def test_duplicate_letters(self):
with self.assertRaises(ValueError):
etao.complete_alphabet("ABCZZZZ")
def test_non_alpha(self):
with self.assertRaises(ValueError):
etao.complete_alphabet("ABC123")
def test_already_complete(self):
self.assertEqual(etao.complete_alphabet("ZEBRASCDFGHIJKLMNOPQTUVWXY"),
"ZEBRASCDFGHIJKLMNOPQTUVWXY")
def test_duplicate_letters(self):
with self.assertRaises(ValueError):
etao.complete_alphabet("ABCZZZZ")
def test_non_alpha(self):
with self.assertRaises(ValueError):
etao.complete_alphabet("ABC123")
def test_already_complete(self):
self.assertEqual(
etao.complete_alphabet("ZEBRASCDFGHIJKLMNOPQTUVWXY"),
"ZEBRASCDFGHIJKLMNOPQTUVWXY"
)