Testing with Vows and PhantomJS

vows-phantom.js

var phantom = require('phantom'),
	vows = require('vows'),
	assert = require('assert');

// nesting tests inside phantom callback so we only
// have to create it once
phantom.create(function(ph) {
	
	var get_page_result = function(url, fn, result) {
		ph.createPage(function(page) {
			page.open(url, function(status) {
				if (status != 'success') result(new Error('Could not connect'), null)
				else {
					page.evaluate(fn, function(r) {
						result(null, r)
						ph.exit()
					})
				}	
			})
		})
	}

	vows.describe('Correct UI state').addBatch({
		
		'pending requests': {
			topic: function() {
				get_page_result('http://localhost:8081/something', function() {
					return document.querySelectorAll('#something .item')
				}, this.callback)
			},
			'is there': function(err, result) {
				assert.isNull(err)
				assert.isNotNull(result)
			}

		}
	}).run({}, function() {
		// kill the phantom object after tests run
		ph.exit()
	})
})