def test_etag(self):
pxml = PXML()
pxml.etag("br")
self.assertEqual(["<br />"], pxml.raw)
self.assertEqual("<br />", str(pxml))
pxml = PXML()
pxml.etag("img", [("src", "/world.png"), ("width", "640"), ("height", "480")])
self.assertEqual(['<img src="/world.png" width="640" height="480" />'], pxml.raw)
self.assertEqual('<img src="/world.png" width="640" height="480" />', str(pxml))
