diff --git a/homeassistant/components/mqtt/light/__init__.py b/homeassistant/components/mqtt/light/__init__.py
index 93f32cd27918e8a2ae53acefb954c44f6da118ff..77a1b1d3c100a91f214fee711594f696ee30d0a4 100644
--- a/homeassistant/components/mqtt/light/__init__.py
+++ b/homeassistant/components/mqtt/light/__init__.py
@@ -10,7 +10,8 @@ import voluptuous as vol
from homeassistant.components import light
from homeassistant.components.mqtt import ATTR_DISCOVERY_HASH
-from homeassistant.components.mqtt.discovery import MQTT_DISCOVERY_NEW
+from homeassistant.components.mqtt.discovery import (
+ MQTT_DISCOVERY_NEW, clear_discovery_hash)
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.typing import HomeAssistantType, ConfigType
@@ -44,23 +45,29 @@ PLATFORM_SCHEMA = vol.All(vol.Schema({
async def async_setup_platform(hass: HomeAssistantType, config: ConfigType,
async_add_entities, discovery_info=None):
"""Set up MQTT light through configuration.yaml."""
- await _async_setup_entity(hass, config, async_add_entities)
+ await _async_setup_entity(config, async_add_entities)
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up MQTT light dynamically through MQTT discovery."""
async def async_discover(discovery_payload):
"""Discover and add a MQTT light."""
- config = PLATFORM_SCHEMA(discovery_payload)
- await _async_setup_entity(hass, config, async_add_entities,
- discovery_payload[ATTR_DISCOVERY_HASH])
+ try:
+ discovery_hash = discovery_payload[ATTR_DISCOVERY_HASH]
+ config = PLATFORM_SCHEMA(discovery_payload)
+ await _async_setup_entity(config, async_add_entities,
+ discovery_hash)
+ except Exception:
+ if discovery_hash:
+ clear_discovery_hash(hass, discovery_hash)
+ raise
async_dispatcher_connect(
hass, MQTT_DISCOVERY_NEW.format(light.DOMAIN, 'mqtt'),
async_discover)
-async def _async_setup_entity(hass, config, async_add_entities,
+async def _async_setup_entity(config, async_add_entities,
discovery_hash=None):
"""Set up a MQTT Light."""
setup_entity = {
@@ -68,5 +75,5 @@ async def _async_setup_entity(hass, config, async_add_entities,
'json': schema_json.async_setup_entity_json,
'template': schema_template.async_setup_entity_template,
}
- await setup_entity[config['schema']](
- hass, config, async_add_entities, discovery_hash)
+ await setup_entity[config[CONF_SCHEMA]](
+ config, async_add_entities, discovery_hash)
diff --git a/homeassistant/components/mqtt/light/schema_basic.py b/homeassistant/components/mqtt/light/schema_basic.py
index 3be8de5c722f49a051a9e253a40c7ea8a5dc7e8d..d9f676c8b389b0b197dbb38f9fa2afc157d23842 100644
--- a/homeassistant/components/mqtt/light/schema_basic.py
+++ b/homeassistant/components/mqtt/light/schema_basic.py
@@ -112,7 +112,7 @@ PLATFORM_SCHEMA_BASIC = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend({
mqtt.MQTT_JSON_ATTRS_SCHEMA.schema)
-async def async_setup_entity_basic(hass, config, async_add_entities,
+async def async_setup_entity_basic(config, async_add_entities,
discovery_hash=None):
"""Set up a MQTT Light."""
config.setdefault(
diff --git a/homeassistant/components/mqtt/light/schema_json.py b/homeassistant/components/mqtt/light/schema_json.py
index 1c32b0c57831827048b8dbacc63ac057b4af9b30..fcf31f097cce13f29b59e77e93c44f4242c7999b 100644
--- a/homeassistant/components/mqtt/light/schema_json.py
+++ b/homeassistant/components/mqtt/light/schema_json.py
@@ -25,7 +25,7 @@ from homeassistant.const import (
from homeassistant.core import callback
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.restore_state import RestoreEntity
-from homeassistant.helpers.typing import ConfigType, HomeAssistantType
+from homeassistant.helpers.typing import ConfigType
import homeassistant.util.color as color_util
from .schema_basic import CONF_BRIGHTNESS_SCALE
@@ -85,7 +85,7 @@ PLATFORM_SCHEMA_JSON = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend({
mqtt.MQTT_JSON_ATTRS_SCHEMA.schema)
-async def async_setup_entity_json(hass: HomeAssistantType, config: ConfigType,
+async def async_setup_entity_json(config: ConfigType,
async_add_entities, discovery_hash):
"""Set up a MQTT JSON Light."""
async_add_entities([MqttLightJson(config, discovery_hash)])
diff --git a/homeassistant/components/mqtt/light/schema_template.py b/homeassistant/components/mqtt/light/schema_template.py
index 7020550710bcc578863aea7503f4a7afb26c7deb..09aaa359058e2fd7d0b984bf27554809d46e9d2c 100644
--- a/homeassistant/components/mqtt/light/schema_template.py
+++ b/homeassistant/components/mqtt/light/schema_template.py
@@ -71,7 +71,7 @@ PLATFORM_SCHEMA_TEMPLATE = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend({
mqtt.MQTT_JSON_ATTRS_SCHEMA.schema)
-async def async_setup_entity_template(hass, config, async_add_entities,
+async def async_setup_entity_template(config, async_add_entities,
discovery_hash):
"""Set up a MQTT Template light."""
async_add_entities([MqttTemplate(config, discovery_hash)])
diff --git a/tests/components/mqtt/test_light.py b/tests/components/mqtt/test_light.py
index a424263af8c3e217adb5d69e3988ba76f9c738e8..1b1ba3862e9aa12747ab01b46612b047b9858119 100644
--- a/tests/components/mqtt/test_light.py
+++ b/tests/components/mqtt/test_light.py
@@ -1239,7 +1239,7 @@ async def test_discovery_deprecated(hass, mqtt_mock, caplog):
async def test_discovery_update_light(hass, mqtt_mock, caplog):
- """Test removal of discovered light."""
+ """Test update of discovered light."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)
await async_start(hass, 'homeassistant', {}, entry)
@@ -1274,6 +1274,39 @@ async def test_discovery_update_light(hass, mqtt_mock, caplog):
assert state is None
+async def test_discovery_broken(hass, mqtt_mock, caplog):
+ """Test handling of bad discovery message."""
+ entry = MockConfigEntry(domain=mqtt.DOMAIN)
+ await async_start(hass, 'homeassistant', {}, entry)
+
+ data1 = (
+ '{ "name": "Beer" }'
+ )
+ data2 = (
+ '{ "name": "Milk",'
+ ' "status_topic": "test_topic",'
+ ' "command_topic": "test_topic" }'
+ )
+
+ async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
+ data1)
+ await hass.async_block_till_done()
+
+ state = hass.states.get('light.beer')
+ assert state is None
+
+ async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
+ data2)
+ await hass.async_block_till_done()
+ await hass.async_block_till_done()
+
+ state = hass.states.get('light.milk')
+ assert state is not None
+ assert state.name == 'Milk'
+ state = hass.states.get('light.beer')
+ assert state is None
+
+
async def test_entity_device_info_with_identifier(hass, mqtt_mock):
"""Test MQTT light device registry integration."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)
diff --git a/tests/components/mqtt/test_light_json.py b/tests/components/mqtt/test_light_json.py
index 7621da724c999e5c1a32305e06f28557dea632fb..c8d7c1d3e54980ce82e2476b05bd7e1466256dff 100644
--- a/tests/components/mqtt/test_light_json.py
+++ b/tests/components/mqtt/test_light_json.py
@@ -707,7 +707,7 @@ async def test_discovery_deprecated(hass, mqtt_mock, caplog):
async def test_discovery_update_light(hass, mqtt_mock, caplog):
- """Test removal of discovered light."""
+ """Test update of discovered light."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)
await async_start(hass, 'homeassistant', {}, entry)
@@ -744,6 +744,40 @@ async def test_discovery_update_light(hass, mqtt_mock, caplog):
assert state is None
+async def test_discovery_broken(hass, mqtt_mock, caplog):
+ """Test handling of bad discovery message."""
+ entry = MockConfigEntry(domain=mqtt.DOMAIN)
+ await async_start(hass, 'homeassistant', {}, entry)
+
+ data1 = (
+ '{ "name": "Beer" }'
+ )
+ data2 = (
+ '{ "name": "Milk",'
+ ' "schema": "json",'
+ ' "status_topic": "test_topic",'
+ ' "command_topic": "test_topic" }'
+ )
+
+ async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
+ data1)
+ await hass.async_block_till_done()
+
+ state = hass.states.get('light.beer')
+ assert state is None
+
+ async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
+ data2)
+ await hass.async_block_till_done()
+ await hass.async_block_till_done()
+
+ state = hass.states.get('light.milk')
+ assert state is not None
+ assert state.name == 'Milk'
+ state = hass.states.get('light.beer')
+ assert state is None
+
+
async def test_entity_device_info_with_identifier(hass, mqtt_mock):
"""Test MQTT light device registry integration."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)
diff --git a/tests/components/mqtt/test_light_template.py b/tests/components/mqtt/test_light_template.py
index 509f2ee5d366aaab2ae25eb375e99a5940cbae96..13fe086684ce49e4c12ca176a3c023ab3f1573b3 100644
--- a/tests/components/mqtt/test_light_template.py
+++ b/tests/components/mqtt/test_light_template.py
@@ -627,7 +627,7 @@ async def test_unique_id(hass):
assert len(hass.states.async_entity_ids(light.DOMAIN)) == 1
-async def test_discovery(hass, mqtt_mock, caplog):
+async def test_discovery_removal(hass, mqtt_mock, caplog):
"""Test removal of discovered mqtt_json lights."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)
await async_start(hass, 'homeassistant', {'mqtt': {}}, entry)
@@ -644,6 +644,12 @@ async def test_discovery(hass, mqtt_mock, caplog):
state = hass.states.get('light.beer')
assert state is not None
assert state.name == 'Beer'
+ async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
+ '')
+ await hass.async_block_till_done()
+ await hass.async_block_till_done()
+ state = hass.states.get('light.beer')
+ assert state is None
async def test_discovery_deprecated(hass, mqtt_mock, caplog):
@@ -666,7 +672,7 @@ async def test_discovery_deprecated(hass, mqtt_mock, caplog):
async def test_discovery_update_light(hass, mqtt_mock, caplog):
- """Test removal of discovered light."""
+ """Test update of discovered light."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)
await async_start(hass, 'homeassistant', {}, entry)
@@ -707,6 +713,42 @@ async def test_discovery_update_light(hass, mqtt_mock, caplog):
assert state is None
+async def test_discovery_broken(hass, mqtt_mock, caplog):
+ """Test handling of bad discovery message."""
+ entry = MockConfigEntry(domain=mqtt.DOMAIN)
+ await async_start(hass, 'homeassistant', {}, entry)
+
+ data1 = (
+ '{ "name": "Beer" }'
+ )
+ data2 = (
+ '{ "name": "Milk",'
+ ' "schema": "template",'
+ ' "status_topic": "test_topic",'
+ ' "command_topic": "test_topic",'
+ ' "command_on_template": "on",'
+ ' "command_off_template": "off"}'
+ )
+
+ async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
+ data1)
+ await hass.async_block_till_done()
+
+ state = hass.states.get('light.beer')
+ assert state is None
+
+ async_fire_mqtt_message(hass, 'homeassistant/light/bla/config',
+ data2)
+ await hass.async_block_till_done()
+ await hass.async_block_till_done()
+
+ state = hass.states.get('light.milk')
+ assert state is not None
+ assert state.name == 'Milk'
+ state = hass.states.get('light.beer')
+ assert state is None
+
+
async def test_entity_device_info_with_identifier(hass, mqtt_mock):
"""Test MQTT light device registry integration."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)