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<?php
namespace hanneskod\readmetester\Expectation;
use hanneskod\readmetester\Result;
use UnexpectedValueException;
/**
* Validate that correct data is returned
*/
class ReturnExpectation implements ExpectationInterface
{
* @var Regexp Expression matching return value
private $regexp;
* Set regular expression matching return value
*
* @param Regexp $regexp
public function __construct(Regexp $regexp)
$this->regexp = $regexp;
}
* Validate that correct value is returned
* @param Result $result
* @return null
* @throws UnexpectedValueException If return value does not match regular expression
public function validate(Result $result)
$return = $this->makeString($result->getReturnValue());
if (!$this->regexp->isMatch($return)) {
throw new UnexpectedValueException(
"Failed asserting that return value matches {$this->regexp}"
);
private function makeString($value)
if (is_scalar($value)) {
return (string)$value;
} elseif (is_null($value)) {
return '';
} elseif (is_object($value) && method_exists($value, '__toString' )) {
throw new UnexpectedValueException("Unable to convert return value into string");
hanneskod /
readme-tester
