public function testMissingData()
 {
     $jobConfig = JobConfig::create(['endpoint' => 'ep', 'responseFilter' => 'out.arr[].in']);
     $filter = Filter::create($jobConfig);
     $data = [(object) ['id' => 1, 'out' => (object) ['arr' => [(object) ['in' => 'string'], (object) ['uh' => 'no "in" here!'], (object) ['in' => ['str', 'ing']]]]]];
     self::assertEquals([(object) ['id' => 1, 'out' => (object) ['arr' => [(object) ['in' => 'string'], (object) ['uh' => 'no "in" here!'], (object) ['in' => '["str","ing"]']]]]], $filter->run($data));
 }
 /**
  * Filters the $data array according to
  * $config->getConfig()['responseFilter'] and
  * returns the filtered array
  *
  * @param JobConfig $config
  * @param array $data
  * @return array
  * @todo allow nesting
  * @todo turn into a module
  */
 protected function filterResponse(JobConfig $config, array $data)
 {
     $filter = Filter::create($config);
     return $filter->run($data);
 }