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/envisalink/sensor.py

@@ -0,0 +1,78 @@
+"""
+Support for Envisalink sensors (shows panel info).
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/sensor.envisalink/
+"""
+import logging
+
+from homeassistant.core import callback
+from homeassistant.helpers.dispatcher import async_dispatcher_connect
+from homeassistant.components.envisalink import (
+    DATA_EVL, PARTITION_SCHEMA, CONF_PARTITIONNAME, EnvisalinkDevice,
+    SIGNAL_KEYPAD_UPDATE, SIGNAL_PARTITION_UPDATE)
+from homeassistant.helpers.entity import Entity
+
+_LOGGER = logging.getLogger(__name__)
+
+DEPENDENCIES = ['envisalink']
+
+
+async def async_setup_platform(hass, config, async_add_entities,
+                               discovery_info=None):
+    """Perform the setup for Envisalink sensor devices."""
+    configured_partitions = discovery_info['partitions']
+
+    devices = []
+    for part_num in configured_partitions:
+        device_config_data = PARTITION_SCHEMA(configured_partitions[part_num])
+        device = EnvisalinkSensor(
+            hass,
+            device_config_data[CONF_PARTITIONNAME],
+            part_num,
+            hass.data[DATA_EVL].alarm_state['partition'][part_num],
+            hass.data[DATA_EVL])
+        devices.append(device)
+
+    async_add_entities(devices)
+
+
+class EnvisalinkSensor(EnvisalinkDevice, Entity):
+    """Representation of an Envisalink keypad."""
+
+    def __init__(self, hass, partition_name, partition_number, info,
+                 controller):
+        """Initialize the sensor."""
+        self._icon = 'mdi:alarm'
+        self._partition_number = partition_number
+
+        _LOGGER.debug("Setting up sensor for partition: %s", partition_name)
+        super().__init__(partition_name + ' Keypad', info, controller)
+
+    async def async_added_to_hass(self):
+        """Register callbacks."""
+        async_dispatcher_connect(
+            self.hass, SIGNAL_KEYPAD_UPDATE, self._update_callback)
+        async_dispatcher_connect(
+            self.hass, SIGNAL_PARTITION_UPDATE, self._update_callback)
+
+    @property
+    def icon(self):
+        """Return the icon if any."""
+        return self._icon
+
+    @property
+    def state(self):
+        """Return the overall state."""
+        return self._info['status']['alpha']
+
+    @property
+    def device_state_attributes(self):
+        """Return the state attributes."""
+        return self._info['status']
+
+    @callback
+    def _update_callback(self, partition):
+        """Update the partition state in HA, if needed."""
+        if partition is None or int(partition) == self._partition_number:
+            self.async_schedule_update_ha_state()