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core/tests/components/egauge/test_sensor.py
Nic Eggert 2617c4a453 Add eGauge integration (#155279)
Co-authored-by: Claude <noreply@anthropic.com>
2025-12-08 17:33:11 +01:00

146 lines
4.9 KiB
Python

"""Tests for the eGauge sensor platform."""
from datetime import timedelta
from unittest.mock import MagicMock
from egauge_async.exceptions import EgaugeAuthenticationError
from freezegun.api import FrozenDateTimeFactory
from httpx import ConnectError
import pytest
from syrupy.assertion import SnapshotAssertion
from homeassistant.components.egauge.const import DOMAIN
from homeassistant.const import STATE_UNAVAILABLE
from homeassistant.core import HomeAssistant
from homeassistant.helpers import device_registry as dr, entity_registry as er
from tests.common import MockConfigEntry, async_fire_time_changed, snapshot_platform
pytestmark = pytest.mark.usefixtures("init_integration")
@pytest.mark.usefixtures("entity_registry_enabled_by_default")
async def test_sensors(
hass: HomeAssistant,
snapshot: SnapshotAssertion,
entity_registry: er.EntityRegistry,
device_registry: dr.DeviceRegistry,
mock_config_entry: MockConfigEntry,
) -> None:
"""Test the sensor entities."""
await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)
# Verify main device created with hostname
device_entry = device_registry.async_get_device(identifiers={(DOMAIN, "ABC123456")})
assert device_entry
assert device_entry == snapshot
@pytest.mark.parametrize(
"exception", [EgaugeAuthenticationError, ConnectError("Connection failed")]
)
@pytest.mark.freeze_time("2025-01-15T10:00:00+00:00")
async def test_sensor_error(
hass: HomeAssistant,
mock_egauge_client: MagicMock,
freezer: FrozenDateTimeFactory,
exception: Exception,
) -> None:
"""Test errors that occur after setup are handled."""
# Trigger exception on next update
mock_egauge_client.get_current_measurements.side_effect = exception
# Trigger update
freezer.tick(timedelta(seconds=30))
async_fire_time_changed(hass)
await hass.async_block_till_done(wait_background_tasks=True)
# Test Grid power sensor
state = hass.states.get("sensor.egauge_home_grid_power")
assert state
assert state.state == STATE_UNAVAILABLE
# Test Grid energy sensor
state = hass.states.get("sensor.egauge_home_grid_energy")
assert state
assert state.state == STATE_UNAVAILABLE
# Clear exception
mock_egauge_client.get_current_measurements.side_effect = None
# Trigger update
freezer.tick(timedelta(seconds=30))
async_fire_time_changed(hass)
await hass.async_block_till_done(wait_background_tasks=True)
# Test Grid power sensor is available
state = hass.states.get("sensor.egauge_home_grid_power")
assert state
assert state.state == "1500.0"
# Test Grid energy sensor is available
state = hass.states.get("sensor.egauge_home_grid_energy")
assert state
assert state.state == "125.0"
@pytest.mark.freeze_time("2025-01-15T10:00:00+00:00")
async def test_register_removed(
hass: HomeAssistant,
mock_egauge_client: MagicMock,
freezer: FrozenDateTimeFactory,
) -> None:
"""Test case where a register is removed on the eGauge device."""
# Remove "Grid" register
original_measurements = await mock_egauge_client.get_current_measurements()
original_counters = await mock_egauge_client.get_current_counters()
new_measurements = {k: v for k, v in original_measurements.items() if k != "Grid"}
new_counters = {k: v for k, v in original_counters.items() if k != "Grid"}
mock_egauge_client.get_current_measurements.return_value = new_measurements
mock_egauge_client.get_current_counters.return_value = new_counters
# Trigger update
freezer.tick(timedelta(seconds=30))
async_fire_time_changed(hass)
await hass.async_block_till_done(wait_background_tasks=True)
# Test Grid power sensor
state = hass.states.get("sensor.egauge_home_grid_power")
assert state
assert state.state == STATE_UNAVAILABLE
# Test Grid energy sensor
state = hass.states.get("sensor.egauge_home_grid_energy")
assert state
assert state.state == STATE_UNAVAILABLE
# Test that other sensors still work
state = hass.states.get("sensor.egauge_home_solar_power")
assert state
assert state.state == "-2500.0"
state = hass.states.get("sensor.egauge_home_solar_energy")
assert state
assert state.state == "87.5"
# Restore "Grid" register
mock_egauge_client.get_current_measurements.return_value = original_measurements
mock_egauge_client.get_current_counters.return_value = original_counters
# Trigger update
freezer.tick(timedelta(seconds=30))
async_fire_time_changed(hass)
await hass.async_block_till_done(wait_background_tasks=True)
# Test Grid power sensor is available
state = hass.states.get("sensor.egauge_home_grid_power")
assert state
assert state.state == "1500.0"
# Test Grid energy sensor is available
state = hass.states.get("sensor.egauge_home_grid_energy")
assert state
assert state.state == "125.0"