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mirror of https://github.com/home-assistant/core synced 2024-09-06 10:29:55 +02:00

Template Lock (#17288)

* Template Lock component

* Tests

* CI Fix

* Don't track templates if they have result in MATCH_ALL

* async/await

* houndci-bot review fix
This commit is contained in:
Nikolay Vasilchuk 2018-10-11 13:53:54 +03:00 committed by Paulus Schoutsen
parent ebff253cc9
commit 2a35a3901e
2 changed files with 450 additions and 0 deletions

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"""
Support for locks which integrates with other components.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/lock.template/
"""
import logging
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.core import callback
from homeassistant.components.lock import (LockDevice, PLATFORM_SCHEMA)
from homeassistant.const import (
CONF_NAME, CONF_OPTIMISTIC, CONF_VALUE_TEMPLATE,
EVENT_HOMEASSISTANT_START, STATE_ON, STATE_LOCKED, MATCH_ALL)
from homeassistant.exceptions import TemplateError
from homeassistant.helpers.event import async_track_state_change
from homeassistant.helpers.script import Script
_LOGGER = logging.getLogger(__name__)
CONF_LOCK = 'lock'
CONF_UNLOCK = 'unlock'
DEFAULT_NAME = 'Template Lock'
DEFAULT_OPTIMISTIC = False
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Required(CONF_LOCK): cv.SCRIPT_SCHEMA,
vol.Required(CONF_UNLOCK): cv.SCRIPT_SCHEMA,
vol.Required(CONF_VALUE_TEMPLATE): cv.template,
vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean
})
async def async_setup_platform(hass, config, async_add_devices,
discovery_info=None):
"""Set up the Template lock."""
name = config.get(CONF_NAME)
value_template = config.get(CONF_VALUE_TEMPLATE)
value_template.hass = hass
value_template_entity_ids = value_template.extract_entities()
if value_template_entity_ids == MATCH_ALL:
_LOGGER.warning(
'Template lock %s has no entity ids configured to track nor '
'were we able to extract the entities to track from the %s '
'template. This entity will only be able to be updated '
'manually.', name, CONF_VALUE_TEMPLATE)
async_add_devices([TemplateLock(
hass,
name,
value_template,
value_template_entity_ids,
config.get(CONF_LOCK),
config.get(CONF_UNLOCK),
config.get(CONF_OPTIMISTIC)
)])
class TemplateLock(LockDevice):
"""Representation of a template lock."""
def __init__(self, hass, name, value_template, entity_ids,
command_lock, command_unlock, optimistic):
"""Initialize the lock."""
self._state = None
self._hass = hass
self._name = name
self._state_template = value_template
self._state_entities = entity_ids
self._command_lock = Script(hass, command_lock)
self._command_unlock = Script(hass, command_unlock)
self._optimistic = optimistic
async def async_added_to_hass(self):
"""Register callbacks."""
@callback
def template_lock_state_listener(entity, old_state, new_state):
"""Handle target device state changes."""
self.async_schedule_update_ha_state(True)
@callback
def template_lock_startup(event):
"""Update template on startup."""
if self._state_entities != MATCH_ALL:
# Track state change only for valid templates
async_track_state_change(
self._hass, self._state_entities,
template_lock_state_listener)
self.async_schedule_update_ha_state(True)
self._hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_START, template_lock_startup)
@property
def assumed_state(self):
"""Return true if we do optimistic updates."""
return self._optimistic
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def name(self):
"""Return the name of the lock."""
return self._name
@property
def is_locked(self):
"""Return true if lock is locked."""
return self._state
async def async_update(self):
"""Update the state from the template."""
try:
self._state = self._state_template.async_render().lower() in (
'true', STATE_ON, STATE_LOCKED)
except TemplateError as ex:
self._state = None
_LOGGER.error('Could not render template %s: %s', self._name, ex)
async def async_lock(self, **kwargs):
"""Lock the device."""
if self._optimistic:
self._state = True
self.async_schedule_update_ha_state()
await self._command_lock.async_run()
async def async_unlock(self, **kwargs):
"""Unlock the device."""
if self._optimistic:
self._state = False
self.async_schedule_update_ha_state()
await self._command_unlock.async_run()

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"""The tests for the Template lock platform."""
import logging
from homeassistant.core import callback
from homeassistant import setup
from homeassistant.components import lock
from homeassistant.const import STATE_ON, STATE_OFF
from tests.common import (get_test_home_assistant,
assert_setup_component)
_LOGGER = logging.getLogger(__name__)
class TestTemplateLock:
"""Test the Template lock."""
hass = None
calls = None
# pylint: disable=invalid-name
def setup_method(self, method):
"""Set up things to be run when tests are started."""
self.hass = get_test_home_assistant()
self.calls = []
@callback
def record_call(service):
"""Track function calls."""
self.calls.append(service)
self.hass.services.register('test', 'automation', record_call)
def teardown_method(self, method):
"""Stop everything that was started."""
self.hass.stop()
def test_template_state(self):
"""Test template."""
with assert_setup_component(1, 'lock'):
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'name': 'Test template lock',
'value_template':
"{{ states.switch.test_state.state }}",
'lock': {
'service': 'switch.turn_on',
'entity_id': 'switch.test_state'
},
'unlock': {
'service': 'switch.turn_off',
'entity_id': 'switch.test_state'
}
}
})
self.hass.start()
self.hass.block_till_done()
self.hass.states.set('switch.test_state', STATE_ON)
self.hass.block_till_done()
state = self.hass.states.get('lock.test_template_lock')
assert state.state == lock.STATE_LOCKED
self.hass.states.set('switch.test_state', STATE_OFF)
self.hass.block_till_done()
state = self.hass.states.get('lock.test_template_lock')
assert state.state == lock.STATE_UNLOCKED
def test_template_state_boolean_on(self):
"""Test the setting of the state with boolean on."""
with assert_setup_component(1, 'lock'):
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'value_template':
"{{ 1 == 1 }}",
'lock': {
'service': 'switch.turn_on',
'entity_id': 'switch.test_state'
},
'unlock': {
'service': 'switch.turn_off',
'entity_id': 'switch.test_state'
}
}
})
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get('lock.template_lock')
assert state.state == lock.STATE_LOCKED
def test_template_state_boolean_off(self):
"""Test the setting of the state with off."""
with assert_setup_component(1, 'lock'):
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'value_template':
"{{ 1 == 2 }}",
'lock': {
'service': 'switch.turn_on',
'entity_id': 'switch.test_state'
},
'unlock': {
'service': 'switch.turn_off',
'entity_id': 'switch.test_state'
}
}
})
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get('lock.template_lock')
assert state.state == lock.STATE_UNLOCKED
def test_template_syntax_error(self):
"""Test templating syntax error."""
with assert_setup_component(0, 'lock'):
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'value_template':
"{% if rubbish %}",
'lock': {
'service': 'switch.turn_on',
'entity_id': 'switch.test_state'
},
'unlock': {
'service': 'switch.turn_off',
'entity_id': 'switch.test_state'
}
}
})
self.hass.start()
self.hass.block_till_done()
assert self.hass.states.all() == []
def test_invalid_name_does_not_create(self):
"""Test invalid name."""
with assert_setup_component(0, 'lock'):
assert setup.setup_component(self.hass, 'lock', {
'switch': {
'platform': 'lock',
'name': '{{%}',
'value_template':
"{{ rubbish }",
'lock': {
'service': 'switch.turn_on',
'entity_id': 'switch.test_state'
},
'unlock': {
'service': 'switch.turn_off',
'entity_id': 'switch.test_state'
}
}
})
self.hass.start()
self.hass.block_till_done()
assert self.hass.states.all() == []
def test_invalid_lock_does_not_create(self):
"""Test invalid lock."""
with assert_setup_component(0, 'lock'):
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'value_template': "Invalid"
}
})
self.hass.start()
self.hass.block_till_done()
assert self.hass.states.all() == []
def test_missing_template_does_not_create(self):
"""Test missing template."""
with assert_setup_component(0, 'lock'):
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'not_value_template':
"{{ states.switch.test_state.state }}",
'lock': {
'service': 'switch.turn_on',
'entity_id': 'switch.test_state'
},
'unlock': {
'service': 'switch.turn_off',
'entity_id': 'switch.test_state'
}
}
})
self.hass.start()
self.hass.block_till_done()
assert self.hass.states.all() == []
def test_no_template_match_all(self, caplog):
"""Test that we do not allow locks that match on all."""
with assert_setup_component(1, 'lock'):
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'value_template': '{{ 1 + 1 }}',
'lock': {
'service': 'switch.turn_on',
'entity_id': 'switch.test_state'
},
'unlock': {
'service': 'switch.turn_off',
'entity_id': 'switch.test_state'
}
}
})
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get('lock.template_lock')
assert state.state == lock.STATE_UNLOCKED
assert ('Template lock Template Lock has no entity ids configured '
'to track nor were we able to extract the entities to track '
'from the value_template template. This entity will only '
'be able to be updated manually.') in caplog.text
self.hass.states.set('lock.template_lock', lock.STATE_LOCKED)
self.hass.block_till_done()
state = self.hass.states.get('lock.template_lock')
assert state.state == lock.STATE_LOCKED
def test_lock_action(self):
"""Test lock action."""
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'value_template':
"{{ states.switch.test_state.state }}",
'lock': {
'service': 'test.automation'
},
'unlock': {
'service': 'switch.turn_off',
'entity_id': 'switch.test_state'
}
}
})
self.hass.start()
self.hass.block_till_done()
self.hass.states.set('switch.test_state', STATE_OFF)
self.hass.block_till_done()
state = self.hass.states.get('lock.template_lock')
assert state.state == lock.STATE_UNLOCKED
self.hass.services.call(lock.DOMAIN, lock.SERVICE_LOCK, {
lock.ATTR_ENTITY_ID: 'lock.template_lock'
})
self.hass.block_till_done()
assert len(self.calls) == 1
def test_unlock_action(self):
"""Test unlock action."""
assert setup.setup_component(self.hass, 'lock', {
'lock': {
'platform': 'template',
'value_template':
"{{ states.switch.test_state.state }}",
'lock': {
'service': 'switch.turn_on',
'entity_id': 'switch.test_state'
},
'unlock': {
'service': 'test.automation'
}
}
})
self.hass.start()
self.hass.block_till_done()
self.hass.states.set('switch.test_state', STATE_ON)
self.hass.block_till_done()
state = self.hass.states.get('lock.template_lock')
assert state.state == lock.STATE_LOCKED
self.hass.services.call(lock.DOMAIN, lock.SERVICE_UNLOCK, {
lock.ATTR_ENTITY_ID: 'lock.template_lock'
})
self.hass.block_till_done()
assert len(self.calls) == 1