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.examples.bpmn.tasklistener;
  
  import static java.util.Arrays.asList;
  import static org.assertj.core.api.Assertions.assertThat;
  
  import java.util.HashMap;
  import java.util.Map;
  import org.activiti.engine.impl.test.PluggableActivitiTestCase;
  import org.activiti.engine.task.Task;
  import org.activiti.engine.test.Deployment;
  
  /**
  
  
  
   */
  public class CustomTaskAssignmentTest extends PluggableActivitiTestCase {
  
      @Deployment
      public void testCandidateGroupAssignment() {
          runtimeService.startProcessInstanceByKey("customTaskAssignment");
          assertThat(taskService.createTaskQuery().taskCandidateGroup("management").count()).isEqualTo(1);
          assertThat(taskService.createTaskQuery().taskCandidateUser("kermit", asList("management")).count()).isEqualTo(
              1
          );
          assertThat(taskService.createTaskQuery().taskCandidateUser("fozzie", null).count()).isEqualTo(0);
      }
  
      @Deployment
      public void testCandidateUserAssignment() {
          runtimeService.startProcessInstanceByKey("customTaskAssignment");
          assertThat(taskService.createTaskQuery().taskCandidateUser("kermit", null).count()).isEqualTo(1);
          assertThat(taskService.createTaskQuery().taskCandidateUser("fozzie", null).count()).isEqualTo(1);
          assertThat(taskService.createTaskQuery().taskCandidateUser("gonzo", null).count()).isEqualTo(0);
      }
  
      @Deployment
      public void testAssigneeAssignment() {
          runtimeService.startProcessInstanceByKey("setAssigneeInListener");
          assertThat(taskService.createTaskQuery().taskAssignee("kermit").singleResult()).isNotNull();
          assertThat(taskService.createTaskQuery().taskAssignee("fozzie").count()).isEqualTo(0);
          assertThat(taskService.createTaskQuery().taskAssignee("gonzo").count()).isEqualTo(0);
      }
  
      @Deployment
      public void testOverwriteExistingAssignments() {
          runtimeService.startProcessInstanceByKey("overrideAssigneeInListener");
          assertThat(taskService.createTaskQuery().taskAssignee("kermit").singleResult()).isNotNull();
          assertThat(taskService.createTaskQuery().taskAssignee("fozzie").count()).isEqualTo(0);
          assertThat(taskService.createTaskQuery().taskAssignee("gonzo").count()).isEqualTo(0);
      }
  
      @Deployment
      public void testOverwriteExistingAssignmentsFromVariable() {
          // prepare variables
          Map<String, String> assigneeMappingTable = new HashMap<String, String>();
          assigneeMappingTable.put("fozzie", "gonzo");
  
          Map<String, Object> variables = new HashMap<String, Object>();
          variables.put("assigneeMappingTable", assigneeMappingTable);
  
          // start process instance
          runtimeService.startProcessInstanceByKey("customTaskAssignment", variables);
  
          // check task lists
          assertThat(taskService.createTaskQuery().taskAssignee("gonzo").singleResult()).isNotNull();
          assertThat(taskService.createTaskQuery().taskAssignee("fozzie").count()).isEqualTo(0);
          assertThat(taskService.createTaskQuery().taskAssignee("kermit").count()).isEqualTo(0);
      }
  
      @Deployment
      public void testReleaseTask() throws Exception {
          runtimeService.startProcessInstanceByKey("releaseTaskProcess");
  
          Task task = taskService.createTaskQuery().taskAssignee("fozzie").singleResult();
          assertThat(task).isNotNull();
          String taskId = task.getId();
  
          // Set assignee to null
          taskService.setAssignee(taskId, null);
  
          task = taskService.createTaskQuery().taskAssignee("fozzie").singleResult();
          assertThat(task).isNull();
  
          task = taskService.createTaskQuery().taskId(taskId).singleResult();
          assertThat(task).isNotNull();
          assertThat(task.getAssignee()).isNull();
      }
  }
  