[erlang-questions] Quickcheck'ing a protocol

Pierre Fenoll <>
Thu Sep 22 07:57:58 CEST 2016

Have you tried using PropEr / Quickcheck statem?
PropEr is free & open source & I use it to quickcheck RESTfull APIs.

Pierre Fenoll

On 22 September 2016 at 05:45, Josh Adams <> wrote:

> So I've been frustrated lately by the fact that Slack's IRC gateway isn't
> RFC 2812 compliant (https://github.com/bitwalker/exirc/issues/51)
> In dealing with this I wondered why the crap they needed an engineer to go
> through the spec as a result of their server's response to figure out that
> this was an issue (they've added it to their bug tracker, so I have some
> amount of faith it might get fixed eventually - for now I'll paper over the
> issue in the client which reduces the stress on them to actually fix it
> though).
> Should RFCs / protocols of this nature just come with something like a
> quickcheck model for their spec?  Is anyone aware of prior art around this
> sort of thing aside from Quvic/Volvo that I could draw from if I wanted to
> fiddle in this arena?
> I'd think that the ideal situation involves an open source quickcheck
> implementation to test a given protocol implementation against at least
> some of the RFC, and a means to run the tests against potential
> servers/clients, with badges potentially showing the percentage of the test
> that passes.  This would allow economics to drive spec implementers towards
> correctness, which would save countless engineer-hours spent figuring out
> why the damn clients can't talk to the damn servers for a given spec.
> Thoughts?  Pipe dream?  "Silly child, see A, B, and C for the many people
> who are already doing this?"
> --
> Josh Adams
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