core/tests/helpers/test_discovery.py

131 lines
4.6 KiB
Python

"""Test discovery helpers."""
from unittest.mock import patch
from homeassistant import loader, bootstrap
from homeassistant.helpers import discovery
from tests.common import get_test_home_assistant, MockModule, MockPlatform
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(1)
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.block_till_done()
discovery.discover(self.hass, 'another service', 'discovery info',
'test_component')
self.hass.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')
self.hass.block_till_done()
assert mock_setup_component.called
assert mock_setup_component.call_args[0] == \
(self.hass, 'test_component', None)
self.hass.block_till_done()
discovery.load_platform(self.hass, 'test_component_2', 'test_platform',
'discovery info')
self.hass.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.block_till_done()
assert len(calls) == 1
def test_circular_import(self):
"""Test we don't break doing circular import."""
component_calls = []
platform_calls = []
def component_setup(hass, config):
"""Setup mock component."""
discovery.load_platform(hass, 'switch', 'test_circular', 'disc',
config)
component_calls.append(1)
return True
def setup_platform(hass, config, add_devices_callback,
discovery_info=None):
"""Setup mock platform."""
platform_calls.append('disc' if discovery_info else 'component')
loader.set_component(
'test_component',
MockModule('test_component', setup=component_setup))
loader.set_component(
'switch.test_circular',
MockPlatform(setup_platform,
dependencies=['test_component']))
bootstrap.setup_component(self.hass, 'test_component', {
'test_component': None,
'switch': [{
'platform': 'test_circular',
}],
})
self.hass.block_till_done()
assert 'test_component' in self.hass.config.components
assert 'switch' in self.hass.config.components
assert len(component_calls) == 1
assert len(platform_calls) == 2