[rspec-users] Rails: View specs and implicit parameters in link_to()

Higgaion BrianPatrickDunn at gmail.com
Fri Nov 21 09:40:04 EST 2008

I'm in the same boat - trying to test a helper that uses the
implicit :controller in a link_to, and I get an exception from rails:
ActionController::RoutingError in 'ApplicationHelper breadcrumbs
should return a link to elems section'
Need controller and action!
action_controller/routing/route_set.rb:350:in `generate'

is there a way to tell the rspec-rails helper examples that the
request that called the specified helper was to a certain controller?
anyone have a clean way of doing this?

On Oct 16, 4:31 am, Matt Wynne <m... at mattwynne.net> wrote:
> Hi all,
> I've been cleaning up our routing file, and removed the default  
> map.connect ":controller/:action" route.
> It's thrown up a bunch of sloppy mistakes, which is great, but I also  
> think I've found a problem with the view specs.
> We have a generic navbar partial which is rendered in the index page  
> of several different controllers. The navbar contains some call to  
> link_to of the form:
>         <%= link_to "By Concert", :sort => 'by_concert' %>
> Since I removed the default (catch-all) route, this fails in the view  
> specs:
> > No route matches {:action => "index", :sort => "by_concert"
> At runtime, rails seems to figure out the controller as well, and we  
> get a full URL built fine.
> I tried adding this to my specs
>         params[:controller] = "images"
> but nothing changed. I've worked around it by also doing this in the  
> view:
>         <%= link_to "By Concert", :controller => params[:controller], :sort  
> => 'by_concert' %>
> This seems kind of dirty... and it's also weird that I can't seem to  
> be able to fake the context that the views render in at runtime.
> What do other people do with this sort of problem? Am I missing  
> something obvious?
> cheers,
> Matt
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