Syetem test case using a remote selenium browser

application_system_test_case.rb

require "test_helper"

class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
  #driven_by :selenium, using: :chrome, screen_size: [1400, 1400] # default code
  WEBDRIVER_HUB_URL = "http://172.18.0.2:4444/wd/hub"
  TARGET_RESOLUTION = [1280,1024]
  CHROME_SWITCHES = %W(--window-size=#{TARGET_RESOLUTION[0]},#{TARGET_RESOLUTION[1]} --disable-translate)
  CHROME_OPTIONS = {
    'args' => CHROME_SWITCHES
  }

  Capybara.register_driver :docker_chrome do |app|
    caps = Selenium::WebDriver::Remote::Capabilities.chrome(:chromeOptions => CHROME_OPTIONS)
    client = Selenium::WebDriver::Remote::Http::Default.new
    opts = {
      browser: :remote,
      url: WEBDRIVER_HUB_URL,
      desired_capabilities: caps,
      http_client: client
    }
    
    Capybara::Selenium::Driver.new(app, opts)
  end
  
 
  driven_by :docker_chrome

  p "#### Register Driver OK"
  p "#### #{WEBDRIVER_HUB_URL}"
  
  def setup_remote
    app_ip = '172.18.0.4'
    
    Capybara.current_driver = :docker_chrome
    Capybara.javascript_driver = :docker_chrome
    Capybara.server_host = app_ip
    Capybara.server_port = '3010'
    Capybara.app_host = "http://#{app_ip}:3010"

    p "#### Setup Remote Driver OK"
    p "#### http://#{app_ip}:3010"
  end
  
end