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.List;
  
  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 MailCollectionHeaderTest extends CamelTestSupport {
      private static final MailboxUser james = Mailbox.getOrCreateUser("james", "secret");
  
      @Test
      public void testMailHeaderWithCollection() throws Exception {
          Mailbox.clearAll();
  
          String[] foo = new String[] { "Carlsberg", "Heineken" };
          template.sendBodyAndHeader("direct:a", "Hello World", "beers", foo);
  
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMessageCount(1);
          mock.expectedBodiesReceived("Hello World\r\n");
          mock.message(0).header("beers").isNotNull();
  
          mock.assertIsSatisfied();
  
          Object beers = mock.getReceivedExchanges().get(0).getIn().getHeader("beers");
          assertNotNull(beers);
          List<?> list = assertIsInstanceOf(List.class, beers);
          assertEquals("Carlsberg", list.get(0));
          assertEquals("Heineken", list.get(1));
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  from("direct:a").to(james.uriPrefix(Protocol.smtp));
  
                  from("pop3://localhost:" + Mailbox.getPort(Protocol.pop3)
                       + "?username=james&password=secret&initialDelay=100&delay=100").to("mock:result");
              }
          };
      }
  
  }
  