From: Josh Cheek <josh.cheek@...>
Date: 2010-03-30T22:15:29+09:00
Subject: Re: Using of module and "Is not missing constant" error

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On Tue, Mar 30, 2010 at 5:47 AM, Benoit Molenda <devanth@gmail.com> wrote:

> Brian Candler wrote:
> > Benoit Molenda wrote:
> >> Josh Cheek wrote:
> >>> Classes and modules are constants, so their names need to begin with
> >>> Uppercase Letters.
> >>
> >> Yes, sorry for my exemple, my real code follow of course the naming
> >> style.
> >
> > So show a real piece of Ruby code which replicates the problem -
> > something we can paste into a file and run for ourselves.
> >
> > Often, in boiling down a problem into a simple test case like that,
> > you'll discover what the problem is. And if you don't, you will have
> > made it much easier for others to determine what the problem is.
> Sure.
>
> I create a test app with this code.
> In app/controller/local/class_generator_controller.rb :
>
> class Local::VerticalGeneratorController < ApplicationController
>  def index
>    @models = VerticalBuilder::Vertical.list
>    @models = VerticalBuilder::Vertical.list #second call raise an
> exception
>  end
> end
>
> In lib/local/vertical_builder/vertical.rb :
> module Local
>  module VerticalBuilder
>    class Vertical
>      def self.list
>       []
>      end
>    end
>  end
> end
>
> I get the same error when I call
> http://localhost:3000/local/vertical_generator :
> Local is not missing constant VerticalBuilder!
> It seams that Ruby try to load each time the Constant instead of look
> into already loaded...
> --
> Posted via http://www.ruby-forum.com/.
>
>
I think this is going to be a Rails question about how Rails handles loading
files / environments.

But a few thoughts to look at:

What happens if you say Local::VerticalBuilder::Vertical.list ?

What happens if you run your server in production mode?

What happens if you place the code into an initializer instead of lib?

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