content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.kafka.common.requests;
  
  import org.apache.kafka.common.TopicPartition;
  import org.apache.kafka.common.errors.UnsupportedVersionException;
  import org.apache.kafka.common.message.TxnOffsetCommitRequestData.TxnOffsetCommitRequestPartition;
  import org.apache.kafka.common.message.TxnOffsetCommitRequestData.TxnOffsetCommitRequestTopic;
  import org.apache.kafka.common.message.TxnOffsetCommitResponseData;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.protocol.Errors;
  import org.apache.kafka.common.requests.TxnOffsetCommitRequest.CommittedOffset;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Optional;
  
  import static org.apache.kafka.common.requests.TxnOffsetCommitRequest.getErrorResponse;
  import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class TxnOffsetCommitRequestTest extends OffsetCommitRequestTest {
  
      private static final Map<TopicPartition, CommittedOffset> OFFSETS = new HashMap<>();
      private static TxnOffsetCommitRequest.Builder builder;
      private static TxnOffsetCommitRequest.Builder builderWithGroupMetadata;
  
      @BeforeEach
      @Override
      public void setUp() {
          super.setUp();
          OFFSETS.clear();
          OFFSETS.put(new TopicPartition(topicOne, partitionOne),
              new CommittedOffset(
                  offset,
                  metadata,
                  Optional.of((int) leaderEpoch)));
          OFFSETS.put(new TopicPartition(topicTwo, partitionTwo),
              new CommittedOffset(
                  offset,
                  metadata,
                  Optional.of((int) leaderEpoch)));
  
          String transactionalId = "transactionalId";
          int producerId = 10;
          short producerEpoch = 1;
          builder = new TxnOffsetCommitRequest.Builder(
              transactionalId,
              groupId,
              producerId,
              producerEpoch,
              OFFSETS,
              true
          );
  
          int generationId = 5;
          builderWithGroupMetadata = new TxnOffsetCommitRequest.Builder(
              transactionalId,
              groupId,
              producerId,
              producerEpoch,
              OFFSETS,
              memberId,
              generationId,
              Optional.of(groupInstanceId),
              true
          );
      }
  
      @Test
      @Override
      public void testConstructor() {
          Map<TopicPartition, Errors> errorsMap = new HashMap<>();
          errorsMap.put(new TopicPartition(topicOne, partitionOne), Errors.NOT_COORDINATOR);
          errorsMap.put(new TopicPartition(topicTwo, partitionTwo), Errors.NOT_COORDINATOR);
  
          List<TxnOffsetCommitRequestTopic> expectedTopics = Arrays.asList(
              new TxnOffsetCommitRequestTopic()
                  .setName(topicOne)
                  .setPartitions(Collections.singletonList(
                      new TxnOffsetCommitRequestPartition()
                          .setPartitionIndex(partitionOne)
                          .setCommittedOffset(offset)
                          .setCommittedLeaderEpoch(leaderEpoch)
                          .setCommittedMetadata(metadata)
                  )),
              new TxnOffsetCommitRequestTopic()
                  .setName(topicTwo)
                  .setPartitions(Collections.singletonList(
                      new TxnOffsetCommitRequestPartition()
                          .setPartitionIndex(partitionTwo)
                          .setCommittedOffset(offset)
                          .setCommittedLeaderEpoch(leaderEpoch)
                          .setCommittedMetadata(metadata)
                  ))
          );
  
          for (short version : ApiKeys.TXN_OFFSET_COMMIT.allVersions()) {
              final TxnOffsetCommitRequest request;
              if (version < 3) {
                  request = builder.build(version);
              } else {
                  request = builderWithGroupMetadata.build(version);
              }
              assertEquals(OFFSETS, request.offsets());
              assertEquals(expectedTopics, TxnOffsetCommitRequest.getTopics(request.offsets()));
  
              TxnOffsetCommitResponse response =
                  request.getErrorResponse(throttleTimeMs, Errors.NOT_COORDINATOR.exception());
  
              assertEquals(errorsMap, response.errors());
              assertEquals(Collections.singletonMap(Errors.NOT_COORDINATOR, 2), response.errorCounts());
              assertEquals(throttleTimeMs, response.throttleTimeMs());
          }
      }
  
      @Test
      @Override
      public void testGetErrorResponse() {
          TxnOffsetCommitResponseData expectedResponse = new TxnOffsetCommitResponseData()
              .setTopics(Arrays.asList(
                  new TxnOffsetCommitResponseData.TxnOffsetCommitResponseTopic()
                      .setName(topicOne)
                      .setPartitions(Collections.singletonList(
                          new TxnOffsetCommitResponseData.TxnOffsetCommitResponsePartition()
                              .setErrorCode(Errors.UNKNOWN_MEMBER_ID.code())
                              .setPartitionIndex(partitionOne))),
                  new TxnOffsetCommitResponseData.TxnOffsetCommitResponseTopic()
                      .setName(topicTwo)
                      .setPartitions(Collections.singletonList(
                          new TxnOffsetCommitResponseData.TxnOffsetCommitResponsePartition()
                              .setErrorCode(Errors.UNKNOWN_MEMBER_ID.code())
                              .setPartitionIndex(partitionTwo)))));
  
          assertEquals(expectedResponse, getErrorResponse(builderWithGroupMetadata.data, Errors.UNKNOWN_MEMBER_ID));
      }
  
      @Test
      public void testVersionSupportForGroupMetadata() {
          for (short version : ApiKeys.TXN_OFFSET_COMMIT.allVersions()) {
              assertDoesNotThrow(() -> builder.build(version));
              if (version >= 3) {
                  assertDoesNotThrow(() -> builderWithGroupMetadata.build(version));
              } else {
                  assertEquals("Broker doesn't support group metadata commit API on version " + version +
                      ", minimum supported request version is 3 which requires brokers to be on version 2.5 or above.",
                      assertThrows(UnsupportedVersionException.class, () -> builderWithGroupMetadata.build(version)).getMessage());
              }
          }
      }
  }
  