NodeAttributesTest.php

<?php

/**
 * @file
 * Contains Drupal\rdf\Tests\NodeAttributesTest.
 */
namespace Drupal\rdf\Tests;

use Drupal\node\Tests\NodeTestBase;

/**
 * Tests the RDFa markup of Nodes.
 */
class NodeAttributesTest extends NodeTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'rdf',
  );
  public static function getInfo() {
    return array(
      'name' => 'RDFa markup for nodes',
      'description' => 'Tests the RDFa markup of nodes.',
      'group' => 'RDF',
    );
  }

  /**
   * Creates a node of type article and tests its RDFa markup.
   */
  function testNodeAttributes() {
    $node = $this
      ->drupalCreateNode(array(
      'type' => 'article',
    ));
    $node_uri = url('node/' . $node->nid, array(
      'absolute' => TRUE,
    ));
    $base_uri = url('<front>', array(
      'absolute' => TRUE,
    ));

    // Parses front page where the node is displayed in its teaser form.
    $parser = new \EasyRdf_Parser_Rdfa();
    $graph = new \EasyRdf_Graph();
    $parser
      ->parse($graph, $this
      ->drupalGet('node/' . $node->nid), 'rdfa', $base_uri);

    // Inspects RDF graph output.
    // Node type.
    $expected_value = array(
      'type' => 'uri',
      'value' => 'http://rdfs.org/sioc/ns#Item',
    );
    $this
      ->assertTrue($graph
      ->hasProperty($node_uri, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $expected_value), 'Node type found in RDF output (sioc:Item).');

    // Node type.
    $expected_value = array(
      'type' => 'uri',
      'value' => 'http://xmlns.com/foaf/0.1/Document',
    );
    $this
      ->assertTrue($graph
      ->hasProperty($node_uri, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $expected_value), 'Node type found in RDF output (foaf:Document).');

    // Node title.
    $expected_value = array(
      'type' => 'literal',
      'value' => $node->title,
      'lang' => 'en',
    );
    $this
      ->assertTrue($graph
      ->hasProperty($node_uri, 'http://purl.org/dc/terms/title', $expected_value), 'Node title found in RDF output (dc:title).');

    // Node date.
    $expected_value = array(
      'type' => 'literal',
      'value' => date('c', $node->created),
      'datatype' => 'http://www.w3.org/2001/XMLSchema#dateTime',
    );
    $this
      ->assertTrue($graph
      ->hasProperty($node_uri, 'http://purl.org/dc/terms/date', $expected_value), 'Node date found in RDF output (dc:date).');

    // Node date.
    $expected_value = array(
      'type' => 'literal',
      'value' => date('c', $node->created),
      'datatype' => 'http://www.w3.org/2001/XMLSchema#dateTime',
    );
    $this
      ->assertTrue($graph
      ->hasProperty($node_uri, 'http://purl.org/dc/terms/created', $expected_value), 'Node date found in RDF output (dc:created).');
  }

}