<?php describe("XML Response", function () { before(function () { $data = array("name" => "fernyb", "id" => "100", "location" => "California"); $xml = new XMLResponse($data); return $xml; }); it("returns xml", function ($xml) { $response = $xml->to_xml(); $data = '<?xml version="1.0" encoding="UTF-8"?> <name>fernyb</name><id>100</id><location>California</location>'; assert_equal($data, $response); }); });