content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * Licensed 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.activiti.engine.test.api.task;
  
  import static java.util.Collections.singletonList;
  import static org.assertj.core.api.Assertions.assertThat;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  import org.activiti.engine.history.HistoricTaskInstance;
  import org.activiti.engine.impl.test.PluggableActivitiTestCase;
  import org.activiti.engine.runtime.ProcessInstance;
  import org.activiti.engine.task.Task;
  import org.activiti.engine.test.Deployment;
  
  /**
  
   */
  public class DelegateTaskTest extends PluggableActivitiTestCase {
  
      /**
       * @see <a href="https://activiti.atlassian.net/browse/ACT-380">https://activiti.atlassian.net/browse/ACT-380</a>
       */
      @Deployment
      public void testGetCandidates() {
          runtimeService.startProcessInstanceByKey("DelegateTaskTest.testGetCandidates");
  
          Task task = taskService.createTaskQuery().singleResult();
          assertThat(task).isNotNull();
  
          @SuppressWarnings("unchecked")
          Set<String> candidateUsers = (Set<String>) taskService.getVariable(
              task.getId(),
              DelegateTaskTestTaskListener.VARNAME_CANDIDATE_USERS
          );
          assertThat(candidateUsers).hasSize(2);
          assertThat(candidateUsers.contains("kermit")).isTrue();
          assertThat(candidateUsers.contains("gonzo")).isTrue();
  
          @SuppressWarnings("unchecked")
          Set<String> candidateGroups = (Set<String>) taskService.getVariable(
              task.getId(),
              DelegateTaskTestTaskListener.VARNAME_CANDIDATE_GROUPS
          );
          assertThat(candidateGroups).hasSize(2);
          assertThat(candidateGroups.contains("management")).isTrue();
          assertThat(candidateGroups.contains("accountancy")).isTrue();
      }
  
      @Deployment
      public void testChangeCategoryInDelegateTask() {
          // Start process instance
          Map<String, Object> variables = new HashMap<String, Object>();
          variables.put("approvers", singletonList("kermit")); // , "gonzo", "mispiggy"));
          ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("delegateTaskTest", variables);
  
          // Assert there are three tasks with the default category
          List<Task> tasks = taskService.createTaskQuery().processInstanceId(processInstance.getId()).list();
          for (Task task : tasks) {
              assertThat(task.getCategory()).isEqualTo("approval");
              Map<String, Object> taskVariables = new HashMap<String, Object>();
              taskVariables.put("outcome", "approve");
              taskService.complete(task.getId(), taskVariables, true);
          }
  
          // After completion, the task category should be changed in the script
          // listener working on the delegate task
          assertThat(taskService.createTaskQuery().processInstanceId(processInstance.getId()).count()).isEqualTo(0);
          for (HistoricTaskInstance historicTaskInstance : historyService.createHistoricTaskInstanceQuery().list()) {
              assertThat(historicTaskInstance.getCategory()).isEqualTo("approved");
          }
      }
  }
  