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<?php
/*
* This file is part of PhpSpec, A php toolset to drive emergent
* design by specification.
*
* (c) Marcello Duarte <marcello.duarte@gmail.com>
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PhpSpec\Matcher;
use PhpSpec\Formatter\Presenter\PresenterInterface;
use PhpSpec\Exception\Example\FailureException;
class TypeMatcher extends BasicMatcher
{
/**
* @var array
*/
private static $keywords = array(
'beAnInstanceOf',
'returnAnInstanceOf',
'haveType',
'implement'
);
/**
* @var PresenterInterface
*/
private $presenter;
/**
* @param PresenterInterface $presenter
*/
public function __construct(PresenterInterface $presenter)
{
$this->presenter = $presenter;
}
/**
* @param string $name
* @param mixed $subject
* @param array $arguments
*
* @return bool
*/
public function supports($name, $subject, array $arguments)
{
return in_array($name, self::$keywords)
&& 1 == count($arguments)
;
}
/**
* @param mixed $subject
* @param array $arguments
*
* @return bool
*/
protected function matches($subject, array $arguments)
{
return (null !== $subject) && ($subject instanceof $arguments[0]);
}
/**
* @param string $name
* @param mixed $subject
* @param array $arguments
*
* @return FailureException
*/
protected function getFailureException($name, $subject, array $arguments)
{
return new FailureException(sprintf(
'Expected an instance of %s, but got %s.',
$this->presenter->presentString($arguments[0]),
$this->presenter->presentValue($subject)
));
}
/**
* @param string $name
* @param mixed $subject
* @param array $arguments
*
* @return FailureException
*/
protected function getNegativeFailureException($name, $subject, array $arguments)
{
return new FailureException(sprintf(
'Did not expect instance of %s, but got %s.',
$this->presenter->presentString($arguments[0]),
$this->presenter->presentValue($subject)
));
}
}
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