RdfaAttributesTest.php

<?php

namespace Drupal\Tests\rdf\Kernel;

use Drupal\KernelTests\KernelTestBase;

/**
 * Tests RDFa attribute generation from RDF mapping.
 *
 * @group rdf
 * @group legacy
 */
class RdfaAttributesTest extends KernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'rdf',
    ];
    
    /**
     * Tests attribute creation for mappings which use 'property'.
     */
    public function testProperty() {
        $properties = [
            'dc:title',
        ];
        $mapping = [
            'properties' => $properties,
        ];
        $expected_attributes = [
            'property' => $properties,
        ];
        $this->_testAttributes($expected_attributes, $mapping);
    }
    
    /**
     * Tests attribute creation for mappings which use 'datatype'.
     */
    public function testDatatype() {
        $properties = [
            'foo:bar1',
        ];
        $datatype = 'foo:bar1type';
        $mapping = [
            'datatype' => $datatype,
            'properties' => $properties,
        ];
        $expected_attributes = [
            'datatype' => $datatype,
            'property' => $properties,
        ];
        $this->_testAttributes($expected_attributes, $mapping);
    }
    
    /**
     * Tests attribute creation for mappings that override human-readable content.
     */
    public function testDatatypeCallback() {
        $properties = [
            'dc:created',
        ];
        $datatype = 'xsd:dateTime';
        $date = 1252750327;
        $iso_date = $this->container
            ->get('date.formatter')
            ->format($date, 'custom', 'c', 'UTC');
        $mapping = [
            'datatype' => $datatype,
            'properties' => $properties,
            'datatype_callback' => [
                'callable' => 'Drupal\\rdf\\CommonDataConverter::dateIso8601Value',
            ],
        ];
        $expected_attributes = [
            'datatype' => $datatype,
            'property' => $properties,
            'content' => $iso_date,
        ];
        $this->_testAttributes($expected_attributes, $mapping, [
            'value' => $date,
        ]);
    }
    
    /**
     * Tests attribute creation for mappings which use data converters.
     */
    public function testDatatypeCallbackWithConverter() {
        $properties = [
            'schema:interactionCount',
        ];
        $data = "23";
        $content = "UserComments:23";
        $mapping = [
            'properties' => $properties,
            'datatype_callback' => [
                'callable' => 'Drupal\\rdf\\SchemaOrgDataConverter::interactionCount',
                'arguments' => [
                    'interaction_type' => 'UserComments',
                ],
            ],
        ];
        $expected_attributes = [
            'property' => $properties,
            'content' => $content,
        ];
        $this->_testAttributes($expected_attributes, $mapping, $data);
    }
    
    /**
     * Tests attribute creation for mappings which use 'rel'.
     */
    public function testRel() {
        $properties = [
            'sioc:has_creator',
            'dc:creator',
        ];
        $mapping = [
            'properties' => $properties,
            'mapping_type' => 'rel',
        ];
        $expected_attributes = [
            'rel' => $properties,
        ];
        $this->_testAttributes($expected_attributes, $mapping);
    }
    
    /**
     * Helper function to test attribute generation.
     *
     * @param array $expected_attributes
     *   The expected return of rdf_rdfa_attributes.
     * @param array $field_mapping
     *   The field mapping to merge into the RDF mapping config.
     * @param mixed $data
     *   The data to pass into the datatype callback, if specified.
     */
    protected function _testAttributes($expected_attributes, $field_mapping, $data = NULL) {
        $mapping = rdf_get_mapping('node', 'article')->setFieldMapping('field_test', $field_mapping)
            ->getPreparedFieldMapping('field_test');
        $attributes = rdf_rdfa_attributes($mapping, $data);
        ksort($expected_attributes);
        ksort($attributes);
        $this->assertEquals($expected_attributes, $attributes);
    }

}