demarches-normaliennes/spec/support/capybara.rb

require 'capybara/rspec'
require 'capybara-screenshot/rspec'
require 'capybara/email/rspec'
require 'selenium/webdriver'

def setup_driver(app, download_path, options)
  Capybara::Selenium::Driver.new(app, browser: :chrome, options:).tap do |driver|
    if ENV['MAKE_IT_SLOW'].present?
      driver.browser.network_conditions = {
        offline: false,
        latency: 800,
        download_throughput: 1024000,
        upload_throughput: 1024000
      }
    end

    if ENV['JS_LOG'].present?
      driver.browser.on_log_event(:console) do |event|
        puts event.args.join(" ") if event.type.in? ENV['JS_LOG'].downcase.split(',').map(&:to_sym)
      end
    end
  end
end

Capybara.register_driver :chrome do |app|
  options = Selenium::WebDriver::Chrome::Options.new
  options.add_argument('--no-sandbox') unless ENV['SANDBOX']
  options.add_argument('--mute-audio')
  options.add_argument('--window-size=1440,900')

  download_path = Capybara.save_path
  # Chromedriver 77 requires setting this for headless mode on linux
  # Different versions of Chrome/selenium-webdriver require setting differently - just set them all
  options.add_preference('download.default_directory', download_path)
  options.add_preference(:download, default_directory: download_path)

  setup_driver(app, download_path, options)
end

Capybara.register_driver :headless_chrome do |app|
  options = Selenium::WebDriver::Chrome::Options.new
  options.add_argument('--no-sandbox') unless ENV['SANDBOX']
  options.add_argument('--headless')
  options.add_argument('--window-size=1440,900')
  options.add_argument('--disable-dev-shm-usage')
  options.add_argument('--disable-software-rasterizer')
  options.add_argument('--mute-audio')

  download_path = Capybara.save_path
  # Chromedriver 77 requires setting this for headless mode on linux
  # Different versions of Chrome/selenium-webdriver require setting differently - just set them all
  options.add_preference('download.default_directory', download_path)
  options.add_preference(:download, default_directory: download_path)

  setup_driver(app, download_path, options)
end

Capybara.default_max_wait_time = 4

Capybara.ignore_hidden_elements = false

Capybara.enable_aria_label = true

Capybara.disable_animation = true

# Save a snapshot of the HTML page when an integration test fails
Capybara::Screenshot.autosave_on_failure = true
# Keep only the screenshots generated from the last failing test suite
Capybara::Screenshot.prune_strategy = :keep_last_run
# Tell Capybara::Screenshot how to take screenshots when using the headless_chrome driver
Capybara::Screenshot.register_driver :headless_chrome do |driver, path|
  driver.browser.save_screenshot(path)
end

RSpec.configure do |config|
  config.before(:each, type: :system) do
    driven_by :rack_test
  end

  config.before(:each, type: :system, js: true) do
    driven_by ENV['NO_HEADLESS'] ? :chrome : :headless_chrome
  end

  # Set the user preferred language before Javascript system specs.
  #
  # System specs without Javascript run in a Rack stack, and respect the Accept-Language value.
  # However specs using Javascript are run into a Headless Chrome, which doesn't support setting
  # the default Accept-Language value reliably.
  # So instead we set the locale cookie explicitly before each Javascript test.
  config.before(:each, type: :system, js: true) do
    visit '/' # Webdriver needs visiting a page before setting the cookie
    Capybara.current_session.driver.browser.manage.add_cookie(
      name: :locale,
      value: Rails.application.config.i18n.default_locale
    )
  end

  # Examples tagged with :capybara_ignore_server_errors will allow Capybara
  # to continue when an exception in raised by Rails.
  # This allows to test for error cases.
  config.around(:each, :capybara_ignore_server_errors) do |example|
    Capybara.raise_server_errors = false

    example.run
  ensure
    Capybara.raise_server_errors = true
  end
end