Unify RR counting in isctest.check helper

Use a common function to count the number of RRs in any section of the
DNS message. For the ADDITIONAL section, stick with the dnspython
convention of not including OPT and TSIG.
This commit is contained in:
Nicki Křížek 2025-07-25 11:09:30 +02:00 committed by Evan Hunt
parent b24dd20e5a
commit efd60348b9

View file

@ -168,28 +168,10 @@ def empty_answer(message: dns.message.Message) -> None:
assert not message.answer, str(message)
def answer_count_eq(m: dns.message.Message, expected: int):
count = sum(max(1, len(rrs)) for rrs in m.answer)
assert count == expected, str(m)
def authority_count_eq(m: dns.message.Message, expected: int):
count = sum(max(1, len(rrs)) for rrs in m.authority)
assert count == expected, str(m)
def additional_count_eq(m: dns.message.Message, expected: int):
count = sum(max(1, len(rrs)) for rrs in m.additional)
# add one for the OPT?
opt = bool(m.opt) if hasattr(m, "opt") else bool(m.edns >= 0)
count += 1 if opt else 0
# add one for the TSIG?
tsig = bool(m.tsig) if hasattr(m, "tsig") else m.had_tsig
count += 1 if tsig else 0
assert count == expected, str(m)
def rr_count_eq(section: list, expected: int):
# NOTE: OPT and TSIG records aren't included in the count for ADDITIONAL section
count = sum(len(rrset) for rrset in section)
assert count == expected, str(section)
def is_response_to(response: dns.message.Message, query: dns.message.Message) -> None: