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 java.util.concurrent.TimeUnit;
  
  import jakarta.mail.Folder;
  import jakarta.mail.Message;
  import jakarta.mail.Store;
  import jakarta.mail.internet.MimeMessage;
  
  import org.apache.camel.BindToRegistry;
  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.support.processor.idempotent.MemoryIdempotentRepository;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.awaitility.Awaitility;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   * Unit test for idempotent repository.
   */
  public class MailIdempotentRepositoryTest extends CamelTestSupport {
      private static final MailboxUser jones = Mailbox.getOrCreateUser("jones", "secret");
  
      @BindToRegistry("myRepo")
      private MemoryIdempotentRepository myRepo = new MemoryIdempotentRepository();
  
      @Override
      public void doPreSetup() throws Exception {
          myRepo.start();
          prepareMailbox();
      }
  
      @Test
      public void testIdempotent() throws Exception {
          assertEquals(0, myRepo.getCacheSize());
  
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMessageCount(5);
  
          context.getRouteController().startRoute("foo");
  
          MockEndpoint.assertIsSatisfied(context);
  
          // windows need a little slack
          Awaitility.await().atMost(500, TimeUnit.MILLISECONDS)
                  .untilAsserted(() -> assertEquals(0, jones.getInbox().getNewMessageCount()));
          // they get deleted after processing by default so we should be back to
          // 0
          assertEquals(0, myRepo.getCacheSize());
      }
  
      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 5 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", "myuid-" + i);
          }
          folder.appendMessages(messages);
          folder.close(true);
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  from(jones.uriPrefix(Protocol.imap) + "&idempotentRepository=#myRepo&initialDelay=100&delay=100")
                          .routeId("foo").noAutoStartup()
                          .to("mock:result");
              }
          };
      }
  }
  