+/*
+ * 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);
@Test
public void testRateLimitingUsedInReadWriteTxCreation(){
- DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext);
+ try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
- distributedDataStore.newReadWriteTransaction();
+ distributedDataStore.newReadWriteTransaction();
- verify(actorContext, times(1)).acquireTxCreationPermit();
+ verify(actorContext, times(1)).acquireTxCreationPermit();
+ }
}
@Test
public void testRateLimitingUsedInWriteOnlyTxCreation(){
- DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext);
+ try (DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext, UNKNOWN_ID)) {
- distributedDataStore.newWriteOnlyTransaction();
+ distributedDataStore.newWriteOnlyTransaction();
- verify(actorContext, times(1)).acquireTxCreationPermit();
+ verify(actorContext, times(1)).acquireTxCreationPermit();
+ }
}
-
@Test
public void testRateLimitingNotUsedInReadOnlyTxCreation(){
- DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext);
+ 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 (final 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();
- distributedDataStore.newReadOnlyTransaction();
- distributedDataStore.newReadOnlyTransaction();
- distributedDataStore.newReadOnlyTransaction();
+ long end = System.currentTimeMillis();
- verify(actorContext, times(0)).acquireTxCreationPermit();
+ assertTrue("Expected to be released in 500 millis", (end - start) < 5000);
+ }
}
-}
\ No newline at end of file
+}