BUG 2185 : Introduce the SwitchBehavior message

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / test / java / org / opendaylight / controller / cluster / raft / RaftActorTest.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/RaftActorTest.java b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/RaftActorTest.java
index eb70c8b028e16258c392e79a3394d040f9c7c291..c73344c44aa0bd2b28e7a8b69e05ef7a84996b99 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/RaftActorTest.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/RaftActorTest.java
@@ -1,9 +1,17 @@
+/*
+ * 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.raft;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyObject;
 import static org.mockito.Matchers.eq;
@@ -17,6 +25,7 @@ import akka.actor.PoisonPill;
 import akka.actor.Props;
 import akka.actor.Terminated;
 import akka.japi.Procedure;
+import akka.persistence.RecoveryCompleted;
 import akka.persistence.SaveSnapshotFailure;
 import akka.persistence.SaveSnapshotSuccess;
 import akka.persistence.SnapshotMetadata;
@@ -51,6 +60,7 @@ import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshot;
 import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
 import org.opendaylight.controller.cluster.raft.base.messages.DeleteEntries;
 import org.opendaylight.controller.cluster.raft.base.messages.SendHeartBeat;
+import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
 import org.opendaylight.controller.cluster.raft.base.messages.UpdateElectionTerm;
 import org.opendaylight.controller.cluster.raft.behaviors.Follower;
 import org.opendaylight.controller.cluster.raft.behaviors.Leader;
@@ -582,7 +592,7 @@ public class RaftActorTest extends AbstractActorTest {
                 leaderActor.getRaftActorContext().getSnapshotManager().persist(snapshotBytes.toByteArray(),
                         leader, Runtime.getRuntime().totalMemory());
 
-                assertFalse(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
+                assertTrue(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
 
                 // The commit is needed to complete the snapshot creation process
                 leaderActor.getRaftActorContext().getSnapshotManager().commit(-1, leader);
@@ -673,7 +683,7 @@ public class RaftActorTest extends AbstractActorTest {
                                 (ReplicatedLogEntry) new MockRaftActorContext.MockReplicatedLogEntry(1, 7,
                                         new MockRaftActorContext.MockPayload("foo-7"))
                         );
-                followerActor.onReceiveCommand(new AppendEntries(1, leaderId, 6, 1, entries, 6, 6, (short)0));
+                followerActor.onReceiveCommand(new AppendEntries(1, leaderId, 6, 1, entries, 6, 6, (short) 0));
                 assertEquals(8, followerActor.getReplicatedLog().size());
 
                 assertEquals(RaftState.Follower, followerActor.getCurrentBehavior().state());
@@ -686,7 +696,7 @@ public class RaftActorTest extends AbstractActorTest {
                         new MockRaftActorContext.MockPayload("foo-3"),
                         new MockRaftActorContext.MockPayload("foo-4")));
                 followerActor.onReceiveCommand(new CaptureSnapshotReply(snapshotBytes.toByteArray()));
-                assertFalse(followerActor.getRaftActorContext().getSnapshotManager().isCapturing());
+                assertTrue(followerActor.getRaftActorContext().getSnapshotManager().isCapturing());
 
                 // The commit is needed to complete the snapshot creation process
                 followerActor.getRaftActorContext().getSnapshotManager().commit(-1, follower);
@@ -701,7 +711,7 @@ public class RaftActorTest extends AbstractActorTest {
                                         new MockRaftActorContext.MockPayload("foo-7"))
                         );
                 // send an additional entry 8 with leaderCommit = 7
-                followerActor.onReceiveCommand(new AppendEntries(1, leaderId, 7, 1, entries, 7, 7, (short)0));
+                followerActor.onReceiveCommand(new AppendEntries(1, leaderId, 7, 1, entries, 7, 7, (short) 0));
 
                 // 7 and 8, as lastapplied is 7
                 assertEquals(2, followerActor.getReplicatedLog().size());
@@ -759,7 +769,7 @@ public class RaftActorTest extends AbstractActorTest {
                 assertEquals(5, leaderActor.getReplicatedLog().size());
                 assertEquals(RaftState.Leader, leaderActor.getCurrentBehavior().state());
 
-                leaderActor.onReceiveCommand(new AppendEntriesReply(follower1Id, 1, true, 9, 1, (short)0));
+                leaderActor.onReceiveCommand(new AppendEntriesReply(follower1Id, 1, true, 9, 1, (short) 0));
                 assertEquals(5, leaderActor.getReplicatedLog().size());
                 assertEquals(RaftState.Leader, leaderActor.getCurrentBehavior().state());
 
@@ -787,12 +797,12 @@ public class RaftActorTest extends AbstractActorTest {
                         new MockRaftActorContext.MockPayload("foo-3"),
                         new MockRaftActorContext.MockPayload("foo-4")));
                 leaderActor.onReceiveCommand(new CaptureSnapshotReply(snapshotBytes.toByteArray()));
-                assertFalse(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
+                assertTrue(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
 
                 assertEquals("Real snapshot didn't clear the log till replicatedToAllIndex", 0, leaderActor.getReplicatedLog().size());
 
                 //reply from a slow follower after should not raise errors
-                leaderActor.onReceiveCommand(new AppendEntriesReply(follower2Id, 1, true, 5, 1, (short)0));
+                leaderActor.onReceiveCommand(new AppendEntriesReply(follower2Id, 1, true, 5, 1, (short) 0));
                 assertEquals(0, leaderActor.getReplicatedLog().size());
             }
         };
@@ -831,15 +841,16 @@ public class RaftActorTest extends AbstractActorTest {
             leaderActor.setCurrentBehavior(leader);
             assertEquals(RaftState.Leader, leaderActor.getCurrentBehavior().state());
 
-            // Persist another entry (this will cause a CaptureSnapshot to be triggered
-            leaderActor.persistData(mockActorRef, "x", new MockRaftActorContext.MockPayload("duh"));
+            // Simulate an install snaphost to a follower.
+            leaderActor.getRaftActorContext().getSnapshotManager().captureToInstall(
+                    leaderActor.getReplicatedLog().last(), -1, "member1");
 
             // Now send a CaptureSnapshotReply
             mockActorRef.tell(new CaptureSnapshotReply(fromObject("foo").toByteArray()), mockActorRef);
 
             // Trimming log in this scenario is a no-op
             assertEquals(-1, leaderActor.getReplicatedLog().getSnapshotIndex());
-            assertFalse(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
+            assertTrue(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
             assertEquals(-1, leader.getReplicatedToAllIndex());
 
         }};
@@ -882,12 +893,56 @@ public class RaftActorTest extends AbstractActorTest {
 
             // Trimming log in this scenario is a no-op
             assertEquals(3, leaderActor.getReplicatedLog().getSnapshotIndex());
-            assertFalse(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
+            assertTrue(leaderActor.getRaftActorContext().getSnapshotManager().isCapturing());
             assertEquals(3, leader.getReplicatedToAllIndex());
 
         }};
     }
 
+    @Test
+    public void testSwitchBehavior(){
+        String persistenceId = factory.generateActorId("leader-");
+        DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
+        config.setCustomRaftPolicyImplementationClass("org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy");
+        config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+        config.setIsolatedLeaderCheckInterval(new FiniteDuration(1, TimeUnit.DAYS));
+        config.setSnapshotBatchCount(5);
+
+        DataPersistenceProvider dataPersistenceProvider = new NonPersistentDataProvider();
+
+        Map<String, String> peerAddresses = ImmutableMap.<String, String>builder().build();
+
+        TestActorRef<MockRaftActor> mockActorRef = factory.createTestActor(
+                MockRaftActor.props(persistenceId, peerAddresses,
+                        Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
+
+        MockRaftActor leaderActor = mockActorRef.underlyingActor();
+
+        leaderActor.handleRecover(RecoveryCompleted.getInstance());
+
+        leaderActor.handleCommand(new SwitchBehavior(RaftState.Follower, 100));
+
+        assertEquals(100, leaderActor.getRaftActorContext().getTermInformation().getCurrentTerm());
+        assertEquals(RaftState.Follower, leaderActor.getCurrentBehavior().state());
+
+        leaderActor.handleCommand(new SwitchBehavior(RaftState.Leader, 110));
+
+        assertEquals(110, leaderActor.getRaftActorContext().getTermInformation().getCurrentTerm());
+        assertEquals(RaftState.Leader, leaderActor.getCurrentBehavior().state());
+
+        leaderActor.handleCommand(new SwitchBehavior(RaftState.Candidate, 125));
+
+        assertEquals(110, leaderActor.getRaftActorContext().getTermInformation().getCurrentTerm());
+        assertEquals(RaftState.Leader, leaderActor.getCurrentBehavior().state());
+
+        leaderActor.handleCommand(new SwitchBehavior(RaftState.IsolatedLeader, 125));
+
+        assertEquals(110, leaderActor.getRaftActorContext().getTermInformation().getCurrentTerm());
+        assertEquals(RaftState.Leader, leaderActor.getCurrentBehavior().state());
+
+
+    }
+
     public static ByteString fromObject(Object snapshot) throws Exception {
         ByteArrayOutputStream b = null;
         ObjectOutputStream o = null;