Current File : /home2/selectio/www/fms-worksuite/vendor/phpunit/phpunit/src/Framework/Constraint/String/IsJson.php
<?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\Framework\Constraint;
use function json_decode;
use function json_last_error;
use function sprintf;
/**
* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
*/
final class IsJson extends Constraint
{
/**
* Returns a string representation of the constraint.
*/
public function toString(): string
{
return 'is valid JSON';
}
/**
* Evaluates the constraint for parameter $other. Returns true if the
* constraint is met, false otherwise.
*/
protected function matches(mixed $other): bool
{
if ($other === '') {
return false;
}
json_decode($other);
if (json_last_error()) {
return false;
}
return true;
}
/**
* Returns the description of the failure.
*
* The beginning of failure messages is "Failed asserting that" in most
* cases. This method should return the second part of that sentence.
*/
protected function failureDescription(mixed $other): string
{
if ($other === '') {
return 'an empty string is valid JSON';
}
json_decode($other);
return sprintf(
'%s is valid JSON (%s)',
$this->exporter()->shortenedExport($other),
$this->determineJsonError(json_last_error()),
);
}
private function determineJsonError(int $error): string
{
return match ($error) {
JSON_ERROR_NONE => '',
JSON_ERROR_DEPTH => 'Maximum stack depth exceeded',
JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch',
JSON_ERROR_CTRL_CHAR => 'Unexpected control character found',
JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON',
JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded',
default => 'Unknown error',
};
}
}
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