Wonky Rspec thing

demeter_spec.rb

require 'gimme'
require 'demeter'

BASE_DIR = "/tmp"

module DemeterHelper
  def default_config
    config = Hash.new
    config[:service] = :service
  end
end

module Demeter
  describe Controller do
    include DemeterHelper

    before :each do
      let(:config) { default_config }
    end

    describe "Service" do
      before :all do 
        service_mock = gimme Service
        config[:service] = service_mock  #Blows up here, see below
      end
    end
  end
end

#  1) Demeter::Controller Service
#     Failure/Error: config[:service] = service_mock
#     NameError:
#       undefined local variable or method `config' for #<#<Class:0x11646fef3>::Nested_1:0x6ecb741e>
#     # org/jruby/RubyKernel.java:238:in `method_missing'
#     # ./spec/lib/demeter_spec.rb:XXX:in `Demeter'
#     # org/jruby/RubyKernel.java:2061:in `instance_eval'
#     # org/jruby/RubyArray.java:2336:in `collect'
#     # org/jruby/RubyArray.java:2336:in `collect'
#    # org/jruby/RubyArray.java:2336:in `collect'