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.logging.mdc;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  
  import ch.qos.logback.classic.Logger;
  import ch.qos.logback.classic.LoggerContext;
  import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
  import org.activiti.engine.impl.test.PluggableActivitiTestCase;
  import org.activiti.engine.logging.LogMDC;
  import org.activiti.engine.test.Deployment;
  import org.slf4j.LoggerFactory;
  
  public class MDCLoggingTest extends PluggableActivitiTestCase {
  
      private Logger rootLogger = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
  
      MemoryLogAppender console = new MemoryLogAppender();
  
      private void setCustomLogger() {
          LoggerContext loggerContext = rootLogger.getLoggerContext();
          // we are not interested in auto-configuration
          loggerContext.reset();
  
          String PATTERN =
              "Modified Log *** ProcessDefinitionId=%X{mdcProcessDefinitionID} executionId=%X{mdcExecutionId} mdcProcessInstanceID=%X{mdcProcessInstanceID} mdcBusinessKey=%X{mdcBusinessKey} mdcTaskId=%X{mdcTaskId}  %m%n";
  
          PatternLayoutEncoder encoder = new PatternLayoutEncoder();
          encoder.setContext(loggerContext);
          encoder.setPattern(PATTERN);
          encoder.start();
  
          console.setContext(loggerContext);
          console.setEncoder(encoder);
          console.start();
  
          console.setEncoder(encoder);
          console.setName("MemoryAppender");
  
          rootLogger.addAppender(console);
  
          LogMDC.setMDCEnabled(true);
      }
  
      private void unsetCustomLogger() {
          rootLogger.detachAppender(console);
      }
  
      @Deployment
      public void testLogger() {
          setCustomLogger();
  
          assertThatExceptionOfType(Exception.class).isThrownBy(() ->
              runtimeService.startProcessInstanceByKey("testLoggerProcess")
          );
          String messages = console.toString();
  
          assertThat(messages.contains("ProcessDefinitionId=" + TestService.processDefinitionId)).isTrue();
          assertThat(messages.contains("executionId=" + TestService.executionId)).isTrue();
          assertThat(messages.contains("mdcProcessInstanceID=" + TestService.processInstanceId)).isTrue();
          assertThat(
              messages.contains("mdcBusinessKey=" + (TestService.businessKey == null ? "" : TestService.businessKey))
          ).isTrue();
          console.clear();
          unsetCustomLogger();
  
          assertThatExceptionOfType(Exception.class).isThrownBy(() ->
              runtimeService.startProcessInstanceByKey("testLoggerProcess")
          );
          assertThat(console.toString().contains("ProcessDefinitionId=" + TestService.processDefinitionId)).isFalse();
      }
  }
  