Bug 2194: Modify FindPrimary to check for leader

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxyTest.java b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxyTest.java
index 4f00ed5f4bcfe4e88908d9bf2ca25417c3658e18..acba775445879d5a1305969cc099fc6fd35b2cb8 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxyTest.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxyTest.java
@@ -29,8 +29,11 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicReference;
 import org.junit.Assert;
 import org.junit.Test;
+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;
@@ -111,6 +114,74 @@ public class TransactionChainProxyTest extends AbstractTransactionProxyTest {
         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.
@@ -134,7 +205,7 @@ public class TransactionChainProxyTest extends AbstractTransactionProxyTest {
 
         writeTx1.ready();
 
-        verifyOneBatchedModification(txActorRef1, new WriteModification(TestModel.TEST_PATH, writeNode1));
+        verifyOneBatchedModification(txActorRef1, new WriteModification(TestModel.TEST_PATH, writeNode1), false);
 
         String tx2MemberName = "tx2MemberName";
         doReturn(tx2MemberName).when(mockActorContext).getCurrentMemberName();