RequiresComposerTrait.php

<?php

declare (strict_types=1);
namespace Drupal\TestTools\Extension;

use Symfony\Component\Process\ExecutableFinder;

/**
 * Ensures Composer executable is available, skips test otherwise.
 */
trait RequiresComposerTrait {
    
    /**
     * @beforeClass
     */
    public static function requiresComposer() : void {
        if (!(new ExecutableFinder())->find('composer')) {
            static::markTestSkipped('This test requires the Composer executable to be accessible.');
        }
    }

}