setup_fixture_accessors

# File activerecord/lib/active_record/fixtures.rb, line 878
      def setup_fixture_accessors(fixture_set_names = nil)
        fixture_set_names = Array(fixture_set_names || fixture_table_names)
        methods = Module.new do
          fixture_set_names.each do |fs_name|
            fs_name = fs_name.to_s
            accessor_name = fs_name.tr('/', '_').to_sym

            define_method(accessor_name) do |*fixture_names|
              force_reload = fixture_names.pop if fixture_names.last == true || fixture_names.last == :reload

              @fixture_cache[fs_name] ||= {}

              instances = fixture_names.map do |f_name|
                f_name = f_name.to_s
                @fixture_cache[fs_name].delete(f_name) if force_reload

                if @loaded_fixtures[fs_name][f_name]
                  @fixture_cache[fs_name][f_name] ||= @loaded_fixtures[fs_name][f_name].find
                else
                  raise StandardError, "No fixture named '#{f_name}' found for fixture set '#{fs_name}'"
                end
              end

              instances.size == 1 ? instances.first : instances
            end
            private accessor_name
          end
        end
        include methods
      end