Add optional lz4 compression for snapshots
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / test / java / org / opendaylight / controller / cluster / datastore / actors / ShardSnapshotActorTest.java
index 47128f026436da6822a35ea374ad3e532dc61ad1..ae7c9b496341696c762501a47d9f86b6b3b647da 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ * Copyright (c) 2016, 2017 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,
@@ -10,55 +10,67 @@ package org.opendaylight.controller.cluster.datastore.actors;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
+
 import akka.actor.ActorRef;
-import akka.testkit.JavaTestKit;
+import akka.testkit.javadsl.TestKit;
+import com.google.common.io.ByteSource;
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectInputStream;
+import java.time.Duration;
 import java.util.Optional;
 import org.junit.Test;
 import org.opendaylight.controller.cluster.datastore.AbstractActorTest;
-import org.opendaylight.controller.cluster.datastore.persisted.ShardDataTreeSnapshot;
 import org.opendaylight.controller.cluster.datastore.persisted.MetadataShardDataTreeSnapshot;
-import org.opendaylight.controller.cluster.datastore.persisted.PreBoronShardDataTreeSnapshot;
+import org.opendaylight.controller.cluster.datastore.persisted.ShardDataTreeSnapshot;
+import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
+import org.opendaylight.controller.cluster.io.InputOutputStreamFactory;
 import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 
 public class ShardSnapshotActorTest extends AbstractActorTest {
-    private static final NormalizedNode<?, ?> DATA = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
+    private static final InputOutputStreamFactory STREAM_FACTORY = InputOutputStreamFactory.simple();
 
-    private static void testSerializeSnapshot(final String testName, final ShardDataTreeSnapshot snapshot)
-            throws Exception {
-        new JavaTestKit(getSystem()) {{
+    private static final NormalizedNode<?, ?> DATA = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
 
-            final ActorRef snapshotActor = getSystem().actorOf(ShardSnapshotActor.props(), testName);
-            watch(snapshotActor);
+    private static void testSerializeSnapshot(final String testName, final ShardDataTreeSnapshot snapshot,
+            final boolean withInstallSnapshot) throws Exception {
+        final TestKit kit = new TestKit(getSystem());
+        final ActorRef snapshotActor = getSystem().actorOf(ShardSnapshotActor.props(STREAM_FACTORY), testName);
+        kit.watch(snapshotActor);
 
-            final NormalizedNode<?, ?> expectedRoot = snapshot.getRootNode().get();
+        final NormalizedNode<?, ?> expectedRoot = snapshot.getRootNode().get();
 
-            ShardSnapshotActor.requestSnapshot(snapshotActor, snapshot, getRef());
+        ByteArrayOutputStream installSnapshotStream = withInstallSnapshot ? new ByteArrayOutputStream() : null;
+        ShardSnapshotActor.requestSnapshot(snapshotActor, snapshot,
+            Optional.ofNullable(installSnapshotStream), kit.getRef());
 
-            final CaptureSnapshotReply reply = expectMsgClass(duration("3 seconds"), CaptureSnapshotReply.class);
-            assertNotNull("getSnapshot is null", reply.getSnapshot());
+        final CaptureSnapshotReply reply = kit.expectMsgClass(Duration.ofSeconds(3), CaptureSnapshotReply.class);
+        assertNotNull("getSnapshotState is null", reply.getSnapshotState());
+        assertEquals("SnapshotState type", ShardSnapshotState.class, reply.getSnapshotState().getClass());
+        assertEquals("Snapshot", snapshot, ((ShardSnapshotState)reply.getSnapshotState()).getSnapshot());
 
-            final ShardDataTreeSnapshot actual = ShardDataTreeSnapshot.deserialize(reply.getSnapshot());
-            assertNotNull(actual);
-            assertEquals(snapshot.getClass(), actual.getClass());
+        if (installSnapshotStream != null) {
+            final ShardDataTreeSnapshot deserialized;
+            try (ObjectInputStream in = new ObjectInputStream(STREAM_FACTORY.createInputStream(
+                    ByteSource.wrap(installSnapshotStream.toByteArray())))) {
+                deserialized = ShardDataTreeSnapshot.deserialize(in).getSnapshot();
+            }
 
-            final Optional<NormalizedNode<?, ?>> maybeNode = actual.getRootNode();
-            assertTrue(maybeNode.isPresent());
+            assertEquals("Deserialized snapshot type", snapshot.getClass(), deserialized.getClass());
 
+            final Optional<NormalizedNode<?, ?>> maybeNode = deserialized.getRootNode();
+            assertTrue("isPresent", maybeNode.isPresent());
             assertEquals("Root node", expectedRoot, maybeNode.get());
-        }};
+        }
     }
 
     @Test
     public void testSerializeBoronSnapshot() throws Exception {
-        testSerializeSnapshot("testSerializeBoronSnapshot", new MetadataShardDataTreeSnapshot(DATA));
-    }
-
-    @Deprecated
-    @Test
-    public void testSerializeLegacySnapshot() throws Exception {
-        testSerializeSnapshot("testSerializeLegacySnapshot", new PreBoronShardDataTreeSnapshot(DATA));
+        testSerializeSnapshot("testSerializeBoronSnapshotWithInstallSnapshot",
+                new MetadataShardDataTreeSnapshot(DATA), true);
+        testSerializeSnapshot("testSerializeBoronSnapshotWithoutInstallSnapshot",
+                new MetadataShardDataTreeSnapshot(DATA), false);
     }
 }