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.test.junit5.CamelTestSupport;
  import org.awaitility.Awaitility;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   * Tests if post process action is called if it is set
   */
  public class MailPostProcessActionTest extends CamelTestSupport {
      private static final MailboxUser bill = Mailbox.getOrCreateUser("bill", "secret");
      private static final Logger LOG = LoggerFactory.getLogger(MailPostProcessActionTest.class);
  
      @BindToRegistry("postProcessAction")
      private TestPostProcessAction action = new TestPostProcessAction();
  
      @Override
      public void doPreSetup() throws Exception {
          prepareMailbox();
      }
  
      @Test
      public void testActionCalled() throws Exception {
          Mailbox mailbox = bill.getInbox();
          assertEquals(1, mailbox.getMessageCount());
  
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedBodiesReceivedInAnyOrder("TestText");
  
          MockEndpoint.assertIsSatisfied(context);
          waitForActionCalled();
      }
  
      private void waitForActionCalled() throws InterruptedException {
          // Wait for a maximum of 500 ms for the action to be called
          Awaitility.await().atMost(500, TimeUnit.MILLISECONDS).untilAsserted(() -> assertEquals(true, action.hasBeenCalled()));
      }
  
      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), bill.getLogin(), bill.getPassword());
          Folder folder = store.getFolder("INBOX");
          folder.open(Folder.READ_WRITE);
          folder.expunge();
  
          // inserts 1 new message
          Message[] messages = new Message[1];
          messages[0] = new MimeMessage(sender.getSession());
          messages[0].setSubject("TestSubject");
          messages[0].setHeader("Message-ID", "0");
          messages[0].setText("TestText");
  
          folder.appendMessages(messages);
          folder.close(true);
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  from(bill.uriPrefix(Protocol.imap) + "&postProcessAction=#postProcessAction&initialDelay=100&delay=100")
                          .to("mock:result");
              }
          };
      }
  
      private class TestPostProcessAction implements MailBoxPostProcessAction {
          private boolean called;
  
          @Override
          public void process(Folder folder) throws Exception {
              // Assert that we are looking at the correct folder with our message
              final Message[] messages = folder.getMessages();
              assertEquals(1, messages.length);
              assertEquals("TestSubject", messages[0].getSubject());
              // And mark ourselves as "called"
              called = true;
          }
  
          /**
           * @return true if the action has been called
           */
          public boolean hasBeenCalled() {
              return called;
          }
      }
  }
  