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 org.apache.camel.Exchange;
  import org.apache.camel.test.junit5.ExchangeTestSupport;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   *
   */
  public class DetermineContentTypeIssueTest extends ExchangeTestSupport {
  
      private final String contentType = "application/pkcs7-mime; smime-type=enveloped-data; name=\"smime.p7m\"";
  
      @Test
      public void testDetermineContentTypeNoChange() {
          MailConfiguration configuration = new MailConfiguration();
          MailBinding binding = new MailBinding();
  
          exchange.getIn().setHeader("Content-Type", contentType);
          String determinedType = binding.determineContentType(configuration, exchange);
  
          // no charset
          assertEquals(contentType, determinedType);
      }
  
      @Test
      public void testDetermineContentTypeCharSetFromExchange() {
          MailConfiguration configuration = new MailConfiguration();
          MailBinding binding = new MailBinding();
  
          exchange.getIn().setHeader("Content-Type", contentType);
          exchange.setProperty(Exchange.CHARSET_NAME, "iso-8859-1");
  
          String determinedType = binding.determineContentType(configuration, exchange);
  
          String expected = contentType + "; charset=iso-8859-1";
  
          // should append the charset from exchange
          assertEquals(expected, determinedType);
      }
  
      @Test
      public void testDetermineContentTypeFallbackCharSetFromExchange() {
          MailConfiguration configuration = new MailConfiguration();
          MailBinding binding = new MailBinding();
  
          String type = contentType + "; charset=utf-8";
          exchange.getIn().setHeader("Content-Type", type);
          exchange.setProperty(Exchange.CHARSET_NAME, "iso-8859-1");
  
          String determinedType = binding.determineContentType(configuration, exchange);
  
          // should keep existing charset
          assertEquals(type, determinedType);
      }
  
      @Test
      public void testDetermineContentTypeIgnoreUnsupportedExchangeAsFallback() {
          MailConfiguration configuration = new MailConfiguration();
          // ignore unsupported
          configuration.setIgnoreUnsupportedCharset(true);
          MailBinding binding = new MailBinding();
  
          String type = contentType + "; charset=ansi_x3.110-1983";
          exchange.getIn().setHeader("Content-Type", type);
          exchange.setProperty(Exchange.CHARSET_NAME, "iso-8859-1");
  
          String determinedType = binding.determineContentType(configuration, exchange);
  
          // should remove unsupported charset
          assertEquals(contentType, determinedType);
      }
  
      @Test
      public void testDetermineContentTypeInvalidCharset() {
          MailConfiguration configuration = new MailConfiguration();
          MailBinding binding = new MailBinding();
  
          String type = contentType + "; charset=ansi_x3.110-1983";
          exchange.getIn().setHeader("Content-Type", type);
  
          String determinedType = binding.determineContentType(configuration, exchange);
  
          // should keep existing charset even if its unsupported as we configured it as that
          assertEquals(type, determinedType);
      }
  
      @Test
      public void testDetermineContentTypeWithCharsetInMiddle() {
          MailConfiguration configuration = new MailConfiguration();
          MailBinding binding = new MailBinding();
  
          String type = "text/plain; charset=iso-8859-1; foo=bar";
  
          exchange.getIn().setHeader("Content-Type", type);
          String determinedType = binding.determineContentType(configuration, exchange);
  
          // content-type is left untouched
          assertEquals(type, determinedType);
      }
  
  }
  