aioesphomeapi/tests/test_host_resolver.py

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import asyncio
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import socket
import pytest
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from mock import AsyncMock, MagicMock, patch
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import aioesphomeapi.host_resolver as hr
from aioesphomeapi.core import APIConnectionError
@pytest.fixture
def async_zeroconf():
with patch("zeroconf.asyncio.AsyncZeroconf") as klass:
yield klass.return_value
@pytest.fixture
def addr_infos():
return [
hr.AddrInfo(
family=socket.AF_INET,
type=socket.SOCK_STREAM,
proto=socket.IPPROTO_TCP,
sockaddr=hr.IPv4Sockaddr(address="10.0.0.42", port=6052),
),
hr.AddrInfo(
family=socket.AF_INET6,
type=socket.SOCK_STREAM,
proto=socket.IPPROTO_TCP,
sockaddr=hr.IPv6Sockaddr(
address="2001:db8:85a3::8a2e:370:7334",
port=6052,
flowinfo=0,
scope_id=0,
),
),
]
@pytest.mark.asyncio
async def test_resolve_host_zeroconf(async_zeroconf, addr_infos):
info = MagicMock()
info.addresses_by_version.return_value = [
b"\n\x00\x00*",
b" \x01\r\xb8\x85\xa3\x00\x00\x00\x00\x8a.\x03ps4",
]
async_zeroconf.async_get_service_info = AsyncMock(return_value=info)
async_zeroconf.async_close = AsyncMock()
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ret = await hr._async_resolve_host_zeroconf("asdf", 6052)
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async_zeroconf.async_get_service_info.assert_called_once_with(
"_esphomelib._tcp.local.", "asdf._esphomelib._tcp.local.", 3000
)
async_zeroconf.async_close.assert_called_once_with()
assert ret == addr_infos
@pytest.mark.asyncio
async def test_resolve_host_zeroconf_empty(async_zeroconf):
async_zeroconf.async_get_service_info = AsyncMock(return_value=None)
async_zeroconf.async_close = AsyncMock()
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ret = await hr._async_resolve_host_zeroconf("asdf.local", 6052)
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assert ret == []
@pytest.mark.asyncio
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async def test_resolve_host_getaddrinfo(event_loop, addr_infos):
with patch.object(event_loop, "getaddrinfo") as mock:
mock.return_value = [
(
socket.AF_INET,
socket.SOCK_STREAM,
socket.IPPROTO_TCP,
"canon1",
("10.0.0.42", 6052),
),
(
socket.AF_INET6,
socket.SOCK_STREAM,
socket.IPPROTO_TCP,
"canon2",
("2001:db8:85a3::8a2e:370:7334", 6052, 0, 0),
),
(-1, socket.SOCK_STREAM, socket.IPPROTO_TCP, "canon3", ("10.0.0.42", 6052)),
]
ret = await hr._async_resolve_host_getaddrinfo("example.com", 6052)
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assert ret == addr_infos
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@pytest.mark.asyncio
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async def test_resolve_host_getaddrinfo_oserror(event_loop):
with patch.object(event_loop, "getaddrinfo") as mock:
mock.side_effect = OSError()
with pytest.raises(APIConnectionError):
await hr._async_resolve_host_getaddrinfo("example.com", 6052)
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@pytest.mark.asyncio
@patch("aioesphomeapi.host_resolver._async_resolve_host_zeroconf")
@patch("aioesphomeapi.host_resolver._async_resolve_host_getaddrinfo")
async def test_resolve_host_mdns(resolve_addr, resolve_zc, addr_infos):
resolve_zc.return_value = addr_infos
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ret = await hr.async_resolve_host("example.local", 6052)
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resolve_zc.assert_called_once_with("example", 6052, zeroconf_instance=None)
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resolve_addr.assert_not_called()
assert ret == addr_infos[0]
@pytest.mark.asyncio
@patch("aioesphomeapi.host_resolver._async_resolve_host_zeroconf")
@patch("aioesphomeapi.host_resolver._async_resolve_host_getaddrinfo")
async def test_resolve_host_mdns_empty(resolve_addr, resolve_zc, addr_infos):
resolve_zc.return_value = []
resolve_addr.return_value = addr_infos
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ret = await hr.async_resolve_host("example.local", 6052)
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resolve_zc.assert_called_once_with("example", 6052, zeroconf_instance=None)
resolve_addr.assert_called_once_with("example.local", 6052)
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assert ret == addr_infos[0]
@pytest.mark.asyncio
@patch("aioesphomeapi.host_resolver._async_resolve_host_zeroconf")
@patch("aioesphomeapi.host_resolver._async_resolve_host_getaddrinfo")
async def test_resolve_host_addrinfo(resolve_addr, resolve_zc, addr_infos):
resolve_addr.return_value = addr_infos
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ret = await hr.async_resolve_host("example.com", 6052)
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resolve_zc.assert_not_called()
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resolve_addr.assert_called_once_with("example.com", 6052)
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assert ret == addr_infos[0]
@pytest.mark.asyncio
@patch("aioesphomeapi.host_resolver._async_resolve_host_zeroconf")
@patch("aioesphomeapi.host_resolver._async_resolve_host_getaddrinfo")
async def test_resolve_host_addrinfo_empty(resolve_addr, resolve_zc, addr_infos):
resolve_addr.return_value = []
with pytest.raises(APIConnectionError):
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await hr.async_resolve_host("example.com", 6052)
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resolve_zc.assert_not_called()
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resolve_addr.assert_called_once_with("example.com", 6052)