chia7712 commented on code in PR #20375:
URL: https://github.com/apache/kafka/pull/20375#discussion_r2296841359


##########
clients/src/test/java/org/apache/kafka/clients/admin/KafkaAdminClientTest.java:
##########
@@ -11668,4 +11668,26 @@ private static StreamsGroupDescribeResponseData 
makeFullStreamsGroupDescribeResp
             .setAssignmentEpoch(1));
         return data;
     }
+
+    @Test

Review Comment:
   Could you please add `@Timeout(30)` to this unit test?



##########
clients/src/test/java/org/apache/kafka/clients/admin/KafkaAdminClientTest.java:
##########
@@ -11668,4 +11668,26 @@ private static StreamsGroupDescribeResponseData 
makeFullStreamsGroupDescribeResp
             .setAssignmentEpoch(1));
         return data;
     }
+
+    @Test
+    public void testDescribeTopicsTimeoutWhenNoBrokerResponds() throws 
Exception {
+        try (AdminClientUnitTestEnv env = new AdminClientUnitTestEnv(
+            mockCluster(1, 0),
+            AdminClientConfig.RETRIES_CONFIG, "0",
+            AdminClientConfig.REQUEST_TIMEOUT_MS_CONFIG, "30000")) {
+            env.kafkaClient().setNodeApiVersions(NodeApiVersions.create());
+
+            // Not using prepareResponse is equivalent to "no brokers respond".
+            long start = System.currentTimeMillis();
+            DescribeTopicsResult result = 
env.adminClient().describeTopics(Collections.singletonList("test-topic"), new 
DescribeTopicsOptions().timeoutMs(200));
+            Map<String, KafkaFuture<TopicDescription>> topicDescriptionMap = 
result.topicNameValues();
+            KafkaFuture<TopicDescription> topicDescription = 
topicDescriptionMap.get("test-topic");
+            ExecutionException exception = 
assertThrows(ExecutionException.class, () -> topicDescription.get());

Review Comment:
   ```
   assertThrows(ExecutionException.class, topicDescription::get);
   ```



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