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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.http.client.entity;
29  
30  import java.io.ByteArrayOutputStream;
31  import java.io.IOException;
32  import java.io.OutputStream;
33  
34  import org.apache.http.Consts;
35  import org.apache.http.HttpEntity;
36  import org.apache.http.entity.ByteArrayEntity;
37  import org.apache.http.entity.ContentType;
38  import org.apache.http.entity.StringEntity;
39  import org.apache.http.util.EntityUtils;
40  import org.junit.Assert;
41  import org.junit.Test;
42  import org.mockito.Mockito;
43  
44  public class TestGZip {
45  
46      @Test
47      public void testBasic() throws Exception {
48          final String s = "some kind of text";
49          final StringEntity e = new StringEntity(s, ContentType.TEXT_PLAIN);
50          e.setChunked(false);
51          final GzipCompressingEntity gzipe = new GzipCompressingEntity(e);
52          Assert.assertTrue(gzipe.isChunked());
53          Assert.assertEquals(-1, gzipe.getContentLength());
54          Assert.assertNotNull(gzipe.getContentEncoding());
55          Assert.assertEquals("gzip", gzipe.getContentEncoding().getValue());
56      }
57  
58      @Test
59      public void testCompressionDecompression() throws Exception {
60          final StringEntity in = new StringEntity("some kind of text", ContentType.TEXT_PLAIN);
61          final GzipCompressingEntity gzipe = new GzipCompressingEntity(in);
62          final ByteArrayOutputStream buf = new ByteArrayOutputStream();
63          gzipe.writeTo(buf);
64          final ByteArrayEntity out = new ByteArrayEntity(buf.toByteArray());
65          final GzipDecompressingEntity gunzipe = new GzipDecompressingEntity(out);
66          Assert.assertEquals("some kind of text", EntityUtils.toString(gunzipe, Consts.ASCII));
67      }
68  
69      @Test
70      public void testCompressionIOExceptionLeavesOutputStreamOpen() throws Exception {
71          final HttpEntity in = Mockito.mock(HttpEntity.class);
72          Mockito.doThrow(new IOException("Ooopsie")).when(in).writeTo(Mockito.<OutputStream>any());
73          final GzipCompressingEntity gzipe = new GzipCompressingEntity(in);
74          final OutputStream out = Mockito.mock(OutputStream.class);
75          try {
76              gzipe.writeTo(out);
77          } catch (final IOException ex) {
78              Mockito.verify(out, Mockito.never()).close();
79          }
80      }
81  
82  }