def test_empty(self):
self.assertEqual(strip_punctuation(''), '')
def test_stripall(self):
s = '!@#$%^<\'}{>&/?*[]()-_=+"`~'
self.assertEqual(strip_punctuation(s), '')
def test_stripsome(self):
s = '!@#$f%^o<\'o }{>b&/?a*r[]()-_=+"`~'
self.assertEqual(strip_punctuation(s), 'foo bar')
def test_stripnone(self):
s = 'the quick brown fox jumped far'
self.assertEqual(strip_punctuation(s), s)
