[mocha-developer] Mocking system/`

Jonathan Younger daikini at gmail.com
Tue Jun 12 13:06:13 EDT 2007


On Jun 11, 2007, at 11:18 PM, jpywtora at calpoly.edu wrote:

> Great; However, I was hoping to see how to mock the backtics, any  
> ideas?
>
> Object.any_instance.expects(:`).with("ls")   # my guess, but is wrong
>

Try adding double quotes around the backtick like this:

.expects(:"`").with("ls")

-Jonathan


> --- Original Message ---
>> Bah, turned out to be a Merb reloading bug. Nevermind.
>>
>> On 6/11/07, Frederick Cheung <fred at 82ask.com> wrote:
>>>
>>> On 11 Jun 2007, at 23:19, Kevin Clark wrote:
>>>
>>>> This drives me insane on a regular basis. How does one mock
>>>> system('blah') or `blah` ?
>>>>
>>>> Adding expectations on Kernel doesn't do it. Adding expectations on
>>>> Object just makes me sad:
>>>>
>>>> Object.any_instance.expects(:system).with('ls')
>>>>   # => #<Mock:0x12b584e>.system('ls') - expected calls: 0, actual
>>>> calls: 1
>>>>
>>>> And this really shouldn't work (and doesn't):
>>>>
>>>> Object.expects(:system).with('ls')
>>>>   # => #<Mock:0x12f287a>.system('ls') - expected calls: 1, actual
>>>> calls: 0
>>>>
>>>> Anyone have a trick they like?
>>>
>>> system etc... are in a module that is included most places, so if we
>>> have
>>>
>>> class Foo
>>>    def my_method_calling_system
>>>      system('echo "hello world"')
>>>    end
>>> end
>>>
>>> Then you need to do something like
>>>
>>> f = Foo.new
>>> f.expects(:system).
>>> f.my_method_calling_system
>>>
>>>
>>> I would have expected Object.any_instance.expects(:system) to work
>>> but a cursory attempt suggests it doesn;t
>>>
>>> Fred
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> mocha-developer mailing list
>>> mocha-developer at rubyforge.org
>>> http://rubyforge.org/mailman/listinfo/mocha-developer
>>>
>>
>>
>> -- 
>> Kevin Clark
>> http://glu.ttono.us
>> _______________________________________________
>> mocha-developer mailing list
>> mocha-developer at rubyforge.org
>> http://rubyforge.org/mailman/listinfo/mocha-developer
>
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