X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Ftest%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2Futils%2FMessageCollectorActor.java;h=6ea7a20924d4480b0497c02e715eefddee81556c;hp=2a79c8f4bccae74605923ae5c90af5d59b1f3512;hb=73dc2546de1386c977a9e4efd8e589e3db223cc9;hpb=4206a55cd7724e15e3c5b7b5b7c12f78481384cf

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 2a79c8f4bc..6ea7a20924 100644
--- 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
@@ -9,43 +9,62 @@
 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.base.Predicate;
 import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.Uninterruptibles;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import org.junit.Assert;
+import org.opendaylight.controller.cluster.raft.SerializationUtils;
 import scala.concurrent.Await;
 import scala.concurrent.Future;
 import scala.concurrent.duration.Duration;
 import scala.concurrent.duration.FiniteDuration;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-
 
 public class MessageCollectorActor extends UntypedActor {
-    private List<Object> messages = new ArrayList<>();
+    private static final String ARE_YOU_READY = "ARE_YOU_READY";
+    private static final String GET_ALL_MESSAGES = "get-all-messages";
+    private static final String CLEAR_MESSAGES = "clear-messages";
+
+    private final List<Object> messages = new ArrayList<>();
 
     @Override public void onReceive(Object message) throws Exception {
-        if(message instanceof String){
-            if("get-all-messages".equals(message)){
-                getSender().tell(messages, getSelf());
-            }
-        } else {
-            messages.add(message);
+        if(message.equals(ARE_YOU_READY)) {
+            getSender().tell("yes", getSelf());
+            return;
+        }
+
+        if(GET_ALL_MESSAGES.equals(message)) {
+            getSender().tell(new ArrayList<>(messages), getSelf());
+        } else if(CLEAR_MESSAGES.equals(message)) {
+            messages.clear();
+        } else if(message != null) {
+            messages.add(SerializationUtils.fromSerializable(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);
+        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);
+    }
+
+    public static void clearMessages(ActorRef actor) {
+        actor.tell(CLEAR_MESSAGES, ActorRef.noSender());
     }
 
     /**
@@ -54,30 +73,109 @@ 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> List<T> expectMatching(ActorRef actor, Class<T> clazz, int count) {
+        int timeout = 5000;
+        List<T> messages = Collections.emptyList();
+        for(int i = 0; i < timeout / 50; i++) {
+            try {
+                messages = getAllMatching(actor, clazz);
+                if(messages.size() >= count) {
+                    return messages;
+                }
+            } catch (Exception e) {}
+
+            Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+        }
+
+        Assert.fail(String.format("Expected %d messages of type %s. Actual received was %d: %s", count, clazz,
+                messages.size(), messages));
+        return null;
+    }
+
+    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> T expectFirstMatching(ActorRef actor, Class<T> clazz, Predicate<T> matcher) {
+        int timeout = 5000;
+        T lastMessage = null;
+        for(int i = 0; i < timeout / 50; i++) {
+            try {
+                List<T> messages = getAllMatching(actor, clazz);
+                for(T msg: messages) {
+                    if(matcher.apply(msg)) {
+                        return msg;
+                    }
+
+                    lastMessage = msg;
+                }
+            } catch (Exception e) {}
+
+            Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+        }
+
+        Assert.fail(String.format("Expected specific message of type %s. Last message received was: %s", clazz, lastMessage));
+        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);
+    }
 }