instance method setup_subscriptions

# File actionpack/lib/action_controller/test_case.rb, line 15
    def setup_subscriptions
      @_partials = Hash.new(0)
      @_templates = Hash.new(0)
      @_layouts = Hash.new(0)
      @_files = Hash.new(0)

      ActiveSupport::Notifications.subscribe("render_template.action_view") do |_name, _start, _finish, _id, payload|
        path = payload[:layout]
        if path
          @_layouts[path] += 1
          if path =~ /^layouts\/(.*)/
            @_layouts[$1] += 1
          end
        end
      end

      ActiveSupport::Notifications.subscribe("!render_template.action_view") do |_name, _start, _finish, _id, payload|
        path = payload[:virtual_path]
        next unless path
        partial = path =~ /^.*\/_[^\/]*$/

        if partial
          @_partials[path] += 1
          @_partials[path.split("/").last] += 1
        end

        @_templates[path] += 1
      end

      ActiveSupport::Notifications.subscribe("!render_template.action_view") do |_name, _start, _finish, _id, payload|
        next if payload[:virtual_path] # files don't have virtual path

        path = payload[:identifier]
        if path
          @_files[path] += 1
          @_files[path.split("/").last] += 1
        end
      end
    end