Bump versions 9.0.4-SNAPSHOT
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / test / java / org / opendaylight / controller / cluster / databroker / ConcurrentDOMDataBrokerTest.java
index 43d087050ba64834d3112fa36fd3668d67140d8e..630d582f0c29851d7b5dacd488101b47a459b58f 100644 (file)
@@ -24,7 +24,6 @@ import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediate
 import static org.opendaylight.yangtools.util.concurrent.FluentFutures.immediateTrueFluentFuture;
 
 import com.google.common.base.Throwables;
-import com.google.common.collect.ClassToInstanceMap;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.util.concurrent.FluentFuture;
 import com.google.common.util.concurrent.FutureCallback;
@@ -34,8 +33,6 @@ import com.google.common.util.concurrent.MoreExecutors;
 import com.google.common.util.concurrent.SettableFuture;
 import com.google.common.util.concurrent.Uninterruptibles;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
 import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutionException;
@@ -49,23 +46,18 @@ import org.junit.Before;
 import org.junit.Test;
 import org.mockito.InOrder;
 import org.mockito.stubbing.Answer;
-import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
-import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
 import org.opendaylight.mdsal.common.api.CommitInfo;
-import org.opendaylight.mdsal.common.api.DataStoreUnavailableException;
 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
-import org.opendaylight.mdsal.common.api.TransactionChainListener;
 import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
-import org.opendaylight.mdsal.dom.api.DOMDataBrokerExtension;
-import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
+import org.opendaylight.mdsal.dom.api.DOMDataBroker.CommitCohortExtension;
+import org.opendaylight.mdsal.dom.api.DOMDataBroker.DataTreeChangeExtension;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohort;
-import org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistry;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
-import org.opendaylight.mdsal.dom.broker.TransactionCommitFailedExceptionMapper;
+import org.opendaylight.mdsal.dom.spi.TransactionCommitFailedExceptionMapper;
 import org.opendaylight.mdsal.dom.spi.store.DOMStore;
 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
@@ -74,7 +66,7 @@ import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain;
 import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore;
 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.ContainerNode;
 
 /**
  * Unit tests for DOMConcurrentDataCommitCoordinator.
@@ -84,8 +76,7 @@ import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 public class ConcurrentDOMDataBrokerTest {
 
     private final DOMDataTreeWriteTransaction transaction = mock(DOMDataTreeWriteTransaction.class);
-    private final DOMStoreThreePhaseCommitCohort mockCohort1 = mock(DOMStoreThreePhaseCommitCohort.class);
-    private final DOMStoreThreePhaseCommitCohort mockCohort2 = mock(DOMStoreThreePhaseCommitCohort.class);
+    private final DOMStoreThreePhaseCommitCohort mockCohort = mock(DOMStoreThreePhaseCommitCohort.class);
     private final ThreadPoolExecutor futureExecutor =
             new ThreadPoolExecutor(0, 1, 5, TimeUnit.SECONDS, new SynchronousQueue<>());
     private ConcurrentDOMDataBroker coordinator;
@@ -121,8 +112,7 @@ public class ConcurrentDOMDataBrokerTest {
             final SettableFuture<Boolean> future = SettableFuture.create();
             if (doAsync) {
                 new Thread(() -> {
-                    Uninterruptibles.awaitUninterruptibly(asyncCanCommitContinue,
-                            10, TimeUnit.SECONDS);
+                    Uninterruptibles.awaitUninterruptibly(asyncCanCommitContinue, 10, TimeUnit.SECONDS);
                     future.set(Boolean.TRUE);
                 }).start();
             } else {
@@ -132,16 +122,11 @@ public class ConcurrentDOMDataBrokerTest {
             return future;
         };
 
-        doAnswer(asyncCanCommit).when(mockCohort1).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).preCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).commit();
+        doAnswer(asyncCanCommit).when(mockCohort).canCommit();
+        doReturn(immediateNullFluentFuture()).when(mockCohort).preCommit();
+        doReturn(immediateNullFluentFuture()).when(mockCohort).commit();
 
-        doReturn(immediateTrueFluentFuture()).when(mockCohort2).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).preCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).commit();
-
-        ListenableFuture<? extends CommitInfo> future =
-                coordinator.commit(transaction, Arrays.asList(mockCohort1, mockCohort2));
+        ListenableFuture<? extends CommitInfo> future = coordinator.commit(transaction, mockCohort);
 
         final CountDownLatch doneLatch = new CountDownLatch(1);
         final AtomicReference<Throwable> caughtEx = new AtomicReference<>();
@@ -169,35 +154,22 @@ public class ConcurrentDOMDataBrokerTest {
 
         assertEquals("Task count", doAsync ? 1 : 0, futureExecutor.getTaskCount());
 
-        InOrder inOrder = inOrder(mockCohort1, mockCohort2);
-        inOrder.verify(mockCohort1).canCommit();
-        inOrder.verify(mockCohort2).canCommit();
-        inOrder.verify(mockCohort1).preCommit();
-        inOrder.verify(mockCohort2).preCommit();
-        inOrder.verify(mockCohort1).commit();
-        inOrder.verify(mockCohort2).commit();
+        InOrder inOrder = inOrder(mockCohort);
+        inOrder.verify(mockCohort, times(1)).canCommit();
+        inOrder.verify(mockCohort, times(1)).preCommit();
+        inOrder.verify(mockCohort, times(1)).commit();
     }
 
     @Test
     public void testSubmitWithNegativeCanCommitResponse() throws Exception {
-        doReturn(immediateTrueFluentFuture()).when(mockCohort1).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).abort();
-
-        doReturn(Futures.immediateFuture(Boolean.FALSE)).when(mockCohort2).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).abort();
-
-        DOMStoreThreePhaseCommitCohort mockCohort3 = mock(DOMStoreThreePhaseCommitCohort.class);
-        doReturn(Futures.immediateFuture(Boolean.FALSE)).when(mockCohort3).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort3).abort();
-
-        ListenableFuture<? extends CommitInfo> future = coordinator.commit(
-                transaction, Arrays.asList(mockCohort1, mockCohort2, mockCohort3));
+        doReturn(Futures.immediateFuture(Boolean.FALSE)).when(mockCohort).canCommit();
+        doReturn(immediateNullFluentFuture()).when(mockCohort).abort();
 
-        assertFailure(future, null, mockCohort1, mockCohort2, mockCohort3);
+        assertFailure(coordinator.commit(transaction, mockCohort), null, mockCohort);
     }
 
     private static void assertFailure(final ListenableFuture<?> future, final Exception expCause,
-            final DOMStoreThreePhaseCommitCohort... mockCohorts) throws Exception {
+            final DOMStoreThreePhaseCommitCohort mockCohort) throws Exception {
         try {
             future.get(5, TimeUnit.SECONDS);
             fail("Expected TransactionCommitFailedException");
@@ -206,11 +178,7 @@ public class ConcurrentDOMDataBrokerTest {
             if (expCause != null) {
                 assertSame("Expected cause", expCause.getClass(), tcf.getCause().getClass());
             }
-
-            InOrder inOrder = inOrder((Object[])mockCohorts);
-            for (DOMStoreThreePhaseCommitCohort c: mockCohorts) {
-                inOrder.verify(c).abort();
-            }
+            verify(mockCohort, times(1)).abort();
         } catch (TimeoutException e) {
             throw e;
         }
@@ -218,97 +186,42 @@ public class ConcurrentDOMDataBrokerTest {
 
     @Test
     public void testSubmitWithCanCommitException() throws Exception {
-        doReturn(immediateTrueFluentFuture()).when(mockCohort1).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).abort();
-
-        IllegalStateException cause = new IllegalStateException("mock");
-        doReturn(Futures.immediateFailedFuture(cause)).when(mockCohort2).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).abort();
-
-        FluentFuture<? extends CommitInfo> future = coordinator.commit(
-                transaction, Arrays.asList(mockCohort1, mockCohort2));
+        final Exception cause = new IllegalStateException("mock");
+        doReturn(Futures.immediateFailedFuture(cause)).when(mockCohort).canCommit();
+        doReturn(immediateNullFluentFuture()).when(mockCohort).abort();
 
-        assertFailure(future, cause, mockCohort1, mockCohort2);
-    }
-
-    @Test
-    public void testSubmitWithCanCommitDataStoreUnavailableException() throws Exception {
-        doReturn(immediateTrueFluentFuture()).when(mockCohort1).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).abort();
-        NoShardLeaderException rootCause = new NoShardLeaderException("mock");
-        DataStoreUnavailableException cause = new DataStoreUnavailableException(rootCause.getMessage(), rootCause);
-        doReturn(Futures.immediateFailedFuture(rootCause)).when(mockCohort2).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).abort();
-
-        FluentFuture<? extends CommitInfo> future = coordinator.commit(
-            transaction, Arrays.asList(mockCohort1, mockCohort2));
-
-        assertFailure(future, cause, mockCohort1, mockCohort2);
+        assertFailure(coordinator.commit(transaction, mockCohort), cause, mockCohort);
     }
 
     @Test
     public void testSubmitWithPreCommitException() throws Exception {
-        doReturn(immediateTrueFluentFuture()).when(mockCohort1).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).preCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).abort();
-
-        doReturn(immediateTrueFluentFuture()).when(mockCohort2).canCommit();
-        IllegalStateException cause = new IllegalStateException("mock");
-        doReturn(Futures.immediateFailedFuture(cause)).when(mockCohort2).preCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).abort();
-
-        DOMStoreThreePhaseCommitCohort mockCohort3 = mock(DOMStoreThreePhaseCommitCohort.class);
-        doReturn(immediateTrueFluentFuture()).when(mockCohort3).canCommit();
-        doReturn(Futures.immediateFailedFuture(new IllegalStateException("mock2")))
-                .when(mockCohort3).preCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort3).abort();
-
-        FluentFuture<? extends CommitInfo> future = coordinator.commit(
-                transaction, Arrays.asList(mockCohort1, mockCohort2, mockCohort3));
+        doReturn(immediateTrueFluentFuture()).when(mockCohort).canCommit();
+        final IllegalStateException cause = new IllegalStateException("mock");
+        doReturn(Futures.immediateFailedFuture(cause)).when(mockCohort).preCommit();
+        doReturn(immediateNullFluentFuture()).when(mockCohort).abort();
 
-        assertFailure(future, cause, mockCohort1, mockCohort2, mockCohort3);
+        assertFailure(coordinator.commit(transaction, mockCohort), cause, mockCohort);
     }
 
     @Test
     public void testSubmitWithCommitException() throws Exception {
-        doReturn(immediateTrueFluentFuture()).when(mockCohort1).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).preCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).commit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort1).abort();
-
-        doReturn(immediateTrueFluentFuture()).when(mockCohort2).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).preCommit();
-        IllegalStateException cause = new IllegalStateException("mock");
-        doReturn(Futures.immediateFailedFuture(cause)).when(mockCohort2).commit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).abort();
-
-        DOMStoreThreePhaseCommitCohort mockCohort3 = mock(DOMStoreThreePhaseCommitCohort.class);
-        doReturn(immediateTrueFluentFuture()).when(mockCohort3).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort3).preCommit();
-        doReturn(Futures.immediateFailedFuture(new IllegalStateException("mock2")))
-                .when(mockCohort3).commit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort3).abort();
-
-        FluentFuture<? extends CommitInfo> future = coordinator.commit(
-                transaction, Arrays.asList(mockCohort1, mockCohort2, mockCohort3));
-
-        assertFailure(future, cause, mockCohort1, mockCohort2, mockCohort3);
+        doReturn(immediateTrueFluentFuture()).when(mockCohort).canCommit();
+        doReturn(immediateNullFluentFuture()).when(mockCohort).preCommit();
+        final IllegalStateException cause = new IllegalStateException("mock");
+        doReturn(Futures.immediateFailedFuture(cause)).when(mockCohort).commit();
+        doReturn(immediateNullFluentFuture()).when(mockCohort).abort();
+
+        assertFailure(coordinator.commit(transaction, mockCohort), cause, mockCohort);
     }
 
     @Test
     public void testSubmitWithAbortException() throws Exception {
-        doReturn(immediateTrueFluentFuture()).when(mockCohort1).canCommit();
-        doReturn(Futures.immediateFailedFuture(new IllegalStateException("mock abort error")))
-                .when(mockCohort1).abort();
+        final Exception canCommitCause = new IllegalStateException("canCommit error");
+        doReturn(Futures.immediateFailedFuture(canCommitCause)).when(mockCohort).canCommit();
+        final Exception abortCause = new IllegalStateException("abort error");
+        doReturn(Futures.immediateFailedFuture(abortCause)).when(mockCohort).abort();
 
-        IllegalStateException cause = new IllegalStateException("mock canCommit error");
-        doReturn(Futures.immediateFailedFuture(cause)).when(mockCohort2).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohort2).abort();
-
-        FluentFuture<? extends CommitInfo> future = coordinator.commit(
-                transaction, Arrays.asList(mockCohort1, mockCohort2));
-
-        assertFailure(future, cause, mockCohort1, mockCohort2);
+        assertFailure(coordinator.commit(transaction, mockCohort), canCommitCause, mockCohort);
     }
 
     @Test
@@ -361,17 +274,12 @@ public class ConcurrentDOMDataBrokerTest {
                 configDomStore), futureExecutor)) {
             DOMDataTreeReadWriteTransaction dataTxn = dataBroker.newReadWriteTransaction();
 
-            dataTxn.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY, mock(NormalizedNode.class));
-            dataTxn.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY, mock(NormalizedNode.class));
-            dataTxn.read(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY);
+            dataTxn.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of(), mock(ContainerNode.class));
+            dataTxn.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of(), mock(ContainerNode.class));
+            dataTxn.read(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of());
 
             verify(configDomStore, never()).newReadWriteTransaction();
             verify(operationalDomStore, times(1)).newReadWriteTransaction();
-
-            dataTxn.put(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.EMPTY, mock(NormalizedNode.class));
-
-            verify(configDomStore, times(1)).newReadWriteTransaction();
-            verify(operationalDomStore, times(1)).newReadWriteTransaction();
         }
 
     }
@@ -390,16 +298,11 @@ public class ConcurrentDOMDataBrokerTest {
                 configDomStore), futureExecutor)) {
             DOMDataTreeWriteTransaction dataTxn = dataBroker.newWriteOnlyTransaction();
 
-            dataTxn.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY, mock(NormalizedNode.class));
-            dataTxn.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY, mock(NormalizedNode.class));
+            dataTxn.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of(), mock(ContainerNode.class));
+            dataTxn.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of(), mock(ContainerNode.class));
 
             verify(configDomStore, never()).newWriteOnlyTransaction();
             verify(operationalDomStore, times(1)).newWriteOnlyTransaction();
-
-            dataTxn.put(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.EMPTY, mock(NormalizedNode.class));
-
-            verify(configDomStore, times(1)).newWriteOnlyTransaction();
-            verify(operationalDomStore, times(1)).newWriteOnlyTransaction();
         }
     }
 
@@ -417,16 +320,11 @@ public class ConcurrentDOMDataBrokerTest {
                 configDomStore), futureExecutor)) {
             DOMDataTreeReadTransaction dataTxn = dataBroker.newReadOnlyTransaction();
 
-            dataTxn.read(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY);
-            dataTxn.read(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY);
+            dataTxn.read(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of());
+            dataTxn.read(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of());
 
             verify(configDomStore, never()).newReadOnlyTransaction();
             verify(operationalDomStore, times(1)).newReadOnlyTransaction();
-
-            dataTxn.read(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.EMPTY);
-
-            verify(configDomStore, times(1)).newReadOnlyTransaction();
-            verify(operationalDomStore, times(1)).newReadOnlyTransaction();
         }
     }
 
@@ -435,7 +333,6 @@ public class ConcurrentDOMDataBrokerTest {
         DOMStore configDomStore = mock(DOMStore.class);
         DOMStore operationalDomStore = mock(DOMStore.class);
         DOMStoreReadWriteTransaction mockStoreReadWriteTransaction = mock(DOMStoreReadWriteTransaction.class);
-        DOMStoreThreePhaseCommitCohort mockCohort = mock(DOMStoreThreePhaseCommitCohort.class);
 
         doReturn(mockStoreReadWriteTransaction).when(operationalDomStore).newReadWriteTransaction();
         doReturn(mockCohort).when(mockStoreReadWriteTransaction).ready();
@@ -450,15 +347,15 @@ public class ConcurrentDOMDataBrokerTest {
                 configDomStore), futureExecutor) {
             @Override
             public FluentFuture<? extends CommitInfo> commit(DOMDataTreeWriteTransaction writeTx,
-                    Collection<DOMStoreThreePhaseCommitCohort> cohorts) {
-                commitCohorts.addAll(cohorts);
+                    DOMStoreThreePhaseCommitCohort cohort) {
+                commitCohorts.add(cohort);
                 latch.countDown();
-                return super.commit(writeTx, cohorts);
+                return super.commit(writeTx, cohort);
             }
         }) {
             DOMDataTreeReadWriteTransaction domDataReadWriteTransaction = dataBroker.newReadWriteTransaction();
 
-            domDataReadWriteTransaction.delete(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY);
+            domDataReadWriteTransaction.delete(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of());
 
             domDataReadWriteTransaction.commit();
 
@@ -468,56 +365,6 @@ public class ConcurrentDOMDataBrokerTest {
         }
     }
 
-    @Test
-    public void testSubmitWithOnlyTwoSubTransactions() throws InterruptedException {
-        DOMStore configDomStore = mock(DOMStore.class);
-        DOMStore operationalDomStore = mock(DOMStore.class);
-        DOMStoreReadWriteTransaction operationalTransaction = mock(DOMStoreReadWriteTransaction.class);
-        DOMStoreReadWriteTransaction configTransaction = mock(DOMStoreReadWriteTransaction.class);
-        DOMStoreThreePhaseCommitCohort mockCohortOperational = mock(DOMStoreThreePhaseCommitCohort.class);
-        DOMStoreThreePhaseCommitCohort mockCohortConfig = mock(DOMStoreThreePhaseCommitCohort.class);
-
-        doReturn(operationalTransaction).when(operationalDomStore).newReadWriteTransaction();
-        doReturn(configTransaction).when(configDomStore).newReadWriteTransaction();
-
-        doReturn(mockCohortOperational).when(operationalTransaction).ready();
-        doReturn(immediateFalseFluentFuture()).when(mockCohortOperational).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohortOperational).abort();
-
-        doReturn(mockCohortConfig).when(configTransaction).ready();
-        doReturn(immediateFalseFluentFuture()).when(mockCohortConfig).canCommit();
-        doReturn(immediateNullFluentFuture()).when(mockCohortConfig).abort();
-
-        final CountDownLatch latch = new CountDownLatch(1);
-        final List<DOMStoreThreePhaseCommitCohort> commitCohorts = new ArrayList<>();
-
-        try (ConcurrentDOMDataBroker dataBroker = new ConcurrentDOMDataBroker(ImmutableMap.of(
-                LogicalDatastoreType.OPERATIONAL, operationalDomStore, LogicalDatastoreType.CONFIGURATION,
-                configDomStore), futureExecutor) {
-            @Override
-            @SuppressWarnings("checkstyle:hiddenField")
-            public FluentFuture<? extends CommitInfo> commit(DOMDataTreeWriteTransaction writeTx,
-                    Collection<DOMStoreThreePhaseCommitCohort> cohorts) {
-                commitCohorts.addAll(cohorts);
-                latch.countDown();
-                return super.commit(writeTx, cohorts);
-            }
-        }) {
-            DOMDataTreeReadWriteTransaction domDataReadWriteTransaction = dataBroker.newReadWriteTransaction();
-
-            domDataReadWriteTransaction.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY,
-                    mock(NormalizedNode.class));
-            domDataReadWriteTransaction.merge(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.EMPTY,
-                    mock(NormalizedNode.class));
-
-            domDataReadWriteTransaction.commit();
-
-            assertTrue(latch.await(10, TimeUnit.SECONDS));
-
-            assertTrue(commitCohorts.size() == 2);
-        }
-    }
-
     @Test
     public void testCreateTransactionChain() {
         DOMStore domStore = mock(DOMStore.class);
@@ -525,7 +372,7 @@ public class ConcurrentDOMDataBrokerTest {
                 LogicalDatastoreType.OPERATIONAL, domStore, LogicalDatastoreType.CONFIGURATION, domStore),
                 futureExecutor)) {
 
-            dataBroker.createTransactionChain(mock(TransactionChainListener.class));
+            dataBroker.createTransactionChain();
 
             verify(domStore, times(2)).createTransactionChain();
         }
@@ -545,15 +392,14 @@ public class ConcurrentDOMDataBrokerTest {
             doReturn(mockChain).when(domStore).createTransactionChain();
             doReturn(operationalTransaction).when(mockChain).newWriteOnlyTransaction();
 
-            DOMTransactionChain transactionChain = dataBroker.createTransactionChain(
-                    mock(TransactionChainListener.class));
+            DOMTransactionChain transactionChain = dataBroker.createTransactionChain();
 
             DOMDataTreeWriteTransaction domDataWriteTransaction = transactionChain.newWriteOnlyTransaction();
 
             verify(mockChain, never()).newWriteOnlyTransaction();
 
-            domDataWriteTransaction.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.EMPTY,
-                    mock(NormalizedNode.class));
+            domDataWriteTransaction.put(LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.of(),
+                    mock(ContainerNode.class));
         }
     }
 
@@ -580,26 +426,21 @@ public class ConcurrentDOMDataBrokerTest {
 
     @Test
     public void testExtensions() {
-        DistributedDataStore mockConfigStore = mock(DistributedDataStore.class);
-        DistributedDataStore mockOperStore = mock(DistributedDataStore.class);
-        try (ConcurrentDOMDataBroker dataBroker = new ConcurrentDOMDataBroker(ImmutableMap.of(
+        final var mockConfigStore = mock(ClientBackedDataStore.class);
+        final var mockOperStore = mock(ClientBackedDataStore.class);
+        try (var dataBroker = new ConcurrentDOMDataBroker(ImmutableMap.of(
                 LogicalDatastoreType.OPERATIONAL, mockOperStore,
                 LogicalDatastoreType.CONFIGURATION, mockConfigStore), futureExecutor)) {
+            assertNotNull(dataBroker.extension(DataTreeChangeExtension.class));
 
-            ClassToInstanceMap<DOMDataBrokerExtension> supportedExtensions = dataBroker.getExtensions();
-            assertNotNull(supportedExtensions.getInstance(DOMDataTreeChangeService.class));
-
-            DOMDataTreeCommitCohortRegistry cohortRegistry = supportedExtensions.getInstance(
-                DOMDataTreeCommitCohortRegistry.class);
+            final var cohortRegistry = dataBroker.extension(CommitCohortExtension.class);
             assertNotNull(cohortRegistry);
 
-            DOMDataTreeCommitCohort mockCohort = mock(DOMDataTreeCommitCohort.class);
-            DOMDataTreeIdentifier path = new DOMDataTreeIdentifier(
-                    org.opendaylight.mdsal.common.api.LogicalDatastoreType.CONFIGURATION,
-                    YangInstanceIdentifier.EMPTY);
-            cohortRegistry.registerCommitCohort(path, mockCohort);
+            final var cohort = mock(DOMDataTreeCommitCohort.class);
+            final var path = DOMDataTreeIdentifier.of(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.of());
+            cohortRegistry.registerCommitCohort(path, cohort);
 
-            verify(mockConfigStore).registerCommitCohort(path, mockCohort);
+            verify(mockConfigStore).registerCommitCohort(path, cohort);
         }
     }
 }