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.validation.validator.impl;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  import org.activiti.bpmn.model.BpmnModel;
  import org.activiti.bpmn.model.Process;
  import org.activiti.bpmn.model.ServiceTask;
  import org.activiti.validation.ProcessValidatorImpl;
  import org.activiti.validation.validator.ValidatorSet;
  import org.activiti.validation.validator.ValidatorSetNames;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class ServiceTaskValidatorTest {
  
      ValidatorSet validatorSet = new ValidatorSet(ValidatorSetNames.ACTIVITI_EXECUTABLE_PROCESS);
      ProcessValidatorImpl validator = new ProcessValidatorImpl();
  
      @BeforeEach
      void setUp() {
          validatorSet.addValidator(new ServiceTaskValidator());
          validator.addValidatorSet(validatorSet);
      }
  
      @Test
      public void executeValidationShouldRiseErrorsForEmptyServiceTask() {
          //given
          Process process = new Process();
          process.addFlowElement(new ServiceTask());
          BpmnModel bpmnModel = new BpmnModel();
          bpmnModel.addProcess(process);
  
          //when
          var errors = validator.validate(bpmnModel);
  
          //then
          assertThat(errors).hasSize(1);
          assertThat(errors.get(0).getProblem()).isEqualTo("activiti-servicetask-missing-implementation");
          assertThat(errors.get(0).getDefaultDescription()).isEqualTo(
              "One of the attributes 'implementation', 'class', 'delegateExpression', 'type', 'operation', or 'expression' is mandatory on serviceTask."
          );
      }
  
      @Test
      public void executeValidationShouldNotRiseErrorsForServiceTasksSettingOnlyTheImplementation() {
          //given
          Process process = new Process();
          ServiceTask serviceTask = new ServiceTask();
          serviceTask.setImplementation("myImpl");
          process.addFlowElement(serviceTask);
          BpmnModel bpmnModel = new BpmnModel();
          bpmnModel.addProcess(process);
  
          //when
          var errors = validator.validate(bpmnModel);
  
          //then
          assertThat(errors).as("No error is expected: the default behavior will be used").isEmpty();
      }
  }
  