bench_routes.rb

# frozen_string_literal: true

require "bundler/inline"

gemfile(true) do
  source "https://rubygems.org"

  git_source(:github) { |repo| "https://github.com/#{repo}.git" }

  gem "rails", github: 'rails/rails'
  gem "benchmark-ips"
  gem "stackprof"
end

require "action_controller"

class FooController < ActionController::Base; end

result = Benchmark.ips do |x|
  rs_simple = ActionDispatch::Routing::RouteSet.new
  rs_simple.draw do
    (1..1000).each do |i|
      get "/foo/bar/thing_#{i}", to: "foo#bar#{i}"
    end
    get "/blah", to: 'foo#base'
  end
  x.report("without params") {
    rs_simple.recognize_path("/blah")
    rs_simple.recognize_path("/foo/bar/thing_99")
  }

  rs_params = ActionDispatch::Routing::RouteSet.new
  rs_params.draw do
    (1..1000).each do |i|
      get "/:user/:repo/thing_#{i}", to: "foo#bar#{i}"
    end
    get "/:foo", to: 'foo#base'
  end
  x.report("params without constraints") {
    rs_params.recognize_path("/blah")
    rs_params.recognize_path("/foo/bar/thing_99")
  }

  rs_constraints = ActionDispatch::Routing::RouteSet.new
  rs_constraints.draw do
    (1..1000).each do |i|
      get "/:user/:repo/thing_#{i}", to: "foo#bar#{i}", user: /[a-zA-Z0-9]+/, repo: /[a-zA-Z0-9]+/
    end
    get "/:foo", to: 'foo#base'
  end
  x.report("params with constraints") {
    rs_constraints.recognize_path("/blah")
    rs_constraints.recognize_path("/foo/bar/thing_99")
  }
end