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.cfg;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.concurrent.atomic.AtomicInteger;
  import org.activiti.engine.ActivitiException;
  import org.activiti.engine.ActivitiOptimisticLockingException;
  import org.activiti.engine.ProcessEngine;
  import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
  import org.activiti.engine.impl.cfg.StandaloneInMemProcessEngineConfiguration;
  import org.activiti.engine.impl.interceptor.Command;
  import org.activiti.engine.impl.interceptor.CommandContext;
  import org.activiti.engine.impl.interceptor.CommandInterceptor;
  import org.activiti.engine.impl.interceptor.RetryInterceptor;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   */
  public class RetryInterceptorTest {
  
      protected ProcessEngine processEngine;
  
      protected RetryInterceptor retryInterceptor;
  
      @Before
      public void setupProcessEngine() {
          ProcessEngineConfigurationImpl processEngineConfiguration =
              (ProcessEngineConfigurationImpl) new StandaloneInMemProcessEngineConfiguration();
          processEngineConfiguration.setJdbcUrl("jdbc:h2:mem:retryInterceptorTest");
          List<CommandInterceptor> interceptors = new ArrayList<CommandInterceptor>();
          retryInterceptor = new RetryInterceptor();
          interceptors.add(retryInterceptor);
          processEngineConfiguration.setCustomPreCommandInterceptors(interceptors);
          processEngine = processEngineConfiguration.buildProcessEngine();
      }
  
      @After
      public void shutdownProcessEngine() {
          processEngine.close();
          counter.set(0);
      }
  
      @Test
      public void testRetryInterceptor() {
          assertThatExceptionOfType(ActivitiException.class)
              .isThrownBy(() ->
                  processEngine.getManagementService().executeCommand(new CommandThrowingOptimisticLockingException())
              )
              .withMessageContaining(retryInterceptor.getNumOfRetries() + " retries failed");
  
          assertThat(counter.get()).isEqualTo(retryInterceptor.getNumOfRetries() + 1); // +1, we retry 3 times, so one extra for the regular execution
      }
  
      public static AtomicInteger counter = new AtomicInteger();
  
      protected class CommandThrowingOptimisticLockingException implements Command<Void> {
  
          public Void execute(CommandContext commandContext) {
              counter.incrementAndGet();
  
              throw new ActivitiOptimisticLockingException("");
          }
      }
  }
  