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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\Framework\Constraint;
use function sprintf;
use Exception;
use PHPUnit\Util\RegularExpression as RegularExpressionUtil;
/**
* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
*/
final class ExceptionMessageRegularExpression extends Constraint
{
/**
* @var string
*/
private $expectedMessageRegExp;
public function __construct(string $expected)
{
$this->expectedMessageRegExp = $expected;
}
public function toString(): string
{
return 'exception message matches ';
}
/**
* Evaluates the constraint for parameter $other. Returns true if the
* constraint is met, false otherwise.
*
* @param \PHPUnit\Framework\Exception $other
*
* @throws \PHPUnit\Framework\Exception
* @throws Exception
*/
protected function matches($other): bool
{
$match = RegularExpressionUtil::safeMatch($this->expectedMessageRegExp, $other->getMessage());
if ($match === false) {
throw new \PHPUnit\Framework\Exception(
"Invalid expected exception message regex given: '{$this->expectedMessageRegExp}'"
);
}
return $match === 1;
}
/**
* 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.
*
* @param mixed $other evaluated value or object
*/
protected function failureDescription($other): string
{
return sprintf(
"exception message '%s' matches '%s'",
$other->getMessage(),
$this->expectedMessageRegExp
);
}
}
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