Fixed logic of test PersistentTopicE2ETest.testMessageRedelivery

Fixes #41

pulsar-broker/src/test/java/com/yahoo/pulsar/broker/service/PersistentTopicE2ETest.java

@@ -1073,49 +1073,28 @@ public void testPayloadCorruptionDetection() throws Exception {
             assertEquals(new String(msg.getData()), "message-1");
         }
     }
-    
+
     /**
      * Verify: Broker should not replay already acknowledged messages again and should clear them from messageReplay bucket
-     * 
+     *
      * 1. produce messages
      * 2. consume messages and ack all except 1 msg
-     * 3. add already acked messages to PersistentDispatcherMultipleConsumers.messagesToReplay bucket
-     * 4. replay messages present into messagesToReplay bucket
-     * 5. Verification
-     *  a. should replay only 1 unacked message
-     *  b. messagesToReplay should not have previously added acked messages
-     * 
-     * 
-     * 
-     * @throws Exception
+     * 3. Verification: should replay only 1 unacked message
      */
-    @Test
-    public void testMessageReplay() throws Exception {
-
+    @Test()
+    public void testMessageRedelivery() throws Exception {
         final String topicName = "persistent://prop/use/ns-abc/topic2";
         final String subName = "sub2";
 
         Message msg;
         int totalMessages = 10;
-        int replayIndex = totalMessages / 2;
 
         ConsumerConfiguration conf = new ConsumerConfiguration();
         conf.setSubscriptionType(SubscriptionType.Shared);
 
         Consumer consumer = pulsarClient.subscribe(topicName, subName, conf);
         Producer producer = pulsarClient.createProducer(topicName);
 
-        PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
-        assertNotNull(topicRef);
-        PersistentSubscription subRef = topicRef.getPersistentSubscription(subName);
-        PersistentDispatcherMultipleConsumers dispatcher = (PersistentDispatcherMultipleConsumers) subRef
-                .getDispatcher();
-        Field replayMap = PersistentDispatcherMultipleConsumers.class.getDeclaredField("messagesToReplay");
-        replayMap.setAccessible(true);
-        TreeSet<PositionImpl> messagesToReplay = Sets.newTreeSet();
-
-        assertNotNull(subRef);
-
         // (1) Produce messages
         for (int i = 0; i < totalMessages; i++) {
             String message = "my-message-" + i;
@@ -1130,41 +1109,25 @@ public void testMessageReplay() throws Exception {
                 unAckedMsg = msg;
             } else {
                 consumer.acknowledge(msg);
-                MessageIdImpl msgId = (MessageIdImpl) msg.getMessageId();
-                if (i < replayIndex) {
-                    // (3) accumulate acked messages for replay
-                    messagesToReplay.add(new PositionImpl(msgId.getLedgerId(), msgId.getEntryId()));
-                }
             }
         }
 
-        /**
-         * 1. Now: ManagedCursorImpl.individualDeletedMessages => (L:0,L9] 
-         * 2. dispatcher.redeliverUnacknowledgedMessages replays => unackMsg (L:0) + position presents into messagesToReplay 
-         * 3. ManagedCursorImpl.asyncReplayEntries will skip replays for already acked messages and those will be deleted 
-         * from messagesToReplay 
-         * 4. Verify: 
-         *  A. dispatcher redelivers msg [L:0] and deletes [L:0] from messagesToReplay bucket 
-         *  B. messagesToReplay must be empty
-         */
-        assertEquals(replayIndex - 1, messagesToReplay.size());
-        replayMap.set(dispatcher, messagesToReplay);
-        //(4) redeliver : replay-msg + unAcked-msg
-        dispatcher.redeliverUnacknowledgedMessages(dispatcher.getConsumers().get(0));
-
-        // Verify: [4.A]  msg [L:0] must be redelivered
+        consumer.redeliverUnacknowledgedMessages();
+
+        // Verify: msg [L:0] must be redelivered
         try {
             msg = consumer.receive(1, TimeUnit.SECONDS);
-            assertEquals(msg.getData(), unAckedMsg.getData());
+            assertEquals(new String(msg.getData()), new String(unAckedMsg.getData()));
         } catch (Exception e) {
             fail("msg should be redelivered ", e);
         }
 
-        // Verify: [4.B]  messagesToReplay must be empty
-        assertEquals(messagesToReplay.size(), 0);
+        // Verify no other messages are redelivered
+        msg = consumer.receive(100, TimeUnit.MILLISECONDS);
+        assertNull(msg);
 
         consumer.close();
         producer.close();
     }
-    
+
 }