class Capybara::Config

def default_driver
  @default_driver || :rack_test
end

def deprecate(method, alternate_method, once = false)
  @deprecation_notified ||= {}
  warn "DEPRECATED: ##{method} is deprecated, please use ##{alternate_method} instead" unless once and @deprecation_notified[method]
  @deprecation_notified[method] = true
end

def initialize
  @session_options = Capybara::SessionConfig.new
end

def javascript_driver
  @javascript_driver || :selenium
end

def server=(name)
  name, options = *name if name.is_a? Array
  @server = if options
    proc { |app, port, host| Capybara.servers[name.to_sym].call(app, port, host, options) }
  else
    Capybara.servers[name.to_sym]
  end
end

def threadsafe=(bool)
  warn "Capybara.threadsafe == true is a BETA feature and may change in future minor versions" if bool
  raise "Threadsafe setting cannot be changed once a session is created" if (bool != threadsafe) && Session.instance_created?
  @threadsafe = bool
end