rdfx.test

<?php
// $Id: $

/**
 * Test the RDF serialization functionality for nodes.
 */
class RdfxNodeSerializationTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'RDF serialization for Nodes',
      'description' => 'Create a node and test its RDF serialization.',
      'group' => 'RDFx',
    );
  }

  function setUp() {
    parent::setUp();

    // Set default storage backend.
    variable_set('field_storage_default', 'field_sql_storage');

//     $field_name = drupal_strtolower('rdfx_text_test_field');
//     $field = array('field_name' => $field_name, 'type' => 'test_field', 'cardinality' => 4);
//     $field = field_create_field($field);
//     $field_id = $field['id'];
//     $instance = array(
//       'field_name' => $field_name,
//       'entity_type' => 'test_entity',
//       'bundle' => 'article',
//       'label' => $this->randomName() . '_label',
//       'description' => $this->randomName() . '_description',
//       'weight' => mt_rand(0, 127),
//       'settings' => array(
//         'test_instance_setting' => $this->randomName(),
//       ),
//       'widget' => array(
//         'type' => 'test_field_widget',
//         'label' => 'Test Field',
//         'settings' => array(
//           'test_widget_setting' => $this->randomName(),
//         )
//       )
//     );
//     field_create_instance($this->instance);

    $web_user = $this->drupalCreateUser(array('create article content', 'create page content'));
    $this->drupalLogin($web_user);
  }

  /**
   * Create a "Article" node and ensure it serialized properly.
   */
  function testRdfxNodeCreation() {
    // Create a node.
    $edit = array();
    $langcode = LANGUAGE_NONE;
    $edit["title"] = $this->randomName(8);
    $edit["body[$langcode][0][value]"] = $this->randomName(16);
    $this->drupalPost('node/add/article', $edit, t('Save'));

    // Check that the Article has been created.
    $this->assertRaw(t('!post %title has been created.', array('!post' => 'Article', '%title' => $edit["title"])), t('Article created.'));

    // Check that the node exists in the database.
    $node = $this->drupalGetNodeByTitle($edit["title"]);
    $this->assertTrue($node, t('Node found in database.'));

    // Expected base URI and graph URI.
    $base_uri = url('', array('absolute' => TRUE));
    $uri = url('node/' . $node->nid, array('absolute' => TRUE));

    // Get the node as RDF.
    $g = rdfx_build_rdf_node($node);

    // Inspect the PHP object returned by ARC2.
    // Test object class.
    $this->assertTrue(get_class($g) == 'ARC2_Resource', t('Object is of type ARC2_Resource.'));
    // Test base uri.
    $this->assertTrue($g->base == $base_uri, t('Base uri set properly by ARC2.'));
    // Test graph uri.
    $this->assertTrue($g->uri == $uri, t('Graph uri set properly by ARC2.'));

    // Test if core rdf namespaces are present.
    // @todo move this into a dedicate test for namespaces.
    $erroneous_core_ns = FALSE;
    foreach(rdf_rdf_namespaces() as $prefix => $ns) {
      if (!isset($g->ns[$prefix]) || $g->ns[$prefix] != $ns) {
        $erroneous_core_ns = TRUE;
      }
    }
    $this->assertFalse($erroneous_core_ns, t('Core RDF namespaces set properly by ARC2.'));

    // Test RDF types in ARC2 RDF index.
    $o = array (
      'value'=> 'http://rdfs.org/sioc/ns#Item',
      'type'=> 'uri',
    );
    $this->assertTrue(in_array($o, $g->index[$uri]['http://www.w3.org/1999/02/22-rdf-syntax-ns#type']), t('sioc:Item type found in ARC2 index.'));
    $o = array (
      'value'=> 'http://xmlns.com/foaf/0.1/Document',
      'type'=> 'uri',
    );
    $this->assertTrue(in_array($o, $g->index[$uri]['http://www.w3.org/1999/02/22-rdf-syntax-ns#type']), t('foaf:Document type found in ARC2 index.'));

    // Test title in ARC2 RDF index.
    $o = array (
      'value'=> $node->title,
      'type'=> 'literal',
      'datatype'=> '',
    );
    $this->assertTrue(in_array($o, $g->index[$uri]['http://purl.org/dc/terms/title']), t('dc:title value found in ARC2 index.'));

    // Test date in ARC2 RDF index.
    $o = array (
      'value'=> date_iso8601($node->created),
      'type'=> 'literal',
      'datatype' => 'xsd:dateTime',
    );
    $this->assertTrue(in_array($o, $g->index[$uri]['http://purl.org/dc/terms/date']), t('dc:date value found in ARC2 index.'));
    $o = array (
      'value'=> date_iso8601($node->created),
      'type'=> 'literal',
      'datatype' => 'xsd:dateTime',
    );
    $this->assertTrue(in_array($o, $g->index[$uri]['http://purl.org/dc/terms/created']), t('dc:created value found in ARC2 index.'));

    // Test creator (user) in ARC2 RDF index.
    $expected_user_uri = url('user/' . $node->uid, array('absolute' => TRUE));
    $o = array (
      'value'=> $expected_user_uri,
      'type'=> 'uri',
    );
    $this->assertTrue(in_array($o, $g->index[$uri]['http://rdfs.org/sioc/ns#has_creator']), t('sioc:has_creator value found in ARC2 index.'));

    // Test comment_count in ARC2 RDF index.
    $o = array (
      'value'=> $node->comment_count,
      'type'=> 'literal',
      'datatype'=> 'xsd:integer',
    );
    $this->assertTrue(in_array($o, $g->index[$uri]['http://rdfs.org/sioc/ns#num_replies']), t('sioc:num_replies value found in ARC2 index.'));
  }

}