core/tests/components/mqtt/test_init.py

355 lines
14 KiB
Python

"""The tests for the MQTT component."""
from collections import namedtuple
import unittest
from unittest import mock
import socket
import voluptuous as vol
from homeassistant.core import callback
from homeassistant.bootstrap import setup_component
import homeassistant.components.mqtt as mqtt
from homeassistant.const import (
EVENT_CALL_SERVICE, ATTR_DOMAIN, ATTR_SERVICE, EVENT_HOMEASSISTANT_START,
EVENT_HOMEASSISTANT_STOP)
from tests.common import (
get_test_home_assistant, mock_mqtt_component, fire_mqtt_message)
class TestMQTT(unittest.TestCase):
"""Test the MQTT component."""
def setUp(self): # pylint: disable=invalid-name
"""Setup things to be run when tests are started."""
self.hass = get_test_home_assistant()
mock_mqtt_component(self.hass)
self.calls = []
def tearDown(self): # pylint: disable=invalid-name
"""Stop everything that was started."""
self.hass.stop()
@callback
def record_calls(self, *args):
"""Helper for recording calls."""
self.calls.append(args)
def test_client_starts_on_home_assistant_start(self):
""""Test if client start on HA launch."""
self.hass.bus.fire(EVENT_HOMEASSISTANT_START)
self.hass.block_till_done()
self.assertTrue(mqtt.MQTT_CLIENT.start.called)
def test_client_stops_on_home_assistant_start(self):
"""Test if client stops on HA launch."""
self.hass.bus.fire(EVENT_HOMEASSISTANT_START)
self.hass.block_till_done()
self.hass.bus.fire(EVENT_HOMEASSISTANT_STOP)
self.hass.block_till_done()
self.assertTrue(mqtt.MQTT_CLIENT.stop.called)
def test_setup_fails_if_no_connect_broker(self):
"""Test for setup failure if connection to broker is missing."""
with mock.patch('homeassistant.components.mqtt.MQTT',
side_effect=socket.error()):
self.hass.config.components = []
assert not setup_component(self.hass, mqtt.DOMAIN, {
mqtt.DOMAIN: {
mqtt.CONF_BROKER: 'test-broker',
}
})
def test_setup_protocol_validation(self):
"""Test for setup failure if connection to broker is missing."""
with mock.patch('paho.mqtt.client.Client'):
self.hass.config.components = []
assert setup_component(self.hass, mqtt.DOMAIN, {
mqtt.DOMAIN: {
mqtt.CONF_BROKER: 'test-broker',
mqtt.CONF_PROTOCOL: 3.1,
}
})
def test_publish_calls_service(self):
"""Test the publishing of call to services."""
self.hass.bus.listen_once(EVENT_CALL_SERVICE, self.record_calls)
mqtt.publish(self.hass, 'test-topic', 'test-payload')
self.hass.block_till_done()
self.assertEqual(1, len(self.calls))
self.assertEqual(
'test-topic',
self.calls[0][0].data['service_data'][mqtt.ATTR_TOPIC])
self.assertEqual(
'test-payload',
self.calls[0][0].data['service_data'][mqtt.ATTR_PAYLOAD])
def test_service_call_without_topic_does_not_publish(self):
"""Test the service call if topic is missing."""
self.hass.bus.fire(EVENT_CALL_SERVICE, {
ATTR_DOMAIN: mqtt.DOMAIN,
ATTR_SERVICE: mqtt.SERVICE_PUBLISH
})
self.hass.block_till_done()
self.assertTrue(not mqtt.MQTT_CLIENT.publish.called)
def test_service_call_with_template_payload_renders_template(self):
"""Test the service call with rendered template.
If 'payload_template' is provided and 'payload' is not, then render it.
"""
mqtt.publish_template(self.hass, "test/topic", "{{ 1+1 }}")
self.hass.block_till_done()
self.assertTrue(mqtt.MQTT_CLIENT.publish.called)
self.assertEqual(mqtt.MQTT_CLIENT.publish.call_args[0][1], "2")
def test_service_call_with_payload_doesnt_render_template(self):
"""Test the service call with unrendered template.
If both 'payload' and 'payload_template' are provided then fail.
"""
payload = "not a template"
payload_template = "a template"
self.hass.services.call(mqtt.DOMAIN, mqtt.SERVICE_PUBLISH, {
mqtt.ATTR_TOPIC: "test/topic",
mqtt.ATTR_PAYLOAD: payload,
mqtt.ATTR_PAYLOAD_TEMPLATE: payload_template
}, blocking=True)
self.assertFalse(mqtt.MQTT_CLIENT.publish.called)
def test_service_call_with_ascii_qos_retain_flags(self):
"""Test the service call with args that can be misinterpreted.
Empty payload message and ascii formatted qos and retain flags.
"""
self.hass.services.call(mqtt.DOMAIN, mqtt.SERVICE_PUBLISH, {
mqtt.ATTR_TOPIC: "test/topic",
mqtt.ATTR_PAYLOAD: "",
mqtt.ATTR_QOS: '2',
mqtt.ATTR_RETAIN: 'no'
}, blocking=True)
self.assertTrue(mqtt.MQTT_CLIENT.publish.called)
self.assertEqual(mqtt.MQTT_CLIENT.publish.call_args[0][2], 2)
self.assertFalse(mqtt.MQTT_CLIENT.publish.call_args[0][3])
def test_subscribe_topic(self):
"""Test the subscription of a topic."""
unsub = mqtt.subscribe(self.hass, 'test-topic', self.record_calls)
fire_mqtt_message(self.hass, 'test-topic', 'test-payload')
self.hass.block_till_done()
self.assertEqual(1, len(self.calls))
self.assertEqual('test-topic', self.calls[0][0])
self.assertEqual('test-payload', self.calls[0][1])
unsub()
fire_mqtt_message(self.hass, 'test-topic', 'test-payload')
self.hass.block_till_done()
self.assertEqual(1, len(self.calls))
def test_subscribe_topic_not_match(self):
"""Test if subscribed topic is not a match."""
mqtt.subscribe(self.hass, 'test-topic', self.record_calls)
fire_mqtt_message(self.hass, 'another-test-topic', 'test-payload')
self.hass.block_till_done()
self.assertEqual(0, len(self.calls))
def test_subscribe_topic_level_wildcard(self):
"""Test the subscription of wildcard topics."""
mqtt.subscribe(self.hass, 'test-topic/+/on', self.record_calls)
fire_mqtt_message(self.hass, 'test-topic/bier/on', 'test-payload')
self.hass.block_till_done()
self.assertEqual(1, len(self.calls))
self.assertEqual('test-topic/bier/on', self.calls[0][0])
self.assertEqual('test-payload', self.calls[0][1])
def test_subscribe_topic_level_wildcard_no_subtree_match(self):
"""Test the subscription of wildcard topics."""
mqtt.subscribe(self.hass, 'test-topic/+/on', self.record_calls)
fire_mqtt_message(self.hass, 'test-topic/bier', 'test-payload')
self.hass.block_till_done()
self.assertEqual(0, len(self.calls))
def test_subscribe_topic_subtree_wildcard_subtree_topic(self):
"""Test the subscription of wildcard topics."""
mqtt.subscribe(self.hass, 'test-topic/#', self.record_calls)
fire_mqtt_message(self.hass, 'test-topic/bier/on', 'test-payload')
self.hass.block_till_done()
self.assertEqual(1, len(self.calls))
self.assertEqual('test-topic/bier/on', self.calls[0][0])
self.assertEqual('test-payload', self.calls[0][1])
def test_subscribe_topic_subtree_wildcard_root_topic(self):
"""Test the subscription of wildcard topics."""
mqtt.subscribe(self.hass, 'test-topic/#', self.record_calls)
fire_mqtt_message(self.hass, 'test-topic', 'test-payload')
self.hass.block_till_done()
self.assertEqual(1, len(self.calls))
self.assertEqual('test-topic', self.calls[0][0])
self.assertEqual('test-payload', self.calls[0][1])
def test_subscribe_topic_subtree_wildcard_no_match(self):
"""Test the subscription of wildcard topics."""
mqtt.subscribe(self.hass, 'test-topic/#', self.record_calls)
fire_mqtt_message(self.hass, 'another-test-topic', 'test-payload')
self.hass.block_till_done()
self.assertEqual(0, len(self.calls))
class TestMQTTCallbacks(unittest.TestCase):
"""Test the MQTT callbacks."""
def setUp(self): # pylint: disable=invalid-name
"""Setup things to be run when tests are started."""
self.hass = get_test_home_assistant()
# mock_mqtt_component(self.hass)
with mock.patch('paho.mqtt.client.Client'):
self.hass.config.components = []
assert setup_component(self.hass, mqtt.DOMAIN, {
mqtt.DOMAIN: {
mqtt.CONF_BROKER: 'mock-broker',
mqtt.CONF_BIRTH_MESSAGE: {mqtt.ATTR_TOPIC: 'birth',
mqtt.ATTR_PAYLOAD: 'birth'}
}
})
def tearDown(self): # pylint: disable=invalid-name
"""Stop everything that was started."""
self.hass.stop()
def test_receiving_mqtt_message_fires_hass_event(self):
"""Test if receiving triggers an event."""
calls = []
@callback
def record(event):
"""Helper to record calls."""
calls.append(event)
self.hass.bus.listen_once(mqtt.EVENT_MQTT_MESSAGE_RECEIVED, record)
MQTTMessage = namedtuple('MQTTMessage', ['topic', 'qos', 'payload'])
message = MQTTMessage('test_topic', 1, 'Hello World!'.encode('utf-8'))
mqtt.MQTT_CLIENT._mqtt_on_message(None, {'hass': self.hass}, message)
self.hass.block_till_done()
self.assertEqual(1, len(calls))
last_event = calls[0]
self.assertEqual('Hello World!', last_event.data['payload'])
self.assertEqual(message.topic, last_event.data['topic'])
self.assertEqual(message.qos, last_event.data['qos'])
def test_mqtt_failed_connection_results_in_disconnect(self):
"""Test if connection failure leads to disconnect."""
for result_code in range(1, 6):
mqtt.MQTT_CLIENT._mqttc = mock.MagicMock()
mqtt.MQTT_CLIENT._mqtt_on_connect(None, {'topics': {}}, 0,
result_code)
self.assertTrue(mqtt.MQTT_CLIENT._mqttc.disconnect.called)
def test_mqtt_subscribes_topics_on_connect(self):
"""Test subscription to topic on connect."""
from collections import OrderedDict
prev_topics = OrderedDict()
prev_topics['topic/test'] = 1,
prev_topics['home/sensor'] = 2,
prev_topics['still/pending'] = None
mqtt.MQTT_CLIENT.topics = prev_topics
mqtt.MQTT_CLIENT.progress = {1: 'still/pending'}
# Return values for subscribe calls (rc, mid)
mqtt.MQTT_CLIENT._mqttc.subscribe.side_effect = ((0, 2), (0, 3))
mqtt.MQTT_CLIENT._mqtt_on_connect(None, None, 0, 0)
self.assertFalse(mqtt.MQTT_CLIENT._mqttc.disconnect.called)
expected = [(topic, qos) for topic, qos in prev_topics.items()
if qos is not None]
self.assertEqual(
expected,
[call[1] for call in mqtt.MQTT_CLIENT._mqttc.subscribe.mock_calls])
self.assertEqual({
1: 'still/pending',
2: 'topic/test',
3: 'home/sensor',
}, mqtt.MQTT_CLIENT.progress)
def test_mqtt_birth_message_on_connect(self):
"""Test birth message on connect."""
mqtt.MQTT_CLIENT._mqtt_on_connect(None, None, 0, 0)
mqtt.MQTT_CLIENT._mqttc.publish.assert_called_with('birth', 'birth', 0,
False)
def test_mqtt_disconnect_tries_no_reconnect_on_stop(self):
"""Test the disconnect tries."""
mqtt.MQTT_CLIENT._mqtt_on_disconnect(None, None, 0)
self.assertFalse(mqtt.MQTT_CLIENT._mqttc.reconnect.called)
@mock.patch('homeassistant.components.mqtt.time.sleep')
def test_mqtt_disconnect_tries_reconnect(self, mock_sleep):
"""Test the re-connect tries."""
mqtt.MQTT_CLIENT.topics = {
'test/topic': 1,
'test/progress': None
}
mqtt.MQTT_CLIENT.progress = {
1: 'test/progress'
}
mqtt.MQTT_CLIENT._mqttc.reconnect.side_effect = [1, 1, 1, 0]
mqtt.MQTT_CLIENT._mqtt_on_disconnect(None, None, 1)
self.assertTrue(mqtt.MQTT_CLIENT._mqttc.reconnect.called)
self.assertEqual(4, len(mqtt.MQTT_CLIENT._mqttc.reconnect.mock_calls))
self.assertEqual([1, 2, 4],
[call[1][0] for call in mock_sleep.mock_calls])
self.assertEqual({'test/topic': 1}, mqtt.MQTT_CLIENT.topics)
self.assertEqual({}, mqtt.MQTT_CLIENT.progress)
def test_invalid_mqtt_topics(self):
self.assertRaises(vol.Invalid, mqtt.valid_publish_topic, 'bad+topic')
self.assertRaises(vol.Invalid, mqtt.valid_subscribe_topic, 'bad\0one')
def test_receiving_non_utf8_message_gets_logged(self):
"""Test receiving a non utf8 encoded message."""
calls = []
@callback
def record(event):
"""Helper to record calls."""
calls.append(event)
payload = 0x9a
topic = 'test_topic'
self.hass.bus.listen_once(mqtt.EVENT_MQTT_MESSAGE_RECEIVED, record)
MQTTMessage = namedtuple('MQTTMessage', ['topic', 'qos', 'payload'])
message = MQTTMessage(topic, 1, payload)
with self.assertLogs(level='ERROR') as test_handle:
mqtt.MQTT_CLIENT._mqtt_on_message(
None,
{'hass': self.hass},
message)
self.hass.block_till_done()
self.assertIn(
"ERROR:homeassistant.components.mqtt:Illegal utf-8 unicode "
"payload from MQTT topic: %s, Payload: " % topic,
test_handle.output[0])