chia7712 commented on code in PR #16136:
URL: https://github.com/apache/kafka/pull/16136#discussion_r1635282686


##########
clients/src/main/java/org/apache/kafka/clients/admin/KafkaAdminClient.java:
##########
@@ -2404,14 +2404,16 @@ void handleFailure(Throwable throwable) {
 
     private TopicDescription 
getTopicDescriptionFromDescribeTopicsResponseTopic(
         DescribeTopicPartitionsResponseTopic topic,
-        Map<Integer, Node> nodes
+        Map<Integer, Node> nodes,
+        boolean includeAuthorizedOperations
     ) {
         List<DescribeTopicPartitionsResponsePartition> partitionInfos = 
topic.partitions();
         List<TopicPartitionInfo> partitions = new 
ArrayList<>(partitionInfos.size());
         for (DescribeTopicPartitionsResponsePartition partitionInfo : 
partitionInfos) {
             
partitions.add(DescribeTopicPartitionsResponse.partitionToTopicPartitionInfo(partitionInfo,
 nodes));
         }
-        return new TopicDescription(topic.name(), topic.isInternal(), 
partitions, validAclOperations(topic.topicAuthorizedOperations()), 
topic.topicId());
+        Set<AclOperation> authorisedOperations = includeAuthorizedOperations ? 
validAclOperations(topic.topicAuthorizedOperations()) : null;

Review Comment:
   Pardon me, why we  don't make `DescribeTopicPartitionsRequest` support 
`IncludeAuthorizedOperations` (similar to `MetadataRequest`, 
`DescribeGroupsRequest,` and `ConsumerGroupDescribeRequest`)? 



##########
clients/src/test/java/org/apache/kafka/clients/admin/KafkaAdminClientTest.java:
##########
@@ -1464,13 +1464,50 @@ public void 
testDescribeTopicsWithDescribeTopicPartitionsApiBasic() {
                 assertEquals(0, 
topicDescription.partitions().get(0).partition());
                 assertEquals(1, 
topicDescription.partitions().get(1).partition());
                 topicDescription = topicDescriptions.get(topicName1);
+                assertNull(topicDescription.authorizedOperations());
                 assertEquals(1, topicDescription.partitions().size());
             } catch (Exception e) {
                 fail("describe using DescribeTopics API should not fail", e);
             }
         }
     }
 
+    @Test
+    public void testDescribeTopicPartitionsApiWithAuthorizedOps() throws 
ExecutionException, InterruptedException {
+        try (AdminClientUnitTestEnv env = mockClientEnv()) {
+            env.kafkaClient().setNodeApiVersions(NodeApiVersions.create());
+            String topicName0 = "test-0";
+            Uuid topicId =  Uuid.randomUuid();
+
+            int authorisedOperations = 
Utils.to32BitField(Utils.mkSet(AclOperation.DESCRIBE.code(), 
AclOperation.ALTER.code()));
+            env.kafkaClient().prepareResponse(
+                    prepareDescribeClusterResponse(0,
+                            env.cluster().nodes(),
+                            env.cluster().clusterResource().clusterId(),
+                            2,
+                            authorisedOperations)
+            );
+
+            DescribeTopicPartitionsResponseData responseData = new 
DescribeTopicPartitionsResponseData();
+            responseData.topics().add(new 
DescribeTopicPartitionsResponseTopic()
+                    .setErrorCode((short) 0)
+                    .setTopicId(topicId)
+                    .setName(topicName0)
+                    .setIsInternal(false)
+                    .setTopicAuthorizedOperations(authorisedOperations));
+            env.kafkaClient().prepareResponse(new 
DescribeTopicPartitionsResponse(responseData));
+
+            DescribeTopicsResult result = env.adminClient().describeTopics(
+                    singletonList(topicName0), new 
DescribeTopicsOptions().includeAuthorizedOperations(true)
+            );
+
+            Map<String, TopicDescription> topicDescriptions = 
result.allTopicNames().get();
+            TopicDescription topicDescription = 
topicDescriptions.get(topicName0);
+            assertEquals(new HashSet<>(asList(AclOperation.DESCRIBE, 
AclOperation.ALTER)),

Review Comment:
   This test case is great. It tests the case that server returns 
`topicAuthorizedOperations` and `includeAuthorizedOperations=true`. 
   
   However, it seems to me the issue is that we don't filter 
`topicAuthorizedOperations` out when `includeAuthorizedOperations=false`. Other 
test cases having `assertNull(topicDescription.authorizedOperations())` don't 
prepare `topicAuthorizedOperations` to response so the scenario is different to 
the issue. 



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