setup_fixture_accessors

# File activerecord/lib/active_record/test_fixtures.rb, line 85
      def setup_fixture_accessors(fixture_set_names = nil)
        fixture_set_names = Array(fixture_set_names || fixture_table_names)
        unless fixture_set_names.empty?
          self.fixture_sets = fixture_sets.dup
          fixture_set_names.each do |fs_name|
            key = fs_name.to_s.include?("/") ? -fs_name.to_s.tr("/", "_") : fs_name
            key = -key.to_s if key.is_a?(Symbol)
            fs_name = -fs_name.to_s if fs_name.is_a?(Symbol)
            fixture_sets[key] = fs_name
          end
        end
      end