hass-core/tests/helpers/test_restore_state.py

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"""The tests for the Restore component."""
import asyncio
from unittest.mock import patch, MagicMock
from homeassistant.const import EVENT_HOMEASSISTANT_START
from homeassistant.core import CoreState, State
import homeassistant.util.dt as dt_util
from homeassistant.helpers.restore_state import (
async_get_last_state, DATA_RESTORE_CACHE)
@asyncio.coroutine
def test_caching_data(hass):
"""Test that we cache data."""
hass.config.components.add('recorder')
hass.state = CoreState.starting
states = [
State('input_boolean.b0', 'on'),
State('input_boolean.b1', 'on'),
State('input_boolean.b2', 'on'),
]
with patch('homeassistant.helpers.restore_state.last_recorder_run',
return_value=MagicMock(end=dt_util.utcnow())), \
patch('homeassistant.helpers.restore_state.get_states',
return_value=states):
state = yield from async_get_last_state(hass, 'input_boolean.b1')
assert DATA_RESTORE_CACHE in hass.data
assert hass.data[DATA_RESTORE_CACHE] == {st.entity_id: st for st in states}
assert state is not None
assert state.entity_id == 'input_boolean.b1'
assert state.state == 'on'
hass.bus.async_fire(EVENT_HOMEASSISTANT_START)
yield from hass.async_block_till_done()
assert DATA_RESTORE_CACHE not in hass.data