core/tests/conftest.py

117 lines
3.2 KiB
Python

"""Setup some common test helper things."""
import asyncio
import functools
import logging
import os
from unittest.mock import patch, MagicMock
import pytest
import requests_mock as _requests_mock
from homeassistant import util, setup
from homeassistant.util import location
from homeassistant.components import mqtt
from tests.common import async_test_home_assistant, mock_coro, INSTANCES
from tests.test_util.aiohttp import mock_aiohttp_client
from tests.mock.zwave import MockNetwork, MockOption
if os.environ.get('UVLOOP') == '1':
import uvloop
asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
logging.basicConfig()
logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)
def test_real(func):
"""Force a function to require a keyword _test_real to be passed in."""
@functools.wraps(func)
def guard_func(*args, **kwargs):
real = kwargs.pop('_test_real', None)
if not real:
raise Exception('Forgot to mock or pass "_test_real=True" to %s',
func.__name__)
return func(*args, **kwargs)
return guard_func
# Guard a few functions that would make network connections
location.detect_location_info = test_real(location.detect_location_info)
location.elevation = test_real(location.elevation)
util.get_local_ip = lambda: '127.0.0.1'
@pytest.fixture(autouse=True)
def verify_cleanup():
"""Verify that the test has cleaned up resources correctly."""
yield
if len(INSTANCES) >= 2:
count = len(INSTANCES)
for inst in INSTANCES:
inst.stop()
pytest.exit("Detected non stopped instances "
"({}), aborting test run".format(count))
@pytest.fixture
def hass(loop):
"""Fixture to provide a test instance of HASS."""
hass = loop.run_until_complete(async_test_home_assistant(loop))
yield hass
loop.run_until_complete(hass.async_stop())
@pytest.fixture
def requests_mock():
"""Fixture to provide a requests mocker."""
with _requests_mock.mock() as m:
yield m
@pytest.fixture
def aioclient_mock():
"""Fixture to mock aioclient calls."""
with mock_aiohttp_client() as mock_session:
yield mock_session
@pytest.fixture
def mqtt_mock(loop, hass):
"""Fixture to mock MQTT."""
with patch('homeassistant.components.mqtt.MQTT') as mock_mqtt:
mock_mqtt().async_connect.return_value = mock_coro(True)
assert loop.run_until_complete(setup.async_setup_component(
hass, mqtt.DOMAIN, {
mqtt.DOMAIN: {
mqtt.CONF_BROKER: 'mock-broker',
}
}))
client = mock_mqtt()
client.reset_mock()
return client
@pytest.fixture
def mock_openzwave():
"""Mock out Open Z-Wave."""
base_mock = MagicMock()
libopenzwave = base_mock.libopenzwave
libopenzwave.__file__ = 'test'
base_mock.network.ZWaveNetwork = MockNetwork
base_mock.option.ZWaveOption = MockOption
with patch.dict('sys.modules', {
'libopenzwave': libopenzwave,
'openzwave.option': base_mock.option,
'openzwave.network': base_mock.network,
'openzwave.group': base_mock.group,
}):
yield base_mock