leizhiyuan commented on code in PR #16655:
URL: https://github.com/apache/pulsar/pull/16655#discussion_r924474336
##########
pulsar-broker/src/test/java/org/apache/pulsar/client/api/RetryTopicTest.java:
##########
@@ -457,4 +462,58 @@ public void testRetryTopicByCustomTopicName() throws
Exception {
checkConsumer.close();
}
+
+ @Test
+ public void testRetryTopicException() throws Exception {
+ final String topic = "persistent://my-property/my-ns/retry-topic";
+ final int maxRedeliveryCount = 2;
+ final int sendMessages = 1;
+ // subscribe before publish
+ Consumer<byte[]> consumer = pulsarClient.newConsumer(Schema.BYTES)
+ .topic(topic)
+ .subscriptionName("my-subscription")
+ .subscriptionType(SubscriptionType.Shared)
+ .enableRetry(true)
+ .receiverQueueSize(100)
+ .deadLetterPolicy(DeadLetterPolicy.builder()
+ .maxRedeliverCount(maxRedeliveryCount)
+
.retryLetterTopic("persistent://my-property/my-ns/my-subscription-custom-Retry")
+ .build())
+
.subscriptionInitialPosition(SubscriptionInitialPosition.Earliest)
+ .subscribe();
+
+ Producer<byte[]> producer = pulsarClient.newProducer(Schema.BYTES)
+ .topic(topic)
+ .create();
+ for (int i = 0; i < sendMessages; i++) {
+ producer.send(String.format("Hello Pulsar [%d]", i).getBytes());
+ }
+ producer.close();
+
+ // mock a retry producer exception when reconsumelater is called
+ MultiTopicsConsumerImpl multiTopicsConsumer =
(MultiTopicsConsumerImpl) consumer;
+ List<ConsumerImpl> consumers = multiTopicsConsumer.getConsumers();
+ for (ConsumerImpl c : consumers) {
+ Set<Field> deadLetterPolicyField =
+ ReflectionUtils.getAllFields(c.getClass(),
ReflectionUtils.withName("deadLetterPolicy"));
+
+ if (deadLetterPolicyField.size() != 0) {
+ Field field = deadLetterPolicyField.iterator().next();
+ field.setAccessible(true);
+ DeadLetterPolicy deadLetterPolicy = (DeadLetterPolicy)
field.get(c);
+
deadLetterPolicy.setRetryLetterTopic("#persistent://invlaid-topic#");
+ }
+ }
Review Comment:
here I only want to construct an exception, @VisibleForTesting also ok ,but
it seems not necessary
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