class Shoulda::Matchers::ActiveRecord::AssociationMatchers::OrderMatcher

def description
  "order => #{order}"
end

def initialize(order, name)
  @order = order
  @name = name
  @missing_option = ''
end

def matches?(subject)
  self.subject = ModelReflector.new(subject, name)
  if option_verifier.correct_for_relation_clause?(:order, order)
    true
  else
    self.missing_option = "#{name} should be ordered by #{order}"
    false
  end
end

def option_verifier
  @option_verifier ||= OptionVerifier.new(subject)
end