[rspec-users] Monitor method invoking from superclass

Zhi-Qiang Lei
Thu, 30 Sep 2010 14:36:28 -0000

On Sep 30, 2010, at 9:56 PM, Rick DeNatale wrote:

> On Thu, Sep 30, 2010 at 9:45 AM, David Chelimsky <dchelimsky at
gmail.com> wrote:
>> On Sep 30, 2010, at 8:20 AM, Zhi-Qiang Lei wrote:
>
>>>>> I want to if B is receive ''super''
message. Thanks.
>>>>
>>>> I understand what you meant, but I don''t understand
why you want to do this. What is the bigger problem you are trying to solve? Why
do you want to monitor when super gets called?
>>>
>>> Thank you. Actually what I want is just to write a test case for
it, with rspec.
>>
>> You can not.
>
> And following up on David''s reply, I don''t think you
should, Lei.
>
> What you really should be testing that the observable effects of the
> call are ''as if'' the super call were made.
>
> If you could test that the super call was made it would be testing
> that the implementation were a certain way more than the behavior of
> the object, and that''s the road to writing brittle tests.
>
> --
> Rick DeNatale
>
> Blog: http://talklikeaduck.denhaven2.com/
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In my case, there is already a test case for the method in class A, and its
feature is complex. So I was trying to test the super call but observable effect
for simple. Anyway, thank you both.