Consolidate all platforms that have no tests (#22096)

* Consolidate

* Fix tests

* Update imports

* Fix import

* Use importlib because integration and package share name

* Fix more tests

* Update .coveragerc and CODEOWNERS

homeassistant/components/switchmate/switch.py

@@ -0,0 +1,81 @@
+"""
+Support for Switchmate.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/switch.switchmate/
+"""
+import logging
+from datetime import timedelta
+
+import voluptuous as vol
+
+import homeassistant.helpers.config_validation as cv
+from homeassistant.components.switch import SwitchDevice, PLATFORM_SCHEMA
+from homeassistant.const import CONF_NAME, CONF_MAC
+
+REQUIREMENTS = ['pySwitchmate==0.4.5']
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_FLIP_ON_OFF = 'flip_on_off'
+DEFAULT_NAME = 'Switchmate'
+
+SCAN_INTERVAL = timedelta(minutes=30)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_MAC): cv.string,
+    vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
+    vol.Optional(CONF_FLIP_ON_OFF, default=False): cv.boolean,
+})
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None) -> None:
+    """Perform the setup for Switchmate devices."""
+    name = config.get(CONF_NAME)
+    mac_addr = config[CONF_MAC]
+    flip_on_off = config[CONF_FLIP_ON_OFF]
+    add_entities([SwitchmateEntity(mac_addr, name, flip_on_off)], True)
+
+
+class SwitchmateEntity(SwitchDevice):
+    """Representation of a Switchmate."""
+
+    def __init__(self, mac, name, flip_on_off) -> None:
+        """Initialize the Switchmate."""
+        # pylint: disable=import-error, no-member, no-value-for-parameter
+        import switchmate
+        self._mac = mac
+        self._name = name
+        self._device = switchmate.Switchmate(mac=mac, flip_on_off=flip_on_off)
+
+    @property
+    def unique_id(self) -> str:
+        """Return a unique, HASS-friendly identifier for this entity."""
+        return self._mac.replace(':', '')
+
+    @property
+    def available(self) -> bool:
+        """Return True if entity is available."""
+        return self._device.available
+
+    @property
+    def name(self) -> str:
+        """Return the name of the switch."""
+        return self._name
+
+    def update(self) -> None:
+        """Synchronize state with switch."""
+        self._device.update()
+
+    @property
+    def is_on(self) -> bool:
+        """Return true if it is on."""
+        return self._device.state
+
+    def turn_on(self, **kwargs) -> None:
+        """Turn the switch on."""
+        self._device.turn_on()
+
+    def turn_off(self, **kwargs) -> None:
+        """Turn the switch off."""
+        self._device.turn_off()