setup_subscriptions

# File actionpack/lib/action_controller/test_case.rb, line 16
    def setup_subscriptions
      @partials = Hash.new(0)
      @templates = Hash.new(0)
      @layouts = Hash.new(0)

      ActiveSupport::Notifications.subscribe("render_template.action_view") do |name, start, finish, id, payload|
        path = payload[:layout]
        @layouts[path] += 1
      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
          @templates[path] += 1
        else
          @templates[path] += 1
        end
      end
    end