FrankYang0529 commented on code in PR #18198:
URL: https://github.com/apache/kafka/pull/18198#discussion_r4172572410
##########
tools/src/test/java/org/apache/kafka/tools/consumer/ConsoleConsumerTest.java:
##########
@@ -411,6 +418,34 @@ public void
testGroupMetadataMessageFormatter(ClusterInstance cluster) throws Ex
}
}
+ @ClusterTest(serverProperties = {
+ @ClusterConfigProperty(key = OFFSETS_TOPIC_PARTITIONS_CONFIG, value =
"1"),
+ @ClusterConfigProperty(key = OFFSETS_TOPIC_REPLICATION_FACTOR_CONFIG,
value = "1")
+ })
+ public void
testGroupMetadataMessageFormatterWithConsumerGroupProtocol(ClusterInstance
cluster) throws Exception {
+ cluster.createTopic(topic, 1, (short) 1);
+ produceMessages(cluster);
+
+ String[] groupMetadataMessageFormatter =
createConsoleConsumerArgs(cluster,
+ Topic.GROUP_METADATA_TOPIC_NAME,
+ "org.apache.kafka.tools.consumer.GroupMetadataMessageFormatter");
+
+ ConsoleConsumerOptions options = new
ConsoleConsumerOptions(groupMetadataMessageFormatter);
+ ConsoleConsumer.ConsumerWrapper consumerWrapper =
+ new ConsoleConsumer.ConsumerWrapper(options,
createGroupMetadataConsumer(cluster, GroupProtocol.CONSUMER));
+
+ try (ByteArrayOutputStream out = new ByteArrayOutputStream();
+ PrintStream output = new PrintStream(out)) {
+ ConsoleConsumer.process(1, options.formatter(), consumerWrapper,
output, true);
+
+ JsonNode jsonNode =
objectMapper.reader().readTree(out.toByteArray());
+ // Consumer group protocol does not write GROUP_METADATA records,
so the result is empty
Review Comment:
Create a PR for it. Thanks for the review.
https://github.com/apache/kafka/pull/23683
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