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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.core5.http.nio.entity;
29  
30  import java.nio.charset.StandardCharsets;
31  import java.util.List;
32  
33  import org.apache.hc.core5.http.Header;
34  import org.apache.hc.core5.http.WritableByteChannelMock;
35  import org.apache.hc.core5.http.ContentType;
36  import org.apache.hc.core5.http.nio.BasicDataStreamChannel;
37  import org.junit.Assert;
38  import org.junit.Test;
39  
40  public class TestDigestingEntityProducer {
41  
42      @Test
43      public void testProduceData() throws Exception {
44  
45          final DigestingEntityProducer producer = new DigestingEntityProducer("MD5",
46                  new StringAsyncEntityProducer("12345", ContentType.TEXT_PLAIN));
47  
48          final WritableByteChannelMocknelMock.html#WritableByteChannelMock">WritableByteChannelMock byteChannel = new WritableByteChannelMock(1024);
49          final BasicDataStreamChannelannel.html#BasicDataStreamChannel">BasicDataStreamChannel dataStreamChannel = new BasicDataStreamChannel(byteChannel);
50          while (byteChannel.isOpen()) {
51              producer.produce(dataStreamChannel);
52          }
53  
54          Assert.assertEquals("12345", byteChannel.dump(StandardCharsets.US_ASCII));
55          final List<Header> trailers = dataStreamChannel.getTrailers();
56          Assert.assertNotNull(trailers);
57          Assert.assertEquals(2, trailers.size());
58  
59          Assert.assertEquals("digest-algo", trailers.get(0).getName());
60          Assert.assertEquals("MD5", trailers.get(0).getValue());
61          Assert.assertEquals("digest", trailers.get(1).getName());
62          Assert.assertEquals("827ccb0eea8a706c4c34a16891f84e7b", trailers.get(1).getValue());
63      }
64  
65  }