Rails - May 2008 - Can I add a singleton action to @controller in a test?

All,

I want to create a mock action to test a filter in a functional test,
e.g.:

# Simplified example
def test_my_filter
    # Singleton action
    def @controller.foo
      assert # something
    end

    ActionController::Routing::Routes.draw do |map|
      map.connect '':controller/foo'', :action =>
''foo''
    end

    get :foo
end

My log files show that no action responds to foo, so I think I''m not
doing the routing properly.  I''m trying this in
ApplicationControllerTest, if that matters.  Is anything obviously wrong
here?

Thanks for taking the time to read this,

Brian
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On 7 May 2008, at 20:32, Brian Hartin wrote:
>
> My log files show that no action responds to foo, so I think I''m
not
> doing the routing properly.  I''m trying this in
> ApplicationControllerTest, if that matters.  Is anything obviously  
> wrong
> here?
The routing stuff is irrelevant as routing isn''t used in functional  
tests (the tests know that since you''ve got @controller you want to  
invoke actions from there). If you look at the action controller code,  
rails decides whether or not a action exists by looking at the class''  
instance methods, so singleton methods don''t get a look in. could you  
not just define a method in the class (and undef it afterwards if you  
want) or ever create a controller class on the fly just with that  
action it

Fred
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Frederick Cheung wrote:
[...]
> 
> The routing stuff is irrelevant as routing isn''t used in
functional
> tests (the tests know that since you''ve got @controller you want
to
> invoke actions from there). If you look at the action controller code,
> rails decides whether or not a action exists by looking at the
class''
> instance methods, so singleton methods don''t get a look in. could
you
> not just define a method in the class (and undef it afterwards if you
> want) or ever create a controller class on the fly just with that
> action it
> 
> Fred
> --
> My ramblings: http://www.spacevatican.org
I did the latter and it worked very well.  Thanks Fred!
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