/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.commons.geometry.io.core.output;
  
  import java.io.BufferedOutputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.nio.charset.Charset;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.io.TempDir;
  
  class FileGeometryOutputTest {
  
      @TempDir
      Path tempDir;
  
      @Test
      void testCtor_fileOnly() {
          // arrange
          final Path file = Paths.get("some/path/test.txt");
  
          // act
          final FileGeometryOutput out = new FileGeometryOutput(file);
  
          // assert
          Assertions.assertEquals(file, out.getFile());
          Assertions.assertEquals("test.txt", out.getFileName());
          Assertions.assertNull(out.getCharset());
      }
  
      @Test
      void testCtor_fileAndCharset() {
          // arrange
          final Path file = Paths.get("TEST");
          final Charset charset = StandardCharsets.UTF_8;
  
          // act
          final FileGeometryOutput out = new FileGeometryOutput(file, charset);
  
          // assert
          Assertions.assertEquals(file, out.getFile());
          Assertions.assertEquals("TEST", out.getFileName());
          Assertions.assertEquals(charset, out.getCharset());
      }
  
      @Test
      void testGetOutputStream() throws IOException {
          // arrange
          final Path file = tempDir.resolve("test");
          final byte[] bytes = "abc".getBytes(StandardCharsets.UTF_8);
  
          final FileGeometryOutput output = new FileGeometryOutput(file);
  
          // act/assert
          try (OutputStream out = output.getOutputStream()) {
              out.write(bytes);
  
              Assertions.assertEquals(BufferedOutputStream.class, out.getClass());
          }
  
          Assertions.assertArrayEquals(bytes, Files.readAllBytes(file));
      }
  
      @Test
      void testToString() {
          // arrange
          final FileGeometryOutput out = new FileGeometryOutput(Paths.get("some/path/test.txt"));
  
          // act
          final String result = out.toString();
  
          // assert
          Assertions.assertEquals("FileGeometryOutput[file= some/path/test.txt]",
                  result.replaceAll("\\\\", "/"));
      }
  }