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', '4.2.6'
  gem 'active_model_serializers', "0.10.3"
end

require 'action_controller/railtie'

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.action_controller.perform_caching = true
  config.cache_store = :memory_store
  config.logger = Logger.new($stdout)
  Rails.logger  = config.logger
end

TestApp.initialize!
TestApp.routes.draw do
  get 'users/:id', to: 'test#user', as: 'user'
end
TestApp.routes.default_url_options = {
  host: 'www.example.com'
}

class User < ActiveModelSerializers::Model
  attr_accessor :id, :name
end

class UserSerializer < ActiveModel::Serializer
end

require 'rack/test'

class TestController < ActionController::Base

  def user
    user = User.new(id: 1, name: "John")
    res = ActiveModelSerializers::SerializableResource.new(user, adapter: nil)
    puts res.serializer
    render json: user, adapter: nil
  end
end

require 'minitest/autorun'

# Ensure backward compatibility with Minitest 4
Minitest::Test = MiniTest::Unit::TestCase unless defined?(Minitest::Test)

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

  def test_user
    get '/users/1'
    expected_result = {
      id: 1,
      name: "John"
    }
    assert_equal(expected_result, JSON.parse(last_response.body, symbolize_names: true))
  end

  private
  def app
    Rails.application
  end
end

__END__
Fetching gem metadata from https://rubygems.org/..........
Fetching version metadata from https://rubygems.org/..
Fetching dependency metadata from https://rubygems.org/.
Resolving dependencies...
Using rake 12.0.0
Using i18n 0.7.0
Using json 1.8.3
Using minitest 5.10.1
Using thread_safe 0.3.5
Using builder 3.2.2
Using erubis 2.7.0
Using mini_portile2 2.1.0
Using rack 1.6.5
Using mime-types-data 3.2016.0521
Using arel 6.0.4
Using bundler 1.13.7
Using concurrent-ruby 1.0.4
Using thor 0.19.4
Using jsonapi 0.1.1.beta2
Using tzinfo 1.2.2
Using nokogiri 1.7.0.1
Using rack-test 0.6.3
Using mime-types 3.1
Using sprockets 3.7.1
Using activesupport 4.2.6
Using loofah 2.0.3
Using mail 2.6.4
Using rails-deprecated_sanitizer 1.0.3
Using globalid 0.3.7
Using activemodel 4.2.6
Using rails-html-sanitizer 1.0.3
Using rails-dom-testing 1.0.8
Using activejob 4.2.6
Using activerecord 4.2.6
Using actionview 4.2.6
Using actionpack 4.2.6
Using actionmailer 4.2.6
Using active_model_serializers 0.10.3
Using railties 4.2.6
Using sprockets-rails 3.2.0
Using rails 4.2.6
config.eager_load is set to nil. Please update your config/environments/*.rb files accordingly:

  * development - set it to false
  * test - set it to false (unless you use a tool that preloads your test environment)
  * production - set it to true

Run options: --seed 47903

# Running:

D, [2017-01-07T14:21:50.084815 #5791] DEBUG -- :
D, [2017-01-07T14:21:50.084862 #5791] DEBUG -- :
I, [2017-01-07T14:21:50.085175 #5791]  INFO -- : Started GET "/users/1" for 127.0.0.1 at 2017-01-07 14:21:50 +0100
I, [2017-01-07T14:21:50.087008 #5791]  INFO -- : Processing by TestController#user as HTML
I, [2017-01-07T14:21:50.087055 #5791]  INFO -- :   Parameters: {"id"=>"1"}
UserSerializer
I, [2017-01-07T14:21:50.088679 #5791]  INFO -- : Rendered UserSerializer with User (0.12ms)
I, [2017-01-07T14:21:50.088829 #5791]  INFO -- : Completed 200 OK in 2ms (Views: 0.5ms)
.

Finished in 0.011775s, 84.9248 runs/s, 84.9248 assertions/s.

1 runs, 1 assertions, 0 failures, 0 errors, 0 skip