TestRequirementsTrait.php

<?php

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


/**
 * Allows test classes to require Drupal modules as dependencies.
 *
 * This trait is assumed to be on a subclass of \PHPUnit\Framework\TestCase, and
 * overrides \PHPUnit\Framework\TestCase::checkRequirements(). This allows the
 * test to be marked as skipped before any kernel boot processes have happened.
 */
trait TestRequirementsTrait {
    
    /**
     * Returns the Drupal root directory.
     *
     * @return string
     */
    protected static function getDrupalRoot() : string {
        return dirname(substr(__DIR__, 0, -strlen(__NAMESPACE__)), 2);
    }

}