def test_no_digits(self): '''Testing remove_digits() with a string containing no digits. ''' self.assertEqual(asstfile.remove_digits('nope, there really aren\'t any digits here.'), 'nope, there really aren\'t any digits here.', 'Removing digits from a string with no digits should result in the identical string.')
def test_several_digits(self): '''Testing remove_digits() with a string containing multiple digits. ''' self.assertEqual(asstfile.remove_digits('m435345u34534lti543543pl345e3 45d345i3g4534i5ts345'), 'multiple digits', 'Removing digits from a string with multiple digits should result in a string with every digit removed.')
def test_empty_string(self): '''Testing remove_digits() with an empty string. ''' self.assertEqual(asstfile.remove_digits(''), '', 'Removing digits from the empty string should result in the empty string.')