core/tests/components/demo/test_init.py

70 lines
2.1 KiB
Python

"""The tests for the Demo component."""
from contextlib import suppress
import json
import os
import pytest
from homeassistant.components.demo import DOMAIN
from homeassistant.components.device_tracker.legacy import YAML_DEVICES
from homeassistant.components.recorder.statistics import list_statistic_ids
from homeassistant.helpers.json import JSONEncoder
from homeassistant.setup import async_setup_component, setup_component
from tests.components.recorder.common import wait_recording_done
@pytest.fixture(autouse=True)
def mock_history(hass):
"""Mock history component loaded."""
hass.config.components.add("history")
@pytest.fixture(autouse=True)
def demo_cleanup(hass):
"""Clean up device tracker demo file."""
yield
with suppress(FileNotFoundError):
os.remove(hass.config.path(YAML_DEVICES))
async def test_setting_up_demo(hass):
"""Test if we can set up the demo and dump it to JSON."""
assert await async_setup_component(hass, DOMAIN, {DOMAIN: {}})
await hass.async_block_till_done()
await hass.async_start()
# This is done to make sure entity components don't accidentally store
# non-JSON-serializable data in the state machine.
try:
json.dumps(hass.states.async_all(), cls=JSONEncoder)
except Exception: # pylint: disable=broad-except
pytest.fail(
"Unable to convert all demo entities to JSON. "
"Wrong data in state machine!"
)
def test_demo_statistics(hass_recorder):
"""Test that the demo components makes some statistics available."""
hass = hass_recorder()
assert setup_component(hass, DOMAIN, {DOMAIN: {}})
hass.block_till_done()
hass.start()
wait_recording_done(hass)
statistic_ids = list_statistic_ids(hass)
assert {
"name": None,
"source": "demo",
"statistic_id": "demo:temperature_outdoor",
"unit_of_measurement": "°C",
} in statistic_ids
assert {
"name": None,
"source": "demo",
"statistic_id": "demo:energy_consumption",
"unit_of_measurement": "kWh",
} in statistic_ids