def test_url_matches(self):
url = 'http://500px.com/photo/13746291/shining-through-by-paul-rojas?utm_campaign=apr26_2PM_landscape_shiningthrough13746291&utm_medium=google&utm_source=500px'
self.assertTrue(PX500.url_matches(url))
self.assertTrue(PX500.is_image(url))
