# File lib/action_dispatch/testing/integration.rb, line 66 def xml_http_request(request_method, path, parameters = nil, headers = nil) headers ||= {} headers['HTTP_X_REQUESTED_WITH'] = 'XMLHttpRequest' headers['HTTP_ACCEPT'] ||= [Mime::JS, Mime::HTML, Mime::XML, 'text/xml', Mime::ALL].join(', ') process(request_method, path, parameters, headers) end