Is it possible to save a random value from a JSON response? (Not all of them and then do a random)

[robert.ha...@hotmail.com]

Hi!

I'm trying to test a webservice where the response is unpredictable. It might return 0 to 2000 items in the response. 

The repsonse contains among other things an url, and I would like to pick one at random.

I know that you could save all items with jsonPath("some json path").findAll.optional.saveAs("myurls") and then use them as ${myurls.random()}.

But since my response can contain up to 2000 urls which I thought would be inefficient to save to memory. Is it possible to pick one at random right from the response without saving them all to memory first?

Regards

Robert

[Stéphane LANDELLE]

Hi,

Will be featured in Gatling 3: https://github.com/gatling/gatling/issues/3088

For now, only in previews available for our support subscribers.

Regards,

Stéphane Landelle

GatlingCorp CEO

slan...@gatling.io

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[Vu Nguyen]

Robert,

Could transform be a temporary solution until Gatling 3?

http://gatling.io/docs/2.2.2/http/http_check.html#transforming

Example:

jsonPath("some json path").findAll.transform(Random.shuffle(_).head).optional.saveAs("rand_url")

[robert.ha...@hotmail.com]

Yeah, it works.

Thank you Vu!