Viewing file:  RemoveEmptyFilter.php (1.53 KB) -rw-r--r--
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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\TextUI\XmlConfiguration;
use function sprintf;
use DOMDocument;
use DOMElement;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class RemoveEmptyFilter implements Migration
{
/**
* @throws MigrationException
*/
public function migrate(DOMDocument $document): void
{
$whitelist = $document->getElementsByTagName('whitelist')->item(0);
if ($whitelist instanceof DOMElement) {
$this->ensureEmpty($whitelist);
$whitelist->parentNode->removeChild($whitelist);
}
$filter = $document->getElementsByTagName('filter')->item(0);
if ($filter instanceof DOMElement) {
$this->ensureEmpty($filter);
$filter->parentNode->removeChild($filter);
}
}
/**
* @throws MigrationException
*/
private function ensureEmpty(DOMElement $element): void
{
if ($element->attributes->length > 0) {
throw new MigrationException(sprintf('%s element has unexpected attributes', $element->nodeName));
}
if ($element->getElementsByTagName('*')->length > 0) {
throw new MigrationException(sprintf('%s element has unexpected children', $element->nodeName));
}
}
}
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