huh.rb

require 'spec_helper'

describe LoseItDispatcher do
  describe ".deliver_phone_confirmation(user)" do
    it "should call the same method on the SmsNotifier" do
      user = mock_model(User, :phone_number => '12673346833', :null_object => true)
      SmsNotifier.should_receive(:deliver_phone_confirmation).with(user) # wrong number of arguments (2 for 1)
      LoseItDispatcher.deliver_phone_confirmation(user)
    end
  end
end

class ActionTextMessager
  def initialize(method_name=nil, *parameters)
    obj = self
    self.send(method_name, *parameters)
    obj
  end
  
  class << self
    def method_missing(method_symbol, *parameters)
      if match = matches_dynamic_method?(method_symbol)
        case match[1]
          when 'create'  then new(match[2], *parameters)
          when 'deliver' then new(match[2], *parameters).deliver!
          else super
        end
      else
        super
      end
    end
    
    # problem goes away when I get rid of this
    def respond_to?(method_symbol)
      if match = matches_dynamic_method?(method_symbol)
        instance_methods.include?(match[2])
      else
        super
      end
    end
    
    private
      def matches_dynamic_method?(method_name)
        method_name = method_name.to_s
        /^(create|deliver)_([_a-z]\w*)/.match(method_name)
      end
  end
  
  %w(number message).each do |method_name|
    define_method(method_name) do |*args|
      arg = *args # we can't set a default when defining a method this way
      if arg
        instance_variable_set("@#{method_name}", arg)
      else
        instance_variable_get("@#{method_name}")
      end
    end
  end
  
  def deliver!
    CLICKATELL_API.send_message(number, message)
  end
end