run-qunit-example.js

/**
 * Wait until the test condition is true or a timeout occurs. Useful for waiting
 * on a server response or for a ui change (fadeIn, etc.) to occur.
 *
 * @param testFx javascript condition that evaluates to a boolean,
 * it can be passed in as a string (e.g.: "1 == 1" or "$('#bar').is(':visible')" or
 * as a callback function.
 * @param onReady what to do when testFx condition is fulfilled,
 * it can be passed in as a string (e.g.: "1 == 1" or "$('#bar').is(':visible')" or
 * as a callback function.
 * @param timeOutMillis the max amount of time to wait. If not specified, 3 sec is used.
 */
 /*jshint evil:true */

 var system = require('system'),
 	page = require('webpage').create();

function waitFor(testFx, onReady, timeOutMillis) {
	var maxtimeOutMillis = timeOutMillis ? timeOutMillis : 30001, //< Default Max Timout is 3s
		start = new Date().getTime(),
		condition = false,
		interval = setInterval(function () {
			if ((new Date().getTime() - start < maxtimeOutMillis) && !condition) {
				// If not time-out yet and condition not yet fulfilled
				condition = (typeof(testFx) === "string" ? eval(testFx) : testFx()); //< defensive code
			} else {
				if (!condition) {
					// If condition still not fulfilled (timeout but condition is 'false')
					console.log("'waitFor()' timeout");
					phantom.exit(1);
				} else {
					// Condition fulfilled (timeout and/or condition is 'true')
					//console.log("'waitFor()' finished in " + (new Date().getTime() - start) + "ms.");
					if (typeof(onReady) === "string") { //< Do what it's supposed to do once the condition is fulfilled
						eval(onReady);
					} else {
						onReady();
					}
					clearInterval(interval); //< Stop this interval
				}
			}
		}, 100); //< repeat check every 250ms
}

if (system.args.length === 1) {
	console.log('Usage: run-qunit.js URL');
	phantom.exit(1);
}

// Route "console.log()" calls from within the Page context to the main Phantom context (i.e. current "this")
page.onConsoleMessage = function (msg) {
	console.log(msg);
};

page.open(system.args[1], function (status) {
	if (status !== "success") {
		console.log("Unable to access network");
		phantom.exit(1);
	} else {
		waitFor(function () {
			return page.evaluate(function () {
				var el = document.getElementById('qunit-testresult');
				if (el && el.innerText.match('completed')) {
					return true;
				}
				return false;
			});
		}, function () {
			var failedNum = page.evaluate(function () {

				var tests = document.getElementById("qunit-tests").childNodes;
				console.log("\nTest name (failed, passed, total)\n");
				for (var i in tests) {
					var text = tests[i].innerText;
					if (text !== undefined) {
						if (/\)Rerun($|\n)/.test(text)) {
							text = (text.match(/^(.*?)Rerun($|\n)/))[1];
						}
						console.log(text + "\n");
					}
				}

				var el = document.getElementById('qunit-testresult');
				console.log(el.innerText);
				try {
					return el.getElementsByClassName('failed')[0].innerHTML;
				} catch (e) { }
				return 10000;
			});
			phantom.exit((parseInt(failedNum, 10) > 0) ? 1 : 0);
		});
	}
});