core/tests/components/mqtt/test_discovery.py

517 lines
17 KiB
Python

"""The tests for the MQTT discovery."""
from pathlib import Path
import re
import pytest
from homeassistant import config_entries
from homeassistant.components import mqtt
from homeassistant.components.mqtt.abbreviations import (
ABBREVIATIONS,
DEVICE_ABBREVIATIONS,
)
from homeassistant.components.mqtt.discovery import ALREADY_DISCOVERED, async_start
from homeassistant.const import STATE_OFF, STATE_ON
from tests.async_mock import AsyncMock, patch
from tests.common import (
async_fire_mqtt_message,
mock_device_registry,
mock_entity_platform,
mock_registry,
)
@pytest.fixture
def device_reg(hass):
"""Return an empty, loaded, registry."""
return mock_device_registry(hass)
@pytest.fixture
def entity_reg(hass):
"""Return an empty, loaded, registry."""
return mock_registry(hass)
@pytest.mark.parametrize(
"mqtt_config",
[{mqtt.CONF_BROKER: "mock-broker", mqtt.CONF_DISCOVERY: False}],
)
async def test_subscribing_config_topic(hass, mqtt_mock):
"""Test setting up discovery."""
entry = hass.config_entries.async_entries(mqtt.DOMAIN)[0]
discovery_topic = "homeassistant"
await async_start(hass, discovery_topic, entry)
assert mqtt_mock.async_subscribe.called
call_args = mqtt_mock.async_subscribe.mock_calls[0][1]
assert call_args[0] == discovery_topic + "/#"
assert call_args[2] == 0
async def test_invalid_topic(hass, mqtt_mock):
"""Test sending to invalid topic."""
with patch(
"homeassistant.components.mqtt.discovery.async_dispatcher_send"
) as mock_dispatcher_send:
mock_dispatcher_send = AsyncMock(return_value=None)
async_fire_mqtt_message(
hass, "homeassistant/binary_sensor/bla/not_config", "{}"
)
await hass.async_block_till_done()
assert not mock_dispatcher_send.called
async def test_invalid_json(hass, mqtt_mock, caplog):
"""Test sending in invalid JSON."""
with patch(
"homeassistant.components.mqtt.discovery.async_dispatcher_send"
) as mock_dispatcher_send:
mock_dispatcher_send = AsyncMock(return_value=None)
async_fire_mqtt_message(
hass, "homeassistant/binary_sensor/bla/config", "not json"
)
await hass.async_block_till_done()
assert "Unable to parse JSON" in caplog.text
assert not mock_dispatcher_send.called
async def test_only_valid_components(hass, mqtt_mock, caplog):
"""Test for a valid component."""
with patch(
"homeassistant.components.mqtt.discovery.async_dispatcher_send"
) as mock_dispatcher_send:
invalid_component = "timer"
mock_dispatcher_send = AsyncMock(return_value=None)
async_fire_mqtt_message(
hass, f"homeassistant/{invalid_component}/bla/config", "{}"
)
await hass.async_block_till_done()
assert f"Integration {invalid_component} is not supported" in caplog.text
assert not mock_dispatcher_send.called
async def test_correct_config_discovery(hass, mqtt_mock, caplog):
"""Test sending in correct JSON."""
async_fire_mqtt_message(
hass,
"homeassistant/binary_sensor/bla/config",
'{ "name": "Beer", "state_topic": "test-topic" }',
)
await hass.async_block_till_done()
state = hass.states.get("binary_sensor.beer")
assert state is not None
assert state.name == "Beer"
assert ("binary_sensor", "bla") in hass.data[ALREADY_DISCOVERED]
async def test_discover_fan(hass, mqtt_mock, caplog):
"""Test discovering an MQTT fan."""
async_fire_mqtt_message(
hass,
"homeassistant/fan/bla/config",
('{ "name": "Beer",' ' "command_topic": "test_topic" }'),
)
await hass.async_block_till_done()
state = hass.states.get("fan.beer")
assert state is not None
assert state.name == "Beer"
assert ("fan", "bla") in hass.data[ALREADY_DISCOVERED]
async def test_discover_climate(hass, mqtt_mock, caplog):
"""Test discovering an MQTT climate component."""
data = (
'{ "name": "ClimateTest",'
' "current_temperature_topic": "climate/bla/current_temp",'
' "temperature_command_topic": "climate/bla/target_temp" }'
)
async_fire_mqtt_message(hass, "homeassistant/climate/bla/config", data)
await hass.async_block_till_done()
state = hass.states.get("climate.ClimateTest")
assert state is not None
assert state.name == "ClimateTest"
assert ("climate", "bla") in hass.data[ALREADY_DISCOVERED]
async def test_discover_alarm_control_panel(hass, mqtt_mock, caplog):
"""Test discovering an MQTT alarm control panel component."""
data = (
'{ "name": "AlarmControlPanelTest",'
' "state_topic": "test_topic",'
' "command_topic": "test_topic" }'
)
async_fire_mqtt_message(hass, "homeassistant/alarm_control_panel/bla/config", data)
await hass.async_block_till_done()
state = hass.states.get("alarm_control_panel.AlarmControlPanelTest")
assert state is not None
assert state.name == "AlarmControlPanelTest"
assert ("alarm_control_panel", "bla") in hass.data[ALREADY_DISCOVERED]
async def test_discovery_incl_nodeid(hass, mqtt_mock, caplog):
"""Test sending in correct JSON with optional node_id included."""
async_fire_mqtt_message(
hass,
"homeassistant/binary_sensor/my_node_id/bla/config",
'{ "name": "Beer", "state_topic": "test-topic" }',
)
await hass.async_block_till_done()
state = hass.states.get("binary_sensor.beer")
assert state is not None
assert state.name == "Beer"
assert ("binary_sensor", "my_node_id bla") in hass.data[ALREADY_DISCOVERED]
async def test_non_duplicate_discovery(hass, mqtt_mock, caplog):
"""Test for a non duplicate component."""
async_fire_mqtt_message(
hass,
"homeassistant/binary_sensor/bla/config",
'{ "name": "Beer", "state_topic": "test-topic" }',
)
async_fire_mqtt_message(
hass,
"homeassistant/binary_sensor/bla/config",
'{ "name": "Beer", "state_topic": "test-topic" }',
)
await hass.async_block_till_done()
state = hass.states.get("binary_sensor.beer")
state_duplicate = hass.states.get("binary_sensor.beer1")
assert state is not None
assert state.name == "Beer"
assert state_duplicate is None
assert "Component has already been discovered: binary_sensor bla" in caplog.text
async def test_removal(hass, mqtt_mock, caplog):
"""Test removal of component through empty discovery message."""
async_fire_mqtt_message(
hass,
"homeassistant/binary_sensor/bla/config",
'{ "name": "Beer", "state_topic": "test-topic" }',
)
await hass.async_block_till_done()
state = hass.states.get("binary_sensor.beer")
assert state is not None
async_fire_mqtt_message(hass, "homeassistant/binary_sensor/bla/config", "")
await hass.async_block_till_done()
state = hass.states.get("binary_sensor.beer")
assert state is None
async def test_rediscover(hass, mqtt_mock, caplog):
"""Test rediscover of removed component."""
async_fire_mqtt_message(
hass,
"homeassistant/binary_sensor/bla/config",
'{ "name": "Beer", "state_topic": "test-topic" }',
)
await hass.async_block_till_done()
state = hass.states.get("binary_sensor.beer")
assert state is not None
async_fire_mqtt_message(hass, "homeassistant/binary_sensor/bla/config", "")
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",
'{ "name": "Beer", "state_topic": "test-topic" }',
)
await hass.async_block_till_done()
state = hass.states.get("binary_sensor.beer")
assert state is not None
async def test_duplicate_removal(hass, mqtt_mock, caplog):
"""Test for a non duplicate component."""
async_fire_mqtt_message(
hass,
"homeassistant/binary_sensor/bla/config",
'{ "name": "Beer", "state_topic": "test-topic" }',
)
await hass.async_block_till_done()
async_fire_mqtt_message(hass, "homeassistant/binary_sensor/bla/config", "")
await hass.async_block_till_done()
assert "Component has already been discovered: binary_sensor bla" in caplog.text
caplog.clear()
async_fire_mqtt_message(hass, "homeassistant/binary_sensor/bla/config", "")
await hass.async_block_till_done()
assert "Component has already been discovered: binary_sensor bla" not in caplog.text
async def test_cleanup_device(hass, device_reg, entity_reg, mqtt_mock):
"""Test discvered device is cleaned up when removed from registry."""
data = (
'{ "device":{"identifiers":["0AFFD2"]},'
' "state_topic": "foobar/sensor",'
' "unique_id": "unique" }'
)
async_fire_mqtt_message(hass, "homeassistant/sensor/bla/config", data)
await hass.async_block_till_done()
# Verify device and registry entries are created
device_entry = device_reg.async_get_device({("mqtt", "0AFFD2")}, set())
assert device_entry is not None
entity_entry = entity_reg.async_get("sensor.mqtt_sensor")
assert entity_entry is not None
state = hass.states.get("sensor.mqtt_sensor")
assert state is not None
device_reg.async_remove_device(device_entry.id)
await hass.async_block_till_done()
# Verify device and registry entries are cleared
device_entry = device_reg.async_get_device({("mqtt", "0AFFD2")}, set())
assert device_entry is None
entity_entry = entity_reg.async_get("sensor.mqtt_sensor")
assert entity_entry is None
# Verify state is removed
state = hass.states.get("sensor.mqtt_sensor")
assert state is None
await hass.async_block_till_done()
# Verify retained discovery topic has been cleared
mqtt_mock.async_publish.assert_called_once_with(
"homeassistant/sensor/bla/config", "", 0, True
)
async def test_discovery_expansion(hass, mqtt_mock, caplog):
"""Test expansion of abbreviated discovery payload."""
data = (
'{ "~": "some/base/topic",'
' "name": "DiscoveryExpansionTest1",'
' "stat_t": "test_topic/~",'
' "cmd_t": "~/test_topic",'
' "dev":{'
' "ids":["5706DF"],'
' "name":"DiscoveryExpansionTest1 Device",'
' "mdl":"Generic",'
' "sw":"1.2.3.4",'
' "mf":"None"'
" }"
"}"
)
async_fire_mqtt_message(hass, "homeassistant/switch/bla/config", data)
await hass.async_block_till_done()
state = hass.states.get("switch.DiscoveryExpansionTest1")
assert state is not None
assert state.name == "DiscoveryExpansionTest1"
assert ("switch", "bla") in hass.data[ALREADY_DISCOVERED]
assert state.state == STATE_OFF
async_fire_mqtt_message(hass, "test_topic/some/base/topic", "ON")
state = hass.states.get("switch.DiscoveryExpansionTest1")
assert state.state == STATE_ON
ABBREVIATIONS_WHITE_LIST = [
# MQTT client/server/trigger settings
"CONF_BIRTH_MESSAGE",
"CONF_BROKER",
"CONF_CERTIFICATE",
"CONF_CLIENT_CERT",
"CONF_CLIENT_ID",
"CONF_CLIENT_KEY",
"CONF_DISCOVERY",
"CONF_DISCOVERY_ID",
"CONF_DISCOVERY_PREFIX",
"CONF_EMBEDDED",
"CONF_KEEPALIVE",
"CONF_TLS_INSECURE",
"CONF_TLS_VERSION",
"CONF_WILL_MESSAGE",
# Undocumented device configuration
"CONF_DEPRECATED_VIA_HUB",
"CONF_VIA_DEVICE",
# Already short
"CONF_FAN_MODE_LIST",
"CONF_HOLD_LIST",
"CONF_HS",
"CONF_MODE_LIST",
"CONF_PRECISION",
"CONF_QOS",
"CONF_SCHEMA",
"CONF_SWING_MODE_LIST",
"CONF_TEMP_STEP",
]
async def test_missing_discover_abbreviations(hass, mqtt_mock, caplog):
"""Check MQTT platforms for missing abbreviations."""
missing = []
regex = re.compile(r"(CONF_[a-zA-Z\d_]*) *= *[\'\"]([a-zA-Z\d_]*)[\'\"]")
for fil in Path(mqtt.__file__).parent.rglob("*.py"):
if fil.name == "trigger.py":
continue
with open(fil) as file:
matches = re.findall(regex, file.read())
for match in matches:
if (
match[1] not in ABBREVIATIONS.values()
and match[1] not in DEVICE_ABBREVIATIONS.values()
and match[0] not in ABBREVIATIONS_WHITE_LIST
):
missing.append(
"{}: no abbreviation for {} ({})".format(
fil, match[1], match[0]
)
)
assert not missing
async def test_no_implicit_state_topic_switch(hass, mqtt_mock, caplog):
"""Test no implicit state topic for switch."""
data = '{ "name": "Test1",' ' "command_topic": "cmnd"' "}"
async_fire_mqtt_message(hass, "homeassistant/switch/bla/config", data)
await hass.async_block_till_done()
assert "implicit state_topic is deprecated" not in caplog.text
state = hass.states.get("switch.Test1")
assert state is not None
assert state.name == "Test1"
assert ("switch", "bla") in hass.data[ALREADY_DISCOVERED]
assert state.state == "off"
assert state.attributes["assumed_state"] is True
async_fire_mqtt_message(hass, "homeassistant/switch/bla/state", "ON")
state = hass.states.get("switch.Test1")
assert state.state == "off"
@pytest.mark.parametrize(
"mqtt_config",
[
{
mqtt.CONF_BROKER: "mock-broker",
mqtt.CONF_DISCOVERY_PREFIX: "my_home/homeassistant/register",
}
],
)
async def test_complex_discovery_topic_prefix(hass, mqtt_mock, caplog):
"""Tests handling of discovery topic prefix with multiple slashes."""
async_fire_mqtt_message(
hass,
("my_home/homeassistant/register/binary_sensor/node1/object1/config"),
'{ "name": "Beer", "state_topic": "test-topic" }',
)
await hass.async_block_till_done()
state = hass.states.get("binary_sensor.beer")
assert state is not None
assert state.name == "Beer"
assert ("binary_sensor", "node1 object1") in hass.data[ALREADY_DISCOVERED]
async def test_mqtt_integration_discovery_subscribe_unsubscribe(
hass, mqtt_client_mock, mqtt_mock
):
"""Check MQTT integration discovery subscribe and unsubscribe."""
mock_entity_platform(hass, "config_flow.comp", None)
entry = hass.config_entries.async_entries("mqtt")[0]
mqtt_mock().connected = True
with patch(
"homeassistant.components.mqtt.discovery.async_get_mqtt",
return_value={"comp": ["comp/discovery/#"]},
):
await async_start(hass, "homeassistant", entry)
await hass.async_block_till_done()
mqtt_client_mock.subscribe.assert_any_call("comp/discovery/#", 0)
assert not mqtt_client_mock.unsubscribe.called
class TestFlow(config_entries.ConfigFlow):
"""Test flow."""
async def async_step_mqtt(self, discovery_info):
"""Test mqtt step."""
return self.async_abort(reason="already_configured")
with patch.dict(config_entries.HANDLERS, {"comp": TestFlow}):
mqtt_client_mock.subscribe.assert_any_call("comp/discovery/#", 0)
assert not mqtt_client_mock.unsubscribe.called
async_fire_mqtt_message(hass, "comp/discovery/bla/config", "")
await hass.async_block_till_done()
mqtt_client_mock.unsubscribe.assert_called_once_with("comp/discovery/#")
mqtt_client_mock.unsubscribe.reset_mock()
async_fire_mqtt_message(hass, "comp/discovery/bla/config", "")
await hass.async_block_till_done()
assert not mqtt_client_mock.unsubscribe.called
async def test_mqtt_discovery_unsubscribe_once(hass, mqtt_client_mock, mqtt_mock):
"""Check MQTT integration discovery unsubscribe once."""
mock_entity_platform(hass, "config_flow.comp", None)
entry = hass.config_entries.async_entries("mqtt")[0]
mqtt_mock().connected = True
with patch(
"homeassistant.components.mqtt.discovery.async_get_mqtt",
return_value={"comp": ["comp/discovery/#"]},
):
await async_start(hass, "homeassistant", entry)
await hass.async_block_till_done()
mqtt_client_mock.subscribe.assert_any_call("comp/discovery/#", 0)
assert not mqtt_client_mock.unsubscribe.called
class TestFlow(config_entries.ConfigFlow):
"""Test flow."""
async def async_step_mqtt(self, discovery_info):
"""Test mqtt step."""
return self.async_abort(reason="already_configured")
with patch.dict(config_entries.HANDLERS, {"comp": TestFlow}):
async_fire_mqtt_message(hass, "comp/discovery/bla/config", "")
async_fire_mqtt_message(hass, "comp/discovery/bla/config", "")
await hass.async_block_till_done()
await hass.async_block_till_done()
mqtt_client_mock.unsubscribe.assert_called_once_with("comp/discovery/#")