Refactor template components to extract common routines (#27064)

* Added availability_template to Template Cover platform

* Added availability_template to Template Binary Sensor platform

* Added availability_template to Template Fan platform

* Added availability_template to Template Light platform

* Added availability_template to Template Sensor platform

* Added availability_template to Template Switch platform

* Added availability_template to Template Vacuum platform

* Added availability_template to Template Lock platform

* Added to test for invalid values in availability_template

* Black and Lint fix

* black formatting

* Added to test for invalid values in availability_template

* black

* Added to test for invalid values in availability_template

* Added to test for invalid values in availability_template

* simplified exception handler

* Fixed Entity discovery big and coverage

* Added to test for invalid values in availability_template

* flake8

* fixed component ID in test

* Added to test for invalid values in availability_template

* Added to test for invalid values in availability_template

* Made availability_template redering erorr more concise

* Cleaned template setup

* I'll remember to run black every time one of these days...

* Refactored Template initialisation

* Refactored Template initialisation

* Updated AVAILABILITY_TEMPLATE Rendering error

* Updated AVAILABILITY_TEMPLATE Rendering error

* Updated AVAILABILITY_TEMPLATE Rendering error

* Updated AVAILABILITY_TEMPLATE Rendering error

* Updated AVAILABILITY_TEMPLATE Rendering error

* Updated AVAILABILITY_TEMPLATE Rendering error

* Updated AVAILABILITY_TEMPLATE Rendering error

* Updated AVAILABILITY_TEMPLATE Rendering error

* Moved const to package Const.py

* Moved const to package Const.py

* Moved const to package Const.py

* Moved const to package Const.py

* Moved const to package Const.py

* Moved const to package Const.py

* Moved const to package Const.py

* Moved const to package Const.py

* Fix import order (pylint)

* Fix import order (pylint)

* Fix import order (pylint)

* Fix import order (pylint)

* Fix import order (pylint)

* Fix import order (pylint)

* Fix import order (pylint)

* Fixed linting issues

* Moved availability_template rendering to common loop

* Moved availability_template rendering to common loop

* Moved availability_template rendering to common loop

* Moved availability_template rendering to common loop

* Removed 'Magic' string

* Removed 'Magic' string and removed duplicate code

* Removed 'Magic' string

* Removed 'Magic' string

* Brought contant into line

* Refactored availability_tempalte rendering to common loop

* Removed 'Magic' string

* Cleaned up const and compare lowercase result to 'true'

* Cleaned up const and compare lowercase result to 'true'

* Cleaned up const and compare lowercase result to 'true'

* Cleaned up const and compare lowercase result to 'true'

* Cleaned up const and compare lowercase result to 'true'

* Cleaned up const and compare lowercase result to 'true'

* Cleaned up const and compare lowercase result to 'true'

* reverted _available back to boolean

* reverted _available back to boolean

* reverted _available back to boolean

* reverted _available back to boolean

* reverted _available back to boolean

* reverted _available back to boolean

* reverted _available back to boolean

* Fixed tests (magic values and state checks)

* Fixed tests (magic values and state checks)

* Fixed tests (async, magic values and state checks)

* Fixed tests (async, magic values and state checks)

* Fixed tests (async, magic values and state checks)

* Fixed tests (async, magic values and state checks)

* Fixed tests (async, magic values and state checks)

* Removed duplicate

* Clean up and remove debug

* Reverted Dev Container Change

tests/components/template/test_lock.py

@@ -254,10 +254,9 @@ class TestTemplateLock:
         assert state.state == lock.STATE_UNLOCKED
 
         assert (
-            "Template lock 'Template Lock' has no entity ids configured "
-            "to track nor were we able to extract the entities to track "
-            "from the 'value_template' template. This entity will only "
-            "be able to be updated manually."
+            "Template lock 'Template Lock' has no entity ids configured to track "
+            "nor were we able to extract the entities to track from the value "
+            "template(s). This entity will only be able to be updated manually"
         ) in caplog.text
 
         self.hass.states.set("lock.template_lock", lock.STATE_LOCKED)
@@ -343,7 +342,7 @@ async def test_available_template_with_entities(hass):
         {
             "lock": {
                 "platform": "template",
-                "value_template": "{{ 'on' }}",
+                "value_template": "{{ states('switch.test_state') }}",
                 "lock": {"service": "switch.turn_on", "entity_id": "switch.test_state"},
                 "unlock": {
                     "service": "switch.turn_off",