Codeception Raml Helper

Raml.php

<?php
namespace Helper;

// here you can define custom actions
// all public methods declared in helper class will be available in $I

class Raml extends \Codeception\Module
{
    public function parseSchemaFor($type)
    {
        $parser = new \Raml\Parser(); // should be started in `_beforeSuite()`
        $apiDef = $parser->parse(codecept_root_dir('api.raml'), true); // should be moved to config
        $types = $apiDef->getTypes();
        $type = $types->getTypeByName($type);
        $type->validate(json_decode($this->getModule('REST')->grabResponse()));
        if (!$type->isValid()) {
            $this->fail(implode(', ', $type->getErrors()));
        }
    }
}