bug fixes and linting

.coveragerc

@@ -143,6 +143,9 @@ omit =
     homeassistant/components/netatmo.py
     homeassistant/components/*/netatmo.py
 
+    homeassistant/components/nuheat.py
+    homeassistant/components/*/nuheat.py
+
     homeassistant/components/octoprint.py
     homeassistant/components/*/octoprint.py
 

homeassistant/components/climate/nuheat.py

@@ -10,6 +10,7 @@ from homeassistant.components.climate import (
     ClimateDevice,
     STATE_HEAT,
     STATE_IDLE)
+from homeassistant.components.nuheat import DATA_NUHEAT
 from homeassistant.const import (
     ATTR_TEMPERATURE,
     TEMP_CELSIUS,
@@ -26,7 +27,6 @@ MODE_AUTO = "auto"  # Run device schedule
 MODE_AWAY = "away"
 MODE_HOLD_TEMPERATURE = "temperature"
 MODE_TEMPORARY_HOLD = "temporary_temperature"
-# TODO: offline?
 
 OPERATION_LIST = [STATE_HEAT, STATE_IDLE]
 
@@ -36,15 +36,13 @@ SCHEDULE_TEMPORARY_HOLD = 2
 
 
 def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the NuHeat thermostat(s)."""
     if discovery_info is None:
         return
 
-    _LOGGER.info("Loading NuHeat thermostat component")
+    _LOGGER.info("Loading NuHeat thermostat climate component")
-
     temperature_unit = hass.config.units.temperature_unit
-    _LOGGER.debug("temp_unit is %s", temperature_unit)
     api, serial_numbers = hass.data[DATA_NUHEAT]
-
     thermostats = [
         NuHeatThermostat(api, serial_number, temperature_unit)
         for serial_number in serial_numbers
@@ -77,7 +75,7 @@ class NuHeatThermostat(ClimateDevice):
         """Return the current temperature."""
         if self._temperature_unit == "C":
             return self._thermostat.celsius
-        
+
         return self._thermostat.fahrenheit
 
     @property
@@ -158,7 +156,7 @@ class NuHeatThermostat(ClimateDevice):
 
         if self._thermostat.schedule_mode != SCHEDULE_HOLD:
             return False
-        
+
         return True
 
     def turn_away_mode_on(self):
@@ -203,6 +201,6 @@ class NuHeatThermostat(ClimateDevice):
             self._throttled_update()
 
     @Throttle(MIN_TIME_BETWEEN_UPDATES)
-    def _throttled_update(self):
+    def _throttled_update(self, **kwargs):
         """Get the latest state from the thermostat... but throttled!"""
         self._thermostat.get_data()

homeassistant/components/nuheat.py

@@ -5,8 +5,6 @@ For more details about this platform, please refer to the documentation at
 """
 import logging
 
-from datetime import timedelta
-
 import voluptuous as vol
 
 from homeassistant.const import CONF_USERNAME, CONF_PASSWORD, CONF_DEVICES
@@ -25,7 +23,8 @@ CONFIG_SCHEMA = vol.Schema({
     DOMAIN: vol.Schema({
         vol.Required(CONF_USERNAME): cv.string,
         vol.Required(CONF_PASSWORD): cv.string,
-        vol.Required(CONF_DEVICES): vol.All(cv.ensure_list, cv.string)
+        vol.Required(CONF_DEVICES, default=[]):
+            vol.All(cv.ensure_list, [cv.string]),
     }),
 }, extra=vol.ALLOW_EXTRA)
 

tests/components/climate/test_nuheat.py

@@ -13,6 +13,7 @@ SCHEDULE_TEMPORARY_HOLD = 2
 
 class TestNuHeat(unittest.TestCase):
     """Tests for NuHeat climate."""
+    # pylint: disable=protected-access, no-self-use
 
     def setUp(self):
 
@@ -41,6 +42,25 @@ class TestNuHeat(unittest.TestCase):
         self.thermostat = nuheat.NuHeatThermostat(
             api, serial_number, temperature_unit)
 
+    @patch("homeassistant.components.climate.nuheat.NuHeatThermostat")
+    def test_setup_platform(self, mocked_thermostat):
+        """Test setup_platform."""
+        api = Mock()
+        data = {"nuheat": (api, ["12345"])}
+
+        hass = Mock()
+        hass.config.units.temperature_unit.return_value = "F"
+        hass.data = Mock()
+        hass.data.__getitem__ = Mock(side_effect=data.__getitem__)
+
+        config = {}
+        add_devices = Mock()
+        discovery_info = {}
+
+        nuheat.setup_platform(hass, config, add_devices, discovery_info)
+        thermostats = [mocked_thermostat(api, "12345", "F")]
+        add_devices.assert_called_once_with(thermostats, True)
+
     def test_name(self):
         """Test name property."""
         self.assertEqual(self.thermostat.name, "Master bathroom")
@@ -48,42 +68,36 @@ class TestNuHeat(unittest.TestCase):
     def test_temperature_unit(self):
         """Test temperature unit."""
         self.assertEqual(self.thermostat.temperature_unit, TEMP_FAHRENHEIT)
-
         self.thermostat._temperature_unit = "C"
         self.assertEqual(self.thermostat.temperature_unit, TEMP_CELSIUS)
 
     def test_current_temperature(self):
         """Test current temperature."""
         self.assertEqual(self.thermostat.current_temperature, 72)
-
         self.thermostat._temperature_unit = "C"
         self.assertEqual(self.thermostat.current_temperature, 22)
 
     def test_current_operation(self):
         """Test current operation."""
         self.assertEqual(self.thermostat.current_operation, STATE_HEAT)
-
         self.thermostat._thermostat.heating = False
         self.assertEqual(self.thermostat.current_operation, STATE_IDLE)
 
     def test_min_temp(self):
         """Test min temp."""
         self.assertEqual(self.thermostat.min_temp, 41)
-
         self.thermostat._temperature_unit = "C"
         self.assertEqual(self.thermostat.min_temp, 5)
 
     def test_max_temp(self):
         """Test max temp."""
         self.assertEqual(self.thermostat.max_temp, 157)
-
         self.thermostat._temperature_unit = "C"
         self.assertEqual(self.thermostat.max_temp, 69)
 
     def test_target_temperature(self):
         """Test target temperature."""
         self.assertEqual(self.thermostat.target_temperature, 72)
-
         self.thermostat._temperature_unit = "C"
         self.assertEqual(self.thermostat.target_temperature, 22)
 
@@ -91,14 +105,12 @@ class TestNuHeat(unittest.TestCase):
     def test_target_temperature_low(self):
         """Test low target temperature."""
         self.assertEqual(self.thermostat.target_temperature_low, 72)
-
         self.thermostat._temperature_unit = "C"
         self.assertEqual(self.thermostat.target_temperature_low, 22)
 
     def test_target_temperature_high(self):
         """Test high target temperature."""
         self.assertEqual(self.thermostat.target_temperature_high, 72)
-
         self.thermostat._temperature_unit = "C"
         self.assertEqual(self.thermostat.target_temperature_high, 22)
 
@@ -143,7 +155,7 @@ class TestNuHeat(unittest.TestCase):
     @patch.object(
         nuheat.NuHeatThermostat, "is_away_mode_on", new_callable=PropertyMock)
     @patch.object(nuheat.NuHeatThermostat, "set_temperature")
-    def test_turn_away_mode_on_while_home(self, set_temp, is_away_mode_on):
+    def test_turn_away_mode_on_home(self, set_temp, is_away_mode_on):
         """Test turn away mode on when not away."""
         is_away_mode_on.return_value = False
         self.thermostat.turn_away_mode_on()
@@ -153,7 +165,7 @@ class TestNuHeat(unittest.TestCase):
     @patch.object(
         nuheat.NuHeatThermostat, "is_away_mode_on", new_callable=PropertyMock)
     @patch.object(nuheat.NuHeatThermostat, "set_temperature")
-    def test_turn_away_mode_on_while_away(self, set_temp, is_away_mode_on):
+    def test_turn_away_mode_on_away(self, set_temp, is_away_mode_on):
         """Test turn away mode on when away."""
         is_away_mode_on.return_value = True
         self.thermostat.turn_away_mode_on()