# repro.rb
require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'rails', github: 'rails/rails', branch: 'main'
  gem 'devise', '~> 4.9.4'
  gem 'sqlite3', '~> 1.4'
end

require 'rails'
require 'action_controller/railtie'
require 'active_record'
require 'minitest/autorun'
ENV['RAILS_ENV'] = 'test'

ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
ActiveRecord::Schema.define do
  create_table :users do |t|
    t.string :email, null: false
    t.string :encrypted_password, null: true
    t.timestamps null: false
  end
end

Devise.setup do |config|
  require 'devise/orm/active_record'
end

class MyApp < Rails::Application
  config.eager_load = false

  routes.append do
    root to: 'hello#index'
    devise_for :users
  end
end

class User < ActiveRecord::Base
  devise :database_authenticatable
end

MyApp.initialize!

class ApplicationController < ActionController::Base
end

class HelloController < ApplicationController
  before_action :authenticate_user!

  def index
    render plain: 'Hello'
  end
end

class HelloControllerTest < ActionDispatch::IntegrationTest
  include Devise::Test::IntegrationHelpers

  def test_index
    sign_in User.new

    get '/'

    assert_response :success
  end
end