public function __construct(ValueBag $values, ValueBag $extra, \Exception $error = null)
{
$this->values = $values->all();
$this->valueBag = $values;
$this->extra = $extra;
$this->error = $error;
}
private function extractVariables($extractions, ValueBag $values = null, Crawler $crawler = null, RequestInterface $request, ResponseInterface $response)
{
if (null === $values) {
throw new LogicException('Unable to extract variables if no ValueBag is registered.');
}
$variables = $this->createVariables($response, $crawler);
foreach ($extractions as $name => $extract) {
list($expression, $attributes) = $extract;
if (!is_array($attributes)) {
$attributes = [$attributes];
}
try {
$data = $this->language->evaluate($expression, $variables + $values->all(true));
if ($data instanceof Crawler) {
$value = $data->extract($attributes);
if (count($attributes) == 1) {
$data = count($data) > 1 ? $value : $value[0];
} else {
$data = $value;
}
}
$values->set($name, $data);
} catch (ExpressionSyntaxError $e) {
$msg = sprintf('Syntax Error in "%s": %s', $expression, $e->getMessage());
$this->logger and $this->logger->critical($msg, ['request' => $request->getHeaderLine('X-Request-Id')]);
throw new ExpectationErrorException($msg);
}
}
}
private function prepareRequest(Step $step, ValueBag $values, RequestInterface $request, $options)
{
$options['allow_redirects'] = false;
if (!$step->getDelay()) {
$options['delay'] = 0;
} else {
try {
$options['delay'] = $this->language->evaluate($step->getDelay(), $values->all(true));
} catch (ExpressionSyntaxError $e) {
$msg = sprintf('Delay syntax error in "%s": %s', $step->getDelay(), $e->getMessage());
$this->logger and $this->logger->critical($msg, ['request' => $request->getHeaderLine('X-Request-Id')]);
throw new InvalidArgumentException($msg);
}
}
unset($options['expectations']);
if ($step->getExpectations()) {
$options['expectations'] = $step->getExpectations();
}
unset($options['extractions']);
if ($step->getExtractions()) {
$options['extractions'] = $step->getExtractions();
}
foreach ($this->extensions as $extension) {
$options = $extension->prepareRequest($step, $values, $request, $options);
}
return $options;
}
private function evaluateValues(ValueBag $values, $data)
{
if (is_string($data)) {
return $this->language->evaluate($data, $values->all(false));
}
foreach ($data as $key => $value) {
$data[$key] = $this->language->evaluate($value, $values->all(false));
}
return $data;
}
private function extractVariables($extractions, ValueBag $values = null, Crawler $crawler = null, RequestInterface $request, ResponseInterface $response)
{
if (null === $values) {
throw new LogicException('Unable to extract variables if no ValueBag is registered.');
}
$variables = $this->createVariables($response, $crawler);
foreach ($extractions as $name => $expression) {
try {
$data = $this->language->evaluate($expression, $variables + $values->all(true));
if ($data instanceof Crawler) {
$data = $data->extract('_text');
$data = count($data) > 1 ? $data : $data[0];
}
$msg = sprintf('Extracting value form "%s": %s', $name, is_scalar($data) ? $data : '[Non-scalar-data]');
$this->logger and $this->logger->debug($msg, ['request' => $request->getHeaderLine('X-Request-Id')]);
$values->set($name, $data);
} catch (ExpressionSyntaxError $e) {
$msg = sprintf('Syntax Error in "%s": %s', $expression, $e->getMessage());
$this->logger and $this->logger->critical($msg, ['request' => $request->getHeaderLine('X-Request-Id')]);
throw new ExpectationErrorException($msg);
}
}
}