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/binary_sensor.py

@@ -0,0 +1,101 @@
+"""
+Support for Envisalink zone states- represented as binary sensors.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/binary_sensor.envisalink/
+"""
+import logging
+import datetime
+
+from homeassistant.core import callback
+from homeassistant.helpers.dispatcher import async_dispatcher_connect
+from homeassistant.components.binary_sensor import BinarySensorDevice
+from homeassistant.components.envisalink import (
+    DATA_EVL, ZONE_SCHEMA, CONF_ZONENAME, CONF_ZONETYPE, EnvisalinkDevice,
+    SIGNAL_ZONE_UPDATE)
+from homeassistant.const import ATTR_LAST_TRIP_TIME
+from homeassistant.util import dt as dt_util
+
+_LOGGER = logging.getLogger(__name__)
+
+DEPENDENCIES = ['envisalink']
+
+
+async def async_setup_platform(hass, config, async_add_entities,
+                               discovery_info=None):
+    """Set up the Envisalink binary sensor devices."""
+    configured_zones = discovery_info['zones']
+
+    devices = []
+    for zone_num in configured_zones:
+        device_config_data = ZONE_SCHEMA(configured_zones[zone_num])
+        device = EnvisalinkBinarySensor(
+            hass,
+            zone_num,
+            device_config_data[CONF_ZONENAME],
+            device_config_data[CONF_ZONETYPE],
+            hass.data[DATA_EVL].alarm_state['zone'][zone_num],
+            hass.data[DATA_EVL]
+        )
+        devices.append(device)
+
+    async_add_entities(devices)
+
+
+class EnvisalinkBinarySensor(EnvisalinkDevice, BinarySensorDevice):
+    """Representation of an Envisalink binary sensor."""
+
+    def __init__(self, hass, zone_number, zone_name, zone_type, info,
+                 controller):
+        """Initialize the binary_sensor."""
+        self._zone_type = zone_type
+        self._zone_number = zone_number
+
+        _LOGGER.debug('Setting up zone: %s', zone_name)
+        super().__init__(zone_name, info, controller)
+
+    async def async_added_to_hass(self):
+        """Register callbacks."""
+        async_dispatcher_connect(
+            self.hass, SIGNAL_ZONE_UPDATE, self._update_callback)
+
+    @property
+    def device_state_attributes(self):
+        """Return the state attributes."""
+        attr = {}
+
+        # The Envisalink library returns a "last_fault" value that's the
+        # number of seconds since the last fault, up to a maximum of 327680
+        # seconds (65536 5-second ticks).
+        #
+        # We don't want the HA event log to fill up with a bunch of no-op
+        # "state changes" that are just that number ticking up once per poll
+        # interval, so we subtract it from the current second-accurate time
+        # unless it is already at the maximum value, in which case we set it
+        # to None since we can't determine the actual value.
+        seconds_ago = self._info['last_fault']
+        if seconds_ago < 65536 * 5:
+            now = dt_util.now().replace(microsecond=0)
+            delta = datetime.timedelta(seconds=seconds_ago)
+            last_trip_time = (now - delta).isoformat()
+        else:
+            last_trip_time = None
+
+        attr[ATTR_LAST_TRIP_TIME] = last_trip_time
+        return attr
+
+    @property
+    def is_on(self):
+        """Return true if sensor is on."""
+        return self._info['status']['open']
+
+    @property
+    def device_class(self):
+        """Return the class of this sensor, from DEVICE_CLASSES."""
+        return self._zone_type
+
+    @callback
+    def _update_callback(self, zone):
+        """Update the zone's state, if needed."""
+        if zone is None or int(zone) == self._zone_number:
+            self.async_schedule_update_ha_state()