def test__unquote_failure_cases(self):
cases = [
"'hello",
"",
"'",
"'hello\\'",
"'hel'lo'",
"'''",
]
for quoted in cases:
with self.assertRaises(MultiValueGuc.ParseError):
MultiValueGuc._unquote(quoted)
def test__unquote(self):
cases = [
('hello', 'hello'),
("''", ''),
("'hello'", 'hello'),
("'a\\b\\f\\n\\r\\tb'", 'a\b\f\n\r\tb'),
("'\\0\\1\\2\\3\\4\\5\\6\\7\\8\\9'", '\0\1\2\3\4\5\6\789'),
("'\\1\\01\\001\\0001'", '\x01\x01\x01\x001'),
("'\\1a1'", '\x01a1'),
("'\\377\\400\\776\\7777'", '\xFF\x00\xFE\xFF7'),
("''''", "'"),
]
for quoted, unquoted in cases:
self.assertEqual(MultiValueGuc._unquote(quoted), unquoted)