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