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Add test for sending unicast responses #670

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Merged
bdraco merged 1 commit into from
Jun 16, 2021
Merged

Add test for sending unicast responses #670

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27 changes: 27 additions & 0 deletions tests/test_core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -389,3 +389,30 @@ def test_get_service_info_failure_path():
zc = Zeroconf(interfaces=['127.0.0.1'])
assert zc.get_service_info("_neverused._tcp.local.", "xneverused._neverused._tcp.local.", 10) is None
zc.close()


def test_sending_unicast():
"""Test sending unicast response."""
zc = Zeroconf(interfaces=['127.0.0.1'])
generated = r.DNSOutgoing(const._FLAGS_QR_RESPONSE)
entry = r.DNSText(
"didnotcrashincoming._crash._tcp.local.",
const._TYPE_TXT,
const._CLASS_IN | const._CLASS_UNIQUE,
500,
b'path=/~paulsm/',
)
generated.add_answer_at_time(entry, 0)
zc.send(generated, "2001:db8::1", const._MDNS_PORT) # https://www.iana.org/go/rfc3849
time.sleep(0.2)
assert zc.cache.get(entry) is None

zc.send(generated, "198.51.100.0", const._MDNS_PORT) # Documentation (TEST-NET-2)
time.sleep(0.2)
assert zc.cache.get(entry) is None

zc.send(generated)
time.sleep(0.2)
assert zc.cache.get(entry) is not None

zc.close()