Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\rdf\Tests;
Chris@0: 
Chris@0: use Drupal\image\Entity\ImageStyle;
Chris@0: use Drupal\image\Tests\ImageFieldTestBase;
Chris@0: use Drupal\node\Entity\Node;
Chris@0: use Drupal\file\Entity\File;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests the RDFa markup of imagefields.
Chris@0:  *
Chris@0:  * @group rdf
Chris@0:  */
Chris@0: class ImageFieldAttributesTest extends ImageFieldTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to enable.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['rdf', 'image'];
Chris@0: 
Chris@0:   /**
Chris@0:    * The name of the image field used in the test.
Chris@0:    *
Chris@0:    * @var string
Chris@0:    */
Chris@0:   protected $fieldName;
Chris@0: 
Chris@0:   /**
Chris@0:    * The file object used in the test.
Chris@0:    *
Chris@0:    * @var \Drupal\file\FileInterface
Chris@0:    */
Chris@0:   protected $file;
Chris@0: 
Chris@0:   /**
Chris@0:    * The node object used in the test.
Chris@0:    *
Chris@0:    * @var \Drupal\node\NodeInterface
Chris@0:    */
Chris@0:   protected $node;
Chris@0: 
Chris@0:   protected function setUp() {
Chris@0:     parent::setUp();
Chris@0: 
Chris@0:     $this->fieldName = 'field_image';
Chris@0: 
Chris@0:     // Create the image field.
Chris@0:     $this->createImageField($this->fieldName, 'article');
Chris@0: 
Chris@0:     // Set the RDF mapping for the new field.
Chris@0:     rdf_get_mapping('node', 'article')
Chris@0:       ->setFieldMapping($this->fieldName, [
Chris@0:         'properties' => ['og:image'],
Chris@0:         'mapping_type' => 'rel',
Chris@0:       ])
Chris@0:       ->setBundleMapping(['types' => []])
Chris@0:       ->save();
Chris@0: 
Chris@0:     // Get the test image that simpletest provides.
Chris@0:     $image = current($this->drupalGetTestFiles('image'));
Chris@0: 
Chris@0:     // Save a node with the image.
Chris@0:     $nid = $this->uploadNodeImage($image, $this->fieldName, 'article', $this->randomMachineName());
Chris@0:     $this->node = Node::load($nid);
Chris@0:     $this->file = File::load($this->node->{$this->fieldName}->target_id);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests that image fields in teasers have correct resources.
Chris@0:    */
Chris@0:   public function testNodeTeaser() {
Chris@0:     // Set the display options for the teaser.
Chris@0:     $display_options = [
Chris@0:       'type' => 'image',
Chris@0:       'settings' => ['image_style' => 'medium', 'image_link' => 'content'],
Chris@0:     ];
Chris@0:     $display = entity_get_display('node', 'article', 'teaser');
Chris@0:     $display->setComponent($this->fieldName, $display_options)
Chris@0:       ->save();
Chris@0: 
Chris@0:     // Render the teaser.
Chris@0:     $node_render_array = node_view($this->node, 'teaser');
Chris@0:     $html = \Drupal::service('renderer')->renderRoot($node_render_array);
Chris@0: 
Chris@0:     // Parse the teaser.
Chris@0:     $parser = new \EasyRdf_Parser_Rdfa();
Chris@0:     $graph = new \EasyRdf_Graph();
Chris@0:     $base_uri = \Drupal::url('<front>', [], ['absolute' => TRUE]);
Chris@0:     $parser->parse($graph, $html, 'rdfa', $base_uri);
Chris@0: 
Chris@0:     // Construct the node and image URIs for testing.
Chris@0:     $node_uri = $this->node->url('canonical', ['absolute' => TRUE]);
Chris@0:     $image_uri = ImageStyle::load('medium')->buildUrl($this->file->getFileUri());
Chris@0: 
Chris@0:     // Test relations from node to image.
Chris@0:     $expected_value = [
Chris@0:       'type' => 'uri',
Chris@0:       'value' => $image_uri,
Chris@0:     ];
Chris@0:     $this->assertTrue($graph->hasProperty($node_uri, 'http://ogp.me/ns#image', $expected_value), 'Node to file relation found in RDF output (og:image).');
Chris@0: 
Chris@0:     // Test image type.
Chris@0:     $expected_value = [
Chris@0:       'type' => 'uri',
Chris@0:       'value' => 'http://xmlns.com/foaf/0.1/Image',
Chris@0:     ];
Chris@0:     $this->assertTrue($graph->hasProperty($image_uri, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $expected_value), 'Image type found in RDF output (foaf:Image).');
Chris@0:   }
Chris@0: 
Chris@0: }