package org.opendaylight.controller.cluster.datastore;
-import akka.actor.ActorRef;
-import akka.actor.ActorSystem;
-import akka.actor.Props;
-import org.junit.After;
+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.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
-import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
-import org.opendaylight.controller.cluster.datastore.utils.DoNothingActor;
-import org.opendaylight.controller.cluster.datastore.utils.MockActorContext;
-import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
-import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages.CreateTransactionReply;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import scala.concurrent.duration.FiniteDuration;
+
+public class DistributedDataStoreTest extends AbstractActorTest {
+
+ private SchemaContext schemaContext;
+
+ @Mock
+ private ActorContext actorContext;
-public class DistributedDataStoreTest extends AbstractActorTest{
+ @Mock
+ private DatastoreContext datastoreContext;
- private DistributedDataStore distributedDataStore;
- private MockActorContext mockActorContext;
- private ActorRef doNothingActorRef;
+ @Mock
+ private Timeout shardElectionTimeout;
@Before
public void setUp() throws Exception {
- ShardStrategyFactory.setConfiguration(new MockConfiguration());
- final Props props = Props.create(DoNothingActor.class);
-
- doNothingActorRef = getSystem().actorOf(props);
-
- mockActorContext = new MockActorContext(getSystem(), doNothingActorRef);
- distributedDataStore = new DistributedDataStore(mockActorContext);
- distributedDataStore.onGlobalContextUpdated(
- TestModel.createTestContext());
-
- // Make CreateTransactionReply as the default response. Will need to be
- // tuned if a specific test requires some other response
- mockActorContext.setExecuteShardOperationResponse(
- CreateTransactionReply.newBuilder()
- .setTransactionActorPath(doNothingActorRef.path().toString())
- .setTransactionId("txn-1 ")
- .build());
- }
+ MockitoAnnotations.initMocks(this);
- @After
- public void tearDown() throws Exception {
+ schemaContext = TestModel.createTestContext();
+ doReturn(schemaContext).when(actorContext).getSchemaContext();
+ doReturn(DatastoreContext.newBuilder().build()).when(actorContext).getDatastoreContext();
}
@Test
- public void testConstructor(){
- ActorSystem actorSystem = mock(ActorSystem.class);
+ public void testRateLimitingUsedInReadWriteTxCreation(){
+ DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext);
- new DistributedDataStore(actorSystem, "config",
- mock(ClusterWrapper.class), mock(Configuration.class), null);
+ distributedDataStore.newReadWriteTransaction();
- verify(actorSystem).actorOf(any(Props.class), eq("shardmanager-config"));
+ verify(actorContext, times(1)).acquireTxCreationPermit();
}
@Test
- public void testRegisterChangeListenerWhenShardIsNotLocal() throws Exception {
-
- ListenerRegistration registration =
- distributedDataStore.registerChangeListener(TestModel.TEST_PATH, new AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>() {
- @Override
- public void onDataChanged(AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> change) {
- throw new UnsupportedOperationException("onDataChanged");
- }
- }, AsyncDataBroker.DataChangeScope.BASE);
+ public void testRateLimitingUsedInWriteOnlyTxCreation(){
+ DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext);
- // Since we do not expect the shard to be local registration will return a NoOpRegistration
- assertTrue(registration instanceof NoOpDataChangeListenerRegistration);
+ distributedDataStore.newWriteOnlyTransaction();
- assertNotNull(registration);
+ verify(actorContext, times(1)).acquireTxCreationPermit();
}
+
@Test
- public void testRegisterChangeListenerWhenShardIsLocal() throws Exception {
+ public void testRateLimitingNotUsedInReadOnlyTxCreation(){
+ DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext);
+
+ distributedDataStore.newReadOnlyTransaction();
+ distributedDataStore.newReadOnlyTransaction();
+ distributedDataStore.newReadOnlyTransaction();
- mockActorContext.setExecuteLocalShardOperationResponse(new RegisterChangeListenerReply(doNothingActorRef.path()));
+ verify(actorContext, times(0)).acquireTxCreationPermit();
+ }
- ListenerRegistration registration =
- distributedDataStore.registerChangeListener(TestModel.TEST_PATH, new AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>() {
- @Override
- public void onDataChanged(AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> change) {
- throw new UnsupportedOperationException("onDataChanged");
- }
- }, AsyncDataBroker.DataChangeScope.BASE);
+ @Test
+ public void testWaitTillReadyBlocking(){
+ doReturn(datastoreContext).when(actorContext).getDatastoreContext();
+ doReturn(shardElectionTimeout).when(datastoreContext).getShardLeaderElectionTimeout();
+ doReturn(FiniteDuration.apply(50, TimeUnit.MILLISECONDS)).when(shardElectionTimeout).duration();
+ DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext);
- assertTrue(registration instanceof DataChangeListenerRegistrationProxy);
+ long start = System.currentTimeMillis();
- assertNotNull(registration);
- }
+ distributedDataStore.waitTillReady();
+ long end = System.currentTimeMillis();
- @Test
- public void testCreateTransactionChain() throws Exception {
- final DOMStoreTransactionChain transactionChain = distributedDataStore.createTransactionChain();
- assertNotNull(transactionChain);
+ assertTrue("Expected to be blocked for 50 millis", (end-start) >= 50);
}
@Test
- public void testNewReadOnlyTransaction() throws Exception {
- final DOMStoreReadTransaction transaction = distributedDataStore.newReadOnlyTransaction();
- assertNotNull(transaction);
- }
+ public void testWaitTillReadyCountDown(){
+ final DistributedDataStore distributedDataStore = new DistributedDataStore(actorContext);
+ doReturn(datastoreContext).when(actorContext).getDatastoreContext();
+ doReturn(shardElectionTimeout).when(datastoreContext).getShardLeaderElectionTimeout();
+ doReturn(FiniteDuration.apply(5000, TimeUnit.MILLISECONDS)).when(shardElectionTimeout).duration();
- @Test
- public void testNewWriteOnlyTransaction() throws Exception {
- final DOMStoreWriteTransaction transaction = distributedDataStore.newWriteOnlyTransaction();
- assertNotNull(transaction);
- }
+ Executors.newSingleThreadExecutor().submit(new Runnable() {
+ @Override
+ public void run() {
+ 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);
- @Test
- public void testNewReadWriteTransaction() throws Exception {
- final DOMStoreReadWriteTransaction transaction = distributedDataStore.newReadWriteTransaction();
- assertNotNull(transaction);
}
-}
+
+}
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