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Cleanup if discovered mqtt binary_sensor can't be added

pull/19744/head
emontnemery 2019-01-03 15:48:36 +01:00 committed by Erik
parent dd75c49796
commit d8370f44cb
2 changed files with 45 additions and 5 deletions
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15
homeassistant/components/binary_sensor/mqtt.py
View File

@ -20,7 +20,8 @@ from homeassistant.components.mqtt import (
CONF_PAYLOAD_AVAILABLE, CONF_PAYLOAD_NOT_AVAILABLE, CONF_QOS,
MqttAttributes, MqttAvailability, MqttDiscoveryUpdate,
MqttEntityDeviceInfo, subscription)
from homeassistant.components.mqtt.discovery import MQTT_DISCOVERY_NEW
from homeassistant.components.mqtt.discovery import (
ALREADY_DISCOVERED, MQTT_DISCOVERY_NEW)
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.dispatcher import async_dispatcher_connect
import homeassistant.helpers.event as evt
@ -63,9 +64,15 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up MQTT binary sensor dynamically through MQTT discovery."""
async def async_discover(discovery_payload):
"""Discover and add a MQTT binary sensor."""
config = PLATFORM_SCHEMA(discovery_payload)
await _async_setup_entity(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: # noqa: E722
if discovery_hash:
del hass.data[ALREADY_DISCOVERED][discovery_hash]
raise
async_dispatcher_connect(
hass, MQTT_DISCOVERY_NEW.format(binary_sensor.DOMAIN, 'mqtt'),

35
tests/components/binary_sensor/test_mqtt.py
View File

@ -390,7 +390,7 @@ async def test_discovery_removal_binary_sensor(hass, mqtt_mock, caplog):
async def test_discovery_update_binary_sensor(hass, mqtt_mock, caplog):
"""Test removal of discovered binary_sensor."""
"""Test update of discovered binary_sensor."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)
await async_start(hass, 'homeassistant', {}, entry)
data1 = (
@ -421,6 +421,39 @@ async def test_discovery_update_binary_sensor(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",'
' "off_delay": -1 }'
)
data2 = (
'{ "name": "Milk",'
' "state_topic": "test_topic" }'
)
async_fire_mqtt_message(hass, 'homeassistant/binary_sensor/bla/config',
data1)
await hass.async_block_till_done()
state = hass.states.get('binary_sensor.beer')
assert state is None
async_fire_mqtt_message(hass, 'homeassistant/binary_sensor/bla/config',
data2)
await hass.async_block_till_done()
await hass.async_block_till_done()
state = hass.states.get('binary_sensor.milk')
assert state is not None
assert state.name == 'Milk'
state = hass.states.get('binary_sensor.beer')
assert state is None
async def test_entity_device_info_with_identifier(hass, mqtt_mock):
"""Test MQTT binary sensor device registry integration."""
entry = MockConfigEntry(domain=mqtt.DOMAIN)