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/ads/binary_sensor.py

@@ -0,0 +1,82 @@
+"""
+Support for ADS binary sensors.
+
+For more details about this platform, please refer to the documentation.
+https://home-assistant.io/components/binary_sensor.ads/
+"""
+import logging
+
+import voluptuous as vol
+
+from homeassistant.components.ads import CONF_ADS_VAR, DATA_ADS
+from homeassistant.components.binary_sensor import (
+    DEVICE_CLASSES_SCHEMA, PLATFORM_SCHEMA, BinarySensorDevice)
+from homeassistant.const import CONF_DEVICE_CLASS, CONF_NAME
+import homeassistant.helpers.config_validation as cv
+
+_LOGGER = logging.getLogger(__name__)
+
+DEFAULT_NAME = 'ADS binary sensor'
+DEPENDENCIES = ['ads']
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_ADS_VAR): cv.string,
+    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+    vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
+})
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Set up the Binary Sensor platform for ADS."""
+    ads_hub = hass.data.get(DATA_ADS)
+
+    ads_var = config.get(CONF_ADS_VAR)
+    name = config.get(CONF_NAME)
+    device_class = config.get(CONF_DEVICE_CLASS)
+
+    ads_sensor = AdsBinarySensor(ads_hub, name, ads_var, device_class)
+    add_entities([ads_sensor])
+
+
+class AdsBinarySensor(BinarySensorDevice):
+    """Representation of ADS binary sensors."""
+
+    def __init__(self, ads_hub, name, ads_var, device_class):
+        """Initialize ADS binary sensor."""
+        self._name = name
+        self._state = False
+        self._device_class = device_class or 'moving'
+        self._ads_hub = ads_hub
+        self.ads_var = ads_var
+
+    async def async_added_to_hass(self):
+        """Register device notification."""
+        def update(name, value):
+            """Handle device notifications."""
+            _LOGGER.debug('Variable %s changed its value to %d', name, value)
+            self._state = value
+            self.schedule_update_ha_state()
+
+        self.hass.async_add_job(
+            self._ads_hub.add_device_notification,
+            self.ads_var, self._ads_hub.PLCTYPE_BOOL, update)
+
+    @property
+    def name(self):
+        """Return the default name of the binary sensor."""
+        return self._name
+
+    @property
+    def device_class(self):
+        """Return the device class."""
+        return self._device_class
+
+    @property
+    def is_on(self):
+        """Return if the binary sensor is on."""
+        return self._state
+
+    @property
+    def should_poll(self):
+        """Return False because entity pushes its state to HA."""
+        return False