31f189da82
* Added mqtt_statestream component * Added tests for mqtt_statestream component * mqtt_statestream: add test for valid new_state * mqtt_statestream: Don't set initialized state * mqtt_statestream: Switch to using async_track_state_change * Cleanup
65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
"""The tests for the MQTT statestream component."""
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from unittest.mock import patch
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from homeassistant.setup import setup_component
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import homeassistant.components.mqtt_statestream as statestream
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from homeassistant.core import State
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from tests.common import (
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get_test_home_assistant,
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mock_mqtt_component,
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mock_state_change_event
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)
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class TestMqttStateStream(object):
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"""Test the MQTT statestream module."""
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def setup_method(self):
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"""Setup things to be run when tests are started."""
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self.hass = get_test_home_assistant()
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self.mock_mqtt = mock_mqtt_component(self.hass)
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def teardown_method(self):
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"""Stop everything that was started."""
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self.hass.stop()
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def add_statestream(self, base_topic=None):
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"""Add a mqtt_statestream component."""
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config = {}
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if base_topic:
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config['base_topic'] = base_topic
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return setup_component(self.hass, statestream.DOMAIN, {
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statestream.DOMAIN: config})
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def test_fails_with_no_base(self):
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"""Setup should fail if no base_topic is set."""
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assert self.add_statestream() is False
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def test_setup_succeeds(self):
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""""Test the success of the setup with a valid base_topic."""
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assert self.add_statestream(base_topic='pub')
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@patch('homeassistant.components.mqtt.async_publish')
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@patch('homeassistant.core.dt_util.utcnow')
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def test_state_changed_event_sends_message(self, mock_utcnow, mock_pub):
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""""Test the sending of a new message if event changed."""
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e_id = 'fake.entity'
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base_topic = 'pub'
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# Add the statestream component for publishing state updates
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assert self.add_statestream(base_topic=base_topic)
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self.hass.block_till_done()
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# Reset the mock because it will have already gotten calls for the
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# mqtt_statestream state change on initialization, etc.
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mock_pub.reset_mock()
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# Set a state of an entity
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mock_state_change_event(self.hass, State(e_id, 'on'))
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self.hass.block_till_done()
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# Make sure 'on' was published to pub/fake/entity
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mock_pub.assert_called_with(self.hass, 'pub/fake/entity', 'on', 1,
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True)
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assert mock_pub.called
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