/*
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community 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://opensource.org/licenses/ecl2.txt
 *
 * 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.opencastproject.caption.converters;

import org.opencastproject.caption.api.Caption;

import org.apache.commons.io.IOUtils;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;


/**
 * Test class for SubRip format.
 *
 */
public class SubRipConverterTest {

  // SubRip converter
  private SubRipCaptionConverter format;
  // srt sample
  private InputStream inputStream;
  // output stream
  private ByteArrayOutputStream outputStream;
  // expected output
  private String expectedOutput = "1\r\n"
      + "00:00:49,520 --> 00:00:52,961\r\n"
      + "This is caption testing.\r\n"
      + "1. line.";

  @Before
  public void setUp() throws IOException {
    format = new SubRipCaptionConverter();
    inputStream = SubRipConverterTest.class.getResourceAsStream("/sample.srt");
    outputStream = new ByteArrayOutputStream();
  }

  @Test
  public void testImportAndExport() {
    try {
      // verify parsing and exporting without exceptions
      List<Caption> collection = format.importCaption(inputStream, null);
      format.exportCaption(outputStream, collection, null);
      Assert.assertTrue(outputStream.toString("UTF-8").startsWith(expectedOutput));
    } catch (Exception e) {
      e.printStackTrace();
      Assert.fail(e.getMessage());
    }
  }

  @After
  public void tear() throws IOException {
    IOUtils.closeQuietly(inputStream);
    IOUtils.closeQuietly(outputStream);
  }

}
