"""The tests for the MQTT event platform.""" import copy import json from unittest.mock import patch from freezegun.api import FrozenDateTimeFactory import pytest from homeassistant.components import event, mqtt from homeassistant.components.mqtt.event import MQTT_EVENT_ATTRIBUTES_BLOCKED from homeassistant.const import STATE_UNKNOWN from homeassistant.core import HomeAssistant from homeassistant.helpers import device_registry as dr from .test_common import ( help_custom_config, help_test_availability_when_connection_lost, help_test_availability_without_topic, help_test_custom_availability_payload, help_test_default_availability_list_payload, help_test_default_availability_list_payload_all, help_test_default_availability_list_payload_any, help_test_default_availability_list_single, help_test_default_availability_payload, help_test_discovery_broken, help_test_discovery_removal, help_test_discovery_update_attr, help_test_discovery_update_availability, help_test_entity_category, help_test_entity_debug_info, help_test_entity_debug_info_message, help_test_entity_debug_info_remove, help_test_entity_debug_info_update_entity_id, help_test_entity_device_info_remove, help_test_entity_device_info_update, help_test_entity_device_info_with_connection, help_test_entity_device_info_with_identifier, help_test_entity_disabled_by_default, help_test_entity_id_update_discovery_update, help_test_entity_id_update_subscriptions, help_test_entity_name, help_test_reloadable, help_test_setting_attribute_via_mqtt_json_message, help_test_setting_attribute_with_template, help_test_setting_blocked_attribute_via_mqtt_json_message, help_test_skipped_async_ha_write_state, help_test_unique_id, help_test_unload_config_entry_with_platform, help_test_update_with_json_attrs_bad_json, help_test_update_with_json_attrs_not_dict, ) from tests.common import MockConfigEntry, async_fire_mqtt_message from tests.typing import MqttMockHAClientGenerator, MqttMockPahoClient DEFAULT_CONFIG = { mqtt.DOMAIN: { event.DOMAIN: { "name": "test", "state_topic": "test-topic", "event_types": ["press"], } } } @pytest.mark.freeze_time("2023-08-01 00:00:00+00:00") @pytest.mark.parametrize("hass_config", [DEFAULT_CONFIG]) async def test_setting_event_value_via_mqtt_message( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test the an MQTT event with attributes.""" await mqtt_mock_entry() async_fire_mqtt_message( hass, "test-topic", '{"event_type": "press", "duration": "short" }' ) state = hass.states.get("event.test") assert state.state == "2023-08-01T00:00:00.000+00:00" assert state.attributes.get("duration") == "short" @pytest.mark.freeze_time("2023-08-01 00:00:00+00:00") @pytest.mark.parametrize("hass_config", [DEFAULT_CONFIG]) async def test_multiple_events_are_all_updating_the_state( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test all events are respected and trigger a state write.""" await mqtt_mock_entry() with patch( "homeassistant.components.mqtt.mixins.MqttEntity.async_write_ha_state" ) as mock_async_ha_write_state: async_fire_mqtt_message( hass, "test-topic", '{"event_type": "press", "duration": "short" }' ) assert len(mock_async_ha_write_state.mock_calls) == 1 async_fire_mqtt_message( hass, "test-topic", '{"event_type": "press", "duration": "short" }' ) assert len(mock_async_ha_write_state.mock_calls) == 2 @pytest.mark.parametrize("hass_config", [DEFAULT_CONFIG]) async def test_handling_retained_event_payloads( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test if event messages with a retained flag are ignored.""" await mqtt_mock_entry() with patch( "homeassistant.components.mqtt.mixins.MqttEntity.async_write_ha_state" ) as mock_async_ha_write_state: async_fire_mqtt_message( hass, "test-topic", '{"event_type": "press", "duration": "short" }', retain=True, ) assert len(mock_async_ha_write_state.mock_calls) == 0 async_fire_mqtt_message( hass, "test-topic", '{"event_type": "press", "duration": "short" }', retain=False, ) assert len(mock_async_ha_write_state.mock_calls) == 1 async_fire_mqtt_message( hass, "test-topic", '{"event_type": "press", "duration": "short" }', retain=True, ) assert len(mock_async_ha_write_state.mock_calls) == 1 async_fire_mqtt_message( hass, "test-topic", '{"event_type": "press", "duration": "short" }', retain=False, ) assert len(mock_async_ha_write_state.mock_calls) == 2 @pytest.mark.freeze_time("2023-08-01 00:00:00+00:00") @pytest.mark.parametrize("hass_config", [DEFAULT_CONFIG]) @pytest.mark.parametrize( ("message", "log"), [ ( '{"event_type": "press", "duration": "short" ', "No valid JSON event payload detected", ), ('{"event_type": "invalid", "duration": "short" }', "Invalid event type"), ('{"event_type": 2, "duration": "short" }', "Invalid event type"), ('{"event_type": null, "duration": "short" }', "Invalid event type"), ( '{"event": "press", "duration": "short" }', "`event_type` missing in JSON event payload", ), ], ) async def test_setting_event_value_with_invalid_payload( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, message: str, log: str, ) -> None: """Test the an MQTT event with attributes.""" await mqtt_mock_entry() async_fire_mqtt_message(hass, "test-topic", message) state = hass.states.get("event.test") assert state is not None assert state.state == STATE_UNKNOWN assert log in caplog.text @pytest.mark.freeze_time("2023-08-01 00:00:00+00:00") @pytest.mark.parametrize( "hass_config", [ { mqtt.DOMAIN: { event.DOMAIN: { "name": "test", "state_topic": "test-topic", "event_types": ["press"], "value_template": '{"event_type": "press", "val": "{{ value_json.val | is_defined }}", "par": "{{ value_json.par }}"}', } } } ], ) async def test_setting_event_value_via_mqtt_json_message_and_default_current_state( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, freezer: FrozenDateTimeFactory, ) -> None: """Test processing an event via MQTT with fall back to current state.""" await mqtt_mock_entry() async_fire_mqtt_message( hass, "test-topic", '{ "val": "valcontent", "par": "parcontent" }' ) state = hass.states.get("event.test") assert state.state == "2023-08-01T00:00:00.000+00:00" assert state.attributes.get("val") == "valcontent" assert state.attributes.get("par") == "parcontent" freezer.move_to("2023-08-01 00:00:10+00:00") async_fire_mqtt_message(hass, "test-topic", '{ "par": "invalidcontent" }') state = hass.states.get("event.test") assert state.state == "2023-08-01T00:00:00.000+00:00" assert state.attributes.get("val") == "valcontent" assert state.attributes.get("par") == "parcontent" @pytest.mark.parametrize("hass_config", [DEFAULT_CONFIG]) async def test_availability_when_connection_lost( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test availability after MQTT disconnection.""" await help_test_availability_when_connection_lost( hass, mqtt_mock_entry, event.DOMAIN ) @pytest.mark.parametrize("hass_config", [DEFAULT_CONFIG]) async def test_availability_without_topic( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test availability without defined availability topic.""" await help_test_availability_without_topic( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_default_availability_payload( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test availability by default payload with defined topic.""" await help_test_default_availability_payload( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_default_availability_list_payload( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test availability by default payload with defined topic.""" await help_test_default_availability_list_payload( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_default_availability_list_payload_all( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test availability by default payload with defined topic.""" await help_test_default_availability_list_payload_all( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_default_availability_list_payload_any( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test availability by default payload with defined topic.""" await help_test_default_availability_list_payload_any( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_default_availability_list_single( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test availability list and availability_topic are mutually exclusive.""" await help_test_default_availability_list_single( hass, mqtt_mock_entry, caplog, event.DOMAIN, DEFAULT_CONFIG ) async def test_custom_availability_payload( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test availability by custom payload with defined topic.""" await help_test_custom_availability_payload( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_discovery_update_availability( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test availability discovery update.""" await help_test_discovery_update_availability( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) @pytest.mark.parametrize( "hass_config", [ { mqtt.DOMAIN: { event.DOMAIN: { "name": "test", "state_topic": "test-topic", "event_types": ["press"], "device_class": "foobarnotreal", } } } ], ) async def test_invalid_device_class( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test device_class option with invalid value.""" assert await mqtt_mock_entry() assert "expected EventDeviceClass or one of" in caplog.text async def test_setting_attribute_via_mqtt_json_message( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test the setting of attribute via MQTT with JSON payload.""" await help_test_setting_attribute_via_mqtt_json_message( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_setting_blocked_attribute_via_mqtt_json_message( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test the setting of attribute via MQTT with JSON payload.""" await help_test_setting_blocked_attribute_via_mqtt_json_message( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG, MQTT_EVENT_ATTRIBUTES_BLOCKED, ) async def test_setting_attribute_with_template( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test the setting of attribute via MQTT with JSON payload.""" await help_test_setting_attribute_with_template( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_update_with_json_attrs_not_dict( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test attributes get extracted from a JSON result.""" await help_test_update_with_json_attrs_not_dict( hass, mqtt_mock_entry, caplog, event.DOMAIN, DEFAULT_CONFIG, ) async def test_update_with_json_attrs_bad_json( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test attributes get extracted from a JSON result.""" await help_test_update_with_json_attrs_bad_json( hass, mqtt_mock_entry, caplog, event.DOMAIN, DEFAULT_CONFIG, ) async def test_discovery_update_attr( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test update of discovered MQTTAttributes.""" await help_test_discovery_update_attr( hass, mqtt_mock_entry, caplog, event.DOMAIN, DEFAULT_CONFIG, ) @pytest.mark.parametrize( "hass_config", [ { mqtt.DOMAIN: { event.DOMAIN: [ { "name": "Test 1", "state_topic": "test-topic", "event_types": ["press"], "unique_id": "TOTALLY_UNIQUE", }, { "name": "Test 2", "state_topic": "test-topic", "event_types": ["press"], "unique_id": "TOTALLY_UNIQUE", }, ] } } ], ) async def test_unique_id( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test unique id option only creates one event per unique_id.""" await help_test_unique_id(hass, mqtt_mock_entry, event.DOMAIN) async def test_discovery_removal_event( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test removal of discovered event.""" data = '{ "name": "test", "state_topic": "test_topic", "event_types": ["press"] }' await help_test_discovery_removal(hass, mqtt_mock_entry, caplog, event.DOMAIN, data) async def test_discovery_update_event_template( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test update of discovered mqtt event template.""" await mqtt_mock_entry() config = {"name": "test", "state_topic": "test_topic", "event_types": ["press"]} config1 = copy.deepcopy(config) config2 = copy.deepcopy(config) config1["name"] = "Beer" config2["name"] = "Milk" config1["state_topic"] = "event/state1" config2["state_topic"] = "event/state1" config1["value_template"] = ( '{"event_type": "press", "val": "{{ value_json.val | int }}"}' ) config2["value_template"] = ( '{"event_type": "press", "val": "{{ value_json.val | int * 2 }}"}' ) async_fire_mqtt_message(hass, "homeassistant/event/bla/config", json.dumps(config1)) await hass.async_block_till_done() async_fire_mqtt_message(hass, "event/state1", '{"val":100}') await hass.async_block_till_done() state = hass.states.get("event.beer") assert state is not None assert state.attributes.get("val") == "100" async_fire_mqtt_message(hass, "homeassistant/event/bla/config", json.dumps(config2)) await hass.async_block_till_done() async_fire_mqtt_message(hass, "event/state1", '{"val":100}') await hass.async_block_till_done() state = hass.states.get("event.beer") assert state is not None assert state.attributes.get("val") == "200" @pytest.mark.no_fail_on_log_exception async def test_discovery_broken( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test handling of bad discovery message.""" data1 = '{ "name": "Beer", "state_topic": "test_topic#", "event_types": ["press"] }' data2 = '{ "name": "Milk", "state_topic": "test_topic", "event_types": ["press"] }' await help_test_discovery_broken( hass, mqtt_mock_entry, caplog, event.DOMAIN, data1, data2 ) async def test_entity_device_info_with_connection( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test MQTT event device registry integration.""" await help_test_entity_device_info_with_connection( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_device_info_with_identifier( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test MQTT event device registry integration.""" await help_test_entity_device_info_with_identifier( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_device_info_update( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test device registry update.""" await help_test_entity_device_info_update( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_device_info_remove( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test device registry remove.""" await help_test_entity_device_info_remove( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_id_update_subscriptions( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test MQTT subscriptions are managed when entity_id is updated.""" await help_test_entity_id_update_subscriptions( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_id_update_discovery_update( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test MQTT discovery update when entity_id is updated.""" await help_test_entity_id_update_discovery_update( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_device_info_with_hub( hass: HomeAssistant, device_registry: dr.DeviceRegistry, mqtt_mock_entry: MqttMockHAClientGenerator, ) -> None: """Test MQTT event device registry integration.""" await mqtt_mock_entry() other_config_entry = MockConfigEntry() other_config_entry.add_to_hass(hass) hub = device_registry.async_get_or_create( config_entry_id=other_config_entry.entry_id, connections=set(), identifiers={("mqtt", "hub-id")}, manufacturer="manufacturer", model="hub", ) data = json.dumps( { "name": "Test 1", "state_topic": "test-topic", "event_types": ["press"], "device": {"identifiers": ["helloworld"], "via_device": "hub-id"}, "unique_id": "veryunique", } ) async_fire_mqtt_message(hass, "homeassistant/event/bla/config", data) await hass.async_block_till_done() device = device_registry.async_get_device(identifiers={("mqtt", "helloworld")}) assert device is not None assert device.via_device_id == hub.id async def test_entity_debug_info( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test MQTT event debug info.""" await help_test_entity_debug_info( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_debug_info_message( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test MQTT debug info.""" await help_test_entity_debug_info_message( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG, None ) async def test_entity_debug_info_remove( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test MQTT event debug info.""" await help_test_entity_debug_info_remove( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_debug_info_update_entity_id( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test MQTT event debug info.""" await help_test_entity_debug_info_update_entity_id( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) async def test_entity_disabled_by_default( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test entity disabled by default.""" await help_test_entity_disabled_by_default( hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG ) @pytest.mark.no_fail_on_log_exception async def test_entity_category( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test entity category.""" await help_test_entity_category(hass, mqtt_mock_entry, event.DOMAIN, DEFAULT_CONFIG) @pytest.mark.parametrize( "hass_config", [ { mqtt.DOMAIN: { event.DOMAIN: { "name": "test", "state_topic": "test-topic", "event_types": ["press"], "value_template": '{ "event_type": "press", "val": \ {% if state_attr(entity_id, "friendly_name") == "test" %} \ "{{ value | int + 1 }}" \ {% else %} \ "{{ value }}" \ {% endif %}}', } } } ], ) async def test_value_template_with_entity_id( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test the access to attributes in value_template via the entity_id.""" await mqtt_mock_entry() async_fire_mqtt_message(hass, "test-topic", "100") state = hass.states.get("event.test") assert state.attributes.get("val") == "101" async def test_reloadable( hass: HomeAssistant, mqtt_client_mock: MqttMockPahoClient, ) -> None: """Test reloading the MQTT platform.""" domain = event.DOMAIN config = DEFAULT_CONFIG await help_test_reloadable(hass, mqtt_client_mock, domain, config) @pytest.mark.parametrize( "hass_config", [DEFAULT_CONFIG, {"mqtt": [DEFAULT_CONFIG["mqtt"]]}], ids=["platform_key", "listed"], ) async def test_setup_manual_entity_from_yaml( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator ) -> None: """Test setup manual configured MQTT entity.""" await mqtt_mock_entry() platform = event.DOMAIN assert hass.states.get(f"{platform}.test") async def test_unload_entry( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, ) -> None: """Test unloading the config entry.""" domain = event.DOMAIN config = DEFAULT_CONFIG await help_test_unload_config_entry_with_platform( hass, mqtt_mock_entry, domain, config ) @pytest.mark.parametrize( ("expected_friendly_name", "device_class"), [("test", None), ("Doorbell", "doorbell"), ("Motion", "motion")], ) async def test_entity_name( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, expected_friendly_name: str | None, device_class: str | None, ) -> None: """Test the entity name setup.""" domain = event.DOMAIN config = DEFAULT_CONFIG await help_test_entity_name( hass, mqtt_mock_entry, domain, config, expected_friendly_name, device_class ) @pytest.mark.parametrize( "hass_config", [ help_custom_config( event.DOMAIN, DEFAULT_CONFIG, ( { "availability_topic": "availability-topic", "json_attributes_topic": "json-attributes-topic", }, ), ) ], ) @pytest.mark.parametrize( ("topic", "payload1", "payload2"), [ ("availability-topic", "online", "offline"), ("json-attributes-topic", '{"attr1": "val1"}', '{"attr1": "val2"}'), ], ) async def test_skipped_async_ha_write_state( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, topic: str, payload1: str, payload2: str, ) -> None: """Test a write state command is only called when there is change.""" await mqtt_mock_entry() await help_test_skipped_async_ha_write_state(hass, topic, payload1, payload2) @pytest.mark.freeze_time("2023-09-01 00:00:00+00:00") @pytest.mark.parametrize("hass_config", [DEFAULT_CONFIG]) async def test_skipped_async_ha_write_state2( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, freezer: FrozenDateTimeFactory, ) -> None: """Test a write state command is only called when there is a valid event.""" await mqtt_mock_entry() topic = "test-topic" payload1 = '{"event_type": "press"}' payload2 = '{"event_type": "unknown"}' with patch( "homeassistant.components.mqtt.mixins.MqttEntity.async_write_ha_state" ) as mock_async_ha_write_state: assert len(mock_async_ha_write_state.mock_calls) == 0 async_fire_mqtt_message(hass, topic, payload1) await hass.async_block_till_done() assert len(mock_async_ha_write_state.mock_calls) == 1 freezer.move_to("2023-09-01 00:00:10+00:00") async_fire_mqtt_message(hass, topic, payload1) await hass.async_block_till_done() assert len(mock_async_ha_write_state.mock_calls) == 2 freezer.move_to("2023-09-01 00:00:20+00:00") async_fire_mqtt_message(hass, topic, payload2) await hass.async_block_till_done() assert len(mock_async_ha_write_state.mock_calls) == 2 freezer.move_to("2023-09-01 00:00:30+00:00") async_fire_mqtt_message(hass, topic, payload2) await hass.async_block_till_done() assert len(mock_async_ha_write_state.mock_calls) == 2 @pytest.mark.parametrize( "hass_config", [ help_custom_config( event.DOMAIN, DEFAULT_CONFIG, ( { "value_template": "{{ value_json.some_var * 1 }}", }, ), ) ], ) async def test_value_template_fails( hass: HomeAssistant, mqtt_mock_entry: MqttMockHAClientGenerator, caplog: pytest.LogCaptureFixture, ) -> None: """Test the rendering of MQTT value template fails.""" await mqtt_mock_entry() async_fire_mqtt_message(hass, "test-topic", '{"some_var": null }') assert ( "TypeError: unsupported operand type(s) for *: 'NoneType' and 'int' rendering template" in caplog.text )