【Ruby on Rails】RSpecとFactoryBotとShoulda MatchersとCapybaraを導入メモ

group :development, :test do
  gem 'rspec-rails'
end

rails g rspec:install

--require spec_helper
--format documentation

config.generators do |g|
  g.test_framework :rspec,
                   fixtures: false,
                   controller_specs: false,
                   view_specs: false,
                   helper_specs: false,
                   decorator_specs: false,
                   routing_specs: false

group :development, :test do
  gem 'spring-commands-rspec'
end

spring binstub rspec

group :development, :test do
  gem "factory_bot_rails"
end

RSpec.configure do |config|
  config.include FactoryBot::Syntax::Methods
end

require "support/factory_bot"

config.before(:all) do
  FactoryBot.reload
end

group :test do
  gem 'shoulda-matchers'
end

Shoulda::Matchers.configure do |config|
  config.integrate do |with|
    with.test_framework :rspec
    with.library :rails
  end
end

require "support/shoulda_matchers"

group :development, :test do 
  gem 'ffaker'
end

group :test do
  gem 'fuubar'
end

--format Fuubar
--color

group :test do
  gem 'capybara'
  gem 'webdrivers'
end

require 'capybara/rspec'
require 'support/capybara'

RSpec.configure do |config|
  # Delete screenshot files before testing
  FileUtils.rm_rf(Dir[Rails.root.join('tmp', 'screenshots', '*')], secure: true)

  # Driver setup
  config.before(:each, type: :system) do
    driven_by :selenium_chrome_headless
  end

  # Show screenshot when fail
  ENV['RAILS_SYSTEM_TESTING_SCREENSHOT'] = 'inline'
end

Capybara.register_driver :selenium_chrome_headless do |app|
  options = Selenium::WebDriver::Chrome::Options.new
  %w[
    headless
    window-size=1600x900
    disable-gpu
  ].each { |arg| options.add_argument(arg) }
  Capybara::Selenium::Driver.new(app, browser: :chrome, options: options)
end

ruby:Gemfile
group :test 
  gem 'rack_session_access'
end

  config.middleware.use RackSessionAccess::Middleware

  require 'rack_session_access/capybara'

page.set_rack_session(user_id: user.id)

# deviseを使う場合：
page.set_rack_session('warden.user.user.key' => User.serialize_into_session(user))