BUG 2733 : Leader should always schedule heartbeats

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

diff --git a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/utils/MessageCollectorActor.java b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/utils/MessageCollectorActor.java
index 3469a956c3737df541c7523a539ab998bf6ac8df..62f163fb7d0270a2415e934d193136d610e01ca3 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/utils/MessageCollectorActor.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/utils/MessageCollectorActor.java
@@ -9,13 +9,17 @@
 package org.opendaylight.controller.cluster.raft.utils;
 
 import akka.actor.ActorRef;
+import akka.actor.Props;
 import akka.actor.UntypedActor;
 import akka.pattern.Patterns;
 import akka.util.Timeout;
 import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.Uninterruptibles;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import org.junit.Assert;
 import scala.concurrent.Await;
 import scala.concurrent.Future;
 import scala.concurrent.duration.Duration;
@@ -23,28 +27,35 @@ import scala.concurrent.duration.FiniteDuration;
 
 
 public class MessageCollectorActor extends UntypedActor {
-    private List<Object> messages = new ArrayList<>();
+    private static final String ARE_YOU_READY = "ARE_YOU_READY";
+
+    private final List<Object> messages = new ArrayList<>();
 
     @Override public void onReceive(Object message) throws Exception {
+        if(message.equals(ARE_YOU_READY)) {
+            getSender().tell("yes", getSelf());
+            return;
+        }
+
         if(message instanceof String){
             if("get-all-messages".equals(message)){
-                getSender().tell(new ArrayList(messages), getSelf());
+                getSender().tell(new ArrayList<>(messages), getSelf());
             }
-        } else {
+        } else if(message != null) {
             messages.add(message);
         }
     }
 
+    public void clear() {
+        messages.clear();
+    }
+
     public static List<Object> getAllMessages(ActorRef actor) throws Exception {
         FiniteDuration operationDuration = Duration.create(5, TimeUnit.SECONDS);
         Timeout operationTimeout = new Timeout(operationDuration);
         Future<Object> future = Patterns.ask(actor, "get-all-messages", operationTimeout);
 
-        try {
-            return (List<Object>) Await.result(future, operationDuration);
-        } catch (Exception e) {
-            throw e;
-        }
+        return (List<Object>) Await.result(future, operationDuration);
     }
 
     /**
@@ -53,30 +64,68 @@ public class MessageCollectorActor extends UntypedActor {
      * @param clazz
      * @return
      */
-    public static Object getFirstMatching(ActorRef actor, Class<?> clazz) throws Exception {
+    public static <T> T getFirstMatching(ActorRef actor, Class<T> clazz) throws Exception {
         List<Object> allMessages = getAllMessages(actor);
 
         for(Object message : allMessages){
             if(message.getClass().equals(clazz)){
-                return message;
+                return (T) message;
             }
         }
 
         return null;
     }
 
-    public static List<Object> getAllMatching(ActorRef actor, Class<?> clazz) throws Exception {
+    public static <T> T expectFirstMatching(ActorRef actor, Class<T> clazz) {
+        return expectFirstMatching(actor, clazz, 5000);
+    }
+
+    public static <T> T expectFirstMatching(ActorRef actor, Class<T> clazz, long timeout) {
+        int count = (int) (timeout / 50);
+        for(int i = 0; i < count; i++) {
+            try {
+                T message = getFirstMatching(actor, clazz);
+                if(message != null) {
+                    return message;
+                }
+            } catch (Exception e) {}
+
+            Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+        }
+
+        Assert.fail("Did not receive message of type " + clazz);
+        return null;
+    }
+
+    public static <T> List<T> getAllMatching(ActorRef actor, Class<T> clazz) throws Exception {
         List<Object> allMessages = getAllMessages(actor);
 
-        List<Object> output = Lists.newArrayList();
+        List<T> output = Lists.newArrayList();
 
         for(Object message : allMessages){
             if(message.getClass().equals(clazz)){
-                output.add(message);
+                output.add((T) message);
             }
         }
 
         return output;
     }
 
+    public static void waitUntilReady(ActorRef actor) throws Exception {
+        long timeout = 500;
+        FiniteDuration duration = Duration.create(timeout, TimeUnit.MILLISECONDS);
+        for(int i = 0; i < 10; i++) {
+            try {
+                Await.ready(Patterns.ask(actor, ARE_YOU_READY, timeout), duration);
+                return;
+            } catch (TimeoutException e) {
+            }
+        }
+
+        throw new TimeoutException("Actor not ready in time.");
+    }
+
+    public static Props props() {
+        return Props.create(MessageCollectorActor.class);
+    }
 }