def test_incorrect():
try:
verify("A123456789")
verify("asdasd")
verify("")
except ValueError:
_pass = False
assert _pass == False
def test_invalid():
assert verify("AY987654A") == False
assert verify("C1234567") == False
def test_valid():
assert verify("C1234569") == True
assert verify("G123456A") == True
def test_cal_correct():
hkid1 = "C123456"
hkid2 = "S455585"
assert verify(hkid1 + calculate(hkid1)) == True
assert verify(hkid2 + calculate(hkid2)) == True
def test_invalid():
assert not verify("AY987654A")
assert not verify("C1234567")
def test_incorrect():
with pytest.raises(ValueError):
verify("A123456789")
verify("asdasd")
verify("")