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.coordinator.group.modern;
  
  import org.apache.kafka.common.Uuid;
  import org.apache.kafka.coordinator.group.generated.ConsumerGroupTargetAssignmentMemberValue;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import static org.apache.kafka.coordinator.group.AssignmentTestUtil.mkAssignment;
  import static org.apache.kafka.coordinator.group.AssignmentTestUtil.mkTopicAssignment;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class AssignmentTest {
  
      @Test
      public void testPartitionsCannotBeNull() {
          assertThrows(NullPointerException.class, () -> new Assignment(null));
      }
  
      @Test
      public void testAttributes() {
          Map<Uuid, Set<Integer>> partitions = mkAssignment(
              mkTopicAssignment(Uuid.randomUuid(), 1, 2, 3)
          );
          Assignment assignment = new Assignment(partitions);
          assertEquals(partitions, assignment.partitions());
      }
  
      @Test
      public void testFromTargetAssignmentRecord() {
          Uuid topicId1 = Uuid.randomUuid();
          Uuid topicId2 = Uuid.randomUuid();
  
          List<ConsumerGroupTargetAssignmentMemberValue.TopicPartition> partitions = new ArrayList<>();
          partitions.add(new ConsumerGroupTargetAssignmentMemberValue.TopicPartition()
              .setTopicId(topicId1)
              .setPartitions(Arrays.asList(1, 2, 3)));
          partitions.add(new ConsumerGroupTargetAssignmentMemberValue.TopicPartition()
              .setTopicId(topicId2)
              .setPartitions(Arrays.asList(4, 5, 6)));
  
          ConsumerGroupTargetAssignmentMemberValue record = new ConsumerGroupTargetAssignmentMemberValue()
              .setTopicPartitions(partitions);
  
          Assignment assignment = Assignment.fromRecord(record);
  
          assertEquals(mkAssignment(
              mkTopicAssignment(topicId1, 1, 2, 3),
              mkTopicAssignment(topicId2, 4, 5, 6)
          ), assignment.partitions());
      }
  
      @Test
      public void testEquals() {
          Map<Uuid, Set<Integer>> partitions = mkAssignment(
              mkTopicAssignment(Uuid.randomUuid(), 1, 2, 3)
          );
  
          assertEquals(new Assignment(partitions), new Assignment(partitions));
      }
  }
  