io.gatling.http.check.body.HttpBodyJsonpJsonPathCheckBuilder.scala Maven / Gradle / Ivy

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/**
 * Copyright 2011-2014 eBusiness Information, Groupe Excilys (www.ebusinessinformation.fr)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 		http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gatling.http.check.body

import com.typesafe.scalalogging.slf4j.StrictLogging

import io.gatling.core.check.Preparer
import io.gatling.core.check.extractor.jsonpath.{ BoonParser, CountJsonPathExtractor, JacksonParser, JsonFilter, MultipleJsonPathExtractor, SingleJsonPathExtractor }
import io.gatling.core.session.{ Expression, RichExpression }
import io.gatling.core.util.StringHelper.{ DirectCharsBasedStringImplementation, stringImplementation }
import io.gatling.core.validation.{ FailureWrapper, SuccessWrapper }
import io.gatling.http.check.{ HttpCheckBuilders, HttpMultipleCheckBuilder }
import io.gatling.http.response.Response

trait HttpBodyJsonpJsonPathOfType {
  self: HttpBodyJsonpJsonPathCheckBuilder[String] =>

  def ofType[X](implicit jsonFilter: JsonFilter[X]) = new HttpBodyJsonpJsonPathCheckBuilder[X](path)
}

object HttpBodyJsonpJsonPathCheckBuilder extends StrictLogging {

  val jsonpRegex = """^\w+(?:\[\"\w+\"\]|\.\w+)*\((.*)\)$""".r

  val jsonpPreparer: Preparer[Response, Any] = {

    val jsonParser = stringImplementation match {
      case DirectCharsBasedStringImplementation => BoonParser
      case _                                    => JacksonParser
    }

    response =>
      val charBuffer = response.body.string
      charBuffer match {
        case jsonpRegex(jsonp) =>
          try {
            jsonParser.parse(jsonp).success
          } catch {
            case e: Exception =>
              val message = s"Could not parse JSONP string into a JSON object: ${e.getMessage}"
              logger.info(message, e)
              message.failure
          }
        case _ =>
          val message = "Regex could not extract JSON object from JSONP response"
          logger.info(message)
          message.failure
      }
  }

  def jsonpJsonPath(path: Expression[String]) = new HttpBodyJsonpJsonPathCheckBuilder[String](path) with HttpBodyJsonpJsonPathOfType
}

class HttpBodyJsonpJsonPathCheckBuilder[X](private[body] val path: Expression[String])(implicit groupExtractor: JsonFilter[X])
    extends HttpMultipleCheckBuilder[Any, X](HttpCheckBuilders.stringBodyCheckFactory, HttpBodyJsonpJsonPathCheckBuilder.jsonpPreparer) {
  def findExtractor(occurrence: Int) = path.map(new SingleJsonPathExtractor(_, occurrence))
  def findAllExtractor = path.map(new MultipleJsonPathExtractor(_))
  def countExtractor = path.map(new CountJsonPathExtractor(_))
}