+/*
+ * Copyright (c) 2015 Cisco 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;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
-import com.google.common.base.Optional;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyBoolean;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.inOrder;
+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.mockito.Mockito.verifyNoMoreInteractions;
+import static org.opendaylight.controller.cluster.datastore.ShardDataTreeMocking.coordinatedCanCommit;
+import static org.opendaylight.controller.cluster.datastore.ShardDataTreeMocking.coordinatedCommit;
+import static org.opendaylight.controller.cluster.datastore.ShardDataTreeMocking.coordinatedPreCommit;
+import static org.opendaylight.controller.cluster.datastore.ShardDataTreeMocking.immediate3PhaseCommit;
+import static org.opendaylight.controller.cluster.datastore.ShardDataTreeMocking.immediateCanCommit;
+import static org.opendaylight.controller.cluster.datastore.ShardDataTreeMocking.immediateCommit;
+import static org.opendaylight.controller.cluster.datastore.ShardDataTreeMocking.immediatePayloadReplication;
+import static org.opendaylight.controller.cluster.datastore.ShardDataTreeMocking.immediatePreCommit;
+
+import com.google.common.base.Ticker;
+import com.google.common.collect.Maps;
+import com.google.common.primitives.UnsignedLong;
+import com.google.common.util.concurrent.FutureCallback;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
import java.util.concurrent.ExecutionException;
+import java.util.function.Consumer;
import org.junit.Before;
import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.InOrder;
+import org.mockito.Mockito;
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
+import org.opendaylight.controller.cluster.datastore.persisted.CommitTransactionPayload;
import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-public class ShardDataTreeTest {
+public class ShardDataTreeTest extends AbstractTest {
- SchemaContext fullSchema;
+ private final Shard mockShard = Mockito.mock(Shard.class);
+ private ShardDataTree shardDataTree;
+ private SchemaContext fullSchema;
@Before
- public void setUp(){
+ public void setUp() {
+ doReturn(Ticker.systemTicker()).when(mockShard).ticker();
+ doReturn(Mockito.mock(ShardStats.class)).when(mockShard).getShardMBean();
+
fullSchema = SchemaContextHelper.full();
+
+ shardDataTree = new ShardDataTree(mockShard, fullSchema, TreeType.OPERATIONAL);
}
@Test
public void testWrite() throws ExecutionException, InterruptedException {
- modify(new ShardDataTree(fullSchema), false, true, true);
+ modify(false, true, true);
}
@Test
public void testMerge() throws ExecutionException, InterruptedException {
- modify(new ShardDataTree(fullSchema), true, true, true);
+ modify(true, true, true);
}
-
- private void modify(ShardDataTree shardDataTree, boolean merge, boolean expectedCarsPresent, boolean expectedPeoplePresent) throws ExecutionException, InterruptedException {
+ private void modify(final boolean merge, final boolean expectedCarsPresent, final boolean expectedPeoplePresent)
+ throws ExecutionException, InterruptedException {
+ immediatePayloadReplication(shardDataTree, mockShard);
assertEquals(fullSchema, shardDataTree.getSchemaContext());
- ReadWriteShardDataTreeTransaction transaction = shardDataTree.newReadWriteTransaction("txn-1", null);
+ final ReadWriteShardDataTreeTransaction transaction =
+ shardDataTree.newReadWriteTransaction(nextTransactionId());
- DataTreeModification snapshot = transaction.getSnapshot();
+ final DataTreeModification snapshot = transaction.getSnapshot();
assertNotNull(snapshot);
- if(merge){
+ if (merge) {
snapshot.merge(CarsModel.BASE_PATH, CarsModel.create());
snapshot.merge(PeopleModel.BASE_PATH, PeopleModel.create());
} else {
snapshot.write(PeopleModel.BASE_PATH, PeopleModel.create());
}
- ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
-
- cohort.preCommit().get();
- cohort.commit().get();
+ final ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
+ immediateCanCommit(cohort);
+ immediatePreCommit(cohort);
+ immediateCommit(cohort);
- ReadOnlyShardDataTreeTransaction readOnlyShardDataTreeTransaction = shardDataTree.newReadOnlyTransaction("txn-2", null);
+ final ReadOnlyShardDataTreeTransaction readOnlyShardDataTreeTransaction =
+ shardDataTree.newReadOnlyTransaction(nextTransactionId());
- DataTreeSnapshot snapshot1 = readOnlyShardDataTreeTransaction.getSnapshot();
+ final DataTreeSnapshot snapshot1 = readOnlyShardDataTreeTransaction.getSnapshot();
- Optional<NormalizedNode<?, ?>> optional = snapshot1.readNode(CarsModel.BASE_PATH);
+ final Optional<NormalizedNode<?, ?>> optional = snapshot1.readNode(CarsModel.BASE_PATH);
assertEquals(expectedCarsPresent, optional.isPresent());
- Optional<NormalizedNode<?, ?>> optional1 = snapshot1.readNode(PeopleModel.BASE_PATH);
+ final Optional<NormalizedNode<?, ?>> optional1 = snapshot1.readNode(PeopleModel.BASE_PATH);
assertEquals(expectedPeoplePresent, optional1.isPresent());
+ }
+
+ @Test
+ public void bug4359AddRemoveCarOnce() throws ExecutionException, InterruptedException {
+ immediatePayloadReplication(shardDataTree, mockShard);
+
+ final List<DataTreeCandidate> candidates = new ArrayList<>();
+ candidates.add(addCar(shardDataTree));
+ candidates.add(removeCar(shardDataTree));
+
+ final NormalizedNode<?, ?> expected = getCars(shardDataTree);
+
+ applyCandidates(shardDataTree, candidates);
+
+ final NormalizedNode<?, ?> actual = getCars(shardDataTree);
+
+ assertEquals(expected, actual);
+ }
+
+ @Test
+ public void bug4359AddRemoveCarTwice() throws ExecutionException, InterruptedException {
+ immediatePayloadReplication(shardDataTree, mockShard);
+
+ final List<DataTreeCandidate> candidates = new ArrayList<>();
+ candidates.add(addCar(shardDataTree));
+ candidates.add(removeCar(shardDataTree));
+ candidates.add(addCar(shardDataTree));
+ candidates.add(removeCar(shardDataTree));
+
+ final NormalizedNode<?, ?> expected = getCars(shardDataTree);
+
+ applyCandidates(shardDataTree, candidates);
+
+ final NormalizedNode<?, ?> actual = getCars(shardDataTree);
+
+ assertEquals(expected, actual);
+ }
+
+ @Test
+ public void testListenerNotifiedOnApplySnapshot() throws Exception {
+ immediatePayloadReplication(shardDataTree, mockShard);
+
+ DOMDataTreeChangeListener listener = mock(DOMDataTreeChangeListener.class);
+ shardDataTree.registerTreeChangeListener(CarsModel.CAR_LIST_PATH.node(CarsModel.CAR_QNAME), listener,
+ com.google.common.base.Optional.absent(), noop -> { });
+
+ addCar(shardDataTree, "optima");
+
+ verifyOnDataTreeChanged(listener, dtc -> {
+ assertEquals("getModificationType", ModificationType.WRITE, dtc.getRootNode().getModificationType());
+ assertEquals("getRootPath", CarsModel.newCarPath("optima"), dtc.getRootPath());
+ });
+
+ addCar(shardDataTree, "sportage");
+
+ verifyOnDataTreeChanged(listener, dtc -> {
+ assertEquals("getModificationType", ModificationType.WRITE, dtc.getRootNode().getModificationType());
+ assertEquals("getRootPath", CarsModel.newCarPath("sportage"), dtc.getRootPath());
+ });
+
+ ShardDataTree newDataTree = new ShardDataTree(mockShard, fullSchema, TreeType.OPERATIONAL);
+ immediatePayloadReplication(newDataTree, mockShard);
+ addCar(newDataTree, "optima");
+ addCar(newDataTree, "murano");
+
+ shardDataTree.applySnapshot(newDataTree.takeStateSnapshot());
+
+ Map<YangInstanceIdentifier, ModificationType> expChanges = Maps.newHashMap();
+ expChanges.put(CarsModel.newCarPath("optima"), ModificationType.WRITE);
+ expChanges.put(CarsModel.newCarPath("murano"), ModificationType.WRITE);
+ expChanges.put(CarsModel.newCarPath("sportage"), ModificationType.DELETE);
+ verifyOnDataTreeChanged(listener, dtc -> {
+ ModificationType expType = expChanges.remove(dtc.getRootPath());
+ assertNotNull("Got unexpected change for " + dtc.getRootPath(), expType);
+ assertEquals("getModificationType", expType, dtc.getRootNode().getModificationType());
+ });
+
+ if (!expChanges.isEmpty()) {
+ fail("Missing change notifications: " + expChanges);
+ }
+ }
+
+ @Test
+ public void testPipelinedTransactionsWithCoordinatedCommits() throws Exception {
+ final ShardDataTreeCohort cohort1 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.BASE_PATH, CarsModel.emptyContainer()));
+
+ final ShardDataTreeCohort cohort2 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()));
+
+ NormalizedNode<?, ?> peopleNode = PeopleModel.create();
+ final ShardDataTreeCohort cohort3 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(PeopleModel.BASE_PATH, peopleNode));
+
+ YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
+ MapEntryNode carNode = CarsModel.newCarEntry("optima", new BigInteger("100"));
+ final ShardDataTreeCohort cohort4 = newShardDataTreeCohort(snapshot -> snapshot.write(carPath, carNode));
+
+ immediateCanCommit(cohort1);
+ final FutureCallback<Void> canCommitCallback2 = coordinatedCanCommit(cohort2);
+ final FutureCallback<Void> canCommitCallback3 = coordinatedCanCommit(cohort3);
+ final FutureCallback<Void> canCommitCallback4 = coordinatedCanCommit(cohort4);
+
+ final FutureCallback<DataTreeCandidate> preCommitCallback1 = coordinatedPreCommit(cohort1);
+ verify(preCommitCallback1).onSuccess(cohort1.getCandidate());
+ verify(canCommitCallback2).onSuccess(null);
+
+ final FutureCallback<DataTreeCandidate> preCommitCallback2 = coordinatedPreCommit(cohort2);
+ verify(preCommitCallback2).onSuccess(cohort2.getCandidate());
+ verify(canCommitCallback3).onSuccess(null);
+
+ final FutureCallback<DataTreeCandidate> preCommitCallback3 = coordinatedPreCommit(cohort3);
+ verify(preCommitCallback3).onSuccess(cohort3.getCandidate());
+ verify(canCommitCallback4).onSuccess(null);
+
+ final FutureCallback<DataTreeCandidate> preCommitCallback4 = coordinatedPreCommit(cohort4);
+ verify(preCommitCallback4).onSuccess(cohort4.getCandidate());
+
+ final FutureCallback<UnsignedLong> commitCallback2 = coordinatedCommit(cohort2);
+ verify(mockShard, never()).persistPayload(eq(cohort1.getIdentifier()), any(CommitTransactionPayload.class),
+ anyBoolean());
+ verifyNoMoreInteractions(commitCallback2);
+
+ final FutureCallback<UnsignedLong> commitCallback4 = coordinatedCommit(cohort4);
+ verify(mockShard, never()).persistPayload(eq(cohort4.getIdentifier()), any(CommitTransactionPayload.class),
+ anyBoolean());
+ verifyNoMoreInteractions(commitCallback4);
+
+ final FutureCallback<UnsignedLong> commitCallback1 = coordinatedCommit(cohort1);
+ InOrder inOrder = inOrder(mockShard);
+ inOrder.verify(mockShard).persistPayload(eq(cohort1.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(true));
+ inOrder.verify(mockShard).persistPayload(eq(cohort2.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(false));
+ verifyNoMoreInteractions(commitCallback1);
+ verifyNoMoreInteractions(commitCallback2);
+
+ final FutureCallback<UnsignedLong> commitCallback3 = coordinatedCommit(cohort3);
+ inOrder = inOrder(mockShard);
+ inOrder.verify(mockShard).persistPayload(eq(cohort3.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(true));
+ inOrder.verify(mockShard).persistPayload(eq(cohort4.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(false));
+ verifyNoMoreInteractions(commitCallback3);
+ verifyNoMoreInteractions(commitCallback4);
+
+ final ShardDataTreeCohort cohort5 = newShardDataTreeCohort(snapshot ->
+ snapshot.merge(CarsModel.BASE_PATH, CarsModel.emptyContainer()));
+ final FutureCallback<Void> canCommitCallback5 = coordinatedCanCommit(cohort5);
+
+ // The payload instance doesn't matter - it just needs to be of type CommitTransactionPayload.
+ CommitTransactionPayload mockPayload = CommitTransactionPayload.create(nextTransactionId(),
+ cohort1.getCandidate());
+ shardDataTree.applyReplicatedPayload(cohort1.getIdentifier(), mockPayload);
+ shardDataTree.applyReplicatedPayload(cohort2.getIdentifier(), mockPayload);
+ shardDataTree.applyReplicatedPayload(cohort3.getIdentifier(), mockPayload);
+ shardDataTree.applyReplicatedPayload(cohort4.getIdentifier(), mockPayload);
+
+ inOrder = inOrder(commitCallback1, commitCallback2, commitCallback3, commitCallback4);
+ inOrder.verify(commitCallback1).onSuccess(any(UnsignedLong.class));
+ inOrder.verify(commitCallback2).onSuccess(any(UnsignedLong.class));
+ inOrder.verify(commitCallback3).onSuccess(any(UnsignedLong.class));
+ inOrder.verify(commitCallback4).onSuccess(any(UnsignedLong.class));
+
+ verify(canCommitCallback5).onSuccess(null);
+
+ final DataTreeSnapshot snapshot =
+ shardDataTree.newReadOnlyTransaction(nextTransactionId()).getSnapshot();
+ Optional<NormalizedNode<?, ?>> optional = snapshot.readNode(carPath);
+ assertEquals("Car node present", true, optional.isPresent());
+ assertEquals("Car node", carNode, optional.get());
+
+ optional = snapshot.readNode(PeopleModel.BASE_PATH);
+ assertEquals("People node present", true, optional.isPresent());
+ assertEquals("People node", peopleNode, optional.get());
+ }
+
+ @Test
+ public void testPipelinedTransactionsWithImmediateCommits() throws Exception {
+ final ShardDataTreeCohort cohort1 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.BASE_PATH, CarsModel.emptyContainer()));
+
+ final ShardDataTreeCohort cohort2 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()));
+
+ YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
+ MapEntryNode carNode = CarsModel.newCarEntry("optima", new BigInteger("100"));
+ final ShardDataTreeCohort cohort3 = newShardDataTreeCohort(snapshot -> snapshot.write(carPath, carNode));
+
+ final FutureCallback<UnsignedLong> commitCallback2 = immediate3PhaseCommit(cohort2);
+ final FutureCallback<UnsignedLong> commitCallback3 = immediate3PhaseCommit(cohort3);
+ final FutureCallback<UnsignedLong> commitCallback1 = immediate3PhaseCommit(cohort1);
+
+ InOrder inOrder = inOrder(mockShard);
+ inOrder.verify(mockShard).persistPayload(eq(cohort1.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(true));
+ inOrder.verify(mockShard).persistPayload(eq(cohort2.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(true));
+ inOrder.verify(mockShard).persistPayload(eq(cohort3.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(false));
+ // The payload instance doesn't matter - it just needs to be of type CommitTransactionPayload.
+ CommitTransactionPayload mockPayload = CommitTransactionPayload.create(nextTransactionId(),
+ cohort1.getCandidate());
+ shardDataTree.applyReplicatedPayload(cohort1.getIdentifier(), mockPayload);
+ shardDataTree.applyReplicatedPayload(cohort2.getIdentifier(), mockPayload);
+ shardDataTree.applyReplicatedPayload(cohort3.getIdentifier(), mockPayload);
+
+ inOrder = inOrder(commitCallback1, commitCallback2, commitCallback3);
+ inOrder.verify(commitCallback1).onSuccess(any(UnsignedLong.class));
+ inOrder.verify(commitCallback2).onSuccess(any(UnsignedLong.class));
+ inOrder.verify(commitCallback3).onSuccess(any(UnsignedLong.class));
+
+ final DataTreeSnapshot snapshot =
+ shardDataTree.newReadOnlyTransaction(nextTransactionId()).getSnapshot();
+ Optional<NormalizedNode<?, ?>> optional = snapshot.readNode(carPath);
+ assertEquals("Car node present", true, optional.isPresent());
+ assertEquals("Car node", carNode, optional.get());
+ }
+
+ @Test
+ public void testPipelinedTransactionsWithImmediateReplication() throws Exception {
+ immediatePayloadReplication(shardDataTree, mockShard);
+
+ final ShardDataTreeCohort cohort1 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.BASE_PATH, CarsModel.emptyContainer()));
+
+ final ShardDataTreeCohort cohort2 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()));
+
+ YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
+ MapEntryNode carNode = CarsModel.newCarEntry("optima", new BigInteger("100"));
+ final ShardDataTreeCohort cohort3 = newShardDataTreeCohort(snapshot -> snapshot.write(carPath, carNode));
+
+ final FutureCallback<UnsignedLong> commitCallback1 = immediate3PhaseCommit(cohort1);
+ final FutureCallback<UnsignedLong> commitCallback2 = immediate3PhaseCommit(cohort2);
+ final FutureCallback<UnsignedLong> commitCallback3 = immediate3PhaseCommit(cohort3);
+
+ InOrder inOrder = inOrder(commitCallback1, commitCallback2, commitCallback3);
+ inOrder.verify(commitCallback1).onSuccess(any(UnsignedLong.class));
+ inOrder.verify(commitCallback2).onSuccess(any(UnsignedLong.class));
+ inOrder.verify(commitCallback3).onSuccess(any(UnsignedLong.class));
+
+ final DataTreeSnapshot snapshot =
+ shardDataTree.newReadOnlyTransaction(nextTransactionId()).getSnapshot();
+ Optional<NormalizedNode<?, ?>> optional = snapshot.readNode(CarsModel.BASE_PATH);
+ assertEquals("Car node present", true, optional.isPresent());
+ }
+
+ @SuppressWarnings("unchecked")
+ @Test
+ public void testAbortWithPendingCommits() throws Exception {
+ final ShardDataTreeCohort cohort1 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.BASE_PATH, CarsModel.emptyContainer()));
+
+ final ShardDataTreeCohort cohort2 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(PeopleModel.BASE_PATH, PeopleModel.create()));
+
+ final ShardDataTreeCohort cohort3 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()));
+
+ YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
+ MapEntryNode carNode = CarsModel.newCarEntry("optima", new BigInteger("100"));
+ final ShardDataTreeCohort cohort4 = newShardDataTreeCohort(snapshot -> snapshot.write(carPath, carNode));
+
+ coordinatedCanCommit(cohort2);
+ immediateCanCommit(cohort1);
+ coordinatedCanCommit(cohort3);
+ coordinatedCanCommit(cohort4);
+
+ coordinatedPreCommit(cohort1);
+ coordinatedPreCommit(cohort2);
+ coordinatedPreCommit(cohort3);
+
+ FutureCallback<Void> mockAbortCallback = mock(FutureCallback.class);
+ doNothing().when(mockAbortCallback).onSuccess(null);
+ cohort2.abort(mockAbortCallback);
+ verify(mockAbortCallback).onSuccess(null);
+
+ coordinatedPreCommit(cohort4);
+ coordinatedCommit(cohort1);
+ coordinatedCommit(cohort3);
+ coordinatedCommit(cohort4);
+
+ InOrder inOrder = inOrder(mockShard);
+ inOrder.verify(mockShard).persistPayload(eq(cohort1.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(false));
+ inOrder.verify(mockShard).persistPayload(eq(cohort3.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(false));
+ inOrder.verify(mockShard).persistPayload(eq(cohort4.getIdentifier()), any(CommitTransactionPayload.class),
+ eq(false));
+
+ // The payload instance doesn't matter - it just needs to be of type CommitTransactionPayload.
+ CommitTransactionPayload mockPayload = CommitTransactionPayload.create(nextTransactionId(),
+ cohort1.getCandidate());
+ shardDataTree.applyReplicatedPayload(cohort1.getIdentifier(), mockPayload);
+ shardDataTree.applyReplicatedPayload(cohort3.getIdentifier(), mockPayload);
+ shardDataTree.applyReplicatedPayload(cohort4.getIdentifier(), mockPayload);
+
+ final DataTreeSnapshot snapshot =
+ shardDataTree.newReadOnlyTransaction(nextTransactionId()).getSnapshot();
+ Optional<NormalizedNode<?, ?>> optional = snapshot.readNode(carPath);
+ assertEquals("Car node present", true, optional.isPresent());
+ assertEquals("Car node", carNode, optional.get());
}
-}
\ No newline at end of file
+ @SuppressWarnings("unchecked")
+ @Test
+ public void testAbortWithFailedRebase() throws Exception {
+ immediatePayloadReplication(shardDataTree, mockShard);
+
+ final ShardDataTreeCohort cohort1 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.BASE_PATH, CarsModel.emptyContainer()));
+
+ final ShardDataTreeCohort cohort2 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()));
+
+ NormalizedNode<?, ?> peopleNode = PeopleModel.create();
+ final ShardDataTreeCohort cohort3 = newShardDataTreeCohort(snapshot ->
+ snapshot.write(PeopleModel.BASE_PATH, peopleNode));
+
+ immediateCanCommit(cohort1);
+ FutureCallback<Void> canCommitCallback2 = coordinatedCanCommit(cohort2);
+
+ coordinatedPreCommit(cohort1);
+ verify(canCommitCallback2).onSuccess(null);
+
+ FutureCallback<Void> mockAbortCallback = mock(FutureCallback.class);
+ doNothing().when(mockAbortCallback).onSuccess(null);
+ cohort1.abort(mockAbortCallback);
+ verify(mockAbortCallback).onSuccess(null);
+
+ FutureCallback<DataTreeCandidate> preCommitCallback2 = coordinatedPreCommit(cohort2);
+ verify(preCommitCallback2).onFailure(any(Throwable.class));
+
+ immediateCanCommit(cohort3);
+ immediatePreCommit(cohort3);
+ immediateCommit(cohort3);
+
+ final DataTreeSnapshot snapshot =
+ shardDataTree.newReadOnlyTransaction(nextTransactionId()).getSnapshot();
+ Optional<NormalizedNode<?, ?>> optional = snapshot.readNode(PeopleModel.BASE_PATH);
+ assertEquals("People node present", true, optional.isPresent());
+ assertEquals("People node", peopleNode, optional.get());
+ }
+
+ private ShardDataTreeCohort newShardDataTreeCohort(final DataTreeOperation operation) {
+ final ReadWriteShardDataTreeTransaction transaction =
+ shardDataTree.newReadWriteTransaction(nextTransactionId());
+ final DataTreeModification snapshot = transaction.getSnapshot();
+ operation.execute(snapshot);
+ return shardDataTree.finishTransaction(transaction);
+ }
+
+ @SuppressWarnings({ "rawtypes", "unchecked" })
+ private static void verifyOnDataTreeChanged(final DOMDataTreeChangeListener listener,
+ final Consumer<DataTreeCandidate> callback) {
+ ArgumentCaptor<Collection> changes = ArgumentCaptor.forClass(Collection.class);
+ verify(listener, atLeastOnce()).onDataTreeChanged(changes.capture());
+ for (Collection list : changes.getAllValues()) {
+ for (Object dtc : list) {
+ callback.accept((DataTreeCandidate)dtc);
+ }
+ }
+
+ reset(listener);
+ }
+
+ private static NormalizedNode<?, ?> getCars(final ShardDataTree shardDataTree) {
+ final ReadOnlyShardDataTreeTransaction readOnlyShardDataTreeTransaction =
+ shardDataTree.newReadOnlyTransaction(nextTransactionId());
+ final DataTreeSnapshot snapshot1 = readOnlyShardDataTreeTransaction.getSnapshot();
+
+ final Optional<NormalizedNode<?, ?>> optional = snapshot1.readNode(CarsModel.BASE_PATH);
+
+ assertEquals(true, optional.isPresent());
+
+ return optional.get();
+ }
+
+ private static DataTreeCandidate addCar(final ShardDataTree shardDataTree)
+ throws ExecutionException, InterruptedException {
+ return addCar(shardDataTree, "altima");
+ }
+
+ private static DataTreeCandidate addCar(final ShardDataTree shardDataTree, final String name)
+ throws ExecutionException, InterruptedException {
+ return doTransaction(shardDataTree, snapshot -> {
+ snapshot.merge(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+ snapshot.merge(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
+ snapshot.write(CarsModel.newCarPath(name), CarsModel.newCarEntry(name, new BigInteger("100")));
+ });
+ }
+
+ private static DataTreeCandidate removeCar(final ShardDataTree shardDataTree)
+ throws ExecutionException, InterruptedException {
+ return doTransaction(shardDataTree, snapshot -> snapshot.delete(CarsModel.newCarPath("altima")));
+ }
+
+ @FunctionalInterface
+ private interface DataTreeOperation {
+ void execute(DataTreeModification snapshot);
+ }
+
+ private static DataTreeCandidate doTransaction(final ShardDataTree shardDataTree,
+ final DataTreeOperation operation) throws ExecutionException, InterruptedException {
+ final ReadWriteShardDataTreeTransaction transaction =
+ shardDataTree.newReadWriteTransaction(nextTransactionId());
+ final DataTreeModification snapshot = transaction.getSnapshot();
+ operation.execute(snapshot);
+ final ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
+
+ immediateCanCommit(cohort);
+ immediatePreCommit(cohort);
+ final DataTreeCandidate candidate = cohort.getCandidate();
+ immediateCommit(cohort);
+
+ return candidate;
+ }
+
+ private static DataTreeCandidate applyCandidates(final ShardDataTree shardDataTree,
+ final List<DataTreeCandidate> candidates) throws ExecutionException, InterruptedException {
+ final ReadWriteShardDataTreeTransaction transaction =
+ shardDataTree.newReadWriteTransaction(nextTransactionId());
+ final DataTreeModification snapshot = transaction.getSnapshot();
+ for (final DataTreeCandidate candidateTip : candidates) {
+ DataTreeCandidates.applyToModification(snapshot, candidateTip);
+ }
+ final ShardDataTreeCohort cohort = shardDataTree.finishTransaction(transaction);
+
+ immediateCanCommit(cohort);
+ immediatePreCommit(cohort);
+ final DataTreeCandidate candidate = cohort.getCandidate();
+ immediateCommit(cohort);
+
+ return candidate;
+ }
+}