HoldTestHelper.php

<?php

declare (strict_types=1);
namespace Drupal\hold_test;

use Drupal\hold_test\EventSubscriber\HoldTestSubscriber;

/**
 * Contains methods for testing hold request/response.
 */
class HoldTestHelper {
    
    /**
     * Request hold.
     *
     * @param bool $status
     *   TRUE - enable hold, FALSE - disable hold.
     */
    public static function requestHold(bool $status) : void {
        $site_path = \Drupal::getContainer()->getParameter('site.path');
        file_put_contents($site_path . '/hold_test_request.txt', $status);
        // If we're releasing the hold wait for a bit to allow the subscriber to
        // read the file.
        if (!$status) {
            usleep(HoldTestSubscriber::WAIT * 2);
        }
    }
    
    /**
     * Response hold.
     *
     * @param bool $status
     *   TRUE - enable hold, FALSE - disable hold.
     */
    public static function responseHold(bool $status) : void {
        $site_path = \Drupal::getContainer()->getParameter('site.path');
        file_put_contents($site_path . '/hold_test_response.txt', $status);
        // If we're releasing the hold wait for a bit to allow the subscriber to
        // read the file.
        if (!$status) {
            usleep(HoldTestSubscriber::WAIT * 2);
        }
    }

}