Re: [Rubycocoa-talk] Threads, NSTimers and rspec

[Allison N. <dem...@ma...>]

Ha! Yup, thanks Eloy, that fixed it.  I thought it must be something like that :-)

Alli
 
On Thursday, June 12, 2008, at 01:49PM, "Eloy Duran" <elo...@gm...> wrote:
>Hi Alli,
>
>The cause might be that there's no runloop.
>In all my RC tests I do the following in a test helper:
>
>Thread.new { OSX.CFRunLoopRun }
>
>(See http://github.com/alloy/webapp-app/tree/webapp-app/WebAppApplication/test/test_helper.rb 
>  for an example.)
>
>Eloy
>
>On Jun 12, 2008, at 1:39 PM, Allison Newman wrote:
>
>> Hi everyone,
>>
>> I'm trying to write a unit test at the moment that uses rspec, and  
>> I'm having some problems.
>>
>> In my app I have an NSTimer that fires every second after I call a  
>> start method on my controller.  The callback function of the timer  
>> updates some values on the screen.  It works like a charm in the  
>> real app.
>>
>> In my unitary tests, I try to call the same 'start' method, and then  
>> sleep the test thread for x seconds, at the end of which I try to  
>> verify that a counter has been incremented in my controller 5  
>> times.  The problem is that the timer callback is never called, so  
>> the counter is never updated.
>>
>> I'm guessing that this has something to do with run loops in Cocoa,  
>> and specifically that I never actually set up a Cocoa runtime in my  
>> rspec test.  Can anyone confirm this?  Does anyone have a nice  
>> elegant way of doing this sort of test?
>>
>> If not, I guess I can always manually call the timer callback  
>> manually in the test, to simulate a timer.  Trouble is, that means  
>> that I'm not actually testing the timer functionality itself, which  
>> is nevertheless an important part of my app.
>>
>> Any ideas?
>>
>> Alli
>>
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