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.HashMap;
  import java.util.Map;
  
  import jakarta.mail.Message;
  import jakarta.mail.internet.MimeMultipart;
  
  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.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Unit test for contentType option.
   */
  public class MailContentTypeTest extends CamelTestSupport {
      private static final MailboxUser claus = Mailbox.getOrCreateUser("claus", "secret");
  
      @Test
      public void testSendHtmlMail() throws Exception {
          Mailbox.clearAll();
  
          sendBody("direct:a", "<html><body><h1>Hello</h1>World</body></html>");
  
          Mailbox box = claus.getInbox();
          Message msg = box.get(0);
  
          assertTrue(msg.getContentType().startsWith("text/html"));
          assertEquals("<html><body><h1>Hello</h1>World</body></html>", msg.getContent());
      }
  
      @Test
      public void testSendPlainMail() throws Exception {
          Mailbox.clearAll();
  
          sendBody("direct:b", "Hello World");
  
          Mailbox box = claus.getInbox();
          Message msg = box.get(0);
          assertTrue(msg.getContentType().startsWith("text/plain"));
          assertEquals("Hello World", msg.getContent());
      }
  
      @Test
      public void testSendMultipartMail() throws Exception {
          Mailbox.clearAll();
  
          Map<String, Object> headers = new HashMap<>();
          headers.put(MailConstants.MAIL_ALTERNATIVE_BODY, "Hello World");
          sendBody("direct:c", "<html><body><h1>Hello</h1>World</body></html>", headers);
  
          Mailbox box = claus.getInbox();
          Message msg = box.get(0);
          assertTrue(msg.getContentType().startsWith("multipart/alternative"));
          assertEquals("Hello World", ((MimeMultipart) msg.getContent()).getBodyPart(0).getContent());
          assertEquals("<html><body><h1>Hello</h1>World</body></html>",
                  ((MimeMultipart) msg.getContent()).getBodyPart(1).getContent());
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  from("direct:a").to(claus.uriPrefix(Protocol.smtp) + "&contentType=text/html");
                  from("direct:b").to(claus.uriPrefix(Protocol.smtp) + "&contentType=text/plain");
                  from("direct:c").to(claus.uriPrefix(Protocol.smtp));
              }
          };
      }
  
  }
  