def test_small_doc(self):
# need an instance to call analyze
koh = Kohlschuetter()
self.assertEqual((None, []), Kohlschuetter.make_features('<html></html>'))
self.assertEqual('', koh.analyze('<html></html>'))
s = '<html> <p>a</p> <div>b</div> </html>'
features, blocks = Kohlschuetter.make_features(s)
self.assertTrue(features is None)
self.block_output_tokens(blocks, [['a'], ['b']])
self.assertEqual('a b', koh.analyze(s))
