From: Alex Young <alex@...>
Date: 2009-04-20T22:52:28+09:00
Subject: Re: [Mocha] expects.at_least_once VS stubs

Fernando Perez wrote:
> Hi,
> 
> In a Rails app, I often find myself having to write
> expects(:whatever).at_least_once.returns("some_value"), so it clutters
> my test and I simply ditch expects() in favor of stubs() which won't
> yell at me because some method was called more than once.
> 
> What do you usually use?

It varies from test to test depending on whether a failure actually 
matters from the point of view of that test. If I am checking, in the 
current test, that a method actually gets called, such that it's a 
failure if it doesn't, then I use #expects. If I just need to fake a 
response to get down a certain code path to test something later, I use 
#stubs. Errors masked by using #stubs should get caught by other tests 
where those calls are mocked with #expects.

I find I don't use #at_least_once very much. Either the method gets 
called once, or it gets called in a sequence that I control and should 
be checking for explicitly with #in_sequence.

--
Alex
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