Embed all platforms into components (#20677)

* Consolidate all components with platforms

* Organize tests

* Fix more tests

* Fix Verisure tests

* one final test fix

* Add change

* Fix coverage

homeassistant/components/lightwave/switch.py

@@ -0,0 +1,65 @@
+"""
+Implements LightwaveRF switches.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/switch.lightwave/
+"""
+from homeassistant.components.lightwave import LIGHTWAVE_LINK
+from homeassistant.components.switch import SwitchDevice
+from homeassistant.const import CONF_NAME
+
+DEPENDENCIES = ['lightwave']
+
+
+async def async_setup_platform(hass, config, async_add_entities,
+                               discovery_info=None):
+    """Find and return LightWave switches."""
+    if not discovery_info:
+        return
+
+    switches = []
+    lwlink = hass.data[LIGHTWAVE_LINK]
+
+    for device_id, device_config in discovery_info.items():
+        name = device_config[CONF_NAME]
+        switches.append(LWRFSwitch(name, device_id, lwlink))
+
+    async_add_entities(switches)
+
+
+class LWRFSwitch(SwitchDevice):
+    """Representation of a LightWaveRF switch."""
+
+    def __init__(self, name, device_id, lwlink):
+        """Initialize LWRFSwitch entity."""
+        self._name = name
+        self._device_id = device_id
+        self._state = None
+        self._lwlink = lwlink
+
+    @property
+    def should_poll(self):
+        """No polling needed for a LightWave light."""
+        return False
+
+    @property
+    def name(self):
+        """Lightwave switch name."""
+        return self._name
+
+    @property
+    def is_on(self):
+        """Lightwave switch is on state."""
+        return self._state
+
+    async def async_turn_on(self, **kwargs):
+        """Turn the LightWave switch on."""
+        self._state = True
+        self._lwlink.turn_on_switch(self._device_id, self._name)
+        self.async_schedule_update_ha_state()
+
+    async def async_turn_off(self, **kwargs):
+        """Turn the LightWave switch off."""
+        self._state = False
+        self._lwlink.turn_off(self._device_id, self._name)
+        self.async_schedule_update_ha_state()