def test_even(self) -> None:
"""Validate even parity check digit."""
assert parity.validate("01100")
assert not parity.validate("01101")
def test_odd(self) -> None:
"""Validate odd parity check digit."""
assert parity.validate("01101", False)
assert not parity.validate("01100", False)
import checkdigit.luhn as luhn
import checkdigit.parity as parity
import checkdigit.upc as upc
# Calculate even parity check digit
test(parity.calculate("0110"), "0")
test(parity.calculate("0"), "0")
test(parity.calculate("01101"), "1")
# Calculate odd parity check digit
test(parity.calculate("0110", False), "1")
test(parity.calculate("0", False), "1")
test(parity.calculate("01101", False), "0")
# Validate even parity check digit
test(parity.validate("01100"))
test(parity.validate("01101"), False)
# Validate odd parity check digit
test(parity.validate("01101", False))
test(parity.validate("01100", False), False)
# Missing parity digit (even)
test(parity.missing("01?00"), "1")
test(parity.missing("01?100"), "0")
test(parity.missing("010100?"), "0")
# Missing parity digit (odd)
test(parity.missing("01101?", False), "0")
test(parity.missing("01?010", False), "1")
test(parity.missing("010010?011", False), "1")