class RoutesCoverage::Middleware

Public Class Methods

new(app) click to toggle source
# File lib/routes_coverage/middleware.rb, line 3
def initialize app
  @app = app
end

Public Instance Methods

call(original_env) click to toggle source
# File lib/routes_coverage/middleware.rb, line 7
def call original_env
  # router changes env/request during recognition so need a copy:
  env = original_env.dup
  req = ::Rails.application.routes.request_class.new env
  ::Rails.application.routes.router.recognize(req) do |route, parameters5, parameters4|
    parameters = parameters5 || parameters4
    dispatcher = route.app
    if dispatcher.respond_to?(:dispatcher?)
      req.path_parameters = parameters
      unless dispatcher.matches?(req) # && dispatcher.dispatcher?
        dispatcher = nil
      end
    else # rails < 4.2
      dispatcher = route.app
      req.env['action_dispatch.request.path_parameters'] = (env['action_dispatch.request.path_parameters'] || {}).merge(parameters)
      while dispatcher.is_a?(ActionDispatch::Routing::Mapper::Constraints) do
        if dispatcher.matches?(env)
          dispatcher = dispatcher.app
        else
          dispatcher = nil
        end
      end
    end
    next unless dispatcher

    RoutesCoverage._touch_route(route)
    # there may be multiple matching routes - we should match only first
    break
  end
  #TODO: detect 404s? and maybe other route errors?
  @app.call(original_env)
end