[rspec-users] [Rails] specifying that a layout yields?

Matt Wynne matt at mattwynne.net
Mon Mar 30 03:39:57 EDT 2009

On 29 Mar 2009, at 02:33, Brandt Kurowski wrote:

> I recently had a bug in a layout due to the layout not calling "yield"
> to display the actual content. I wanted to write a spec to describe
> what was missing, but it wasn't obvious how, so I just fixed the
> problem first and doubled back to spec it later.
> Anyway, the most succinct thing I was able to come up with was the
> following:
>  # http://gist.github.com/87246
>  describe "/layouts/application" do
>    it "should show the content" do
>      class << template
>        attr_accessor :did_render_content
>      end
>      template.did_render_content = false
>      render :inline => "<% self.did_render_content = true
> %>", :layout => 'application'
>      template.did_render_content.should be_true
>    end
>  end
> But I'm not quite satisfied with this, as it's not as clear and
> expressive as specs usually are. I thought I'd write a custom matcher
> for it, but it's not obvious to me what I'd even want the spec to look
> like.
> Any ideas?
> Thanks,
> Brandt

That's some pretty nifty code Brandt :)

Did you consider testing this aspect of the view's behaviour from a  
higher-level Cucumber acceptance test? I think that's what I would  
have probably done.

Matt Wynne

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