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/arduino/switch.py

@@ -0,0 +1,94 @@
+"""
+Support for switching Arduino pins on and off.
+
+So far only digital pins are supported.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/switch.arduino/
+"""
+import logging
+
+import voluptuous as vol
+
+from homeassistant.components import arduino
+from homeassistant.components.switch import (SwitchDevice, PLATFORM_SCHEMA)
+from homeassistant.const import CONF_NAME
+import homeassistant.helpers.config_validation as cv
+
+DEPENDENCIES = ['arduino']
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_PINS = 'pins'
+CONF_TYPE = 'digital'
+CONF_NEGATE = 'negate'
+CONF_INITIAL = 'initial'
+
+PIN_SCHEMA = vol.Schema({
+    vol.Required(CONF_NAME): cv.string,
+    vol.Optional(CONF_INITIAL, default=False): cv.boolean,
+    vol.Optional(CONF_NEGATE, default=False): cv.boolean,
+})
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_PINS, default={}):
+        vol.Schema({cv.positive_int: PIN_SCHEMA}),
+})
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Set up the Arduino platform."""
+    # Verify that Arduino board is present
+    if arduino.BOARD is None:
+        _LOGGER.error("A connection has not been made to the Arduino board")
+        return False
+
+    pins = config.get(CONF_PINS)
+
+    switches = []
+    for pinnum, pin in pins.items():
+        switches.append(ArduinoSwitch(pinnum, pin))
+    add_entities(switches)
+
+
+class ArduinoSwitch(SwitchDevice):
+    """Representation of an Arduino switch."""
+
+    def __init__(self, pin, options):
+        """Initialize the Pin."""
+        self._pin = pin
+        self._name = options.get(CONF_NAME)
+        self.pin_type = CONF_TYPE
+        self.direction = 'out'
+
+        self._state = options.get(CONF_INITIAL)
+
+        if options.get(CONF_NEGATE):
+            self.turn_on_handler = arduino.BOARD.set_digital_out_low
+            self.turn_off_handler = arduino.BOARD.set_digital_out_high
+        else:
+            self.turn_on_handler = arduino.BOARD.set_digital_out_high
+            self.turn_off_handler = arduino.BOARD.set_digital_out_low
+
+        arduino.BOARD.set_mode(self._pin, self.direction, self.pin_type)
+        (self.turn_on_handler if self._state else self.turn_off_handler)(pin)
+
+    @property
+    def name(self):
+        """Get the name of the pin."""
+        return self._name
+
+    @property
+    def is_on(self):
+        """Return true if pin is high/on."""
+        return self._state
+
+    def turn_on(self, **kwargs):
+        """Turn the pin to high/on."""
+        self._state = True
+        self.turn_on_handler(self._pin)
+
+    def turn_off(self, **kwargs):
+        """Turn the pin to low/off."""
+        self._state = False
+        self.turn_off_handler(self._pin)