Gatling 2 - issue with foreach

[Ryan Luckie]

I am having issues with a test script. Everything seems to work fine until I reach the for loop. I am trying to perform all the actions in itemChain for each value saved to ${items} from the login response.

I receive the following error:

12:08:30.460 [ERROR] i.g.c.a.InnerWhile - Could not evaluate condition: Can't cast value item1 of type class java.lang.String into interface scala.collection.Seq, exiting loop

LoginScenario.scala

package stressTesting

import io.gatling.core.Predef._
import io.gatling.http.Predef._
import Headers._
import scala.concurrent.duration._
import bootstrap._

import io.gatling.core.session.Expression

object LoginScenario {
  val  itemChain =
    exec(
      http("Test Connection")
        .post("/inbrowser/connectionCheck.html?1390234478703")
        .headers(post_header)
        .check(status.is(200))
    )
    .pause(500 milliseconds, 2 seconds)
    .exec(
      http("Save Response")
        .post("/api/tde/testresponse/save/${item}")
        .body(ELFileBody("saveResponseTemplate.json")).asJSON
        .headers(post_header)
        .check(status.is(200))
    )
    .pause(500 milliseconds, 2 seconds)
    .exec(
      http("Save Event")
        .post("/api/tde/log/testevent/${testPartToken}")
        .body(ELFileBody("saveEventTemplate.json")).asJSON
        .headers(post_header)
        .check(status.is(200))
    )
    .pause(500 milliseconds, 2 seconds)
    .exec(
      http("Heartbeat")
        .post("/api/tde/heartbeat/${testPartToken}")
        .body(ELFileBody("heartbeatTemplate.json")).asJSON
        .headers(post_header)
        .check(status.is(200))
    )
    .pause(500 milliseconds, 2 seconds)


  val scn = scenario("Login")
    .feed(csv("user_credentials.csv"))
    .exec(
      http("Login")
        .post("/api/tde/login/test")
        .body(ELFileBody("loginTemplate.json")).asJSON
        .headers(post_header)
        .check(status.is(200))
        .check(jsonPath("$.testToken").saveAs("testToken"))
        .check(jsonPath("$.testPartToken").saveAs("testPartToken"))
        .check(jsonPath("$.items[*].identifier").saveAs("items"))
        .check(jsonPath("$.items[*].assets[*].name").saveAs("assets"))
    )

    .exec(
      http("Get Test")
        .post("/api/tde/test/${testToken}")
        .headers(post_header)
        .check(status.is(200))
    )

    .exec(
      http("Get Test Part")
        .post("/api/tde/testpart/${testPartToken}")
        .headers(post_header)
        .check(status.is(200))
    )
    .exec(
      http("Get Items")
        .post("/api/tde/item/${testPartToken}/${items}")
        .headers(post_header)
        .check(status.is(200))
    )
    .foreach("${items}", "item"){itemChain }

    .exec(
      http("Close Test")
        .post("/api/tde/closetestpart/TIMEOUT/${testPartToken}")
        .body(ELFileBody("closeTestPartTemplate.json")).asJSON
        .headers(post_header)
        .check(status.is(200))
    )
}

Sample Login Response

{
    "firstName": "User1",
    "lastName": "Test1",
    "testToken": "12345",
    "testPartToken": "4567",
    "test": {
        "identifier": "abc",
        "testName": "",
        "title": "",
        "level": "",
        "program": "asdf",
        "contentArea": "",
        "sessionStatus": "IN_PROGRESS",

    "items": [
        {
            "identifier": "item1",
        },
        {
            "identifier": "item2",
        },
        {
            "identifier": "item3",
        }

    ]
}

http://stackoverflow.com/questions/21241616/gatling-2-issue-with-foreach

[Stéphane Landelle]

Hi,

I've just answered on SOF.

Cheers,

Stéphane

2014/1/20 Ryan Luckie <rtlu...@gmail.com>

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[Ryan Luckie]

Thanks again!

[Stéphane Landelle]

My pleasure :)

2014/1/20 Ryan Luckie <rtlu...@gmail.com>