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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.io.build;
18  
19  import static org.junit.jupiter.api.Assertions.assertThrows;
20  
21  import java.io.IOException;
22  import java.nio.file.Files;
23  import java.nio.file.OpenOption;
24  import java.nio.file.Paths;
25  import java.nio.file.StandardOpenOption;
26  
27  import org.apache.commons.io.build.AbstractOrigin.ByteArrayOrigin;
28  import org.junit.jupiter.api.Test;
29  import org.junit.jupiter.params.ParameterizedTest;
30  import org.junit.jupiter.params.provider.EnumSource;
31  
32  /**
33   * Tests {@link ByteArrayOrigin}.
34   *
35   * A ByteArrayOrigin can convert into some of the other aspects.
36   */
37  public class ByteArrayOriginTest extends AbstractOriginTest<byte[], ByteArrayOrigin> {
38  
39      @Override
40      protected ByteArrayOrigin newOriginRo() throws IOException {
41          return new ByteArrayOrigin(Files.readAllBytes(Paths.get(FILE_NAME_RO)));
42      }
43  
44      @Override
45      protected ByteArrayOrigin newOriginRw() {
46          return new ByteArrayOrigin(new byte[] { 1 });
47      }
48  
49      @Override
50      @Test
51      public void testGetFile() {
52          // Cannot convert a byte[] to a File.
53          assertThrows(UnsupportedOperationException.class, super::testGetFile);
54      }
55  
56      @Override
57      @Test
58      public void testGetOutputStream() {
59          // Cannot convert a byte[] to an OutputStream.
60          assertThrows(UnsupportedOperationException.class, super::testGetOutputStream);
61      }
62  
63      @Override
64      @Test
65      public void testGetPath() {
66          // Cannot convert a byte[] to a Path.
67          assertThrows(UnsupportedOperationException.class, super::testGetPath);
68      }
69  
70      @Override
71      @Test
72      public void testGetRandomAccessFile() {
73          // Cannot convert a RandomAccessFile to a File.
74          assertThrows(UnsupportedOperationException.class, super::testGetRandomAccessFile);
75      }
76  
77      @Override
78      @ParameterizedTest
79      @EnumSource(StandardOpenOption.class)
80      public void testGetRandomAccessFile(final OpenOption openOption) {
81          // Cannot convert a RandomAccessFile to a File.
82          assertThrows(UnsupportedOperationException.class, () -> super.testGetRandomAccessFile(openOption));
83      }
84  
85      @Override
86      @Test
87      public void testGetWriter() {
88          // Cannot convert a byte[] to a Writer.
89          assertThrows(UnsupportedOperationException.class, super::testGetWriter);
90      }
91  
92  }