+++ /dev/null
-<?php
-
-/*
- * This file is part of the Behat.
- * (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 Behat\Testwork\Argument;
-
-use Behat\Testwork\Argument\Exception\UnknownParameterValueException;
-use ReflectionFunctionAbstract;
-use ReflectionMethod;
-use ReflectionParameter;
-
-/**
- * Validates function arguments.
- *
- * @author Konstantin Kudryashov <ever.zet@gmail.com>
- */
-final class Validator
-{
- /**
- * Validates that all arguments are in place, throws exception otherwise.
- *
- * @param ReflectionFunctionAbstract $function
- * @param mixed[] $arguments
- *
- * @throws UnknownParameterValueException
- */
- public function validateArguments(ReflectionFunctionAbstract $function, array $arguments)
- {
- foreach ($function->getParameters() as $num => $parameter) {
- $this->validateArgument($parameter, $num, $arguments);
- }
- }
-
- /**
- * Validates given argument.
- *
- * @param ReflectionParameter $parameter
- * @param integer $parameterIndex
- * @param array $givenArguments
- */
- private function validateArgument(ReflectionParameter $parameter, $parameterIndex, array $givenArguments)
- {
- if ($parameter->isDefaultValueAvailable()) {
- return;
- }
-
- if (array_key_exists($parameterIndex, $givenArguments)) {
- return;
- }
-
- if (array_key_exists($parameter->getName(), $givenArguments)) {
- return;
- }
-
- throw new UnknownParameterValueException(sprintf(
- 'Can not find a matching value for an argument `$%s` of the method `%s`.',
- $parameter->getName(),
- $this->getFunctionPath($parameter->getDeclaringFunction())
- ));
- }
-
- /**
- * Returns function path for a provided reflection.
- *
- * @param ReflectionFunctionAbstract $function
- *
- * @return string
- */
- private function getFunctionPath(ReflectionFunctionAbstract $function)
- {
- if ($function instanceof ReflectionMethod) {
- return sprintf(
- '%s::%s()',
- $function->getDeclaringClass()->getName(),
- $function->getName()
- );
- }
-
- return sprintf('%s()', $function->getName());
- }
-}