"""The test for the Template sensor platform."""
from asyncio import Event
from unittest.mock import patch
from homeassistant.bootstrap import async_from_config_dict
from homeassistant.const import (
ATTR_ENTITY_PICTURE,
ATTR_ICON,
EVENT_COMPONENT_LOADED,
EVENT_HOMEASSISTANT_START,
STATE_OFF,
STATE_ON,
STATE_UNAVAILABLE,
)
from homeassistant.core import CoreState, callback
from homeassistant.helpers.template import Template
from homeassistant.setup import ATTR_COMPONENT, async_setup_component, setup_component
import homeassistant.util.dt as dt_util
from tests.common import assert_setup_component, get_test_home_assistant
class TestTemplateSensor:
"""Test the Template sensor."""
hass = 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()
def teardown_method(self, method):
"""Stop everything that was started."""
self.hass.stop()
def test_template(self):
"""Test template."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "It {{ states.sensor.test_state.state }}."
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.state == "It ."
self.hass.states.set("sensor.test_state", "Works")
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.state == "It Works."
def test_icon_template(self):
"""Test icon template."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "{{ states.sensor.test_state.state }}",
"icon_template": "{% if states.sensor.test_state.state == "
"'Works' %}"
"mdi:check"
"{% endif %}",
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes.get("icon") == ""
self.hass.states.set("sensor.test_state", "Works")
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes["icon"] == "mdi:check"
def test_entity_picture_template(self):
"""Test entity_picture template."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "{{ states.sensor.test_state.state }}",
"entity_picture_template": "{% if states.sensor.test_state.state == "
"'Works' %}"
"/local/sensor.png"
"{% endif %}",
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes.get("entity_picture") == ""
self.hass.states.set("sensor.test_state", "Works")
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes["entity_picture"] == "/local/sensor.png"
def test_friendly_name_template(self):
"""Test friendly_name template."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "{{ states.sensor.test_state.state }}",
"friendly_name_template": "It {{ states.sensor.test_state.state }}.",
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes.get("friendly_name") == "It ."
self.hass.states.set("sensor.test_state", "Works")
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes["friendly_name"] == "It Works."
def test_friendly_name_template_with_unknown_state(self):
"""Test friendly_name template with an unknown value_template."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "{{ states.fourohfour.state }}",
"friendly_name_template": "It {{ states.sensor.test_state.state }}.",
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes["friendly_name"] == "It ."
self.hass.states.set("sensor.test_state", "Works")
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes["friendly_name"] == "It Works."
def test_attribute_templates(self):
"""Test attribute_templates template."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "{{ states.sensor.test_state.state }}",
"attribute_templates": {
"test_attribute": "It {{ states.sensor.test_state.state }}."
},
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes.get("test_attribute") == "It ."
self.hass.states.set("sensor.test_state", "Works")
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.attributes["test_attribute"] == "It Works."
def test_template_syntax_error(self):
"""Test templating syntax error."""
with assert_setup_component(0):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "{% if rubbish %}"
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
assert self.hass.states.all() == []
def test_template_attribute_missing(self):
"""Test missing attribute template."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "It {{ states.sensor.test_state"
".attributes.missing }}."
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
state = self.hass.states.get("sensor.test_template_sensor")
assert state.state == STATE_UNAVAILABLE
def test_invalid_name_does_not_create(self):
"""Test invalid name."""
with assert_setup_component(0):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test INVALID sensor": {
"value_template": "{{ states.sensor.test_state.state }}"
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
assert self.hass.states.all() == []
def test_invalid_sensor_does_not_create(self):
"""Test invalid sensor."""
with assert_setup_component(0):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {"test_template_sensor": "invalid"},
}
},
)
self.hass.block_till_done()
self.hass.start()
assert self.hass.states.all() == []
def test_no_sensors_does_not_create(self):
"""Test no sensors."""
with assert_setup_component(0):
assert setup_component(
self.hass, "sensor", {"sensor": {"platform": "template"}}
)
self.hass.block_till_done()
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):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"not_value_template": "{{ states.sensor.test_state.state }}"
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
assert self.hass.states.all() == []
def test_setup_invalid_device_class(self):
"""Test setup with invalid device_class."""
with assert_setup_component(0):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test": {
"value_template": "{{ states.sensor.test_sensor.state }}",
"device_class": "foobarnotreal",
}
},
}
},
)
def test_setup_valid_device_class(self):
"""Test setup with valid device_class."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test1": {
"value_template": "{{ states.sensor.test_sensor.state }}",
"device_class": "temperature",
},
"test2": {
"value_template": "{{ states.sensor.test_sensor.state }}"
},
},
}
},
)
self.hass.block_till_done()
state = self.hass.states.get("sensor.test1")
assert state.attributes["device_class"] == "temperature"
state = self.hass.states.get("sensor.test2")
assert "device_class" not in state.attributes
def test_available_template_with_entities(self):
"""Test availability tempalates with values from other entities."""
with assert_setup_component(1):
assert setup_component(
self.hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "{{ states.sensor.test_state.state }}",
"availability_template": "{{ is_state('availability_boolean.state', 'on') }}",
}
},
}
},
)
self.hass.block_till_done()
self.hass.start()
self.hass.block_till_done()
# When template returns true..
self.hass.states.set("availability_boolean.state", STATE_ON)
self.hass.block_till_done()
# Device State should not be unavailable
assert (
self.hass.states.get("sensor.test_template_sensor").state
!= STATE_UNAVAILABLE
)
# When Availability template returns false
self.hass.states.set("availability_boolean.state", STATE_OFF)
self.hass.block_till_done()
# device state should be unavailable
assert (
self.hass.states.get("sensor.test_template_sensor").state
== STATE_UNAVAILABLE
)
async def test_creating_sensor_loads_group(hass):
"""Test setting up template sensor loads group component first."""
order = []
after_dep_event = Event()
async def async_setup_group(hass, config):
# Make sure group takes longer to load, so that it won't
# be loaded first by chance
await after_dep_event.wait()
order.append("group")
return True
async def async_setup_template(
hass, config, async_add_entities, discovery_info=None
):
order.append("sensor.template")
return True
async def set_after_dep_event(event):
if event.data[ATTR_COMPONENT] == "sensor":
after_dep_event.set()
hass.bus.async_listen(EVENT_COMPONENT_LOADED, set_after_dep_event)
with patch(
"homeassistant.components.group.async_setup",
new=async_setup_group,
), patch(
"homeassistant.components.template.sensor.async_setup_platform",
new=async_setup_template,
):
await async_from_config_dict(
{"sensor": {"platform": "template", "sensors": {}}, "group": {}}, hass
)
await hass.async_block_till_done()
assert order == ["group", "sensor.template"]
async def test_available_template_with_entities(hass):
"""Test availability tempalates with values from other entities."""
hass.states.async_set("sensor.availability_sensor", STATE_OFF)
with assert_setup_component(1, "sensor"):
assert await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor": {
"value_template": "{{ states.sensor.test_sensor.state }}",
"availability_template": "{{ is_state('sensor.availability_sensor', 'on') }}",
}
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
# When template returns true..
hass.states.async_set("sensor.availability_sensor", STATE_ON)
await hass.async_block_till_done()
# Device State should not be unavailable
assert hass.states.get("sensor.test_template_sensor").state != STATE_UNAVAILABLE
# When Availability template returns false
hass.states.async_set("sensor.availability_sensor", STATE_OFF)
await hass.async_block_till_done()
# device state should be unavailable
assert hass.states.get("sensor.test_template_sensor").state == STATE_UNAVAILABLE
async def test_invalid_attribute_template(hass, caplog):
"""Test that errors are logged if rendering template fails."""
hass.states.async_set("sensor.test_sensor", "startup")
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"invalid_template": {
"value_template": "{{ states.sensor.test_sensor.state }}",
"attribute_templates": {
"test_attribute": "{{ states.sensor.unknown.attributes.picture }}"
},
}
},
}
},
)
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 2
hass.bus.async_fire(EVENT_HOMEASSISTANT_START)
await hass.async_block_till_done()
await hass.helpers.entity_component.async_update_entity("sensor.invalid_template")
assert "TemplateError" in caplog.text
assert "test_attribute" in caplog.text
async def test_invalid_availability_template_keeps_component_available(hass, caplog):
"""Test that an invalid availability keeps the device available."""
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"my_sensor": {
"value_template": "{{ states.sensor.test_state.state }}",
"availability_template": "{{ x - 12 }}",
}
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
assert hass.states.get("sensor.my_sensor").state != STATE_UNAVAILABLE
assert ("UndefinedError: 'x' is undefined") in caplog.text
async def test_no_template_match_all(hass, caplog):
"""Test that we allow static templates."""
hass.states.async_set("sensor.test_sensor", "startup")
hass.state = CoreState.not_running
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"invalid_state": {"value_template": "{{ 1 + 1 }}"},
"invalid_icon": {
"value_template": "{{ states.sensor.test_sensor.state }}",
"icon_template": "{{ 1 + 1 }}",
},
"invalid_entity_picture": {
"value_template": "{{ states.sensor.test_sensor.state }}",
"entity_picture_template": "{{ 1 + 1 }}",
},
"invalid_friendly_name": {
"value_template": "{{ states.sensor.test_sensor.state }}",
"friendly_name_template": "{{ 1 + 1 }}",
},
"invalid_attribute": {
"value_template": "{{ states.sensor.test_sensor.state }}",
"attribute_templates": {"test_attribute": "{{ 1 + 1 }}"},
},
},
}
},
)
await hass.async_block_till_done()
assert hass.states.get("sensor.invalid_state").state == "unknown"
assert hass.states.get("sensor.invalid_icon").state == "unknown"
assert hass.states.get("sensor.invalid_entity_picture").state == "unknown"
assert hass.states.get("sensor.invalid_friendly_name").state == "unknown"
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 6
assert hass.states.get("sensor.invalid_state").state == "unknown"
assert hass.states.get("sensor.invalid_icon").state == "unknown"
assert hass.states.get("sensor.invalid_entity_picture").state == "unknown"
assert hass.states.get("sensor.invalid_friendly_name").state == "unknown"
assert hass.states.get("sensor.invalid_attribute").state == "unknown"
hass.bus.async_fire(EVENT_HOMEASSISTANT_START)
await hass.async_block_till_done()
assert hass.states.get("sensor.invalid_state").state == "2"
assert hass.states.get("sensor.invalid_icon").state == "startup"
assert hass.states.get("sensor.invalid_entity_picture").state == "startup"
assert hass.states.get("sensor.invalid_friendly_name").state == "startup"
assert hass.states.get("sensor.invalid_attribute").state == "startup"
hass.states.async_set("sensor.test_sensor", "hello")
await hass.async_block_till_done()
assert hass.states.get("sensor.invalid_state").state == "2"
# Will now process because we have at least one valid template
assert hass.states.get("sensor.invalid_icon").state == "hello"
assert hass.states.get("sensor.invalid_entity_picture").state == "hello"
assert hass.states.get("sensor.invalid_friendly_name").state == "hello"
assert hass.states.get("sensor.invalid_attribute").state == "hello"
await hass.helpers.entity_component.async_update_entity("sensor.invalid_state")
await hass.helpers.entity_component.async_update_entity("sensor.invalid_icon")
await hass.helpers.entity_component.async_update_entity(
"sensor.invalid_entity_picture"
)
await hass.helpers.entity_component.async_update_entity(
"sensor.invalid_friendly_name"
)
await hass.helpers.entity_component.async_update_entity("sensor.invalid_attribute")
assert hass.states.get("sensor.invalid_state").state == "2"
assert hass.states.get("sensor.invalid_icon").state == "hello"
assert hass.states.get("sensor.invalid_entity_picture").state == "hello"
assert hass.states.get("sensor.invalid_friendly_name").state == "hello"
assert hass.states.get("sensor.invalid_attribute").state == "hello"
async def test_unique_id(hass):
"""Test unique_id option only creates one sensor per id."""
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test_template_sensor_01": {
"unique_id": "not-so-unique-anymore",
"value_template": "{{ true }}",
},
"test_template_sensor_02": {
"unique_id": "not-so-unique-anymore",
"value_template": "{{ false }}",
},
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 1
async def test_sun_renders_once_per_sensor(hass):
"""Test sun change renders the template only once per sensor."""
now = dt_util.utcnow()
hass.states.async_set(
"sun.sun", "above_horizon", {"elevation": 45.3, "next_rising": now}
)
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"solar_angle": {
"friendly_name": "Sun angle",
"unit_of_measurement": "degrees",
"value_template": "{{ state_attr('sun.sun', 'elevation') }}",
},
"sunrise": {
"value_template": "{{ state_attr('sun.sun', 'next_rising') }}"
},
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 3
assert hass.states.get("sensor.solar_angle").state == "45.3"
assert hass.states.get("sensor.sunrise").state == str(now)
async_render_calls = []
@callback
def _record_async_render(self, *args, **kwargs):
"""Catch async_render."""
async_render_calls.append(self.template)
return "mocked"
later = dt_util.utcnow()
with patch.object(Template, "async_render", _record_async_render):
hass.states.async_set("sun.sun", {"elevation": 50, "next_rising": later})
await hass.async_block_till_done()
assert hass.states.get("sensor.solar_angle").state == "mocked"
assert hass.states.get("sensor.sunrise").state == "mocked"
assert len(async_render_calls) == 2
assert set(async_render_calls) == {
"{{ state_attr('sun.sun', 'elevation') }}",
"{{ state_attr('sun.sun', 'next_rising') }}",
}
async def test_self_referencing_sensor_loop(hass, caplog):
"""Test a self referencing sensor does not loop forever."""
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test": {
"value_template": "{{ ((states.sensor.test.state or 0) | int) + 1 }}",
},
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 1
await hass.async_block_till_done()
await hass.async_block_till_done()
assert "Template loop detected" in caplog.text
state = hass.states.get("sensor.test")
assert int(state.state) == 1
await hass.async_block_till_done()
assert int(state.state) == 1
async def test_self_referencing_sensor_with_icon_loop(hass, caplog):
"""Test a self referencing sensor loops forever with a valid self referencing icon."""
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test": {
"value_template": "{{ ((states.sensor.test.state or 0) | int) + 1 }}",
"icon_template": "{% if ((states.sensor.test.state or 0) | int) >= 1 %}mdi:greater{% else %}mdi:less{% endif %}",
},
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 1
await hass.async_block_till_done()
await hass.async_block_till_done()
assert "Template loop detected" in caplog.text
state = hass.states.get("sensor.test")
assert int(state.state) == 2
assert state.attributes[ATTR_ICON] == "mdi:greater"
await hass.async_block_till_done()
assert int(state.state) == 2
async def test_self_referencing_sensor_with_icon_and_picture_entity_loop(hass, caplog):
"""Test a self referencing sensor loop forevers with a valid self referencing icon."""
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test": {
"value_template": "{{ ((states.sensor.test.state or 0) | int) + 1 }}",
"icon_template": "{% if ((states.sensor.test.state or 0) | int) > 3 %}mdi:greater{% else %}mdi:less{% endif %}",
"entity_picture_template": "{% if ((states.sensor.test.state or 0) | int) >= 1 %}bigpic{% else %}smallpic{% endif %}",
},
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 1
await hass.async_block_till_done()
await hass.async_block_till_done()
assert "Template loop detected" in caplog.text
state = hass.states.get("sensor.test")
assert int(state.state) == 3
assert state.attributes[ATTR_ICON] == "mdi:less"
assert state.attributes[ATTR_ENTITY_PICTURE] == "bigpic"
await hass.async_block_till_done()
assert int(state.state) == 3
async def test_self_referencing_entity_picture_loop(hass, caplog):
"""Test a self referencing sensor does not loop forever with a looping self referencing entity picture."""
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"test": {
"value_template": "{{ 1 }}",
"entity_picture_template": "{{ ((states.sensor.test.attributes['entity_picture'] or 0) | int) + 1 }}",
},
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 1
await hass.async_block_till_done()
await hass.async_block_till_done()
assert "Template loop detected" in caplog.text
state = hass.states.get("sensor.test")
assert int(state.state) == 1
assert state.attributes[ATTR_ENTITY_PICTURE] == "1"
await hass.async_block_till_done()
assert int(state.state) == 1
async def test_self_referencing_icon_with_no_loop(hass, caplog):
"""Test a self referencing icon that does not loop."""
hass.states.async_set("sensor.heartworm_high_80", 10)
hass.states.async_set("sensor.heartworm_low_57", 10)
hass.states.async_set("sensor.heartworm_avg_64", 10)
hass.states.async_set("sensor.heartworm_avg_57", 10)
value_template_str = """{% if (states.sensor.heartworm_high_80.state|int >= 10) and (states.sensor.heartworm_low_57.state|int >= 10) %}
extreme
{% elif (states.sensor.heartworm_avg_64.state|int >= 30) %}
high
{% elif (states.sensor.heartworm_avg_64.state|int >= 14) %}
moderate
{% elif (states.sensor.heartworm_avg_64.state|int >= 5) %}
slight
{% elif (states.sensor.heartworm_avg_57.state|int >= 5) %}
marginal
{% elif (states.sensor.heartworm_avg_57.state|int < 5) %}
none
{% endif %}"""
icon_template_str = """{% if is_state('sensor.heartworm_risk',"extreme") %}
mdi:hazard-lights
{% elif is_state('sensor.heartworm_risk',"high") %}
mdi:triangle-outline
{% elif is_state('sensor.heartworm_risk',"moderate") %}
mdi:alert-circle-outline
{% elif is_state('sensor.heartworm_risk',"slight") %}
mdi:exclamation
{% elif is_state('sensor.heartworm_risk',"marginal") %}
mdi:heart
{% elif is_state('sensor.heartworm_risk',"none") %}
mdi:snowflake
{% endif %}"""
await async_setup_component(
hass,
"sensor",
{
"sensor": {
"platform": "template",
"sensors": {
"heartworm_risk": {
"value_template": value_template_str,
"icon_template": icon_template_str,
},
},
}
},
)
await hass.async_block_till_done()
await hass.async_start()
await hass.async_block_till_done()
assert len(hass.states.async_all()) == 5
hass.states.async_set("sensor.heartworm_high_80", 10)
await hass.async_block_till_done()
await hass.async_block_till_done()
assert "Template loop detected" not in caplog.text
state = hass.states.get("sensor.heartworm_risk")
assert state.state == "extreme"
assert state.attributes[ATTR_ICON] == "mdi:hazard-lights"
await hass.async_block_till_done()
assert state.state == "extreme"
assert state.attributes[ATTR_ICON] == "mdi:hazard-lights"
assert "Template loop detected" not in caplog.text