opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/databroker/actors/dds/AbstractProxyTransactionTest.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.cluster.databroker.actors.dds;
   9
  10 import static org.hamcrest.CoreMatchers.allOf;
  11 import static org.hamcrest.CoreMatchers.hasItem;
  12 import static org.hamcrest.MatcherAssert.assertThat;
  13 import static org.hamcrest.core.Is.isA;
  14 import static org.junit.Assert.assertEquals;
  15 import static org.junit.Assert.assertNotNull;
  16 import static org.junit.Assert.assertTrue;
  17 import static org.mockito.Mockito.doReturn;
  18 import static org.mockito.Mockito.mock;
  19 import static org.mockito.Mockito.verify;
  20 import static org.mockito.Mockito.when;
  21
  22 import akka.actor.ActorSystem;
  23 import akka.testkit.TestProbe;
  24 import akka.testkit.javadsl.TestKit;
  25 import com.google.common.base.Ticker;
  26 import com.google.common.primitives.UnsignedLong;
  27 import java.util.ArrayList;
  28 import java.util.List;
  29 import java.util.Optional;
  30 import java.util.function.BiFunction;
  31 import java.util.function.Consumer;
  32 import org.hamcrest.BaseMatcher;
  33 import org.hamcrest.Description;
  34 import org.junit.After;
  35 import org.junit.Before;
  36 import org.junit.Test;
  37 import org.junit.runner.RunWith;
  38 import org.mockito.Mock;
  39 import org.mockito.junit.MockitoJUnitRunner;
  40 import org.opendaylight.controller.cluster.access.ABIVersion;
  41 import org.opendaylight.controller.cluster.access.client.AbstractClientConnection;
  42 import org.opendaylight.controller.cluster.access.client.AccessClientUtil;
  43 import org.opendaylight.controller.cluster.access.client.ClientActorContext;
  44 import org.opendaylight.controller.cluster.access.client.ConnectionEntry;
  45 import org.opendaylight.controller.cluster.access.commands.AbortLocalTransactionRequest;
  46 import org.opendaylight.controller.cluster.access.commands.ExistsTransactionRequest;
  47 import org.opendaylight.controller.cluster.access.commands.ModifyTransactionRequest;
  48 import org.opendaylight.controller.cluster.access.commands.PersistenceProtocol;
  49 import org.opendaylight.controller.cluster.access.commands.ReadTransactionRequest;
  50 import org.opendaylight.controller.cluster.access.commands.TransactionAbortRequest;
  51 import org.opendaylight.controller.cluster.access.commands.TransactionAbortSuccess;
  52 import org.opendaylight.controller.cluster.access.commands.TransactionDelete;
  53 import org.opendaylight.controller.cluster.access.commands.TransactionMerge;
  54 import org.opendaylight.controller.cluster.access.commands.TransactionModification;
  55 import org.opendaylight.controller.cluster.access.commands.TransactionPurgeRequest;
  56 import org.opendaylight.controller.cluster.access.commands.TransactionRequest;
  57 import org.opendaylight.controller.cluster.access.commands.TransactionSuccess;
  58 import org.opendaylight.controller.cluster.access.commands.TransactionWrite;
  59 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
  60 import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
  61 import org.opendaylight.controller.cluster.access.concepts.RequestEnvelope;
  62 import org.opendaylight.controller.cluster.access.concepts.Response;
  63 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
  64 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
  65 import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
  66 import org.opendaylight.yangtools.yang.common.Empty;
  67 import org.opendaylight.yangtools.yang.common.QName;
  68 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  69 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  70 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
  71 import org.opendaylight.yangtools.yang.data.tree.api.CursorAwareDataTreeModification;
  72 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeSnapshot;
  73
  74 @RunWith(MockitoJUnitRunner.StrictStubs.class)
  75 public abstract class AbstractProxyTransactionTest<T extends AbstractProxyTransaction> {
  76     protected static final TransactionIdentifier TRANSACTION_ID = TestUtils.TRANSACTION_ID;
  77     private static final ClientIdentifier CLIENT_ID = TestUtils.CLIENT_ID;
  78     private static final LocalHistoryIdentifier HISTORY_ID = TestUtils.HISTORY_ID;
  79
  80     protected static final YangInstanceIdentifier PATH_1 = YangInstanceIdentifier.builder()
  81             .node(QName.create("ns-1", "node-1"))
  82             .build();
  83     protected static final YangInstanceIdentifier PATH_2 = YangInstanceIdentifier.builder()
  84             .node(QName.create("ns-1", "node-2"))
  85             .build();
  86     protected static final YangInstanceIdentifier PATH_3 = YangInstanceIdentifier.builder()
  87             .node(QName.create("ns-1", "node-3"))
  88             .build();
  89     protected static final ContainerNode DATA_1 = Builders.containerBuilder()
  90             .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(PATH_1.getLastPathArgument().getNodeType()))
  91             .build();
  92     protected static final ContainerNode DATA_2 = Builders.containerBuilder()
  93             .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(PATH_2.getLastPathArgument().getNodeType()))
  94             .build();
  95     protected static final String PERSISTENCE_ID = "per-1";
  96
  97     @Mock
  98     private DataTreeSnapshot snapshot;
  99     @Mock
 100     private AbstractClientHistory history;
 101     @Mock
 102     private DatastoreContext datastoreContext;
 103     @Mock
 104     private ActorUtils actorUtils;
 105
 106     private ActorSystem system;
 107     private TestProbe backendProbe;
 108     private TestProbe clientContextProbe;
 109     private TransactionTester<T> tester;
 110     protected ClientActorContext context;
 111     protected T transaction;
 112
 113     @Before
 114     public void setUp() {
 115         system = ActorSystem.apply();
 116         clientContextProbe = new TestProbe(system, "clientContext");
 117         backendProbe = new TestProbe(system, "backend");
 118         context = AccessClientUtil.createClientActorContext(system, clientContextProbe.ref(), CLIENT_ID,
 119                 PERSISTENCE_ID);
 120         final ShardBackendInfo backend = new ShardBackendInfo(backendProbe.ref(), 0L, ABIVersion.current(),
 121                 "default", UnsignedLong.ZERO, Optional.empty(), 3);
 122         final AbstractClientConnection<ShardBackendInfo> connection =
 123                 AccessClientUtil.createConnectedConnection(context, 0L, backend);
 124
 125         final ProxyHistory parent = ProxyHistory.createClient(history, connection, HISTORY_ID);
 126         transaction = createTransaction(parent, TestUtils.TRANSACTION_ID, snapshot);
 127         tester = new TransactionTester<>(transaction, connection, backendProbe);
 128     }
 129
 130     protected final void mockForRemote() {
 131         doReturn(1000).when(datastoreContext).getShardBatchedModificationCount();
 132         doReturn(datastoreContext).when(actorUtils).getDatastoreContext();
 133         doReturn(actorUtils).when(history).actorUtils();
 134     }
 135
 136     @SuppressWarnings("checkstyle:hiddenField")
 137     protected abstract T createTransaction(ProxyHistory parent, TransactionIdentifier id, DataTreeSnapshot snapshot);
 138
 139     @After
 140     public void tearDown() {
 141         TestKit.shutdownActorSystem(system);
 142     }
 143
 144     @Test
 145     public abstract void testExists() throws Exception;
 146
 147     @Test
 148     public abstract void testRead() throws Exception;
 149
 150     @Test
 151     public abstract void testWrite();
 152
 153     @Test
 154     public abstract void testMerge();
 155
 156     @Test
 157     public abstract void testDelete();
 158
 159     @Test
 160     public abstract void testDirectCommit() throws Exception;
 161
 162     @Test
 163     public abstract void testCanCommit();
 164
 165     @Test
 166     public abstract void testPreCommit();
 167
 168     @Test
 169     public abstract void testDoCommit();
 170
 171     @Test
 172     public abstract void testForwardToRemoteAbort();
 173
 174     @Test
 175     public abstract void testForwardToRemoteCommit();
 176
 177     @Test
 178     public void testAbortVotingFuture() {
 179         testRequestResponse(f -> transaction.abort(f), TransactionAbortRequest.class, TransactionAbortSuccess::new);
 180     }
 181
 182     @Test
 183     public void testForwardToRemotePurge() {
 184         final TestProbe probe = new TestProbe(system);
 185         final TransactionPurgeRequest request = new TransactionPurgeRequest(TRANSACTION_ID, 0L, probe.ref());
 186         testForwardToRemote(request, TransactionPurgeRequest.class);
 187     }
 188
 189     @Test
 190     public void testReplayMessages() {
 191         final TestProbe probe = new TestProbe(system);
 192         final List<ConnectionEntry> entries = new ArrayList<>();
 193         final Consumer<Response<?, ?>> callback = createCallbackMock();
 194         final ReadTransactionRequest request1 =
 195                 new ReadTransactionRequest(TRANSACTION_ID, 2L, probe.ref(), PATH_2, true);
 196         final ExistsTransactionRequest request2 =
 197                 new ExistsTransactionRequest(TRANSACTION_ID, 3L, probe.ref(), PATH_3, true);
 198         entries.add(AccessClientUtil.createConnectionEntry(request1, callback, 0L));
 199         entries.add(AccessClientUtil.createConnectionEntry(request2, callback, 0L));
 200         final TransactionTester<RemoteProxyTransaction> successor = createRemoteProxyTransactionTester();
 201         final AbortLocalTransactionRequest successful1 = new AbortLocalTransactionRequest(TRANSACTION_ID, probe.ref());
 202         transaction.recordSuccessfulRequest(successful1);
 203         final ReadTransactionRequest successful2 =
 204                 new ReadTransactionRequest(TRANSACTION_ID, 1L, probe.ref(), PATH_1, true);
 205         transaction.recordSuccessfulRequest(successful2);
 206         transaction.startReconnect();
 207
 208         final ProxyHistory mockSuccessor = mock(ProxyHistory.class);
 209         when(mockSuccessor.createTransactionProxy(TRANSACTION_ID, transaction.isSnapshotOnly(), false))
 210             .thenReturn(successor.getTransaction());
 211
 212         transaction.replayMessages(mockSuccessor, entries);
 213
 214         final ModifyTransactionRequest transformed = successor.expectTransactionRequest(ModifyTransactionRequest.class);
 215         assertNotNull(transformed);
 216         assertEquals(successful1.getSequence(), transformed.getSequence());
 217         assertEquals(Optional.of(PersistenceProtocol.ABORT), transformed.getPersistenceProtocol());
 218
 219         ReadTransactionRequest tmpRead = successor.expectTransactionRequest(ReadTransactionRequest.class);
 220         assertNotNull(tmpRead);
 221         assertEquals(successful2.getTarget(), tmpRead.getTarget());
 222         assertEquals(successful2.getSequence(), tmpRead.getSequence());
 223         assertEquals(successful2.getPath(), tmpRead.getPath());
 224         assertEquals(successor.localActor(), tmpRead.getReplyTo());
 225
 226         tmpRead = successor.expectTransactionRequest(ReadTransactionRequest.class);
 227         assertNotNull(tmpRead);
 228         assertEquals(request1.getTarget(), tmpRead.getTarget());
 229         assertEquals(request1.getSequence(), tmpRead.getSequence());
 230         assertEquals(request1.getPath(), tmpRead.getPath());
 231         assertEquals(successor.localActor(), tmpRead.getReplyTo());
 232
 233         final ExistsTransactionRequest tmpExist = successor.expectTransactionRequest(ExistsTransactionRequest.class);
 234         assertNotNull(tmpExist);
 235         assertEquals(request2.getTarget(), tmpExist.getTarget());
 236         assertEquals(request2.getSequence(), tmpExist.getSequence());
 237         assertEquals(request2.getPath(), tmpExist.getPath());
 238         assertEquals(successor.localActor(), tmpExist.getReplyTo());
 239     }
 240
 241     protected void checkModifications(final ModifyTransactionRequest modifyRequest) {
 242         final List<TransactionModification> modifications = modifyRequest.getModifications();
 243         assertEquals(3, modifications.size());
 244         assertThat(modifications, hasItem(allOf(isA(TransactionWrite.class), hasPath(PATH_1))));
 245         assertThat(modifications, hasItem(allOf(isA(TransactionMerge.class), hasPath(PATH_2))));
 246         assertThat(modifications, hasItem(allOf(isA(TransactionDelete.class), hasPath(PATH_3))));
 247     }
 248
 249     @SuppressWarnings("checkstyle:hiddenField")
 250     protected <R extends TransactionRequest<R>> void testRequestResponse(final Consumer<VotingFuture<Empty>> consumer,
 251             final Class<R> expectedRequest,
 252             final BiFunction<TransactionIdentifier, Long, TransactionSuccess<?>> replySupplier) {
 253         final TransactionTester<T> tester = getTester();
 254         final VotingFuture<Empty> future = mock(VotingFuture.class);
 255         transaction.seal();
 256         consumer.accept(future);
 257         final TransactionRequest<?> req = tester.expectTransactionRequest(expectedRequest);
 258         tester.replySuccess(replySupplier.apply(TRANSACTION_ID, req.getSequence()));
 259         verify(future).voteYes();
 260     }
 261
 262     protected <R extends TransactionRequest<R>> R testHandleForwardedRemoteRequest(final R request) {
 263         transaction.handleReplayedRemoteRequest(request, createCallbackMock(), Ticker.systemTicker().read());
 264         final RequestEnvelope envelope = backendProbe.expectMsgClass(RequestEnvelope.class);
 265         final R received = (R) envelope.getMessage();
 266         assertTrue(received.getClass().equals(request.getClass()));
 267         assertEquals(TRANSACTION_ID, received.getTarget());
 268         assertEquals(clientContextProbe.ref(), received.getReplyTo());
 269         return received;
 270     }
 271
 272     protected <R extends TransactionRequest<R>> R testForwardToRemote(final TransactionRequest<?> toForward,
 273             final Class<R> expectedMessageClass) {
 274         final Consumer<Response<?, ?>> callback = createCallbackMock();
 275         final TransactionTester<RemoteProxyTransaction> transactionTester = createRemoteProxyTransactionTester();
 276         final RemoteProxyTransaction successor = transactionTester.getTransaction();
 277         transaction.forwardToRemote(successor, toForward, callback);
 278         return transactionTester.expectTransactionRequest(expectedMessageClass);
 279     }
 280
 281     protected TransactionTester<T> getTester() {
 282         return tester;
 283     }
 284
 285     @SuppressWarnings("unchecked")
 286     protected static <T> Consumer<T> createCallbackMock() {
 287         return mock(Consumer.class);
 288     }
 289
 290     protected static BaseMatcher<TransactionModification> hasPath(final YangInstanceIdentifier path) {
 291         return new BaseMatcher<>() {
 292
 293             @Override
 294             public boolean matches(final Object item) {
 295                 return path.equals(((TransactionModification) item).getPath());
 296             }
 297
 298             @Override
 299             public void describeTo(final Description description) {
 300                 description.appendValue(path);
 301             }
 302
 303             @Override
 304             public void describeMismatch(final Object item, final Description description) {
 305                 final TransactionModification modification = (TransactionModification) item;
 306                 description.appendText("was ").appendValue(modification.getPath());
 307             }
 308         };
 309     }
 310
 311     protected TestProbe createProbe() {
 312         return new TestProbe(system);
 313     }
 314
 315     @SuppressWarnings("checkstyle:hiddenField")
 316     protected TransactionTester<LocalReadWriteProxyTransaction> createLocalProxy() {
 317         final TestProbe backendProbe = new TestProbe(system, "backend2");
 318         final TestProbe clientContextProbe = new TestProbe(system, "clientContext2");
 319         final ClientActorContext context =
 320                 AccessClientUtil.createClientActorContext(system, clientContextProbe.ref(), CLIENT_ID, PERSISTENCE_ID);
 321         final ShardBackendInfo backend = new ShardBackendInfo(backendProbe.ref(), 0L, ABIVersion.current(),
 322                 "default", UnsignedLong.ZERO, Optional.empty(), 3);
 323         final AbstractClientConnection<ShardBackendInfo> connection =
 324                 AccessClientUtil.createConnectedConnection(context, 0L, backend);
 325         final AbstractClientHistory history = mock(AbstractClientHistory.class);
 326         final ProxyHistory parent = ProxyHistory.createClient(history, connection, HISTORY_ID);
 327         final DataTreeSnapshot snapshot = mock(DataTreeSnapshot.class);
 328         when(snapshot.newModification()).thenReturn(mock(CursorAwareDataTreeModification.class));
 329         final LocalReadWriteProxyTransaction tx =
 330                 new LocalReadWriteProxyTransaction(parent, TestUtils.TRANSACTION_ID, snapshot);
 331         return new TransactionTester<>(tx, connection, backendProbe);
 332     }
 333
 334     @SuppressWarnings("checkstyle:hiddenField")
 335     protected TransactionTester<RemoteProxyTransaction> createRemoteProxyTransactionTester() {
 336         final TestProbe clientContextProbe = new TestProbe(system, "remoteClientContext");
 337         final TestProbe backendProbe = new TestProbe(system, "remoteBackend");
 338         final AbstractClientHistory history = mock(AbstractClientHistory.class);
 339         doReturn(1000).when(datastoreContext).getShardBatchedModificationCount();
 340         doReturn(datastoreContext).when(actorUtils).getDatastoreContext();
 341         doReturn(actorUtils).when(history).actorUtils();
 342
 343         final ClientActorContext context =
 344                 AccessClientUtil.createClientActorContext(system, clientContextProbe.ref(), CLIENT_ID, PERSISTENCE_ID);
 345         final ShardBackendInfo backend = new ShardBackendInfo(backendProbe.ref(), 0L, ABIVersion.current(),
 346                 "default", UnsignedLong.ZERO, Optional.empty(), 5);
 347         final AbstractClientConnection<ShardBackendInfo> connection =
 348                 AccessClientUtil.createConnectedConnection(context, 0L, backend);
 349         final ProxyHistory proxyHistory = ProxyHistory.createClient(history, connection, HISTORY_ID);
 350
 351         final RemoteProxyTransaction transaction =
 352                 new RemoteProxyTransaction(proxyHistory, TRANSACTION_ID, false, false, false);
 353         return new TransactionTester<>(transaction, connection, backendProbe);
 354     }
 355 }