2 * Copyright (c) 2017 Pantheon Technologies s.r.o. and others. All rights reserved.
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
8 package org.opendaylight.controller.cluster.databroker.actors.dds;
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;
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;
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;
80 protected static final YangInstanceIdentifier PATH_1 = YangInstanceIdentifier.builder()
81 .node(QName.create("ns-1", "node-1"))
83 protected static final YangInstanceIdentifier PATH_2 = YangInstanceIdentifier.builder()
84 .node(QName.create("ns-1", "node-2"))
86 protected static final YangInstanceIdentifier PATH_3 = YangInstanceIdentifier.builder()
87 .node(QName.create("ns-1", "node-3"))
89 protected static final ContainerNode DATA_1 = Builders.containerBuilder()
90 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(PATH_1.getLastPathArgument().getNodeType()))
92 protected static final ContainerNode DATA_2 = Builders.containerBuilder()
93 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(PATH_2.getLastPathArgument().getNodeType()))
95 protected static final String PERSISTENCE_ID = "per-1";
98 private DataTreeSnapshot snapshot;
100 private AbstractClientHistory history;
102 private DatastoreContext datastoreContext;
104 private ActorUtils actorUtils;
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;
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,
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);
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);
130 protected final void mockForRemote() {
131 doReturn(1000).when(datastoreContext).getShardBatchedModificationCount();
132 doReturn(datastoreContext).when(actorUtils).getDatastoreContext();
133 doReturn(actorUtils).when(history).actorUtils();
136 @SuppressWarnings("checkstyle:hiddenField")
137 protected abstract T createTransaction(ProxyHistory parent, TransactionIdentifier id, DataTreeSnapshot snapshot);
140 public void tearDown() {
141 TestKit.shutdownActorSystem(system);
145 public abstract void testExists() throws Exception;
148 public abstract void testRead() throws Exception;
151 public abstract void testWrite();
154 public abstract void testMerge();
157 public abstract void testDelete();
160 public abstract void testDirectCommit() throws Exception;
163 public abstract void testCanCommit();
166 public abstract void testPreCommit();
169 public abstract void testDoCommit();
172 public abstract void testForwardToRemoteAbort();
175 public abstract void testForwardToRemoteCommit();
178 public void testAbortVotingFuture() {
179 testRequestResponse(f -> transaction.abort(f), TransactionAbortRequest.class, TransactionAbortSuccess::new);
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);
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();
208 final ProxyHistory mockSuccessor = mock(ProxyHistory.class);
209 when(mockSuccessor.createTransactionProxy(TRANSACTION_ID, transaction.isSnapshotOnly(), false))
210 .thenReturn(successor.getTransaction());
212 transaction.replayMessages(mockSuccessor, entries);
214 final ModifyTransactionRequest transformed = successor.expectTransactionRequest(ModifyTransactionRequest.class);
215 assertNotNull(transformed);
216 assertEquals(successful1.getSequence(), transformed.getSequence());
217 assertTrue(transformed.getPersistenceProtocol().isPresent());
218 assertEquals(PersistenceProtocol.ABORT, transformed.getPersistenceProtocol().get());
220 ReadTransactionRequest tmpRead = successor.expectTransactionRequest(ReadTransactionRequest.class);
221 assertNotNull(tmpRead);
222 assertEquals(successful2.getTarget(), tmpRead.getTarget());
223 assertEquals(successful2.getSequence(), tmpRead.getSequence());
224 assertEquals(successful2.getPath(), tmpRead.getPath());
225 assertEquals(successor.localActor(), tmpRead.getReplyTo());
227 tmpRead = successor.expectTransactionRequest(ReadTransactionRequest.class);
228 assertNotNull(tmpRead);
229 assertEquals(request1.getTarget(), tmpRead.getTarget());
230 assertEquals(request1.getSequence(), tmpRead.getSequence());
231 assertEquals(request1.getPath(), tmpRead.getPath());
232 assertEquals(successor.localActor(), tmpRead.getReplyTo());
234 final ExistsTransactionRequest tmpExist = successor.expectTransactionRequest(ExistsTransactionRequest.class);
235 assertNotNull(tmpExist);
236 assertEquals(request2.getTarget(), tmpExist.getTarget());
237 assertEquals(request2.getSequence(), tmpExist.getSequence());
238 assertEquals(request2.getPath(), tmpExist.getPath());
239 assertEquals(successor.localActor(), tmpExist.getReplyTo());
242 protected void checkModifications(final ModifyTransactionRequest modifyRequest) {
243 final List<TransactionModification> modifications = modifyRequest.getModifications();
244 assertEquals(3, modifications.size());
245 assertThat(modifications, hasItem(allOf(isA(TransactionWrite.class), hasPath(PATH_1))));
246 assertThat(modifications, hasItem(allOf(isA(TransactionMerge.class), hasPath(PATH_2))));
247 assertThat(modifications, hasItem(allOf(isA(TransactionDelete.class), hasPath(PATH_3))));
250 @SuppressWarnings("checkstyle:hiddenField")
251 protected <R extends TransactionRequest<R>> void testRequestResponse(final Consumer<VotingFuture<Empty>> consumer,
252 final Class<R> expectedRequest,
253 final BiFunction<TransactionIdentifier, Long, TransactionSuccess<?>> replySupplier) {
254 final TransactionTester<T> tester = getTester();
255 final VotingFuture<Empty> future = mock(VotingFuture.class);
257 consumer.accept(future);
258 final TransactionRequest<?> req = tester.expectTransactionRequest(expectedRequest);
259 tester.replySuccess(replySupplier.apply(TRANSACTION_ID, req.getSequence()));
260 verify(future).voteYes();
263 protected <R extends TransactionRequest<R>> R testHandleForwardedRemoteRequest(final R request) {
264 transaction.handleReplayedRemoteRequest(request, createCallbackMock(), Ticker.systemTicker().read());
265 final RequestEnvelope envelope = backendProbe.expectMsgClass(RequestEnvelope.class);
266 final R received = (R) envelope.getMessage();
267 assertTrue(received.getClass().equals(request.getClass()));
268 assertEquals(TRANSACTION_ID, received.getTarget());
269 assertEquals(clientContextProbe.ref(), received.getReplyTo());
273 protected <R extends TransactionRequest<R>> R testForwardToRemote(final TransactionRequest<?> toForward,
274 final Class<R> expectedMessageClass) {
275 final Consumer<Response<?, ?>> callback = createCallbackMock();
276 final TransactionTester<RemoteProxyTransaction> transactionTester = createRemoteProxyTransactionTester();
277 final RemoteProxyTransaction successor = transactionTester.getTransaction();
278 transaction.forwardToRemote(successor, toForward, callback);
279 return transactionTester.expectTransactionRequest(expectedMessageClass);
282 protected TransactionTester<T> getTester() {
286 @SuppressWarnings("unchecked")
287 protected static <T> Consumer<T> createCallbackMock() {
288 return mock(Consumer.class);
291 protected static BaseMatcher<TransactionModification> hasPath(final YangInstanceIdentifier path) {
292 return new BaseMatcher<>() {
295 public boolean matches(final Object item) {
296 return path.equals(((TransactionModification) item).getPath());
300 public void describeTo(final Description description) {
301 description.appendValue(path);
305 public void describeMismatch(final Object item, final Description description) {
306 final TransactionModification modification = (TransactionModification) item;
307 description.appendText("was ").appendValue(modification.getPath());
312 protected TestProbe createProbe() {
313 return new TestProbe(system);
316 @SuppressWarnings("checkstyle:hiddenField")
317 protected TransactionTester<LocalReadWriteProxyTransaction> createLocalProxy() {
318 final TestProbe backendProbe = new TestProbe(system, "backend2");
319 final TestProbe clientContextProbe = new TestProbe(system, "clientContext2");
320 final ClientActorContext context =
321 AccessClientUtil.createClientActorContext(system, clientContextProbe.ref(), CLIENT_ID, PERSISTENCE_ID);
322 final ShardBackendInfo backend = new ShardBackendInfo(backendProbe.ref(), 0L, ABIVersion.current(),
323 "default", UnsignedLong.ZERO, Optional.empty(), 3);
324 final AbstractClientConnection<ShardBackendInfo> connection =
325 AccessClientUtil.createConnectedConnection(context, 0L, backend);
326 final AbstractClientHistory history = mock(AbstractClientHistory.class);
327 final ProxyHistory parent = ProxyHistory.createClient(history, connection, HISTORY_ID);
328 final DataTreeSnapshot snapshot = mock(DataTreeSnapshot.class);
329 when(snapshot.newModification()).thenReturn(mock(CursorAwareDataTreeModification.class));
330 final LocalReadWriteProxyTransaction tx =
331 new LocalReadWriteProxyTransaction(parent, TestUtils.TRANSACTION_ID, snapshot);
332 return new TransactionTester<>(tx, connection, backendProbe);
335 @SuppressWarnings("checkstyle:hiddenField")
336 protected TransactionTester<RemoteProxyTransaction> createRemoteProxyTransactionTester() {
337 final TestProbe clientContextProbe = new TestProbe(system, "remoteClientContext");
338 final TestProbe backendProbe = new TestProbe(system, "remoteBackend");
339 final AbstractClientHistory history = mock(AbstractClientHistory.class);
340 doReturn(1000).when(datastoreContext).getShardBatchedModificationCount();
341 doReturn(datastoreContext).when(actorUtils).getDatastoreContext();
342 doReturn(actorUtils).when(history).actorUtils();
344 final ClientActorContext context =
345 AccessClientUtil.createClientActorContext(system, clientContextProbe.ref(), CLIENT_ID, PERSISTENCE_ID);
346 final ShardBackendInfo backend = new ShardBackendInfo(backendProbe.ref(), 0L, ABIVersion.current(),
347 "default", UnsignedLong.ZERO, Optional.empty(), 5);
348 final AbstractClientConnection<ShardBackendInfo> connection =
349 AccessClientUtil.createConnectedConnection(context, 0L, backend);
350 final ProxyHistory proxyHistory = ProxyHistory.createClient(history, connection, HISTORY_ID);
352 final RemoteProxyTransaction transaction =
353 new RemoteProxyTransaction(proxyHistory, TRANSACTION_ID, false, false, false);
354 return new TransactionTester<>(transaction, connection, backendProbe);