134 lines
4.8 KiB
Python
134 lines
4.8 KiB
Python
"""Tests for MH-Z19 sensor."""
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import unittest
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from unittest.mock import DEFAULT, Mock, patch
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import homeassistant.components.mhz19.sensor as mhz19
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from homeassistant.components.sensor import DOMAIN
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from homeassistant.const import TEMP_FAHRENHEIT
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from homeassistant.setup import setup_component
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from tests.common import assert_setup_component, get_test_home_assistant
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class TestMHZ19Sensor(unittest.TestCase):
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"""Test the MH-Z19 sensor."""
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hass = None
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def setup_method(self, method):
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"""Set up things to be run when tests are started."""
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self.hass = get_test_home_assistant()
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def teardown_method(self, method):
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"""Stop everything that was started."""
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self.hass.stop()
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def test_setup_missing_config(self):
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"""Test setup with configuration missing required entries."""
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with assert_setup_component(0):
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assert setup_component(self.hass, DOMAIN, {"sensor": {"platform": "mhz19"}})
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@patch("pmsensor.co2sensor.read_mh_z19", side_effect=OSError("test error"))
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def test_setup_failed_connect(self, mock_co2):
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"""Test setup when connection error occurs."""
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assert not mhz19.setup_platform(
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self.hass,
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{"platform": "mhz19", mhz19.CONF_SERIAL_DEVICE: "test.serial"},
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None,
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)
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def test_setup_connected(self):
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"""Test setup when connection succeeds."""
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with patch.multiple(
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"pmsensor.co2sensor",
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read_mh_z19=DEFAULT,
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read_mh_z19_with_temperature=DEFAULT,
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):
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from pmsensor.co2sensor import read_mh_z19_with_temperature
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read_mh_z19_with_temperature.return_value = None
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mock_add = Mock()
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assert mhz19.setup_platform(
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self.hass,
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{
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"platform": "mhz19",
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"monitored_conditions": ["co2", "temperature"],
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mhz19.CONF_SERIAL_DEVICE: "test.serial",
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},
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mock_add,
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)
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assert 1 == mock_add.call_count
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@patch(
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"pmsensor.co2sensor.read_mh_z19_with_temperature",
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side_effect=OSError("test error"),
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)
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def aiohttp_client_update_oserror(self, mock_function):
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"""Test MHZClient when library throws OSError."""
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from pmsensor import co2sensor
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client = mhz19.MHZClient(co2sensor, "test.serial")
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client.update()
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assert {} == client.data
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@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(5001, 24))
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def aiohttp_client_update_ppm_overflow(self, mock_function):
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"""Test MHZClient when ppm is too high."""
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from pmsensor import co2sensor
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client = mhz19.MHZClient(co2sensor, "test.serial")
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client.update()
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assert client.data.get("co2") is None
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@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(1000, 24))
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def aiohttp_client_update_good_read(self, mock_function):
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"""Test MHZClient when ppm is too high."""
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from pmsensor import co2sensor
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client = mhz19.MHZClient(co2sensor, "test.serial")
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client.update()
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assert {"temperature": 24, "co2": 1000} == client.data
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@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(1000, 24))
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def test_co2_sensor(self, mock_function):
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"""Test CO2 sensor."""
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from pmsensor import co2sensor
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client = mhz19.MHZClient(co2sensor, "test.serial")
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sensor = mhz19.MHZ19Sensor(client, mhz19.SENSOR_CO2, None, "name")
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sensor.update()
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assert "name: CO2" == sensor.name
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assert 1000 == sensor.state
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assert "ppm" == sensor.unit_of_measurement
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assert sensor.should_poll
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assert {"temperature": 24} == sensor.device_state_attributes
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@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(1000, 24))
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def test_temperature_sensor(self, mock_function):
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"""Test temperature sensor."""
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from pmsensor import co2sensor
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client = mhz19.MHZClient(co2sensor, "test.serial")
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sensor = mhz19.MHZ19Sensor(client, mhz19.SENSOR_TEMPERATURE, None, "name")
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sensor.update()
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assert "name: Temperature" == sensor.name
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assert 24 == sensor.state
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assert "°C" == sensor.unit_of_measurement
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assert sensor.should_poll
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assert {"co2_concentration": 1000} == sensor.device_state_attributes
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@patch("pmsensor.co2sensor.read_mh_z19_with_temperature", return_value=(1000, 24))
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def test_temperature_sensor_f(self, mock_function):
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"""Test temperature sensor."""
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from pmsensor import co2sensor
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client = mhz19.MHZClient(co2sensor, "test.serial")
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sensor = mhz19.MHZ19Sensor(
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client, mhz19.SENSOR_TEMPERATURE, TEMP_FAHRENHEIT, "name"
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)
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sensor.update()
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assert 75.2 == sensor.state
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