content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.apache.camel.component.mail;
  
  import jakarta.mail.Folder;
  import jakarta.mail.Message;
  import jakarta.mail.Store;
  import jakarta.mail.internet.MimeMessage;
  
  import org.apache.camel.ShutdownRunningTask;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mail.Mailbox.MailboxUser;
  import org.apache.camel.component.mail.Mailbox.Protocol;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Unit test for shutdown.
   */
  public class MailShutdownCompleteCurrentTaskOnlyTest extends CamelTestSupport {
      private static final MailboxUser jones = Mailbox.getOrCreateUser("jones", "secret");
  
      @Override
      public void doPreSetup() throws Exception {
          prepareMailbox();
      }
  
      @Test
      public void testShutdownCompleteCurrentTaskOnly() throws Exception {
          // give it 20 seconds to shutdown
          context.getShutdownStrategy().setTimeout(20);
  
          MockEndpoint bar = getMockEndpoint("mock:bar");
          bar.expectedMinimumMessageCount(1);
          bar.setResultWaitTime(3000);
  
          MockEndpoint.assertIsSatisfied(context);
  
          // shutdown during processing
          context.stop();
  
          // should NOT route all 5
          assertTrue(bar.getReceivedCounter() < 5, "Should NOT complete all messages, was: " + bar.getReceivedCounter());
      }
  
      private void prepareMailbox() throws Exception {
          // connect to mailbox
          Mailbox.clearAll();
          JavaMailSender sender = new DefaultJavaMailSender();
          Store store = sender.getSession().getStore("imap");
          store.connect("localhost", Mailbox.getPort(Protocol.imap), jones.getLogin(), jones.getPassword());
          Folder folder = store.getFolder("INBOX");
          folder.open(Folder.READ_WRITE);
          folder.expunge();
  
          // inserts 8 new messages
          Message[] messages = new Message[5];
          for (int i = 0; i < 5; i++) {
              messages[i] = new MimeMessage(sender.getSession());
              messages[i].setText("Message " + i);
              messages[i].setHeader("Message-ID", Integer.toString(i));
          }
          folder.appendMessages(messages);
          folder.close(true);
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  from(jones.uriPrefix(Protocol.pop3) + "&initialDelay=100&delay=100").routeId("route1")
                          // let it complete only current task so we shutdown faster
                          .shutdownRunningTask(ShutdownRunningTask.CompleteCurrentTaskOnly)
                          .delay(1000).to("seda:foo");
  
                  from("seda:foo").routeId("route2").to("mock:bar");
              }
          };
      }
  
  }
  