edsonmedina/php_testability

<?php
namespace edsonmedina\php_testability\Contexts;

use edsonmedina\php_testability\ContextInterface;
use edsonmedina\php_testability\ContextSpecificationInterface;
use edsonmedina\php_testability\Contexts\FileContext;

class FileSpecification implements ContextSpecificationInterface
{
    public function isSatisfiedBy (ContextInterface $subject)
    {
        return ($subject instanceof FileContext);
    }
}