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.Uuid;
  import org.apache.kafka.common.message.AlterPartitionRequestData;
  import org.apache.kafka.common.message.AlterPartitionRequestData.BrokerState;
  import org.apache.kafka.common.message.AlterPartitionRequestData.PartitionData;
  import org.apache.kafka.common.message.AlterPartitionRequestData.TopicData;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.utils.annotation.ApiKeyVersionsSource;
  
  import org.junit.jupiter.params.ParameterizedTest;
  
  import java.util.Arrays;
  import java.util.LinkedList;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class AlterPartitionRequestTest {
      Uuid topicId = Uuid.randomUuid();
  
      @ParameterizedTest
      @ApiKeyVersionsSource(apiKey = ApiKeys.ALTER_PARTITION)
      public void testBuildAlterPartitionRequest(short version) {
          AlterPartitionRequestData request = new AlterPartitionRequestData()
              .setBrokerId(1)
              .setBrokerEpoch(1);
  
          TopicData topicData = new TopicData().setTopicId(topicId);
  
          List<BrokerState> newIsrWithBrokerEpoch = new LinkedList<>();
          newIsrWithBrokerEpoch.add(new BrokerState().setBrokerId(1).setBrokerEpoch(1001));
          newIsrWithBrokerEpoch.add(new BrokerState().setBrokerId(2).setBrokerEpoch(1002));
          newIsrWithBrokerEpoch.add(new BrokerState().setBrokerId(3).setBrokerEpoch(1003));
  
          topicData.partitions().add(new PartitionData()
              .setPartitionIndex(0)
              .setLeaderEpoch(1)
              .setPartitionEpoch(10)
              .setNewIsrWithEpochs(newIsrWithBrokerEpoch));
  
          request.topics().add(topicData);
  
          AlterPartitionRequest.Builder builder = new AlterPartitionRequest.Builder(request);
          AlterPartitionRequest alterPartitionRequest = builder.build(version);
          assertEquals(1, alterPartitionRequest.data().topics().size());
          assertEquals(1, alterPartitionRequest.data().topics().get(0).partitions().size());
          PartitionData partitionData = alterPartitionRequest.data().topics().get(0).partitions().get(0);
          if (version < 3) {
              assertEquals(Arrays.asList(1, 2, 3), partitionData.newIsr());
              assertTrue(partitionData.newIsrWithEpochs().isEmpty());
          } else {
              assertEquals(newIsrWithBrokerEpoch, partitionData.newIsrWithEpochs());
              assertTrue(partitionData.newIsr().isEmpty());
          }
  
          // Build the request again to make sure build() is idempotent.
          alterPartitionRequest = builder.build(version);
          assertEquals(1, alterPartitionRequest.data().topics().size());
          assertEquals(1, alterPartitionRequest.data().topics().get(0).partitions().size());
          alterPartitionRequest.data().topics().get(0).partitions().get(0);
          if (version < 3) {
              assertEquals(Arrays.asList(1, 2, 3), partitionData.newIsr());
              assertTrue(partitionData.newIsrWithEpochs().isEmpty());
          } else {
              assertEquals(newIsrWithBrokerEpoch, partitionData.newIsrWithEpochs());
              assertTrue(partitionData.newIsr().isEmpty());
          }
      }
  }
  