core/tests/components/mhz19/test_sensor.py

126 lines
4.2 KiB
Python

"""Tests for MH-Z19 sensor."""
from unittest.mock import DEFAULT, Mock, patch
from pmsensor import co2sensor
from pmsensor.co2sensor import read_mh_z19_with_temperature
import homeassistant.components.mhz19.sensor as mhz19
from homeassistant.components.sensor import DOMAIN
from homeassistant.const import (
CONCENTRATION_PARTS_PER_MILLION,
TEMP_CELSIUS,
TEMP_FAHRENHEIT,
)
from homeassistant.setup import async_setup_component
from tests.common import assert_setup_component
async def test_setup_missing_config(hass):
"""Test setup with configuration missing required entries."""
with assert_setup_component(0):
assert await async_setup_component(
hass, DOMAIN, {"sensor": {"platform": "mhz19"}}
)
@patch("pmsensor.co2sensor.read_mh_z19", side_effect=OSError("test error"))
async def test_setup_failed_connect(mock_co2, hass):
"""Test setup when connection error occurs."""
assert not mhz19.setup_platform(
hass,
{"platform": "mhz19", mhz19.CONF_SERIAL_DEVICE: "test.serial"},
None,
)
async def test_setup_connected(hass):
"""Test setup when connection succeeds."""
with patch.multiple(
"pmsensor.co2sensor",
read_mh_z19=DEFAULT,
read_mh_z19_with_temperature=DEFAULT,
):
read_mh_z19_with_temperature.return_value = None
mock_add = Mock()
mhz19.setup_platform(
hass,
{
"platform": "mhz19",
"name": "name",
"monitored_conditions": ["co2", "temperature"],
mhz19.CONF_SERIAL_DEVICE: "test.serial",
},
mock_add,
)
assert mock_add.call_count == 1
@patch(
"pmsensor.co2sensor.read_mh_z19_with_temperature",
side_effect=OSError("test error"),
)
async def aiohttp_client_update_oserror(mock_function):
"""Test MHZClient when library throws OSError."""
client = mhz19.MHZClient(co2sensor, "test.serial")
client.update()
assert {} == client.data
@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(5001, 24))
async def aiohttp_client_update_ppm_overflow(mock_function):
"""Test MHZClient when ppm is too high."""
client = mhz19.MHZClient(co2sensor, "test.serial")
client.update()
assert client.data.get("co2") is None
@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(1000, 24))
async def aiohttp_client_update_good_read(mock_function):
"""Test MHZClient when ppm is too high."""
client = mhz19.MHZClient(co2sensor, "test.serial")
client.update()
assert {"temperature": 24, "co2": 1000} == client.data
@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(1000, 24))
async def test_co2_sensor(mock_function, hass):
"""Test CO2 sensor."""
client = mhz19.MHZClient(co2sensor, "test.serial")
sensor = mhz19.MHZ19Sensor(client, "name", mhz19.SENSOR_TYPES[1])
sensor.hass = hass
sensor.update()
assert sensor.name == "name: CO2"
assert sensor.state == 1000
assert sensor.native_unit_of_measurement == CONCENTRATION_PARTS_PER_MILLION
assert sensor.should_poll
assert sensor.extra_state_attributes == {"temperature": 24}
@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(1000, 24))
async def test_temperature_sensor(mock_function, hass):
"""Test temperature sensor."""
client = mhz19.MHZClient(co2sensor, "test.serial")
sensor = mhz19.MHZ19Sensor(client, "name", mhz19.SENSOR_TYPES[0])
sensor.hass = hass
sensor.update()
assert sensor.name == "name: Temperature"
assert sensor.state == 24
assert sensor.native_unit_of_measurement == TEMP_CELSIUS
assert sensor.should_poll
assert sensor.extra_state_attributes == {"co2_concentration": 1000}
@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(1000, 24))
async def test_temperature_sensor_f(mock_function, hass):
"""Test temperature sensor."""
with patch.object(hass.config.units, "temperature_unit", TEMP_FAHRENHEIT):
client = mhz19.MHZClient(co2sensor, "test.serial")
sensor = mhz19.MHZ19Sensor(client, "name", mhz19.SENSOR_TYPES[0])
sensor.hass = hass
sensor.update()
assert sensor.state == 75