Add entity_namespace to PLATFORM_SCHEMA (#20693)

* Add entity_namespace to base platform schema

* Add test

* Fix

homeassistant/helpers/config_validation.py

@@ -16,7 +16,7 @@ from homeassistant.const import (
     CONF_ALIAS, CONF_ENTITY_ID, CONF_VALUE_TEMPLATE, WEEKDAYS,
     CONF_CONDITION, CONF_BELOW, CONF_ABOVE, CONF_TIMEOUT, SUN_EVENT_SUNSET,
     SUN_EVENT_SUNRISE, CONF_UNIT_SYSTEM_IMPERIAL, CONF_UNIT_SYSTEM_METRIC,
-    ENTITY_MATCH_ALL)
+    ENTITY_MATCH_ALL, CONF_ENTITY_NAMESPACE)
 from homeassistant.core import valid_entity_id, split_entity_id
 from homeassistant.exceptions import TemplateError
 import homeassistant.util.dt as dt_util
@@ -554,12 +554,14 @@ def key_dependency(key, dependency):
 
 PLATFORM_SCHEMA = vol.Schema({
     vol.Required(CONF_PLATFORM): string,
+    vol.Optional(CONF_ENTITY_NAMESPACE): string,
     vol.Optional(CONF_SCAN_INTERVAL): time_period
 }, extra=vol.ALLOW_EXTRA)
 
 # This will replace PLATFORM_SCHEMA once all base components are updated
 PLATFORM_SCHEMA_2 = vol.Schema({
     vol.Required(CONF_PLATFORM): string,
+    vol.Optional(CONF_ENTITY_NAMESPACE): string,
     vol.Optional(CONF_SCAN_INTERVAL): time_period
 })
 

tests/test_setup.py

@@ -259,6 +259,7 @@ class TestSetup:
             assert setup.setup_component(self.hass, 'platform_conf', {
                 'platform_conf': {
                     # fail: no extra keys allowed
+                    'platform': 'whatever',
                     'hello': 'world',
                     'invalid': 'extra',
                 }
@@ -284,6 +285,34 @@ class TestSetup:
         self.hass.data.pop(setup.DATA_SETUP)
         self.hass.config.components.remove('platform_conf')
 
+    def test_validate_platform_config_4(self):
+        """Test entity_namespace in PLATFORM_SCHEMA."""
+        component_schema = PLATFORM_SCHEMA_BASE
+        platform_schema = PLATFORM_SCHEMA
+        loader.set_component(
+            self.hass,
+            'platform_conf',
+            MockModule('platform_conf',
+                       platform_schema_base=component_schema))
+
+        loader.set_component(
+            self.hass,
+            'platform_conf.whatever',
+            MockPlatform('whatever',
+                         platform_schema=platform_schema))
+
+        with assert_setup_component(1):
+            assert setup.setup_component(self.hass, 'platform_conf', {
+                'platform_conf': {
+                    # pass: entity_namespace accepted by PLATFORM_SCHEMA
+                    'platform': 'whatever',
+                    'entity_namespace': 'yummy',
+                }
+            })
+
+        self.hass.data.pop(setup.DATA_SETUP)
+        self.hass.config.components.remove('platform_conf')
+
     def test_component_not_found(self):
         """setup_component should not crash if component doesn't exist."""
         assert not setup.setup_component(self.hass, 'non_existing')