/*
* Copyright (c) 2014, 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.assertTrue;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import akka.util.Timeout;
import com.google.common.util.concurrent.Uninterruptibles;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
import org.opendaylight.controller.cluster.access.concepts.FrontendIdentifier;
import org.opendaylight.controller.cluster.access.concepts.FrontendType;
import org.opendaylight.controller.cluster.access.concepts.MemberName;
import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import scala.concurrent.duration.FiniteDuration;
public class DistributedDataStoreTest extends AbstractActorTest {
private static final ClientIdentifier UNKNOWN_ID = ClientIdentifier.create(
FrontendIdentifier.create(MemberName.forName("local"), FrontendType.forName("unknown")), 0);
private SchemaContext schemaContext;
@Mock
private ActorContext actorContext;
@Mock
private DatastoreContext datastoreContext;
@Mock
private Timeout shardElectionTimeout;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
schemaContext = TestModel.createTestContext();
doReturn(schemaContext).when(actorContext).getSchemaContext();
doReturn(DatastoreContext.newBuilder().build()).when(actorContext).getDatastoreContext();
}
@Test
public void testRateLimitingUsedInReadWriteTxCreation() {
try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
distributedDataStore.newReadWriteTransaction();
verify(actorContext, times(1)).acquireTxCreationPermit();
}
}
@Test
public void testRateLimitingUsedInWriteOnlyTxCreation() {
try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
distributedDataStore.newWriteOnlyTransaction();
verify(actorContext, times(1)).acquireTxCreationPermit();
}
}
@Test
public void testRateLimitingNotUsedInReadOnlyTxCreation() {
try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
distributedDataStore.newReadOnlyTransaction();
distributedDataStore.newReadOnlyTransaction();
distributedDataStore.newReadOnlyTransaction();
verify(actorContext, times(0)).acquireTxCreationPermit();
}
}
@Test
public void testWaitTillReadyBlocking() {
doReturn(datastoreContext).when(actorContext).getDatastoreContext();
doReturn(shardElectionTimeout).when(datastoreContext).getShardLeaderElectionTimeout();
doReturn(FiniteDuration.apply(50, TimeUnit.MILLISECONDS)).when(shardElectionTimeout).duration();
try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
long start = System.currentTimeMillis();
distributedDataStore.waitTillReady();
long end = System.currentTimeMillis();
assertTrue("Expected to be blocked for 50 millis", end - start >= 50);
}
}
@Test
public void testWaitTillReadyCountDown() {
try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
doReturn(datastoreContext).when(actorContext).getDatastoreContext();
doReturn(shardElectionTimeout).when(datastoreContext).getShardLeaderElectionTimeout();
doReturn(FiniteDuration.apply(5000, TimeUnit.MILLISECONDS)).when(shardElectionTimeout).duration();
Executors.newSingleThreadExecutor().submit(() -> {
Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
distributedDataStore.getWaitTillReadyCountDownLatch().countDown();
});
long start = System.currentTimeMillis();
distributedDataStore.waitTillReady();
long end = System.currentTimeMillis();
assertTrue("Expected to be released in 500 millis", end - start < 5000);
}
}
}