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