core/tests/helpers/test_discovery.py

91 lines
3.1 KiB
Python

"""Test discovery helpers."""
from unittest.mock import patch
from homeassistant.helpers import discovery
from tests.common import get_test_home_assistant
class TestHelpersDiscovery:
"""Tests for discovery helper methods."""
def setup_method(self, method):
"""Setup things to be run when tests are started."""
self.hass = get_test_home_assistant()
def teardown_method(self, method):
"""Stop everything that was started."""
self.hass.stop()
@patch('homeassistant.bootstrap.setup_component')
def test_listen(self, mock_setup_component):
"""Test discovery listen/discover combo."""
calls_single = []
calls_multi = []
def callback_single(service, info):
"""Service discovered callback."""
calls_single.append((service, info))
def callback_multi(service, info):
"""Service discovered callback."""
calls_multi.append((service, info))
discovery.listen(self.hass, 'test service', callback_single)
discovery.listen(self.hass, ['test service', 'another service'],
callback_multi)
discovery.discover(self.hass, 'test service', 'discovery info',
'test_component')
self.hass.pool.block_till_done()
discovery.discover(self.hass, 'another service', 'discovery info',
'test_component')
self.hass.pool.block_till_done()
assert mock_setup_component.called
assert mock_setup_component.call_args[0] == \
(self.hass, 'test_component', None)
assert len(calls_single) == 1
assert calls_single[0] == ('test service', 'discovery info')
assert len(calls_single) == 1
assert len(calls_multi) == 2
assert ['test service', 'another service'] == [info[0] for info
in calls_multi]
@patch('homeassistant.bootstrap.setup_component')
def test_platform(self, mock_setup_component):
"""Test discover platform method."""
calls = []
def platform_callback(platform, info):
"""Platform callback method."""
calls.append((platform, info))
discovery.listen_platform(self.hass, 'test_component',
platform_callback)
discovery.load_platform(self.hass, 'test_component', 'test_platform',
'discovery info')
assert mock_setup_component.called
assert mock_setup_component.call_args[0] == \
(self.hass, 'test_component', None)
self.hass.pool.block_till_done()
discovery.load_platform(self.hass, 'test_component_2', 'test_platform',
'discovery info')
self.hass.pool.block_till_done()
assert len(calls) == 1
assert calls[0] == ('test_platform', 'discovery info')
self.hass.bus.fire(discovery.EVENT_PLATFORM_DISCOVERED, {
discovery.ATTR_SERVICE:
discovery.EVENT_LOAD_PLATFORM.format('test_component')
})
self.hass.pool.block_till_done()
assert len(calls) == 1