Improve scalability of DHCP matchers (#109406)
parent
52d27230bc
commit
73589015c3
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@ -9,6 +9,7 @@ from dataclasses import dataclass
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from datetime import timedelta
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from fnmatch import translate
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from functools import lru_cache
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import itertools
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import logging
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import os
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import re
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@ -89,11 +90,55 @@ class DhcpServiceInfo(BaseServiceInfo):
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macaddress: str
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@dataclass(slots=True)
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class DhcpMatchers:
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"""Prepared info from dhcp entries."""
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registered_devices_domains: set[str]
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no_oui_matchers: dict[str, list[DHCPMatcher]]
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oui_matchers: dict[str, list[DHCPMatcher]]
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def async_index_integration_matchers(
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integration_matchers: list[DHCPMatcher],
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) -> DhcpMatchers:
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"""Index the integration matchers.
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We have three types of matchers:
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1. Registered devices
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2. Devices with no OUI - index by first char of lower() hostname
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3. Devices with OUI - index by OUI
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"""
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registered_devices_domains: set[str] = set()
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no_oui_matchers: dict[str, list[DHCPMatcher]] = {}
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oui_matchers: dict[str, list[DHCPMatcher]] = {}
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for matcher in integration_matchers:
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domain = matcher["domain"]
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if REGISTERED_DEVICES in matcher:
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registered_devices_domains.add(domain)
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continue
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if mac_address := matcher.get(MAC_ADDRESS):
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oui_matchers.setdefault(mac_address[:6], []).append(matcher)
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continue
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if hostname := matcher.get(HOSTNAME):
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first_char = hostname[0].lower()
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no_oui_matchers.setdefault(first_char, []).append(matcher)
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return DhcpMatchers(
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registered_devices_domains=registered_devices_domains,
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no_oui_matchers=no_oui_matchers,
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oui_matchers=oui_matchers,
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)
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async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
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"""Set up the dhcp component."""
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watchers: list[WatcherBase] = []
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address_data: dict[str, dict[str, str]] = {}
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integration_matchers = await async_get_dhcp(hass)
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integration_matchers = async_index_integration_matchers(await async_get_dhcp(hass))
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# For the passive classes we need to start listening
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# for state changes and connect the dispatchers before
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# everything else starts up or we will miss events
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@ -125,7 +170,7 @@ class WatcherBase(ABC):
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self,
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hass: HomeAssistant,
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address_data: dict[str, dict[str, str]],
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integration_matchers: list[DHCPMatcher],
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integration_matchers: DhcpMatchers,
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) -> None:
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"""Initialize class."""
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super().__init__()
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@ -189,28 +234,29 @@ class WatcherBase(ABC):
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lowercase_hostname,
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)
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matched_domains = set()
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device_domains = set()
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matched_domains: set[str] = set()
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matchers = self._integration_matchers
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registered_devices_domains = matchers.registered_devices_domains
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dev_reg: DeviceRegistry = async_get(self.hass)
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if device := dev_reg.async_get_device(
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connections={(CONNECTION_NETWORK_MAC, uppercase_mac)}
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):
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for entry_id in device.config_entries:
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if entry := self.hass.config_entries.async_get_entry(entry_id):
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device_domains.add(entry.domain)
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if (
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entry := self.hass.config_entries.async_get_entry(entry_id)
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) and entry.domain in registered_devices_domains:
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matched_domains.add(entry.domain)
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for matcher in self._integration_matchers:
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oui = uppercase_mac[:6]
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lowercase_hostname_first_char = (
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lowercase_hostname[0] if len(lowercase_hostname) else ""
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)
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for matcher in itertools.chain(
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matchers.no_oui_matchers.get(lowercase_hostname_first_char, ()),
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matchers.oui_matchers.get(oui, ()),
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):
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domain = matcher["domain"]
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if matcher.get(REGISTERED_DEVICES) and domain not in device_domains:
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continue
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if (
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matcher_mac := matcher.get(MAC_ADDRESS)
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) is not None and not _memorized_fnmatch(uppercase_mac, matcher_mac):
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continue
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if (
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matcher_hostname := matcher.get(HOSTNAME)
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) is not None and not _memorized_fnmatch(
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@ -241,7 +287,7 @@ class NetworkWatcher(WatcherBase):
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self,
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hass: HomeAssistant,
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address_data: dict[str, dict[str, str]],
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integration_matchers: list[DHCPMatcher],
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integration_matchers: DhcpMatchers,
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) -> None:
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"""Initialize class."""
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super().__init__(hass, address_data, integration_matchers)
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@ -294,7 +340,7 @@ class DeviceTrackerWatcher(WatcherBase):
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self,
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hass: HomeAssistant,
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address_data: dict[str, dict[str, str]],
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integration_matchers: list[DHCPMatcher],
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integration_matchers: DhcpMatchers,
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) -> None:
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"""Initialize class."""
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super().__init__(hass, address_data, integration_matchers)
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@ -349,7 +395,7 @@ class DeviceTrackerRegisteredWatcher(WatcherBase):
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self,
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hass: HomeAssistant,
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address_data: dict[str, dict[str, str]],
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integration_matchers: list[DHCPMatcher],
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integration_matchers: DhcpMatchers,
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) -> None:
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"""Initialize class."""
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super().__init__(hass, address_data, integration_matchers)
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@ -387,7 +433,7 @@ class DHCPWatcher(WatcherBase):
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self,
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hass: HomeAssistant,
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address_data: dict[str, dict[str, str]],
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integration_matchers: list[DHCPMatcher],
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integration_matchers: DhcpMatchers,
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) -> None:
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"""Initialize class."""
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super().__init__(hass, address_data, integration_matchers)
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@ -1,6 +1,8 @@
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"""Test the DHCP discovery integration."""
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from collections.abc import Awaitable, Callable
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import datetime
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import threading
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from typing import Any, cast
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from unittest.mock import MagicMock, patch
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import pytest
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@ -130,13 +132,15 @@ RAW_DHCP_REQUEST_WITHOUT_HOSTNAME = (
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)
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async def _async_get_handle_dhcp_packet(hass, integration_matchers):
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async def _async_get_handle_dhcp_packet(
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hass: HomeAssistant, integration_matchers: dhcp.DhcpMatchers
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) -> Callable[[Any], Awaitable[None]]:
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dhcp_watcher = dhcp.DHCPWatcher(
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hass,
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{},
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integration_matchers,
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)
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async_handle_dhcp_packet = None
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async_handle_dhcp_packet: Callable[[Any], Awaitable[None]] | None = None
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def _mock_sniffer(*args, **kwargs):
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nonlocal async_handle_dhcp_packet
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@ -158,14 +162,14 @@ async def _async_get_handle_dhcp_packet(hass, integration_matchers):
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):
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await dhcp_watcher.async_start()
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return async_handle_dhcp_packet
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return cast("Callable[[Any], Awaitable[None]]", async_handle_dhcp_packet)
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async def test_dhcp_match_hostname_and_macaddress(hass: HomeAssistant) -> None:
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"""Test matching based on hostname and macaddress."""
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integration_matchers = [
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{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}
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]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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async_handle_dhcp_packet = await _async_get_handle_dhcp_packet(
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@ -190,9 +194,9 @@ async def test_dhcp_match_hostname_and_macaddress(hass: HomeAssistant) -> None:
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async def test_dhcp_renewal_match_hostname_and_macaddress(hass: HomeAssistant) -> None:
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"""Test renewal matching based on hostname and macaddress."""
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integration_matchers = [
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{"domain": "mock-domain", "hostname": "irobot-*", "macaddress": "501479*"}
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]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "irobot-*", "macaddress": "501479*"}]
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)
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packet = Ether(RAW_DHCP_RENEWAL)
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@ -220,10 +224,12 @@ async def test_registered_devices(
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hass: HomeAssistant, device_registry: dr.DeviceRegistry
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) -> None:
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"""Test discovery flows are created for registered devices."""
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integration_matchers = [
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{"domain": "not-matching", "registered_devices": True},
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{"domain": "mock-domain", "registered_devices": True},
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]
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integration_matchers = dhcp.async_index_integration_matchers(
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[
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{"domain": "not-matching", "registered_devices": True},
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{"domain": "mock-domain", "registered_devices": True},
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]
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)
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packet = Ether(RAW_DHCP_RENEWAL)
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@ -265,7 +271,9 @@ async def test_registered_devices(
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async def test_dhcp_match_hostname(hass: HomeAssistant) -> None:
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"""Test matching based on hostname only."""
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integration_matchers = [{"domain": "mock-domain", "hostname": "connect"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "connect"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -289,7 +297,9 @@ async def test_dhcp_match_hostname(hass: HomeAssistant) -> None:
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async def test_dhcp_match_macaddress(hass: HomeAssistant) -> None:
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"""Test matching based on macaddress only."""
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integration_matchers = [{"domain": "mock-domain", "macaddress": "B8B7F1*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "macaddress": "B8B7F1*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -313,10 +323,12 @@ async def test_dhcp_match_macaddress(hass: HomeAssistant) -> None:
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async def test_dhcp_multiple_match_only_one_flow(hass: HomeAssistant) -> None:
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"""Test matching the domain multiple times only generates one flow."""
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integration_matchers = [
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{"domain": "mock-domain", "macaddress": "B8B7F1*"},
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{"domain": "mock-domain", "hostname": "connect"},
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]
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integration_matchers = dhcp.async_index_integration_matchers(
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[
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{"domain": "mock-domain", "macaddress": "B8B7F1*"},
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{"domain": "mock-domain", "hostname": "connect"},
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]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -340,7 +352,9 @@ async def test_dhcp_multiple_match_only_one_flow(hass: HomeAssistant) -> None:
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async def test_dhcp_match_macaddress_without_hostname(hass: HomeAssistant) -> None:
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"""Test matching based on macaddress only."""
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integration_matchers = [{"domain": "mock-domain", "macaddress": "606BBD*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "macaddress": "606BBD*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST_WITHOUT_HOSTNAME)
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@ -364,7 +378,9 @@ async def test_dhcp_match_macaddress_without_hostname(hass: HomeAssistant) -> No
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async def test_dhcp_nomatch(hass: HomeAssistant) -> None:
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"""Test not matching based on macaddress only."""
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integration_matchers = [{"domain": "mock-domain", "macaddress": "ABC123*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "macaddress": "ABC123*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -379,7 +395,9 @@ async def test_dhcp_nomatch(hass: HomeAssistant) -> None:
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async def test_dhcp_nomatch_hostname(hass: HomeAssistant) -> None:
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"""Test not matching based on hostname only."""
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integration_matchers = [{"domain": "mock-domain", "hostname": "nomatch*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "nomatch*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -394,7 +412,9 @@ async def test_dhcp_nomatch_hostname(hass: HomeAssistant) -> None:
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async def test_dhcp_nomatch_non_dhcp_packet(hass: HomeAssistant) -> None:
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"""Test matching does not throw on a non-dhcp packet."""
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integration_matchers = [{"domain": "mock-domain", "hostname": "nomatch*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "nomatch*"}]
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)
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packet = Ether(b"")
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@ -409,7 +429,9 @@ async def test_dhcp_nomatch_non_dhcp_packet(hass: HomeAssistant) -> None:
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async def test_dhcp_nomatch_non_dhcp_request_packet(hass: HomeAssistant) -> None:
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"""Test nothing happens with the wrong message-type."""
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integration_matchers = [{"domain": "mock-domain", "hostname": "nomatch*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "nomatch*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -433,7 +455,9 @@ async def test_dhcp_nomatch_non_dhcp_request_packet(hass: HomeAssistant) -> None
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async def test_dhcp_invalid_hostname(hass: HomeAssistant) -> None:
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"""Test we ignore invalid hostnames."""
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integration_matchers = [{"domain": "mock-domain", "hostname": "nomatch*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "nomatch*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -457,7 +481,9 @@ async def test_dhcp_invalid_hostname(hass: HomeAssistant) -> None:
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async def test_dhcp_missing_hostname(hass: HomeAssistant) -> None:
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"""Test we ignore missing hostnames."""
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integration_matchers = [{"domain": "mock-domain", "hostname": "nomatch*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "nomatch*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -481,7 +507,9 @@ async def test_dhcp_missing_hostname(hass: HomeAssistant) -> None:
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async def test_dhcp_invalid_option(hass: HomeAssistant) -> None:
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"""Test we ignore invalid hostname option."""
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integration_matchers = [{"domain": "mock-domain", "hostname": "nomatch*"}]
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integration_matchers = dhcp.async_index_integration_matchers(
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[{"domain": "mock-domain", "hostname": "nomatch*"}]
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)
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packet = Ether(RAW_DHCP_REQUEST)
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@ -628,7 +656,15 @@ async def test_device_tracker_hostname_and_macaddress_exists_before_start(
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device_tracker_watcher = dhcp.DeviceTrackerWatcher(
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hass,
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{},
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[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}],
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dhcp.async_index_integration_matchers(
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[
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{
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"domain": "mock-domain",
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"hostname": "connect",
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"macaddress": "B8B7F1*",
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}
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]
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),
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)
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await device_tracker_watcher.async_start()
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await hass.async_block_till_done()
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@ -653,7 +689,15 @@ async def test_device_tracker_registered(hass: HomeAssistant) -> None:
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device_tracker_watcher = dhcp.DeviceTrackerRegisteredWatcher(
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hass,
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{},
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[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}],
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dhcp.async_index_integration_matchers(
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[
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{
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"domain": "mock-domain",
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"hostname": "connect",
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"macaddress": "B8B7F1*",
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}
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]
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),
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)
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await device_tracker_watcher.async_start()
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await hass.async_block_till_done()
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@ -684,7 +728,15 @@ async def test_device_tracker_registered_hostname_none(hass: HomeAssistant) -> N
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device_tracker_watcher = dhcp.DeviceTrackerRegisteredWatcher(
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hass,
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{},
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[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}],
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dhcp.async_index_integration_matchers(
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[
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{
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"domain": "mock-domain",
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"hostname": "connect",
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"macaddress": "B8B7F1*",
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}
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]
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),
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)
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await device_tracker_watcher.async_start()
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await hass.async_block_till_done()
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@ -709,7 +761,15 @@ async def test_device_tracker_hostname_and_macaddress_after_start(
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device_tracker_watcher = dhcp.DeviceTrackerWatcher(
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hass,
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{},
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[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}],
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dhcp.async_index_integration_matchers(
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[
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{
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"domain": "mock-domain",
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"hostname": "connect",
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"macaddress": "B8B7F1*",
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}
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]
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),
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)
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await device_tracker_watcher.async_start()
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await hass.async_block_till_done()
|
||||
|
@ -748,7 +808,15 @@ async def test_device_tracker_hostname_and_macaddress_after_start_not_home(
|
|||
device_tracker_watcher = dhcp.DeviceTrackerWatcher(
|
||||
hass,
|
||||
{},
|
||||
[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}],
|
||||
dhcp.async_index_integration_matchers(
|
||||
[
|
||||
{
|
||||
"domain": "mock-domain",
|
||||
"hostname": "connect",
|
||||
"macaddress": "B8B7F1*",
|
||||
}
|
||||
]
|
||||
),
|
||||
)
|
||||
await device_tracker_watcher.async_start()
|
||||
await hass.async_block_till_done()
|
||||
|
@ -877,7 +945,15 @@ async def test_device_tracker_ignore_self_assigned_ips_before_start(
|
|||
device_tracker_watcher = dhcp.DeviceTrackerWatcher(
|
||||
hass,
|
||||
{},
|
||||
[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}],
|
||||
dhcp.async_index_integration_matchers(
|
||||
[
|
||||
{
|
||||
"domain": "mock-domain",
|
||||
"hostname": "connect",
|
||||
"macaddress": "B8B7F1*",
|
||||
}
|
||||
]
|
||||
),
|
||||
)
|
||||
await device_tracker_watcher.async_start()
|
||||
await hass.async_block_till_done()
|
||||
|
@ -902,7 +978,15 @@ async def test_aiodiscover_finds_new_hosts(hass: HomeAssistant) -> None:
|
|||
device_tracker_watcher = dhcp.NetworkWatcher(
|
||||
hass,
|
||||
{},
|
||||
[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}],
|
||||
dhcp.async_index_integration_matchers(
|
||||
[
|
||||
{
|
||||
"domain": "mock-domain",
|
||||
"hostname": "connect",
|
||||
"macaddress": "B8B7F1*",
|
||||
}
|
||||
]
|
||||
),
|
||||
)
|
||||
await device_tracker_watcher.async_start()
|
||||
await hass.async_block_till_done()
|
||||
|
@ -953,13 +1037,15 @@ async def test_aiodiscover_does_not_call_again_on_shorter_hostname(
|
|||
device_tracker_watcher = dhcp.NetworkWatcher(
|
||||
hass,
|
||||
{},
|
||||
[
|
||||
{
|
||||
"domain": "mock-domain",
|
||||
"hostname": "irobot-*",
|
||||
"macaddress": "B8B7F1*",
|
||||
}
|
||||
],
|
||||
dhcp.async_index_integration_matchers(
|
||||
[
|
||||
{
|
||||
"domain": "mock-domain",
|
||||
"hostname": "irobot-*",
|
||||
"macaddress": "B8B7F1*",
|
||||
}
|
||||
]
|
||||
),
|
||||
)
|
||||
await device_tracker_watcher.async_start()
|
||||
await hass.async_block_till_done()
|
||||
|
@ -996,7 +1082,15 @@ async def test_aiodiscover_finds_new_hosts_after_interval(hass: HomeAssistant) -
|
|||
device_tracker_watcher = dhcp.NetworkWatcher(
|
||||
hass,
|
||||
{},
|
||||
[{"domain": "mock-domain", "hostname": "connect", "macaddress": "B8B7F1*"}],
|
||||
dhcp.async_index_integration_matchers(
|
||||
[
|
||||
{
|
||||
"domain": "mock-domain",
|
||||
"hostname": "connect",
|
||||
"macaddress": "B8B7F1*",
|
||||
}
|
||||
]
|
||||
),
|
||||
)
|
||||
await device_tracker_watcher.async_start()
|
||||
await hass.async_block_till_done()
|
||||
|
|
Loading…
Reference in New Issue