[Rails] Re: Why does 'extend ActiveSupport::Concern' cause `undefined method 'recycle!'`?

On Dec 2, 7:22 pm, Weston Platter <westonplat...@gmail.com> wrote:
> What you said makes sense.
>
> I incorrectly said I commented out
> include MyEngine::SomeController
>
> when I meant to say commenting out
> extend ActiveSupport::Concern
>

Calling extend activesupport::concern on a controller sounds like a
weird thing to do
- it's supposed to be used on modules. What were you trying to do
with it?

Fred


> fixes the issue.
>
> The codeabse is here,https://github.com/twinge/questionnaire_engine/tree/8836c2a3b92e676ea...
> .
>
> The specific Controller Class is here,https://github.com/twinge/questionnaire_engine/blob/8836c2a3b92e676ea...
>
> The specific Controller Spec test is here,https://github.com/twinge/questionnaire_engine/blob/8836c2a3b92e676ea...
>
>
>
>
>
>
>
> On Saturday, December 1, 2012 7:11:02 PM UTC-6, Frederick Cheung wrote:
>
> > On Dec 1, 7:19 pm, Weston Platter <westonplat...@gmail.com> wrote:
>
> > > But, this breaks my rpsec controller tests because of an undefined
> > > "recycle" method.
>
> > > 12) Qe::Admin::QuestionPagesController POST reorder
> > >      Failure/Error: xhr :post, :create,
> > >      NoMethodError:
> > >        undefined method `recycle!' for
> > > #<Qe::Admin::QuestionPagesController:0x007f80aa1c7528>
> > >      # ./spec/controllers/admin/pages_controller_spec.rb:69:in `block (2
> > > levels) in <top (required)>'
>
> > > When I comment out the "include MyEngine::Controller" everything passes.
>
> > If it's commenting out the include that fixes things, why are you so
> > sure that it's the extend at fault rather than something else in the
> > module? Personally I'd be inclined to thing that by including your
> > module you're accidentally shadowing an existing method on the
> > controller - if you were to show a minimal example that reproduces the
> > problem rather than dummy code someone might be able to have a guess
> > (I suspect the issue may have been lost in translation from your
> > actual code to the example you gave since the latter isn't valid ruby
> > (for example you're including a class rather than a module)
>
> > Fred
> > > Why?

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