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.share;
  
  import org.apache.kafka.common.Uuid;
  import org.apache.kafka.coordinator.group.modern.Assignment;
  import org.apache.kafka.coordinator.group.modern.MemberState;
  
  import org.junit.jupiter.api.Test;
  
  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;
  
  public class ShareGroupAssignmentBuilderTest {
  
      @Test
      public void testStableToStable() {
          Uuid topicId1 = Uuid.randomUuid();
          Uuid topicId2 = Uuid.randomUuid();
  
          ShareGroupMember member = new ShareGroupMember.Builder("member")
              .setState(MemberState.STABLE)
              .setMemberEpoch(10)
              .setPreviousMemberEpoch(10)
              .setAssignedPartitions(mkAssignment(
                  mkTopicAssignment(topicId1, 1, 2, 3),
                  mkTopicAssignment(topicId2, 4, 5, 6)))
              .build();
  
          ShareGroupMember updatedMember = new ShareGroupAssignmentBuilder(member)
              .withTargetAssignment(11, new Assignment(mkAssignment(
                  mkTopicAssignment(topicId1, 1, 2, 3),
                  mkTopicAssignment(topicId2, 4, 5, 6))))
              .build();
  
          assertEquals(
              new ShareGroupMember.Builder("member")
                  .setState(MemberState.STABLE)
                  .setMemberEpoch(11)
                  .setPreviousMemberEpoch(10)
                  .setAssignedPartitions(mkAssignment(
                      mkTopicAssignment(topicId1, 1, 2, 3),
                      mkTopicAssignment(topicId2, 4, 5, 6)))
                  .build(),
              updatedMember
          );
      }
  
      @Test
      public void testStableToStableWithNewPartitions() {
          Uuid topicId1 = Uuid.randomUuid();
          Uuid topicId2 = Uuid.randomUuid();
  
          ShareGroupMember member = new ShareGroupMember.Builder("member")
              .setState(MemberState.STABLE)
              .setMemberEpoch(10)
              .setPreviousMemberEpoch(10)
              .setAssignedPartitions(mkAssignment(
                  mkTopicAssignment(topicId1, 1, 2, 3),
                  mkTopicAssignment(topicId2, 4, 5, 6)))
              .build();
  
          ShareGroupMember updatedMember = new ShareGroupAssignmentBuilder(member)
              .withTargetAssignment(11, new Assignment(mkAssignment(
                  mkTopicAssignment(topicId1, 1, 2, 3, 4),
                  mkTopicAssignment(topicId2, 4, 5, 6, 7))))
              .build();
  
          assertEquals(
              new ShareGroupMember.Builder("member")
                  .setState(MemberState.STABLE)
                  .setMemberEpoch(11)
                  .setPreviousMemberEpoch(10)
                  .setAssignedPartitions(mkAssignment(
                      mkTopicAssignment(topicId1, 1, 2, 3, 4),
                      mkTopicAssignment(topicId2, 4, 5, 6, 7)))
                  .build(),
              updatedMember
          );
      }
  }
  