2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. 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
9 package org.opendaylight.controller.cluster.datastore;
11 import static org.junit.Assert.assertTrue;
12 import static org.mockito.Mockito.doReturn;
13 import static org.mockito.Mockito.times;
14 import static org.mockito.Mockito.verify;
15 import akka.util.Timeout;
16 import com.google.common.util.concurrent.Uninterruptibles;
17 import java.util.concurrent.Executors;
18 import java.util.concurrent.TimeUnit;
19 import org.junit.Before;
20 import org.junit.Test;
21 import org.mockito.Mock;
22 import org.mockito.MockitoAnnotations;
23 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
24 import org.opendaylight.controller.cluster.access.concepts.FrontendIdentifier;
25 import org.opendaylight.controller.cluster.access.concepts.FrontendType;
26 import org.opendaylight.controller.cluster.access.concepts.MemberName;
27 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
28 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
29 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
30 import scala.concurrent.duration.FiniteDuration;
32 public class DistributedDataStoreTest extends AbstractActorTest {
33 private static final ClientIdentifier UNKNOWN_ID = ClientIdentifier.create(
34 FrontendIdentifier.create(MemberName.forName("local"), FrontendType.forName("unknown")), 0);
36 private SchemaContext schemaContext;
39 private ActorContext actorContext;
42 private DatastoreContext datastoreContext;
45 private Timeout shardElectionTimeout;
48 public void setUp() throws Exception {
49 MockitoAnnotations.initMocks(this);
51 schemaContext = TestModel.createTestContext();
53 doReturn(schemaContext).when(actorContext).getSchemaContext();
54 doReturn(DatastoreContext.newBuilder().build()).when(actorContext).getDatastoreContext();
58 public void testRateLimitingUsedInReadWriteTxCreation(){
59 try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
61 distributedDataStore.newReadWriteTransaction();
63 verify(actorContext, times(1)).acquireTxCreationPermit();
68 public void testRateLimitingUsedInWriteOnlyTxCreation(){
69 try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
71 distributedDataStore.newWriteOnlyTransaction();
73 verify(actorContext, times(1)).acquireTxCreationPermit();
78 public void testRateLimitingNotUsedInReadOnlyTxCreation(){
79 try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
81 distributedDataStore.newReadOnlyTransaction();
82 distributedDataStore.newReadOnlyTransaction();
83 distributedDataStore.newReadOnlyTransaction();
85 verify(actorContext, times(0)).acquireTxCreationPermit();
90 public void testWaitTillReadyBlocking(){
91 doReturn(datastoreContext).when(actorContext).getDatastoreContext();
92 doReturn(shardElectionTimeout).when(datastoreContext).getShardLeaderElectionTimeout();
93 doReturn(FiniteDuration.apply(50, TimeUnit.MILLISECONDS)).when(shardElectionTimeout).duration();
94 try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
96 long start = System.currentTimeMillis();
98 distributedDataStore.waitTillReady();
100 long end = System.currentTimeMillis();
102 assertTrue("Expected to be blocked for 50 millis", (end - start) >= 50);
107 public void testWaitTillReadyCountDown(){
108 try (final DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
109 doReturn(datastoreContext).when(actorContext).getDatastoreContext();
110 doReturn(shardElectionTimeout).when(datastoreContext).getShardLeaderElectionTimeout();
111 doReturn(FiniteDuration.apply(5000, TimeUnit.MILLISECONDS)).when(shardElectionTimeout).duration();
113 Executors.newSingleThreadExecutor().submit(() -> {
114 Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
115 distributedDataStore.getWaitTillReadyCountDownLatch().countDown();
118 long start = System.currentTimeMillis();
120 distributedDataStore.waitTillReady();
122 long end = System.currentTimeMillis();
124 assertTrue("Expected to be released in 500 millis", (end - start) < 5000);