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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.fileupload2.core;
18  
19  import static org.junit.jupiter.api.Assertions.assertEquals;
20  import static org.junit.jupiter.api.Assertions.assertFalse;
21  import static org.junit.jupiter.api.Assertions.assertNull;
22  import static org.junit.jupiter.api.Assertions.assertTrue;
23  
24  import java.util.Iterator;
25  
26  import org.junit.jupiter.api.Test;
27  
28  /**
29   * Unit tests {@link FileItemHeaders} and {@link FileItemHeadersImpl}.
30   */
31  public class FileItemHeadersTest {
32  
33      /**
34       * @throws Exception
35       */
36      @Test
37      public void testFileItemHeaders() throws Exception {
38          final var mutableFileItemHeaders = new FileItemHeadersImpl();
39          mutableFileItemHeaders.addHeader("Content-Disposition", "form-data; name=\"FileItem\"; filename=\"file1.txt\"");
40          mutableFileItemHeaders.addHeader("Content-Type", "text/plain");
41  
42          mutableFileItemHeaders.addHeader("TestHeader", "headerValue1");
43          mutableFileItemHeaders.addHeader("TestHeader", "headerValue2");
44          mutableFileItemHeaders.addHeader("TestHeader", "headerValue3");
45          mutableFileItemHeaders.addHeader("testheader", "headerValue4");
46  
47          final var headerNameIterator = mutableFileItemHeaders.getHeaderNames();
48          assertEquals("content-disposition", headerNameIterator.next());
49          assertEquals("content-type", headerNameIterator.next());
50          assertEquals("testheader", headerNameIterator.next());
51          assertFalse(headerNameIterator.hasNext());
52  
53          assertEquals(mutableFileItemHeaders.getHeader("Content-Disposition"), "form-data; name=\"FileItem\"; filename=\"file1.txt\"");
54          assertEquals(mutableFileItemHeaders.getHeader("Content-Type"), "text/plain");
55          assertEquals(mutableFileItemHeaders.getHeader("content-type"), "text/plain");
56          assertEquals(mutableFileItemHeaders.getHeader("TestHeader"), "headerValue1");
57          assertNull(mutableFileItemHeaders.getHeader("DummyHeader"));
58  
59          Iterator<String> headerValueEnumeration;
60  
61          headerValueEnumeration = mutableFileItemHeaders.getHeaders("Content-Type");
62          assertTrue(headerValueEnumeration.hasNext());
63          assertEquals(headerValueEnumeration.next(), "text/plain");
64          assertFalse(headerValueEnumeration.hasNext());
65  
66          headerValueEnumeration = mutableFileItemHeaders.getHeaders("content-type");
67          assertTrue(headerValueEnumeration.hasNext());
68          assertEquals(headerValueEnumeration.next(), "text/plain");
69          assertFalse(headerValueEnumeration.hasNext());
70  
71          headerValueEnumeration = mutableFileItemHeaders.getHeaders("TestHeader");
72          assertTrue(headerValueEnumeration.hasNext());
73          assertEquals(headerValueEnumeration.next(), "headerValue1");
74          assertTrue(headerValueEnumeration.hasNext());
75          assertEquals(headerValueEnumeration.next(), "headerValue2");
76          assertTrue(headerValueEnumeration.hasNext());
77          assertEquals(headerValueEnumeration.next(), "headerValue3");
78          assertTrue(headerValueEnumeration.hasNext());
79          assertEquals(headerValueEnumeration.next(), "headerValue4");
80          assertFalse(headerValueEnumeration.hasNext());
81  
82          headerValueEnumeration = mutableFileItemHeaders.getHeaders("DummyHeader");
83          assertFalse(headerValueEnumeration.hasNext());
84      }
85  
86  }