Rails Testing Stack Setup

application_system_test_case.rb

require "test_helper"
require 'capybara/poltergeist'

class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
  # driven_by :selenium, using: :chrome, screen_size: [1400, 1400]

  # TODO: install PhantomJS
  # Mac: brew install phantomjs
  # Others: http://phantomjs.org/download.html
  driven_by :poltergeist
end

Gemfile

source 'https://rubygems.org'

git_source(:github) do |repo_name|
  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
  "https://github.com/#{repo_name}.git"
end


# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '~> 5.1.4'
# Use sqlite3 as the database for Active Record
gem 'sqlite3'
# Use Puma as the app server
gem 'puma', '~> 3.7'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 5.0'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# See https://github.com/rails/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby

# Use CoffeeScript for .coffee assets and views
gem 'coffee-rails', '~> 4.2'
# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
gem 'turbolinks', '~> 5'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.5'
# Use Redis adapter to run Action Cable in production
# gem 'redis', '~> 3.0'
# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'

# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development

group :development, :test do
  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]

  gem 'minitest', '~> 5.10'
  gem 'minitest-rails', '~> 3.0'

  # Adds support for Capybara system testing and selenium driver
  gem 'capybara', '~> 2.13'
  gem 'poltergeist', '~> 1.16'

  gem 'simplecov', '~> 0.15', require: false
end

group :development do
  # Access an IRB console on exception pages or by using <%= console %> anywhere in the code.
  gem 'web-console', '>= 3.3.0'
  gem 'listen', '>= 3.0.5', '< 3.2'
  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
  gem 'spring'
  gem 'spring-watcher-listen', '~> 2.0.0'
end

# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

test_helper.rb

ENV['RAILS_ENV'] = 'test'

require 'simplecov'
SimpleCov.start 'rails'

require File.expand_path('../../config/environment', __FILE__)
require 'rails/test_help'

require 'minitest/rails'

test_root = File.dirname(File.absolute_path(__FILE__))
Dir.glob(test_root + '/support/**/*.rb') { |file| require file }

class ActiveSupport::TestCase
  # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
  fixtures :all

  # Add more helper methods to be used by all tests here...
end