Support CO2/PM2.5/Light sensors in HomeKit (#13804)

* Support co2/light/air sensor in HomeKit
* Add tests
* Added tests
* changed device_class lux to light

tests/components/homekit/test_util.py

@@ -2,13 +2,15 @@
 import unittest
 
 import voluptuous as vol
+import pytest
 
 from homeassistant.core import callback
 from homeassistant.components.homekit.accessories import HomeBridge
 from homeassistant.components.homekit.const import HOMEKIT_NOTIFY_ID
 from homeassistant.components.homekit.util import (
     show_setup_message, dismiss_setup_message, convert_to_float,
-    temperature_to_homekit, temperature_to_states, ATTR_CODE)
+    temperature_to_homekit, temperature_to_states, ATTR_CODE,
+    density_to_air_quality)
 from homeassistant.components.homekit.util import validate_entity_config \
     as vec
 from homeassistant.components.persistent_notification import (
@@ -20,6 +22,52 @@ from homeassistant.const import (
 from tests.common import get_test_home_assistant
 
 
+def test_validate_entity_config():
+    """Test validate entities."""
+    configs = [{'invalid_entity_id': {}}, {'demo.test': 1},
+               {'demo.test': 'test'}, {'demo.test': [1, 2]},
+               {'demo.test': None}]
+
+    for conf in configs:
+        with pytest.raises(vol.Invalid):
+            vec(conf)
+
+    assert vec({}) == {}
+    assert vec({'alarm_control_panel.demo': {ATTR_CODE: '1234'}}) == \
+        {'alarm_control_panel.demo': {ATTR_CODE: '1234'}}
+
+
+def test_convert_to_float():
+    """Test convert_to_float method."""
+    assert convert_to_float(12) == 12
+    assert convert_to_float(12.4) == 12.4
+    assert convert_to_float(STATE_UNKNOWN) is None
+    assert convert_to_float(None) is None
+
+
+def test_temperature_to_homekit():
+    """Test temperature conversion from HA to HomeKit."""
+    assert temperature_to_homekit(20.46, TEMP_CELSIUS) == 20.5
+    assert temperature_to_homekit(92.1, TEMP_FAHRENHEIT) == 33.4
+
+
+def test_temperature_to_states():
+    """Test temperature conversion from HomeKit to HA."""
+    assert temperature_to_states(20, TEMP_CELSIUS) == 20.0
+    assert temperature_to_states(20.2, TEMP_FAHRENHEIT) == 68.4
+
+
+def test_density_to_air_quality():
+    """Test map PM2.5 density to HomeKit AirQuality level."""
+    assert density_to_air_quality(0) == 1
+    assert density_to_air_quality(35) == 1
+    assert density_to_air_quality(35.1) == 2
+    assert density_to_air_quality(75) == 2
+    assert density_to_air_quality(115) == 3
+    assert density_to_air_quality(150) == 4
+    assert density_to_air_quality(300) == 5
+
+
 class TestUtil(unittest.TestCase):
     """Test all HomeKit util methods."""
 
@@ -39,21 +87,6 @@ class TestUtil(unittest.TestCase):
         """Stop down everything that was started."""
         self.hass.stop()
 
-    def test_validate_entity_config(self):
-        """Test validate entities."""
-        configs = [{'invalid_entity_id': {}}, {'demo.test': 1},
-                   {'demo.test': 'test'}, {'demo.test': [1, 2]},
-                   {'demo.test': None}]
-
-        for conf in configs:
-            with self.assertRaises(vol.Invalid):
-                vec(conf)
-
-        self.assertEqual(vec({}), {})
-        self.assertEqual(
-            vec({'alarm_control_panel.demo': {ATTR_CODE: '1234'}}),
-            {'alarm_control_panel.demo': {ATTR_CODE: '1234'}})
-
     def test_show_setup_msg(self):
         """Test show setup message as persistence notification."""
         bridge = HomeBridge(self.hass)
@@ -83,20 +116,3 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(
             data[ATTR_SERVICE_DATA].get(ATTR_NOTIFICATION_ID, None),
             HOMEKIT_NOTIFY_ID)
-
-    def test_convert_to_float(self):
-        """Test convert_to_float method."""
-        self.assertEqual(convert_to_float(12), 12)
-        self.assertEqual(convert_to_float(12.4), 12.4)
-        self.assertIsNone(convert_to_float(STATE_UNKNOWN))
-        self.assertIsNone(convert_to_float(None))
-
-    def test_temperature_to_homekit(self):
-        """Test temperature conversion from HA to HomeKit."""
-        self.assertEqual(temperature_to_homekit(20.46, TEMP_CELSIUS), 20.5)
-        self.assertEqual(temperature_to_homekit(92.1, TEMP_FAHRENHEIT), 33.4)
-
-    def test_temperature_to_states(self):
-        """Test temperature conversion from HomeKit to HA."""
-        self.assertEqual(temperature_to_states(20, TEMP_CELSIUS), 20.0)
-        self.assertEqual(temperature_to_states(20.2, TEMP_FAHRENHEIT), 68.4)