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.streams;
  
  import org.apache.kafka.coordinator.group.streams.assignor.GroupAssignment;
  import org.apache.kafka.coordinator.group.streams.assignor.GroupSpec;
  import org.apache.kafka.coordinator.group.streams.assignor.MemberAssignment;
  import org.apache.kafka.coordinator.group.streams.assignor.TaskAssignor;
  import org.apache.kafka.coordinator.group.streams.assignor.TaskAssignorException;
  import org.apache.kafka.coordinator.group.streams.assignor.TopologyDescriber;
  
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.stream.Collectors;
  
  public class MockTaskAssignor implements TaskAssignor {
  
      private final String name;
      private GroupAssignment preparedGroupAssignment = null;
      private Map<String, String> assignmentConfigs = Map.of();
  
      public MockTaskAssignor(String name) {
          this.name = name;
      }
  
      public void prepareGroupAssignment(GroupAssignment prepareGroupAssignment) {
          this.preparedGroupAssignment = prepareGroupAssignment;
      }
  
      public void prepareGroupAssignment(Map<String, TasksTuple> memberAssignments) {
          this.preparedGroupAssignment =
              new GroupAssignment(memberAssignments.entrySet().stream().collect(
                  Collectors.toMap(
                      Entry::getKey,
                      entry -> {
                          TasksTuple tasksTuple = entry.getValue();
                          return new MemberAssignment(
                              tasksTuple.activeTasks(), tasksTuple.standbyTasks(), tasksTuple.warmupTasks());
                      })));
      }
  
      public Map<String, String> lastPassedAssignmentConfigs() {
          return assignmentConfigs;
      }
  
      @Override
      public String name() {
          return name;
      }
  
      @Override
      public GroupAssignment assign(final GroupSpec groupSpec, final TopologyDescriber topologyDescriber)
          throws TaskAssignorException {
          assignmentConfigs = groupSpec.assignmentConfigs();
          return preparedGroupAssignment;
      }
  }
  