# File lib/selenium/webdriver/remote/capabilities.rb, line 185 def as_json(opts = nil) hash = {} @capabilities.each do |key, value| case key when :platform hash['platform'] = value.to_s.upcase when :firefox_profile hash['firefox_profile'] = value.as_json['zip'] if value when :proxy hash['proxy'] = value.as_json if value when String hash[key] = value when Symbol hash[camel_case(key.to_s)] = value else raise TypeError, "expected String or Symbol, got #{key.inspect}:#{key.class} / #{value.inspect}" end end hash end