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"""Unit tests for zeroconf._utils.ipaddress."""
from __future__ import annotations
from zeroconf import const
from zeroconf._dns import DNSAddress
from zeroconf._utils import ipaddress
def test_cached_ip_addresses_wrapper():
"""Test the cached_ip_addresses_wrapper."""
assert ipaddress.cached_ip_addresses("") is None
assert ipaddress.cached_ip_addresses("foo") is None
assert (
str(ipaddress.cached_ip_addresses(b"&\x06(\x00\x02 \x00\x01\x02H\x18\x93%\xc8\x19F"))
== "2606:2800:220:1:248:1893:25c8:1946"
)
loop_back_ipv6 = ipaddress.cached_ip_addresses("::1")
assert loop_back_ipv6 == ipaddress.IPv6Address("::1")
assert loop_back_ipv6.is_loopback is True
assert hash(loop_back_ipv6) == hash(ipaddress.IPv6Address("::1"))
loop_back_ipv4 = ipaddress.cached_ip_addresses("127.0.0.1")
assert loop_back_ipv4 == ipaddress.IPv4Address("127.0.0.1")
assert loop_back_ipv4.is_loopback is True
assert hash(loop_back_ipv4) == hash(ipaddress.IPv4Address("127.0.0.1"))
ipv4 = ipaddress.cached_ip_addresses("169.254.0.0")
assert ipv4 is not None
assert ipv4.is_link_local is True
assert ipv4.is_unspecified is False
ipv4 = ipaddress.cached_ip_addresses("0.0.0.0")
assert ipv4 is not None
assert ipv4.is_link_local is False
assert ipv4.is_unspecified is True
ipv6 = ipaddress.cached_ip_addresses("fe80::1")
assert ipv6 is not None
assert ipv6.is_link_local is True
assert ipv6.is_unspecified is False
ipv6 = ipaddress.cached_ip_addresses("0:0:0:0:0:0:0:0")
assert ipv6 is not None
assert ipv6.is_link_local is False
assert ipv6.is_unspecified is True
def test_get_ip_address_object_from_record():
"""Test the get_ip_address_object_from_record."""
# not link local
packed = b"&\x06(\x00\x02 \x00\x01\x02H\x18\x93%\xc8\x19F"
record = DNSAddress(
"domain.local",
const._TYPE_AAAA,
const._CLASS_IN | const._CLASS_UNIQUE,
1,
packed,
scope_id=3,
)
assert record.scope_id == 3
assert ipaddress.get_ip_address_object_from_record(record) == ipaddress.IPv6Address(
"2606:2800:220:1:248:1893:25c8:1946"
)
# link local
packed = b"\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01"
record = DNSAddress(
"domain.local",
const._TYPE_AAAA,
const._CLASS_IN | const._CLASS_UNIQUE,
1,
packed,
scope_id=3,
)
assert record.scope_id == 3
assert ipaddress.get_ip_address_object_from_record(record) == ipaddress.IPv6Address("fe80::1%3")
record = DNSAddress(
"domain.local",
const._TYPE_AAAA,
const._CLASS_IN | const._CLASS_UNIQUE,
1,
packed,
)
assert record.scope_id is None
assert ipaddress.get_ip_address_object_from_record(record) == ipaddress.IPv6Address("fe80::1")
record = DNSAddress(
"domain.local",
const._TYPE_A,
const._CLASS_IN | const._CLASS_UNIQUE,
1,
packed,
scope_id=0,
)
assert record.scope_id == 0
# Ensure scope_id of 0 is not appended to the address
assert ipaddress.get_ip_address_object_from_record(record) == ipaddress.IPv6Address("fe80::1")
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