Remove service helper (5) (#16917)

* Update switch

* Update script

* Update light

* Fix tests

* Fix config/script hook

* Async_create_task

* Fix flux switch

tests/components/switch/common.py

@@ -0,0 +1,39 @@
+"""Collection of helper methods.
+
+All containing methods are legacy helpers that should not be used by new
+components. Instead call the service directly.
+"""
+from homeassistant.components.switch import DOMAIN
+from homeassistant.const import (
+    ATTR_ENTITY_ID, SERVICE_TURN_OFF, SERVICE_TURN_ON)
+from homeassistant.core import callback
+from homeassistant.loader import bind_hass
+
+
+@bind_hass
+def turn_on(hass, entity_id=None):
+    """Turn all or specified switch on."""
+    hass.add_job(async_turn_on, hass, entity_id)
+
+
+@callback
+@bind_hass
+def async_turn_on(hass, entity_id=None):
+    """Turn all or specified switch on."""
+    data = {ATTR_ENTITY_ID: entity_id} if entity_id else None
+    hass.async_add_job(hass.services.async_call(DOMAIN, SERVICE_TURN_ON, data))
+
+
+@bind_hass
+def turn_off(hass, entity_id=None):
+    """Turn all or specified switch off."""
+    hass.add_job(async_turn_off, hass, entity_id)
+
+
+@callback
+@bind_hass
+def async_turn_off(hass, entity_id=None):
+    """Turn all or specified switch off."""
+    data = {ATTR_ENTITY_ID: entity_id} if entity_id else None
+    hass.async_add_job(
+        hass.services.async_call(DOMAIN, SERVICE_TURN_OFF, data))