TaiJuWu commented on code in PR #17165:
URL: https://github.com/apache/kafka/pull/17165#discussion_r1757861442
##########
clients/src/test/java/org/apache/kafka/clients/consumer/KafkaConsumerTest.java:
##########
@@ -3443,6 +3443,33 @@ public void testPreventMultiThread(GroupProtocol
groupProtocol) throws Interrupt
}
}
+ @ParameterizedTest
+ @EnumSource(value = GroupProtocol.class)
+ public void testPollSendRequestForRebalance(GroupProtocol groupProtocol)
throws InterruptedException {
+ ConsumerMetadata metadata = createMetadata(subscription);
+ MockClient client = new MockClient(time, metadata);
+ initMetadata(client, Collections.singletonMap(topic, 1));
+ Node node = metadata.fetch().nodes().get(0);
+
+
client.prepareResponseFrom(FindCoordinatorResponse.prepareResponse(Errors.NONE,
groupId, node), node);
+ KafkaConsumer<String, String> consumer = newConsumer(groupProtocol,
time, client, subscription, metadata,
+ assignor, true, groupInstanceId);
+ consumer.subscribe(singletonList(topic));
Review Comment:
Maybe we need to make `application thread`sleep here to make sure `network
thread` does not send join request.
WDYT?
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