/**
 * Copyright (c) 2008, SnakeYAML
 *
 * Licensed 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.yaml.snakeyaml.issues.issue68;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CodingErrorAction;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import junit.framework.TestCase;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.YamlDocument;

public class NonAsciiCharacterTest extends TestCase {

  @SuppressWarnings("unchecked")
  public void testLoad() {
    Yaml yaml = new Yaml();
    Map<String, Map<String, String>> obj = yaml.load("test.string: {en: И}");
    assertEquals(1, obj.size());
    assertEquals("Map: " + obj, "И", obj.get("test.string").get("en"));
  }

  public void testLoadFromFileWithWrongEncoding() {
    try {
      Yaml yaml = new Yaml();
      InputStream input = new FileInputStream("src/test/resources/issues/issue68.txt");
      CharsetDecoder decoder = Charset.forName("Cp1252").newDecoder();
      decoder.onUnmappableCharacter(CodingErrorAction.REPORT);
      Object text = yaml.load(new InputStreamReader(input, decoder));
      input.close();
      fail("Invalid UTF-8 must not be accepted: " + text.toString());
    } catch (Exception e) {
      assertTrue(e.getMessage().endsWith("Exception: Input length = 1"));
    }
  }

  public void testLoadFromFile() throws UnsupportedEncodingException, FileNotFoundException {
    Yaml yaml = new Yaml();
    InputStream input = new FileInputStream("src/test/resources/issues/issue68.txt");
    String text = yaml.load(new InputStreamReader(input, StandardCharsets.UTF_8));
    assertEquals("И жить торопится и чувствовать спешит...", text);
  }

  public void testLoadFromInputStream() throws IOException {
    InputStream input;
    input = YamlDocument.class.getClassLoader().getResourceAsStream("issues/issue68.txt");
    if (input == null) {
      throw new RuntimeException("Can not find issues/issue68.txt");
    }
    Yaml yaml = new Yaml();
    String text = yaml.load(input);// UTF-8 by default
    assertEquals("И жить торопится и чувствовать спешит...", text);
    input.close();
  }
}
