delegate_matcher.rb

#usage: Incident.new.should delegate(:batch_code, :to => :incident_batch)
Spec::Matchers.define :delegate do |method_name, options|
  match do |delegator|
    associated_receiver = options[:to]
    expected_value = 'TEST'
    receiver = Spec::Mocks::Mock.new(associated_receiver, method_name => expected_value)
    ##retrieval
    delegator.stub!(associated_receiver => receiver)
    delegator.send(method_name) == expected_value

#    ##assignment
#    unless options[:readonly]
#      new_value = 'TEST'
#      delegator.receiver.should_receive("#{method_name}=").with(new_value)
#      delegator.send("#{method_name}=")
#    end
end

if __FILE__ == $0
  #TODO: why doesn't this work?
  puts "Running specs..."
#  class Integer
#    delegate :to_s, :to => :class
#  end
  puts "TODO: This should fail since we haven't added the delegate code yet.."

  describe 9 do
    it {should delegate(:to_s, :to => :class)}
  end
end