mattisonchao commented on code in PR #15852:
URL: https://github.com/apache/pulsar/pull/15852#discussion_r886403707
##########
pulsar-broker/src/test/java/org/apache/pulsar/client/impl/ZeroQueueSizeTest.java:
##########
@@ -546,4 +548,48 @@ public void testPauseAndResumeNoReconnection() throws
Exception {
assertEquals(receivedMessages.get(i).intValue(), i);
}
}
+
+ @Test(timeOut = 30000)
+ public void testReceiveAsyncWhenUnloadTopic() throws
PulsarClientException, ExecutionException, InterruptedException,
PulsarAdminException {
+ final String topicName = "persistent://prop/cluster/namespace/topic-"
+ UUID.randomUUID();
+ int messageNumber = 500;
+ List<MessageId> messages = Collections.synchronizedList(new
ArrayList<>());
+ @Cleanup
+ Consumer<byte[]> subscribe = pulsarClient.newConsumer()
+ .topic(topicName)
+ .subscriptionName("sub-11")
+ .subscriptionType(SubscriptionType.Shared)
+ .receiverQueueSize(0)
+ .consumerName("con-11")
+ .subscribe();
+
+ @Cleanup
+ Producer<byte[]> producer = pulsarClient.newProducer()
+ .enableBatching(false)
+ .messageRoutingMode(MessageRoutingMode.RoundRobinPartition)
+ .topic(topicName).create();
+ for (int i = 0; i < messageNumber; i++) {
+ MessageId msgId = producer.newMessage()
+
.value(UUID.randomUUID().toString().getBytes(StandardCharsets.UTF_8))
+ .send();
+ messages.add(msgId);
+ }
+
+ boolean isUnload = false;
+ do {
+ Message<byte[]> message;
+ try {
+ message = subscribe.receiveAsync().get(5, TimeUnit.SECONDS);
+ if (message != null) {
+ subscribe.acknowledge(message);
+ messages.remove(message.getMessageId());
+ }
+ } catch (TimeoutException e) {
+ }
+ if (!isUnload) {
+ admin.topics().unload(topicName);
+ isUnload = true;
+ }
+ } while (messages.size() != 0);
Review Comment:
Got it!
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