Bug 2194: Modify FindPrimary to check for leader

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/MessageCollectorActor.java b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/MessageCollectorActor.java
index f75aa5445bc34de451c900311c3c91b3a4866f4e..d62c9dbc28713eb5cb35bb434c9bf8e7b733e2c4 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/MessageCollectorActor.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/MessageCollectorActor.java
@@ -8,10 +8,20 @@
 
 package org.opendaylight.controller.cluster.datastore.utils;
 
+import akka.actor.ActorRef;
 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 org.junit.Assert;
+import scala.concurrent.Await;
+import scala.concurrent.Future;
+import scala.concurrent.duration.Duration;
+import scala.concurrent.duration.FiniteDuration;
 
 /**
  * MessageCollectorActor collects messages as it receives them. It can send
@@ -22,15 +32,80 @@ import java.util.List;
  * </p>
  */
 public class MessageCollectorActor extends UntypedActor {
-    private List<Object> messages = new ArrayList<>();
+    private final List<Object> messages = new ArrayList<>();
 
     @Override public void onReceive(Object message) throws Exception {
         if(message instanceof String){
             if("messages".equals(message)){
-                getSender().tell(messages, getSelf());
+                getSender().tell(new ArrayList(messages), getSelf());
             }
         } else {
             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, "messages", operationTimeout);
+
+        try {
+            return (List<Object>) Await.result(future, operationDuration);
+        } catch (Exception e) {
+            throw e;
+        }
+    }
+
+    /**
+     * Get the first message that matches the specified class
+     * @param actor
+     * @param clazz
+     * @return
+     */
+    public static Object getFirstMatching(ActorRef actor, Class<?> clazz) throws Exception {
+        List<Object> allMessages = getAllMessages(actor);
+
+        for(Object message : allMessages){
+            if(message.getClass().equals(clazz)){
+                return message;
+            }
+        }
+
+        return null;
+    }
+
+    public static List<Object> getAllMatching(ActorRef actor, Class<?> clazz) throws Exception {
+        List<Object> allMessages = getAllMessages(actor);
+
+        List<Object> output = Lists.newArrayList();
+
+        for(Object message : allMessages){
+            if(message.getClass().equals(clazz)){
+                output.add(message);
+            }
+        }
+
+        return output;
+    }
+
+    public static <T> T expectFirstMatching(ActorRef actor, Class<T> clazz) {
+        int count = 5000 / 50;
+        for(int i = 0; i < count; i++) {
+            try {
+                T message = (T) 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;
+    }
 }