factory.rb

module Factory
   
  def self.hash(name, attributes = {})
    self.send("#{name}_hash").merge(attributes)
  end 
  
  def self.build(name, attributes = {})
    Kernel.const_get(name.to_s.capitalize).new(self.hash(name, attributes))
  end
  
  def self.create(name, attributes = {})
    Kernel.const_get(name.to_s.capitalize).create(self.hash(name, attributes))
  end
    
end