15843.rb

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  gem 'rails', github: 'rack/rack'
  gem 'sinatra', github: 'sinatra/sinatra'
  gem 'rack', github: 'rack/rack'
end

require 'bundler'
Bundler.setup
require 'rails/all'
require 'active_support/all'
##
require 'minitest/autorun'
require 'rack/test'
require 'pathname'

require 'action_controller/railtie'
require 'sinatra/base'

class SinatraApp < Sinatra::Base
  enable :sessions

  get '/sinatra' do
    session['SinatraApp'] = 'Hello from SinatraApp!'
    'Hello from SinatraApp!'
  end
end

class MyMiddleware
  def call(env)
    session = env['rack.session']
    session['MyMiddleware'] = 'Hello from MyMiddleware!'
    [ 200, {}, ['Hello from MyMiddleware!'] ]
  end
end

class TestApp < Rails::Application
  config.root = File.dirname(__FILE__)
  config.session_store :cookie_store, key: 'cookie_store_key'
  secrets.secret_token    = 'secret_token'
  secrets.secret_key_base = 'secret_key_base'

  config.logger = Logger.new($stdout)
  Rails.logger  = config.logger

  routes.draw do
    get '/rails' => 'test#index'
    get '/sinatra' => SinatraApp
    get '/mymiddleware' => MyMiddleware.new
  end
end

class TestController < ActionController::Base
  include Rails.application.routes.url_helpers

  def index
    render plain: 'Hello from Rails!'
  end
end

class BugTest < Minitest::Test
  include Rack::Test::Methods

  def test_rails_returns_success
    get '/rails'
    assert last_response.ok?
    assert_equal 'Hello from Rails!', last_response.body
  end

  def test_sinatra_returns_success
    get '/sinatra'
    assert last_response.ok?
    assert_equal 'Hello from SinatraApp!', last_response.body
    assert_equal 'Hello from SinatraApp!', last_request.env['rack.session']['SinatraApp']
  end

  def test_my_middleware_returns_success
    get '/mymiddleware'
    assert last_response.ok?
    assert_equal 'Hello from MyMiddleware!', last_response.body
    assert_equal 'Hello from MyMiddleware!', last_request.env['rack.session']['MyMiddleware']
  end

  private
    def app
      Rails.application
    end
end