From: Shanti Braford <shanti@...>
Date: 2007-01-05T20:22:44+09:00
Subject: Including core class extensions from gems

Hey all,

This question could just as easily be a good fit for the RoR list, but I
figured it's really more of a Ruby question, pertaining to a
Rails-specific gem in this case.

What I'm trying to do... is leverage Rails' activesupport gem.
Specifically, the new Hash.from_xml method (and all of its related
dependencies).

> gem list | grep activesupport
activesupport (1.3.1, 1.2.5)

Check.

This is where I'm a little befuddled as to how to do this the Ruby
way...

A simple test I've worked up to demonstrate whether or not this is
working (hash_from_xml_test.rb):

require 'rubygems'
require_gem 'activesupport', '>= 1.3.1'
require 'active_support'
require 'active_support/core_ext'

class HashFromXmlTest < Test::Unit::TestCase
  def test_hash_from_xml
    h = Hash.from_xml('<foo>bar</foo>')
    assert h.is_a?(Hash)
  end
end


Running this gives a "NoMethodError: undefined method `from_xml' for
Hash:Class".

Any ideas?

Cheers,

- Shanti
http://onwebapps.com/

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