransaction(getSystem(), READ_WRITE,
+ DataStoreVersions.CURRENT_VERSION, tx2MemberName, shardActorRef2);
+
+ expectBatchedModifications(txActorRef2, 1);
+
+ final NormalizedNode<?, ?> writeNode2 = ImmutableNodes.containerNode(TestModel.OUTER_LIST_QNAME);
+
+ final DOMStoreWriteTransaction writeTx2 = txChainProxy.newReadWriteTransaction();
+
+ final AtomicReference<Exception> caughtEx = new AtomicReference<>();
+ final CountDownLatch write2Complete = new CountDownLatch(1);
+ new Thread() {
+ @Override
+ public void run() {
+ try {
+ writeTx2.write(TestModel.OUTER_LIST_PATH, writeNode2);
+ } catch (Exception e) {
+ caughtEx.set(e);
+ } finally {
+ write2Complete.countDown();
+ }
+ }
+ }.start();
+
+ assertEquals("Tx 2 write should've completed", true, write2Complete.await(5, TimeUnit.SECONDS));
+
+ if(caughtEx.get() != null) {
+ throw caughtEx.get();
+ }
+
+ try {
+ verify(mockActorContext, never()).executeOperationAsync(eq(getSystem().actorSelection(shardActorRef2.path())),
+ eqCreateTransaction(tx2MemberName, READ_WRITE));
+ } catch (AssertionError e) {
+ fail("Tx 2 should not have initiated until the Tx 1's ready future completed");
+ }
+
+ readyReplyPromise1.success(readySerializedTxReply(txActorRef1.path().toString()).value().get().get());
+
+ verify(mockActorContext, timeout(5000)).executeOperationAsync(eq(getSystem().actorSelection(shardActorRef2.path())),
+ eqCreateTransaction(tx2MemberName, READ_WRITE));
+ }
+
+ @Test(expected=IllegalStateException.class)
+ public void testChainedWriteTransactionsWithPreviousTxNotReady() throws Exception {
+ ActorRef actorRef = setupActorContextWithInitialCreateTransaction(getSystem(), WRITE_ONLY);
+
+ expectBatchedModifications(actorRef, 1);
+
+ TransactionChainProxy txChainProxy = new TransactionChainProxy(mockActorContext);
+
+ DOMStoreWriteTransaction writeTx1 = txChainProxy.newWriteOnlyTransaction();
+
+ NormalizedNode<?, ?> writeNode1 = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+ writeTx1.write(TestModel.TEST_PATH, writeNode1);
+
+ NormalizedNode<?, ?> writeNode2 = ImmutableNodes.containerNode(TestModel.OUTER_LIST_QNAME);
+
+ txChainProxy.newWriteOnlyTransaction();
}
}