opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/DistributedDataStoreTest.java

   1 /*
   2  * Copyright (c) 2014, 2015 Cisco Systems, Inc. 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
   9 package org.opendaylight.controller.cluster.datastore;
  10
  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
  16 import akka.util.Timeout;
  17 import com.google.common.util.concurrent.Uninterruptibles;
  18 import java.util.concurrent.Executors;
  19 import java.util.concurrent.TimeUnit;
  20 import org.junit.Before;
  21 import org.junit.Test;
  22 import org.mockito.Mock;
  23 import org.mockito.MockitoAnnotations;
  24 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
  25 import org.opendaylight.controller.cluster.access.concepts.FrontendIdentifier;
  26 import org.opendaylight.controller.cluster.access.concepts.FrontendType;
  27 import org.opendaylight.controller.cluster.access.concepts.MemberName;
  28 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
  29 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
  30 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  31 import scala.concurrent.duration.FiniteDuration;
  32
  33 public class DistributedDataStoreTest extends AbstractActorTest {
  34     private static final ClientIdentifier UNKNOWN_ID = ClientIdentifier.create(
  35             FrontendIdentifier.create(MemberName.forName("local"), FrontendType.forName("unknown")), 0);
  36
  37     private SchemaContext schemaContext;
  38
  39     @Mock
  40     private ActorContext actorContext;
  41
  42     @Mock
  43     private DatastoreContext datastoreContext;
  44
  45     @Mock
  46     private Timeout shardElectionTimeout;
  47
  48     @Before
  49     public void setUp() {
  50         MockitoAnnotations.initMocks(this);
  51
  52         schemaContext = TestModel.createTestContext();
  53
  54         doReturn(schemaContext).when(actorContext).getSchemaContext();
  55         doReturn(DatastoreContext.newBuilder().build()).when(actorContext).getDatastoreContext();
  56     }
  57
  58     @Test
  59     public void testRateLimitingUsedInReadWriteTxCreation() {
  60         try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
  61
  62             distributedDataStore.newReadWriteTransaction();
  63
  64             verify(actorContext, times(1)).acquireTxCreationPermit();
  65         }
  66     }
  67
  68     @Test
  69     public void testRateLimitingUsedInWriteOnlyTxCreation() {
  70         try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
  71
  72             distributedDataStore.newWriteOnlyTransaction();
  73
  74             verify(actorContext, times(1)).acquireTxCreationPermit();
  75         }
  76     }
  77
  78     @Test
  79     public void testRateLimitingNotUsedInReadOnlyTxCreation() {
  80         try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
  81
  82             distributedDataStore.newReadOnlyTransaction();
  83             distributedDataStore.newReadOnlyTransaction();
  84             distributedDataStore.newReadOnlyTransaction();
  85
  86             verify(actorContext, times(0)).acquireTxCreationPermit();
  87         }
  88     }
  89
  90     @Test
  91     public void testWaitTillReadyBlocking() {
  92         doReturn(datastoreContext).when(actorContext).getDatastoreContext();
  93         doReturn(shardElectionTimeout).when(datastoreContext).getShardLeaderElectionTimeout();
  94         doReturn(FiniteDuration.apply(50, TimeUnit.MILLISECONDS)).when(shardElectionTimeout).duration();
  95         try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
  96
  97             long start = System.currentTimeMillis();
  98
  99             distributedDataStore.waitTillReady();
 100
 101             long end = System.currentTimeMillis();
 102
 103             assertTrue("Expected to be blocked for 50 millis", end - start >= 50);
 104         }
 105     }
 106
 107     @Test
 108     public void testWaitTillReadyCountDown() {
 109         try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
 110             doReturn(datastoreContext).when(actorContext).getDatastoreContext();
 111             doReturn(shardElectionTimeout).when(datastoreContext).getShardLeaderElectionTimeout();
 112             doReturn(FiniteDuration.apply(5000, TimeUnit.MILLISECONDS)).when(shardElectionTimeout).duration();
 113
 114             Executors.newSingleThreadExecutor().submit(() -> {
 115                 Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
 116                 distributedDataStore.getWaitTillReadyCountDownLatch().countDown();
 117             });
 118
 119             long start = System.currentTimeMillis();
 120
 121             distributedDataStore.waitTillReady();
 122
 123             long end = System.currentTimeMillis();
 124
 125             assertTrue("Expected to be released in 500 millis", end - start < 5000);
 126         }
 127     }
 128 }