gistfile1.rb

context "with associations" do
  setup do
    fake_association = Struct.new(:macro, :name, :object)
    klass_with_associations = proc{|associations|
      Class.new do
        self.class.send(:define_method, :reflect_on_all_associations) do
          associations
        end
        
        define_method(:method_missing) do |meth|
          association = associations.find{|a| a.name == meth.to_sym}
          association && association.object
        end
        
        define_method(:respond_to?) do |meth|
          associations.find{|a| a.name == meth.to_sym}
        end
      end
    }
    
    associations = []
    associations << fake_association.new(:belongs_to, :user, @instance)
    
    post_klass = klass_with_associations.call(associations)
    @post = post_klass.new
  end
  
  should "have has_role? method using association if association exists" do
    assert @instance.has_role?(:user, @post)
  end
end