Thanks for the reply David, works a treat. I''ll probably end up
refacting away from that design but right now that''s exactly what I
need.
Regards
Rhydian
On May 17, 9:10?am, David Chelimsky <dchelim... at gmail.com>
wrote:> On May 15, 2010, at 2:56 AM, rhydiant wrote:
>
>
>
> > I''m writting a code example for the following method:
>
> > ? ?def upload(email_address, product_data)
> > ? ? ?errors = []
> > ? ? ?user = resolve_user_from(email_address)
> > ? ? ?product_file_name = ProductFileHandler.persist(user,
> > product_data, errors)
> > ? ? ?if errors.blank?
> > ? ? ? ?# ... do some stuff
> > ? ? ?else
> > ? ? ? ?# ... do some other stuff
> > ? ? ?end
> > ? ?end
>
> > ProductFileHandler.persist will add any errors it encounters to the
> > errors array I pass in. In my test of upload, I want to stub that
> > error array with different values. After much googling and RSpec doc
> > searching I can''t find a way to stub arguments like that? Is
this
> > possible with RSpec?
>
> Assuming your goal is to test the different branches of the "if
errors.blank?" conditional, you could do something like this:
>
> ProductFileHandler.stub(:persist) do |_,_,errors|
> ? # add stuff to errors here
> ? # return a reasonable value for product_file_name here
> end
>
> When the ProductFileHandler class receives the persist message, it will now
invoke this block with the three arguments it receives (user, product_data,
errors). Make sense?
>
> This is pretty invasive but, given the current design, probably the
simplest way to go. If you want something less invasive, you probably need to
change the design.
>
> HTH,
> David
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