def test_cer_5(self):
ref = u'我是中国人'
hyp = u'我是 美洲人'
char_error_rate = error_rate.cer(ref, hyp)
self.assertTrue(abs(char_error_rate - 0.6) < 1e-6)
def test_cer_6(self):
ref = u'我 是 中 国 人'
hyp = u'我 是 美 洲 人'
char_error_rate = error_rate.cer(ref, hyp, remove_space=True)
self.assertTrue(abs(char_error_rate - 0.4) < 1e-6)
def test_cer_4(self):
ref = 'werewolf'
char_error_rate = error_rate.cer(ref, ref)
self.assertEqual(char_error_rate, 0.0)
def test_cer_3(self):
ref = 'were wolf'
hyp = 'were wolf'
char_error_rate = error_rate.cer(ref, hyp)
self.assertTrue(abs(char_error_rate - 0.0) < 1e-6)
def test_cer_2(self):
ref = 'werewolf'
hyp = 'weae wolf'
char_error_rate = error_rate.cer(ref, hyp, remove_space=True)
self.assertTrue(abs(char_error_rate - 0.125) < 1e-6)
def test_cer_8(self):
ref = ''
hyp = 'Hypothesis'
with self.assertRaises(ValueError):
char_error_rate = error_rate.cer(ref, hyp)
def test_cer_7(self):
ref = u'我是中国人'
char_error_rate = error_rate.cer(ref, ref)
self.assertFalse(char_error_rate, 0.0)
