/*
    * 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.any23.extractor.html;
  
  import org.apache.any23.extractor.ExtractorFactory;
  import org.apache.any23.rdf.RDFUtils;
  import org.apache.any23.vocab.DCTerms;
  import org.apache.any23.vocab.SINDICE;
  import org.junit.Test;
  import org.eclipse.rdf4j.model.Literal;
  import org.eclipse.rdf4j.repository.RepositoryException;
  
  /**
   * Reference Test class for the {@link TitleExtractor} extractor.
   * 
   */
  public class TitleExtractorTest extends AbstractExtractorTestCase {
  
      private static final DCTerms vDCTERMS = DCTerms.getInstance();
      private static final SINDICE vSINDICE = SINDICE.getInstance();
  
      private Literal helloLiteral = RDFUtils.literal("Hello World!");
  
      @Override
      protected ExtractorFactory<?> getExtractorFactory() {
          return new TitleExtractorFactory();
      }
  
      @Test
      public void testExtractPageTitle() throws RepositoryException {
          assertExtract("/microformats/xfn/simple-me.html");
          assertContains(baseIRI, vDCTERMS.title, helloLiteral);
      }
  
      @Test
      public void testStripSpacesFromTitle() throws RepositoryException {
          assertExtract("/microformats/xfn/strip-spaces.html");
          assertContains(baseIRI, vDCTERMS.title, helloLiteral);
      }
  
      @Test
      public void testNoPageTitle() throws RepositoryException {
          assertExtract("/microformats/xfn/tagsoup.html");
          assertModelEmpty();
      }
  
      @Test
      public void testMixedCaseTitleTag() throws RepositoryException {
          assertExtract("/microformats/xfn/mixed-case.html");
          assertContains(baseIRI, vDCTERMS.title, helloLiteral);
      }
  
      /**
       * This test verifies that when present the default language this is adopted by the title literal.
       * 
       * @throws org.eclipse.rdf4j.repository.RepositoryException
       *             if an error is encountered whilst loading content from a storage connection
       */
      @Test
      public void testTitleWithDefaultLanguage() throws RepositoryException {
          assertExtract("/html/default-language.html");
          assertContains(baseIRI, vDCTERMS.title, RDFUtils.literal("Welcome to mydomain.net", "en"));
          assertNotContains(baseIRI, vDCTERMS.title, RDFUtils.literal("Welcome to mydomain.net", (String) null));
      }
  
  }