UrlResolver.php

<?php

namespace Drupal\media_test_oembed;

use Drupal\media\OEmbed\UrlResolver as BaseUrlResolver;

/**
 * Overrides the oEmbed URL resolver service for testing purposes.
 */
class UrlResolver extends BaseUrlResolver {
    
    /**
     * Sets the endpoint URL for an oEmbed resource URL.
     *
     * @param string $url
     *   The resource URL.
     * @param string $endpoint_url
     *   The endpoint URL.
     */
    public static function setEndpointUrl($url, $endpoint_url) {
        $urls = \Drupal::state()->get(static::class, []);
        $urls[$url] = $endpoint_url;
        \Drupal::state()->set(static::class, $urls);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getResourceUrl($url, $max_width = NULL, $max_height = NULL) {
        $urls = \Drupal::state()->get(static::class, []);
        if (isset($urls[$url])) {
            return $urls[$url];
        }
        return parent::getResourceUrl($url, $max_width, $max_height);
    }

}