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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.geometry.io.core.input;
18  
19  import java.io.BufferedInputStream;
20  import java.io.IOException;
21  import java.io.InputStream;
22  import java.net.URL;
23  import java.nio.charset.Charset;
24  import java.nio.charset.StandardCharsets;
25  import java.nio.file.Files;
26  import java.nio.file.Path;
27  import java.nio.file.Paths;
28  
29  import org.junit.jupiter.api.Assertions;
30  import org.junit.jupiter.api.Test;
31  import org.junit.jupiter.api.io.TempDir;
32  
33  class UrlGeometryInputTest {
34  
35      @TempDir
36      Path tempDir;
37  
38      @Test
39      void testCtor_fileOnly() throws IOException {
40          // arrange
41          final URL url = Paths.get("some/path/test.txt").toUri().toURL();
42  
43          // act
44          final UrlGeometryInput in = new UrlGeometryInput(url);
45  
46          // assert
47          Assertions.assertEquals(url, in.getUrl());
48          Assertions.assertEquals("test.txt", in.getFileName());
49          Assertions.assertNull(in.getCharset());
50      }
51  
52      @Test
53      void testCtor_fileAndCharset() {
54          // arrange
55          final URL url = getClass().getResource("/java/lang/String.class");
56          final Charset charset = StandardCharsets.UTF_8;
57  
58          // act
59          final UrlGeometryInput in = new UrlGeometryInput(url, charset);
60  
61          // assert
62          Assertions.assertEquals(url, in.getUrl());
63          Assertions.assertEquals("String.class", in.getFileName());
64          Assertions.assertEquals(charset, in.getCharset());
65      }
66  
67      @Test
68      void testGetInputStream() throws IOException {
69          // arrange
70          final Path file = tempDir.resolve("test");
71          final byte[] bytes = "abc".getBytes(StandardCharsets.UTF_8);
72          Files.write(file, bytes);
73  
74          final UrlGeometryInput input = new UrlGeometryInput(file.toUri().toURL());
75  
76          // act/assert
77          try (InputStream in = input.getInputStream()) {
78              Assertions.assertEquals(BufferedInputStream.class, in.getClass());
79  
80              final byte[] readBytes = new byte[3];
81              in.read(readBytes);
82  
83              Assertions.assertArrayEquals(bytes, readBytes);
84          }
85      }
86  
87      @Test
88      void testToString() throws IOException {
89          // arrange
90          final UrlGeometryInput in = new UrlGeometryInput(Paths.get("some/path/test.txt").toUri().toURL());
91  
92          // act
93          final String result = in.toString();
94  
95          // assert
96          Assertions.assertTrue(result.startsWith("UrlGeometryInput[url= file:"));
97      }
98  }