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.io.InputStream;
  
  import jakarta.mail.Message;
  import jakarta.mail.Multipart;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.Processor;
  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.apache.camel.test.junit5.TestSupport.assertIsInstanceOf;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  public class MailConvertersTest extends CamelTestSupport {
  
      private MailboxUser james;
  
      @Override
      public void doPreSetup() {
          Mailbox.clearAll();
          james = Mailbox.getOrCreateUser("james", "secret");
      }
  
      @Test
      public void testMailMessageToString() throws Exception {
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMessageCount(1);
  
          template.sendBodyAndHeader("direct:a", "Hello World", "Subject", "Camel rocks");
  
          MockEndpoint.assertIsSatisfied(context);
  
          Message mailMessage = mock.getReceivedExchanges().get(0).getIn().getBody(MailMessage.class).getMessage();
          assertNotNull(mailMessage);
  
          String s = MailConverters.toString(mailMessage);
          assertEquals("Hello World\r\n", s);
      }
  
      @Test
      public void testMailMessageToInputStream() throws Exception {
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMessageCount(1);
  
          template.sendBodyAndHeader("direct:a", "Hello World", "Subject", "Camel rocks");
  
          MockEndpoint.assertIsSatisfied(context);
  
          Message mailMessage = mock.getReceivedExchanges().get(0).getIn().getBody(MailMessage.class).getMessage();
          assertNotNull(mailMessage);
  
          InputStream is = MailConverters.toInputStream(mailMessage);
          assertNotNull(is);
          assertEquals("Hello World\r\n", context.getTypeConverter().convertTo(String.class, is));
      }
  
      @Test
      public void testMultipartToInputStream() throws Exception {
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMessageCount(1);
  
          template.send("direct:a", new Processor() {
              public void process(Exchange exchange) {
                  exchange.getIn().setBody("Hello World");
                  exchange.getIn().setHeader(MailConstants.MAIL_ALTERNATIVE_BODY, "Alternative World");
              }
          });
  
          MockEndpoint.assertIsSatisfied(context);
  
          Message mailMessage = mock.getReceivedExchanges().get(0).getIn().getBody(MailMessage.class).getMessage();
          assertNotNull(mailMessage);
  
          Object content = mailMessage.getContent();
          assertIsInstanceOf(Multipart.class, content);
  
          InputStream is = mock.getReceivedExchanges().get(0).getIn().getBody(InputStream.class);
          assertNotNull(is);
          assertEquals("Alternative World", context.getTypeConverter().convertTo(String.class, is));
      }
  
      @Test
      public void testMultipartToByteArray() throws Exception {
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMessageCount(1);
  
          template.send("direct:a", new Processor() {
              public void process(Exchange exchange) {
                  exchange.getIn().setBody("Hello World");
                  exchange.getIn().setHeader(MailConstants.MAIL_ALTERNATIVE_BODY, "Alternative World");
              }
          });
  
          MockEndpoint.assertIsSatisfied(context);
  
          Message mailMessage = mock.getReceivedExchanges().get(0).getIn().getBody(MailMessage.class).getMessage();
          assertNotNull(mailMessage);
  
          Object content = mailMessage.getContent();
          assertIsInstanceOf(Multipart.class, content);
  
          byte[] is = mock.getReceivedExchanges().get(0).getIn().getBody(byte[].class);
          assertNotNull(is);
          assertEquals("Alternative World", context.getTypeConverter().convertTo(String.class, is));
      }
  
      @Test
      public void testMultipartToString() throws Exception {
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMessageCount(1);
  
          template.send("direct:a", new Processor() {
              public void process(Exchange exchange) {
                  exchange.getIn().setBody("Hello World");
                  exchange.getIn().setHeader(MailConstants.MAIL_ALTERNATIVE_BODY, "Alternative World");
              }
          });
  
          MockEndpoint.assertIsSatisfied(context);
  
          Message mailMessage = mock.getReceivedExchanges().get(0).getIn().getBody(MailMessage.class).getMessage();
          assertNotNull(mailMessage);
  
          Object content = mailMessage.getContent();
          Multipart mp = assertIsInstanceOf(Multipart.class, content);
  
          String s = MailConverters.toString(mp);
          assertEquals("Alternative World", s);
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  from("direct:a").to(james.uriPrefix(Protocol.smtp));
  
                  from(james.uriPrefix(Protocol.pop3) + "&initialDelay=100&delay=100&closeFolder=false").to("mock:result");
              }
          };
      }
  }
  