core/tests/components/mqtt/test_util.py

262 lines
8.4 KiB
Python

"""Test MQTT utils."""
from collections.abc import Callable
from pathlib import Path
from random import getrandbits
import tempfile
from unittest.mock import patch
import pytest
from homeassistant.components import mqtt
from homeassistant.config_entries import ConfigEntryDisabler, ConfigEntryState
from homeassistant.core import CoreState, HomeAssistant
from tests.common import MockConfigEntry
from tests.typing import MqttMockHAClient, MqttMockPahoClient
@pytest.mark.parametrize(
("option", "content", "file_created"),
[
(mqtt.CONF_CERTIFICATE, "auto", False),
(mqtt.CONF_CERTIFICATE, "### CA CERTIFICATE ###", True),
(mqtt.CONF_CLIENT_CERT, "### CLIENT CERTIFICATE ###", True),
(mqtt.CONF_CLIENT_KEY, "### PRIVATE KEY ###", True),
],
)
@pytest.mark.parametrize("temp_dir_prefix", ["create-test"])
async def test_async_create_certificate_temp_files(
hass: HomeAssistant,
mock_temp_dir: str,
option: str,
content: str,
file_created: bool,
) -> None:
"""Test creating and reading and recovery certificate files."""
config = {option: content}
temp_dir = Path(tempfile.gettempdir()) / mock_temp_dir
# Create old file to be able to assert it is removed with auto option
def _ensure_old_file_exists() -> None:
if not temp_dir.exists():
temp_dir.mkdir(0o700)
temp_file = temp_dir / option
with open(temp_file, "wb") as old_file:
old_file.write(b"old content")
old_file.close()
await hass.async_add_executor_job(_ensure_old_file_exists)
await mqtt.util.async_create_certificate_temp_files(hass, config)
file_path = await hass.async_add_executor_job(mqtt.util.get_file_path, option)
assert bool(file_path) is file_created
assert (
await hass.async_add_executor_job(
mqtt.util.migrate_certificate_file_to_content, file_path or content
)
== content
)
# Make sure certificate temp files are recovered
await hass.async_add_executor_job(_ensure_old_file_exists)
await mqtt.util.async_create_certificate_temp_files(hass, config)
file_path2 = await hass.async_add_executor_job(mqtt.util.get_file_path, option)
assert bool(file_path2) is file_created
assert (
await hass.async_add_executor_job(
mqtt.util.migrate_certificate_file_to_content, file_path2 or content
)
== content
)
assert file_path == file_path2
async def test_reading_non_exitisting_certificate_file() -> None:
"""Test reading a non existing certificate file."""
assert (
mqtt.util.migrate_certificate_file_to_content("/home/file_not_exists") is None
)
@pytest.mark.parametrize("temp_dir_prefix", "unknown")
async def test_return_default_get_file_path(
hass: HomeAssistant, mock_temp_dir: str
) -> None:
"""Test get_file_path returns default."""
def _get_file_path(file_path: Path) -> bool:
return (
not file_path.exists()
and mqtt.util.get_file_path("some_option", "mydefault") == "mydefault"
)
with patch(
"homeassistant.components.mqtt.util.TEMP_DIR_NAME",
f"home-assistant-mqtt-other-{getrandbits(10):03x}",
) as mock_temp_dir:
tempdir = Path(tempfile.gettempdir()) / mock_temp_dir
assert await hass.async_add_executor_job(_get_file_path, tempdir)
@patch("homeassistant.components.mqtt.PLATFORMS", [])
async def test_waiting_for_client_not_loaded(
hass: HomeAssistant,
mqtt_client_mock: MqttMockPahoClient,
) -> None:
"""Test waiting for client while mqtt entry is not yet loaded."""
hass.state = CoreState.starting
await hass.async_block_till_done()
entry = MockConfigEntry(
domain=mqtt.DOMAIN,
data={"broker": "test-broker"},
state=ConfigEntryState.NOT_LOADED,
)
entry.add_to_hass(hass)
unsubs: list[Callable[[], None]] = []
async def _async_just_in_time_subscribe() -> Callable[[], None]:
nonlocal unsub
assert await mqtt.async_wait_for_mqtt_client(hass)
# Awaiting a second time should work too and return True
assert await mqtt.async_wait_for_mqtt_client(hass)
unsubs.append(await mqtt.async_subscribe(hass, "test_topic", lambda msg: None))
# Simulate some integration waiting for the client to become available
hass.async_add_job(_async_just_in_time_subscribe)
hass.async_add_job(_async_just_in_time_subscribe)
hass.async_add_job(_async_just_in_time_subscribe)
hass.async_add_job(_async_just_in_time_subscribe)
assert entry.state == ConfigEntryState.NOT_LOADED
assert await hass.config_entries.async_setup(entry.entry_id)
assert len(unsubs) == 4
for unsub in unsubs:
unsub()
@patch("homeassistant.components.mqtt.PLATFORMS", [])
async def test_waiting_for_client_loaded(
hass: HomeAssistant,
mqtt_mock: MqttMockHAClient,
) -> None:
"""Test waiting for client where mqtt entry is loaded."""
unsub: Callable[[], None] | None = None
async def _async_just_in_time_subscribe() -> Callable[[], None]:
nonlocal unsub
assert await mqtt.async_wait_for_mqtt_client(hass)
unsub = await mqtt.async_subscribe(hass, "test_topic", lambda msg: None)
entry = hass.config_entries.async_entries(mqtt.DATA_MQTT)[0]
assert entry.state == ConfigEntryState.LOADED
await _async_just_in_time_subscribe()
assert unsub is not None
unsub()
async def test_waiting_for_client_entry_fails(
hass: HomeAssistant,
mqtt_client_mock: MqttMockPahoClient,
) -> None:
"""Test waiting for client where mqtt entry is failing."""
hass.state = CoreState.starting
await hass.async_block_till_done()
entry = MockConfigEntry(
domain=mqtt.DOMAIN,
data={"broker": "test-broker"},
state=ConfigEntryState.NOT_LOADED,
)
entry.add_to_hass(hass)
async def _async_just_in_time_subscribe() -> Callable[[], None]:
assert not await mqtt.async_wait_for_mqtt_client(hass)
hass.async_add_job(_async_just_in_time_subscribe)
assert entry.state == ConfigEntryState.NOT_LOADED
with patch(
"homeassistant.components.mqtt.async_setup_entry",
side_effect=Exception,
):
await hass.config_entries.async_setup(entry.entry_id)
assert entry.state == ConfigEntryState.SETUP_ERROR
async def test_waiting_for_client_setup_fails(
hass: HomeAssistant,
mqtt_client_mock: MqttMockPahoClient,
) -> None:
"""Test waiting for client where mqtt entry is failing during setup."""
hass.state = CoreState.starting
await hass.async_block_till_done()
entry = MockConfigEntry(
domain=mqtt.DOMAIN,
data={"broker": "test-broker"},
state=ConfigEntryState.NOT_LOADED,
)
entry.add_to_hass(hass)
async def _async_just_in_time_subscribe() -> Callable[[], None]:
assert not await mqtt.async_wait_for_mqtt_client(hass)
hass.async_add_job(_async_just_in_time_subscribe)
assert entry.state == ConfigEntryState.NOT_LOADED
# Simulate MQTT setup fails before the client would become available
mqtt_client_mock.connect.side_effect = Exception
assert not await hass.config_entries.async_setup(entry.entry_id)
assert entry.state == ConfigEntryState.SETUP_ERROR
@patch("homeassistant.components.mqtt.util.AVAILABILITY_TIMEOUT", 0.01)
async def test_waiting_for_client_timeout(
hass: HomeAssistant,
) -> None:
"""Test waiting for client with timeout."""
hass.state = CoreState.starting
await hass.async_block_till_done()
entry = MockConfigEntry(
domain=mqtt.DOMAIN,
data={"broker": "test-broker"},
state=ConfigEntryState.NOT_LOADED,
)
entry.add_to_hass(hass)
assert entry.state == ConfigEntryState.NOT_LOADED
# returns False after timeout
assert not await mqtt.async_wait_for_mqtt_client(hass)
async def test_waiting_for_client_with_disabled_entry(
hass: HomeAssistant,
) -> None:
"""Test waiting for client with timeout."""
hass.state = CoreState.starting
await hass.async_block_till_done()
entry = MockConfigEntry(
domain=mqtt.DOMAIN,
data={"broker": "test-broker"},
state=ConfigEntryState.NOT_LOADED,
)
entry.add_to_hass(hass)
# Disable MQTT config entry
await hass.config_entries.async_set_disabled_by(
entry.entry_id, ConfigEntryDisabler.USER
)
assert entry.state == ConfigEntryState.NOT_LOADED
# returns False because entry is disabled
assert not await mqtt.async_wait_for_mqtt_client(hass)