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"""Unit tests for zeroconf._updates."""
from __future__ import annotations
import logging
import socket
import time
import pytest
import zeroconf as r
from zeroconf import Zeroconf, const
from zeroconf._record_update import RecordUpdate
from zeroconf._services.browser import ServiceBrowser
from zeroconf._services.info import ServiceInfo
log = logging.getLogger("zeroconf")
original_logging_level = logging.NOTSET
def setup_module():
global original_logging_level
original_logging_level = log.level
log.setLevel(logging.DEBUG)
def teardown_module():
if original_logging_level != logging.NOTSET:
log.setLevel(original_logging_level)
def test_legacy_record_update_listener():
"""Test a RecordUpdateListener that does not implement update_records."""
# instantiate a zeroconf instance
zc = Zeroconf(interfaces=["127.0.0.1"])
with pytest.raises(RuntimeError):
r.RecordUpdateListener().update_record(
zc,
0,
r.DNSRecord("irrelevant", const._TYPE_SRV, const._CLASS_IN, const._DNS_HOST_TTL),
)
updates = []
class LegacyRecordUpdateListener(r.RecordUpdateListener):
"""A RecordUpdateListener that does not implement update_records."""
def update_record(self, zc: Zeroconf, now: float, record: r.DNSRecord) -> None:
updates.append(record)
listener = LegacyRecordUpdateListener()
zc.add_listener(listener, None)
# dummy service callback
def on_service_state_change(zeroconf, service_type, state_change, name):
pass
# start a browser
type_ = "_homeassistant._tcp.local."
name = "MyTestHome"
browser = ServiceBrowser(zc, type_, [on_service_state_change])
info_service = ServiceInfo(
type_,
f"{name}.{type_}",
80,
0,
0,
{"path": "/~paulsm/"},
"ash-2.local.",
addresses=[socket.inet_aton("10.0.1.2")],
)
zc.register_service(info_service)
time.sleep(0.001)
browser.cancel()
assert updates
assert len([isinstance(update, r.DNSPointer) and update.name == type_ for update in updates]) >= 1
zc.remove_listener(listener)
# Removing a second time should not throw
zc.remove_listener(listener)
zc.close()
def test_record_update_compat():
"""Test a RecordUpdate can fetch by index."""
new = r.DNSPointer("irrelevant", const._TYPE_SRV, const._CLASS_IN, const._DNS_HOST_TTL, "new")
old = r.DNSPointer("irrelevant", const._TYPE_SRV, const._CLASS_IN, const._DNS_HOST_TTL, "old")
update = RecordUpdate(new, old)
assert update[0] == new
assert update[1] == old
with pytest.raises(IndexError):
update[2]
assert update.new == new
assert update.old == old
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