core/tests/components/darksky/test_weather.py

68 lines
2.3 KiB
Python

"""The tests for the Dark Sky weather component."""
import re
import unittest
import forecastio
from requests.exceptions import ConnectionError
import requests_mock
from homeassistant.components import weather
from homeassistant.setup import setup_component
from homeassistant.util.unit_system import METRIC_SYSTEM
from tests.async_mock import patch
from tests.common import get_test_home_assistant, load_fixture
class TestDarkSky(unittest.TestCase):
"""Test the Dark Sky weather component."""
def setUp(self):
"""Set up things to be run when tests are started."""
self.hass = get_test_home_assistant()
self.hass.config.units = METRIC_SYSTEM
self.lat = self.hass.config.latitude = 37.8267
self.lon = self.hass.config.longitude = -122.423
self.addCleanup(self.tear_down_cleanup)
def tear_down_cleanup(self):
"""Stop down everything that was started."""
self.hass.stop()
@requests_mock.Mocker()
@patch("forecastio.api.get_forecast", wraps=forecastio.api.get_forecast)
def test_setup(self, mock_req, mock_get_forecast):
"""Test for successfully setting up the forecast.io platform."""
uri = (
r"https://api.(darksky.net|forecast.io)\/forecast\/(\w+)\/"
r"(-?\d+\.?\d*),(-?\d+\.?\d*)"
)
mock_req.get(re.compile(uri), text=load_fixture("darksky.json"))
assert setup_component(
self.hass,
weather.DOMAIN,
{"weather": {"name": "test", "platform": "darksky", "api_key": "foo"}},
)
self.hass.block_till_done()
assert mock_get_forecast.called
assert mock_get_forecast.call_count == 1
state = self.hass.states.get("weather.test")
assert state.state == "sunny"
@patch("forecastio.load_forecast", side_effect=ConnectionError())
def test_failed_setup(self, mock_load_forecast):
"""Test to ensure that a network error does not break component state."""
assert setup_component(
self.hass,
weather.DOMAIN,
{"weather": {"name": "test", "platform": "darksky", "api_key": "foo"}},
)
self.hass.block_till_done()
state = self.hass.states.get("weather.test")
assert state.state == "unavailable"