Selenium Webdriver - set preferred browser language DE

Question

I have a problem setting the preferred (accepted language) within headless Chrome using Selenium Webdriver and Ruby. I use the following WebDriver settings:

Sele         


        

Answer 1

You should be able to solve your problem by adding an experimental option:

options.add_option('prefs', {'intl.accept_languages': 'en,en_US'})

I'm sure it works with Python, but I've not tried with Ruby: this approach is the correct one, not sure about the implementation.
You can find in this repository the code which handles your problem in Python code, and in this Q&A how to implement experimental_options in Ruby

Answer 2

I found a solution that works for me. As in many cases the problem was sitting in front of the screen and simply doesn't work precisely enough ;-)

Instead of using

options.add_argument("--lang=de")

you have to use

options.add_argument("--lang=de-DE")

When I use an IETF language tag the code I initially posted works as expected.

Answer 3

For me works:

options = Selenium::WebDriver::Firefox::Options.new
options.add_preference("intl.accept_languages", 'de-DE')
Capybara::Selenium::Driver.new(app, browser: :firefox, options: options)

Answer 4

I'am using this in my test_helper.rb Works fine for me.

Capybara.register_driver :selenium do |app|
  Chromedriver.set_version "2.36"

  desired_capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
    'chromeOptions' => {
      'prefs' => {
        'intl.accept_languages' => 'en-US'
     },
     args: ['disable-gpu', 'headless']
   }
  )

  Capybara::Selenium::Driver.new(app, { browser: :chrome, desired_capabilities: desired_capabilities })
end

Capybara.javascript_driver = :chrome
Capybara.default_driver = :selenium