FileFieldAttributesTest.php

<?php

namespace Drupal\Tests\rdf\Functional;

use Drupal\Core\Url;
use Drupal\Tests\file\Functional\FileFieldTestBase;
use Drupal\file\Entity\File;
use Drupal\Tests\rdf\Traits\RdfParsingTrait;

/**
 * Tests the RDFa markup of filefields.
 *
 * @group rdf
 * @group legacy
 */
class FileFieldAttributesTest extends FileFieldTestBase {
    use RdfParsingTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'rdf',
        'file',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * URI of the front page of the Drupal site.
     *
     * @var string
     */
    protected $baseUri;
    
    /**
     * The name of the file field used in the test.
     *
     * @var string
     */
    protected $fieldName;
    
    /**
     * The file object used in the test.
     *
     * @var \Drupal\file\FileInterface
     */
    protected $file;
    
    /**
     * The node object used in the test.
     *
     * @var \Drupal\node\NodeInterface
     */
    protected $node;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $node_storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('node');
        $this->fieldName = strtolower($this->randomMachineName());
        $type_name = 'article';
        $this->createFileField($this->fieldName, 'node', $type_name);
        // Set the teaser display to show this field.
        \Drupal::service('entity_display.repository')->getViewDisplay('node', 'article', 'teaser')
            ->setComponent($this->fieldName, [
            'type' => 'file_default',
        ])
            ->save();
        // Set the RDF mapping for the new field.
        $mapping = rdf_get_mapping('node', 'article');
        $mapping->setFieldMapping($this->fieldName, [
            'properties' => [
                'rdfs:seeAlso',
            ],
            'mapping_type' => 'rel',
        ])
            ->save();
        $test_file = $this->getTestFile('text');
        // Create a new node with the uploaded file.
        $nid = $this->uploadNodeFile($test_file, $this->fieldName, $type_name);
        $node_storage->resetCache([
            $nid,
        ]);
        $this->node = $node_storage->load($nid);
        $this->file = File::load($this->node->{$this->fieldName}->target_id);
        // Prepares commonly used URIs.
        $this->baseUri = Url::fromRoute('<front>', [], [
            'absolute' => TRUE,
        ])->toString();
    }
    
    /**
     * Tests if file fields in teasers have correct resources.
     *
     * Ensure that file fields have the correct resource as the object in RDFa
     * when displayed as a teaser.
     */
    public function testNodeTeaser() {
        // Render the teaser.
        $node_render_array = \Drupal::entityTypeManager()->getViewBuilder('node')
            ->view($this->node, 'teaser');
        $html = \Drupal::service('renderer')->renderRoot($node_render_array);
        $node_uri = $this->node
            ->toUrl('canonical', [
            'absolute' => TRUE,
        ])
            ->toString();
        $file_uri = $this->file
            ->createFileUrl(FALSE);
        // Node relation to attached file.
        $expected_value = [
            'type' => 'uri',
            'value' => $file_uri,
        ];
        $this->assertTrue($this->hasRdfProperty($html, $this->baseUri, $node_uri, 'http://www.w3.org/2000/01/rdf-schema#seeAlso', $expected_value), 'Node to file relation found in RDF output (rdfs:seeAlso).');
        $this->drupalGet('node');
    }

}