core/tests/components/sensor/test_yr.py

"""The tests for the Yr sensor platform."""
from datetime import datetime
from unittest.mock import patch

import pytest

from homeassistant.bootstrap import _setup_component
import homeassistant.util.dt as dt_util
from tests.common import get_test_home_assistant


@pytest.mark.usefixtures('betamax_session')
class TestSensorYr:
    """Test the Yr sensor."""

    def setup_method(self, method):
        """Setup things to be run when tests are started."""
        self.hass = get_test_home_assistant()
        self.hass.config.latitude = 32.87336
        self.hass.config.longitude = 117.22743

    def teardown_method(self, method):
        """Stop everything that was started."""
        self.hass.stop()

    def test_default_setup(self, betamax_session):
        """Test the default setup."""
        now = datetime(2016, 6, 9, 1, tzinfo=dt_util.UTC)

        with patch('homeassistant.components.sensor.yr.requests.Session',
                   return_value=betamax_session):
            with patch('homeassistant.components.sensor.yr.dt_util.utcnow',
                       return_value=now):
                    assert _setup_component(self.hass, 'sensor', {
                                    'sensor': {'platform': 'yr',
                                               'elevation': 0}})

        state = self.hass.states.get('sensor.yr_symbol')

        assert '3' == state.state
        assert state.state.isnumeric()
        assert state.attributes.get('unit_of_measurement') is None

    def test_custom_setup(self, betamax_session):
        """Test a custom setup."""
        now = datetime(2016, 6, 9, 1, tzinfo=dt_util.UTC)

        with patch('homeassistant.components.sensor.yr.requests.Session',
                   return_value=betamax_session):
            with patch('homeassistant.components.sensor.yr.dt_util.utcnow',
                       return_value=now):
                assert _setup_component(self.hass, 'sensor', {
                                        'sensor': {'platform': 'yr',
                                                   'elevation': 0,
                                                   'monitored_conditions': [
                                                       'pressure',
                                                       'windDirection',
                                                       'humidity',
                                                       'fog',
                                                       'windSpeed']}})

        state = self.hass.states.get('sensor.yr_pressure')
        assert 'hPa' == state.attributes.get('unit_of_measurement')
        assert '1009.3' == state.state

        state = self.hass.states.get('sensor.yr_wind_direction')
        assert '°' == state.attributes.get('unit_of_measurement')
        assert '103.6' == state.state

        state = self.hass.states.get('sensor.yr_humidity')
        assert '%' == state.attributes.get('unit_of_measurement')
        assert '55.5' == state.state

        state = self.hass.states.get('sensor.yr_fog')
        assert '%' == state.attributes.get('unit_of_measurement')
        assert '0.0' == state.state

        state = self.hass.states.get('sensor.yr_wind_speed')
        assert 'm/s', state.attributes.get('unit_of_measurement')
        assert '3.5' == state.state