[erlang-questions] how: Mock processes in a test setup

[Zvi]

Christian,

I also interested in this subject. I'm not an expert, but I think that
standard way to implement mockups/stubs/simulations in Erlang it's using
callback modules, especially in OTP.
I.e. suppose you have gen_fsm process controlling some fancy hardware. The
hardware is not available yet, so you write mockup gen_fsm callback module:  
fancy_hw_sim . When actual hardware is available, you write   fance_hw_real 
callback module.  Then you either put callback name into define or choose it
at runtime at start / start_link .

Zvi



Christian S wrote:
> 
> Hi, I'm looking at a java testing tool called EasyMock. It allows you
> to create an object that adheres to a java interface, but set it up to
> what calls (their order) it should expect, then throw it into a test
> scenario to see if expectations are met.
> 
> http://www.easymock.org/EasyMock2_3_Documentation.html
> 
> I wonder, have someone attempted to implement something similar in Erlang?
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