def test_over_20(self): self.assertEqual(decipher_numalpha('29'), set(['bi']))
def test_handle_0s(self): self.assertEqual(decipher_numalpha('10'), set(['j']))
def test_example(self): self.assertEqual(decipher_numalpha('123'), set(['abc', 'lc', 'aw']))
def test_simple_recursion(self): self.assertEqual(decipher_numalpha('12'), set(['ab', 'l']))
def test_base1(self): self.assertEqual(decipher_numalpha('1'), set(['a'])) self.assertEqual(decipher_numalpha('9'), set(['i']))
def test_base0(self): self.assertEqual(decipher_numalpha(''), set([]))