Class: RoutesCoverage::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/routes_coverage/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/routes_coverage/middleware.rb', line 5

def initialize(app)
  @app = app
end

Instance Method Details

#call(original_env) ⇒ Object 



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# File 'lib/routes_coverage/middleware.rb', line 9

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
      dispatcher = nil unless dispatcher.matches?(req) # && dispatcher.dispatcher?
    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)
        dispatcher = (dispatcher.app if dispatcher.matches?(env))
      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