EntityReferenceFieldAttributesTest.php

<?php

namespace Drupal\Tests\rdf\Functional;

use Drupal\Core\Url;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Tests\rdf\Traits\RdfParsingTrait;
use Drupal\Tests\taxonomy\Functional\TaxonomyTestBase;

/**
 * Tests RDFa markup generation for taxonomy term fields.
 *
 * @group rdf
 */
class EntityReferenceFieldAttributesTest extends TaxonomyTestBase {
    use RdfParsingTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'rdf',
        'field_test',
        'file',
        'image',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * URI of the front page of the Drupal site.
     *
     * @var string
     */
    protected $baseUri;
    
    /**
     * The name of the taxonomy term reference field used in the test.
     *
     * @var string
     */
    protected $fieldName;
    
    /**
     * The vocabulary object used in the test.
     *
     * @var \Drupal\taxonomy\VocabularyInterface
     */
    protected $vocabulary;
    protected function setUp() {
        parent::setUp();
        $web_user = $this->drupalCreateUser([
            'bypass node access',
            'administer taxonomy',
        ]);
        $this->drupalLogin($web_user);
        $this->vocabulary = $this->createVocabulary();
        // Create the field.
        $this->fieldName = 'field_taxonomy_test';
        $handler_settings = [
            'target_bundles' => [
                $this->vocabulary
                    ->id() => $this->vocabulary
                    ->id(),
            ],
            'auto_create' => TRUE,
        ];
        $this->createEntityReferenceField('node', 'article', $this->fieldName, 'Tags', 'taxonomy_term', 'default', $handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('node', 'article')
            ->setComponent($this->fieldName, [
            'type' => 'options_select',
        ])
            ->save();
        $display_repository->getViewDisplay('node', 'article', 'full')
            ->setComponent($this->fieldName, [
            'type' => 'entity_reference_label',
        ])
            ->save();
        // Set the RDF mapping for the new field.
        rdf_get_mapping('node', 'article')->setFieldMapping($this->fieldName, [
            'properties' => [
                'dc:subject',
            ],
            'mapping_type' => 'rel',
        ])
            ->save();
        rdf_get_mapping('taxonomy_term', $this->vocabulary
            ->id())
            ->setBundleMapping([
            'types' => [
                'skos:Concept',
            ],
        ])
            ->setFieldMapping('name', [
            'properties' => [
                'rdfs:label',
            ],
        ])
            ->save();
        // 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() {
        // Set the teaser display to show this field.
        \Drupal::service('entity_display.repository')->getViewDisplay('node', 'article', 'teaser')
            ->setComponent($this->fieldName, [
            'type' => 'entity_reference_label',
        ])
            ->save();
        // Create a term in each vocabulary.
        $term1 = $this->createTerm($this->vocabulary);
        $term2 = $this->createTerm($this->vocabulary);
        $taxonomy_term_1_uri = $term1->toUrl('canonical', [
            'absolute' => TRUE,
        ])
            ->toString();
        $taxonomy_term_2_uri = $term2->toUrl('canonical', [
            'absolute' => TRUE,
        ])
            ->toString();
        // Create the node.
        $node = $this->drupalCreateNode([
            'type' => 'article',
        ]);
        $node->set($this->fieldName, [
            [
                'target_id' => $term1->id(),
            ],
            [
                'target_id' => $term2->id(),
            ],
        ]);
        // Render the node.
        $node_render_array = \Drupal::entityTypeManager()->getViewBuilder('node')
            ->view($node, 'teaser');
        $html = \Drupal::service('renderer')->renderRoot($node_render_array);
        // Node relations to taxonomy terms.
        $node_uri = $node->toUrl('canonical', [
            'absolute' => TRUE,
        ])
            ->toString();
        $expected_value = [
            'type' => 'uri',
            'value' => $taxonomy_term_1_uri,
        ];
        $this->assertTrue($this->hasRdfProperty($html, $this->baseUri, $node_uri, 'http://purl.org/dc/terms/subject', $expected_value), 'Node to term relation found in RDF output (dc:subject).');
        $expected_value = [
            'type' => 'uri',
            'value' => $taxonomy_term_2_uri,
        ];
        $this->assertTrue($this->hasRdfProperty($html, $this->baseUri, $node_uri, 'http://purl.org/dc/terms/subject', $expected_value), 'Node to term relation found in RDF output (dc:subject).');
        // Taxonomy terms triples.
        // Term 1.
        $expected_value = [
            'type' => 'uri',
            'value' => 'http://www.w3.org/2004/02/skos/core#Concept',
        ];
        // @todo Enable with https://www.drupal.org/node/2072791.
        // $this->assertTrue($graph->hasProperty($taxonomy_term_1_uri, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $expected_value), 'Taxonomy term type found in RDF output (skos:Concept).');
        $expected_value = [
            'type' => 'literal',
            'value' => $term1->getName(),
        ];
        // $this->assertTrue($graph->hasProperty($taxonomy_term_1_uri, 'http://www.w3.org/2000/01/rdf-schema#label', $expected_value), 'Taxonomy term name found in RDF output (rdfs:label).');
        // Term 2.
        $expected_value = [
            'type' => 'uri',
            'value' => 'http://www.w3.org/2004/02/skos/core#Concept',
        ];
        // $this->assertTrue($graph->hasProperty($taxonomy_term_2_uri, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', $expected_value), 'Taxonomy term type found in RDF output (skos:Concept).');
        $expected_value = [
            'type' => 'literal',
            'value' => $term2->getName(),
        ];
        // $this->assertTrue($graph->hasProperty($taxonomy_term_2_uri, 'http://www.w3.org/2000/01/rdf-schema#label', $expected_value), 'Taxonomy term name found in RDF output (rdfs:label).');
    }

}