[erlang-questions] Testing api with jsongen and quickcheck

[Mark Bruch]

On Fri, Aug 21, 2015 at 7:33 PM, Garret Smith <garret.smith@REDACTED> wrote:
> On Fri, Aug 21, 2015 at 10:24 AM, Kenneth Lakin <kennethlakin@REDACTED> wrote:
>> On 08/21/2015 09:27 AM, Mark Bruch wrote:
>>> Unfortunately [jsongen] doesn't compile on any of
>>> my machines.
>>
>> It fails to compile with rebar3 on my machine, too.
>>
>> Stupid question, but do you have QuickCheck installed? The missing
>> include files that the build whines about seem to be related to QuickCheck.
>>
>> I found an eqcmini GitHub project, but that doesn't seem to provide
>> enough to get jsongen to build.
>>
>>
>>
>>
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>
> Same problem with eqc.hrl here, once I replace 'make' with 'gmake'
> since I'm on FreeBSD.
>
> It's a different approach than jsongen, but I have a similar setup of
> a JSON API for an Erlang codebase.
> I'm using aeon* to convert JSON <=> Erlang records and sanitize the
> json input along the way.
> Since QuickCheck (and PropEr) can use the type info in Erlang records,
> you could:
>  1) Write Erlang records that correspond to your JSON
>  2) Use QC/PropEr to generate the Erlang records
>  3) Use aeon to convert the Erlang to JSON and call your API with it
>
> *aeon: https://github.com/garret-smith/aeon
>
> Yes, aeon is my own project.  Hopefully others can use it too.
>
> -Garret
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Yes, I've got the full version of QuickCheck installed.
For me it complains on: "src/js_links_machine.erl:none:
double_occurence of callouts in js_links_machine. Only grouped
functions or ungrouped functions, not both"

Thanks for the pointers Garret, that sounds like a good and easy way
to do it. Will give your aeon a go :)