/*
    * 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.vocab.SINDICE;
  import org.junit.Test;
  import org.eclipse.rdf4j.model.impl.SimpleValueFactory;
  
  /**
   * Reference Test class for the {@link HTMLMetaExtractor} extractor.
   *
   * @author Davide Palmisano ( dpalmisano@gmail.com )
   */
  public class HTMLMetaExtractorTest extends AbstractExtractorTestCase {
  
      private static final SINDICE vSINDICE = SINDICE.getInstance();
  
      protected ExtractorFactory<?> getExtractorFactory() {
          return new HTMLMetaExtractorFactory();
      }
  
      @Test
      public void testExtractPageMeta() throws Exception {
          assertExtract("/html/html-head-meta-extractor.html");
          assertModelNotEmpty();
          assertStatementsSize(null, null, null, 10);
          assertContains(SimpleValueFactory.getInstance().createIRI("http://bob.example.com/"),
                  SimpleValueFactory.getInstance().createIRI("http://purl.org/dc/elements/1.1/title"),
                  "XHTML+RDFa example", "en");
          assertContains(SimpleValueFactory.getInstance().createIRI("http://bob.example.com/"),
                  SimpleValueFactory.getInstance().createIRI("http://purl.org/dc/elements/1.1/language"), "en", "en");
          assertContains(SimpleValueFactory.getInstance().createIRI("http://bob.example.com/"),
                  SimpleValueFactory.getInstance().createIRI("http://purl.org/dc/elements/1.1/subject"),
                  "XHTML+RDFa, semantic web", "en");
          assertContains(SimpleValueFactory.getInstance().createIRI("http://bob.example.com/"),
                  SimpleValueFactory.getInstance().createIRI("http://purl.org/dc/elements/1.1/format"),
                  "application/xhtml+xml", "en");
          assertContains(SimpleValueFactory.getInstance().createIRI("http://bob.example.com/"),
                  SimpleValueFactory.getInstance().createIRI("http://purl.org/dc/elements/1.1/description"),
                  "Example for Extensible Hypertext Markup Language + Resource Description Framework – in – attributes.",
                  "en");
          assertContains(SimpleValueFactory.getInstance().createIRI("http://bob.example.com/"),
                  SimpleValueFactory.getInstance().createIRI(vSINDICE.NAMESPACE.toString() + "robots"), "index, follow",
                  "en");
          assertContains(SimpleValueFactory.getInstance().createIRI("http://bob.example.com/"),
                  SimpleValueFactory.getInstance().createIRI(vSINDICE.NAMESPACE.toString() + "content-language"), "en",
                  "en");
      }
  
      @Test
      public void testNoMeta() throws Exception {
          assertExtract("/html/html-head-link-extractor.html");
          assertModelEmpty();
      }
  
      @Test
      public void testExtractPageMetaWithExtensionsPerMozillaSpecification() throws Exception {
          assertExtract("/html/html-head-meta-extractor-with-mozilla-extensions.html");
          assertModelNotEmpty();
          assertStatementsSize(null, null, null, 2);
      }
  
  }