summeriiii commented on code in PR #23305:
URL: https://github.com/apache/pulsar/pull/23305#discussion_r1766252524
##########
pulsar-broker/src/test/java/org/apache/pulsar/client/api/NonDurableSubscriptionTest.java:
##########
@@ -256,6 +256,57 @@ public void
testNonDurableSubscriptionRecovery(SubscriptionType subscriptionType
}
+ @Test
+ public void testNonDurableSubscriptionBackLogAfterTopicUnload() throws
Exception {
+ String topicName =
"persistent://my-property/my-ns/nonDurable-sub-test";
+ String subName = "test-sub";
+
+ admin.topics().createNonPartitionedTopic(topicName);
+ Producer<byte[]> producer =
pulsarClient.newProducer().topic(topicName).create();
+
+ Consumer<byte[]> consumer = pulsarClient.newConsumer()
+ .topic(topicName)
+ .subscriptionName(subName)
+ .subscriptionMode(SubscriptionMode.NonDurable).subscribe();
+
+ // 1. send message
+ for (int i = 0; i < 10; i++) {
+ String message = "my-message-" + i;
+ producer.send(message.getBytes());
+ }
+ producer.close();
+
+
assertEquals(admin.topics().getStats(topicName).getSubscriptions().get(subName).getMsgBacklog(),
10);
+
+ // 2. receive the message
+ Thread t = new Thread(() -> {
+ while (true) {
+ Message<byte[]> msg;
+ try {
+ msg = consumer.receive();
+ consumer.acknowledge(msg);
+ } catch (PulsarClientException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ });
+ t.start();
Review Comment:
done
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