method 
 method_missing
 
 method_missing(method_name, *args) private  Hide source   
 # File actionmailer/lib/action_mailer/base.rb, line 628 def method_missing(method_name, *args) if action_methods.include?(method_name.to_s) MessageDelivery.new(self, method_name, *args) else super end end

 RSpec
RSpec Ruby on Rails
Ruby on Rails Ruby
Ruby 
  
  
  
  
  
 