Using Cucumber/Capybara in Rails 3, how do I set a custom User-Agent string?

Question

In my Rails 3 app, I have different layouts for iPhone vs desktop browsers. I\'m trying to test the iPhone layout using Cucumber/Capybara. So far, all my attempts at setting

Answer 1

Had to fiddle a bit on this, but in the end I managed to get it working just by adding:

# features/support/capybara_headers.rb:

module CapybaraHeadersHelper
  def add_headers(headers)
    headers.each do |name, value|
      page.driver.browser.header(name, value)
    end
  end
end
World(CapybaraHeadersHelper)

You can get more info in this blog post I wrote, but that's basically it.