Allow input_* and timer component setup without config (#30772)

* Allow input_boolean setup without config.

* Allow input_number setup without config.

* Allow input_select setup without config.

* Allow input_text setup without config.

* Allow timer setup without config.

homeassistant/components/input_boolean/__init__.py

@@ -105,7 +105,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
     )
 
     await yaml_collection.async_load(
-        [{CONF_ID: id_, **(conf or {})} for id_, conf in config[DOMAIN].items()]
+        [{CONF_ID: id_, **(conf or {})} for id_, conf in config.get(DOMAIN, {}).items()]
     )
     await storage_collection.async_load()
 
@@ -132,7 +132,10 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
         if conf is None:
             return
         await yaml_collection.async_load(
-            [{CONF_ID: id_, **(conf or {})} for id_, conf in conf[DOMAIN].items()]
+            [
+                {CONF_ID: id_, **(conf or {})}
+                for id_, conf in conf.get(DOMAIN, {}).items()
+            ]
         )
 
     homeassistant.helpers.service.async_register_admin_service(

homeassistant/components/input_number/__init__.py

@@ -105,7 +105,6 @@ CONFIG_SCHEMA = vol.Schema(
             )
         )
     },
-    required=True,
     extra=vol.ALLOW_EXTRA,
 )
 RELOAD_SERVICE_SCHEMA = vol.Schema({})
@@ -135,7 +134,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
     )
 
     await yaml_collection.async_load(
-        [{CONF_ID: id_, **(conf or {})} for id_, conf in config[DOMAIN].items()]
+        [{CONF_ID: id_, **(conf or {})} for id_, conf in config.get(DOMAIN, {}).items()]
     )
     await storage_collection.async_load()
 
@@ -162,7 +161,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
         if conf is None:
             conf = {DOMAIN: {}}
         await yaml_collection.async_load(
-            [{CONF_ID: id_, **conf} for id_, conf in conf[DOMAIN].items()]
+            [{CONF_ID: id_, **conf} for id_, conf in conf.get(DOMAIN, {}).items()]
         )
 
     homeassistant.helpers.service.async_register_admin_service(

homeassistant/components/input_select/__init__.py

@@ -81,7 +81,6 @@ CONFIG_SCHEMA = vol.Schema(
             )
         )
     },
-    required=True,
     extra=vol.ALLOW_EXTRA,
 )
 RELOAD_SERVICE_SCHEMA = vol.Schema({})
@@ -109,7 +108,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
     )
 
     await yaml_collection.async_load(
-        [{CONF_ID: id_, **cfg} for id_, cfg in config[DOMAIN].items()]
+        [{CONF_ID: id_, **cfg} for id_, cfg in config.get(DOMAIN, {}).items()]
     )
     await storage_collection.async_load()
 
@@ -136,7 +135,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
         if conf is None:
             conf = {DOMAIN: {}}
         await yaml_collection.async_load(
-            [{CONF_ID: id_, **cfg} for id_, cfg in conf[DOMAIN].items()]
+            [{CONF_ID: id_, **cfg} for id_, cfg in conf.get(DOMAIN, {}).items()]
         )
 
     homeassistant.helpers.service.async_register_admin_service(

homeassistant/components/input_text/__init__.py

@@ -109,7 +109,6 @@ CONFIG_SCHEMA = vol.Schema(
             )
         )
     },
-    required=True,
     extra=vol.ALLOW_EXTRA,
 )
 RELOAD_SERVICE_SCHEMA = vol.Schema({})
@@ -137,7 +136,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
     )
 
     await yaml_collection.async_load(
-        [{CONF_ID: id_, **(conf or {})} for id_, conf in config[DOMAIN].items()]
+        [{CONF_ID: id_, **(conf or {})} for id_, conf in config.get(DOMAIN, {}).items()]
     )
     await storage_collection.async_load()
 
@@ -164,7 +163,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
         if conf is None:
             conf = {DOMAIN: {}}
         await yaml_collection.async_load(
-            [{CONF_ID: id_, **(cfg or {})} for id_, cfg in conf[DOMAIN].items()]
+            [{CONF_ID: id_, **(cfg or {})} for id_, cfg in conf.get(DOMAIN, {}).items()]
         )
 
     homeassistant.helpers.service.async_register_admin_service(

homeassistant/components/timer/__init__.py

@@ -111,7 +111,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
     collection.attach_entity_component_collection(component, storage_collection, Timer)
 
     await yaml_collection.async_load(
-        [{CONF_ID: id_, **cfg} for id_, cfg in config[DOMAIN].items()]
+        [{CONF_ID: id_, **cfg} for id_, cfg in config.get(DOMAIN, {}).items()]
     )
     await storage_collection.async_load()
 
@@ -138,7 +138,7 @@ async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
         if conf is None:
             conf = {DOMAIN: {}}
         await yaml_collection.async_load(
-            [{CONF_ID: id_, **cfg} for id_, cfg in conf[DOMAIN].items()]
+            [{CONF_ID: id_, **cfg} for id_, cfg in conf.get(DOMAIN, {}).items()]
         )
 
     homeassistant.helpers.service.async_register_admin_service(

tests/components/input_boolean/test_init.py

@@ -333,3 +333,22 @@ async def test_ws_delete(hass, hass_ws_client, storage_setup):
     state = hass.states.get(input_entity_id)
     assert state is None
     assert ent_reg.async_get_entity_id(DOMAIN, DOMAIN, input_id) is None
+
+
+async def test_setup_no_config(hass, hass_admin_user):
+    """Test component setup with no config."""
+    count_start = len(hass.states.async_entity_ids())
+    assert await async_setup_component(hass, DOMAIN, {})
+
+    with patch(
+        "homeassistant.config.load_yaml_config_file", autospec=True, return_value={}
+    ):
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_RELOAD,
+            blocking=True,
+            context=Context(user_id=hass_admin_user.id),
+        )
+        await hass.async_block_till_done()
+
+    assert count_start == len(hass.states.async_entity_ids())

tests/components/input_number/test_init.py

@@ -543,3 +543,22 @@ async def test_ws_create(hass, hass_ws_client, storage_setup):
 
     state = hass.states.get(input_entity_id)
     assert float(state.state) == 10
+
+
+async def test_setup_no_config(hass, hass_admin_user):
+    """Test component setup with no config."""
+    count_start = len(hass.states.async_entity_ids())
+    assert await async_setup_component(hass, DOMAIN, {})
+
+    with patch(
+        "homeassistant.config.load_yaml_config_file", autospec=True, return_value={}
+    ):
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_RELOAD,
+            blocking=True,
+            context=Context(user_id=hass_admin_user.id),
+        )
+        await hass.async_block_till_done()
+
+    assert count_start == len(hass.states.async_entity_ids())

tests/components/input_select/test_init.py

@@ -595,3 +595,22 @@ async def test_ws_create(hass, hass_ws_client, storage_setup):
 
     state = hass.states.get(input_entity_id)
     assert state.state == "even newer option"
+
+
+async def test_setup_no_config(hass, hass_admin_user):
+    """Test component setup with no config."""
+    count_start = len(hass.states.async_entity_ids())
+    assert await async_setup_component(hass, DOMAIN, {})
+
+    with patch(
+        "homeassistant.config.load_yaml_config_file", autospec=True, return_value={}
+    ):
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_RELOAD,
+            blocking=True,
+            context=Context(user_id=hass_admin_user.id),
+        )
+        await hass.async_block_till_done()
+
+    assert count_start == len(hass.states.async_entity_ids())

tests/components/input_text/test_init.py

@@ -483,3 +483,22 @@ async def test_ws_create(hass, hass_ws_client, storage_setup):
     assert state.attributes[ATTR_EDITABLE]
     assert state.attributes[ATTR_MAX] == 44
     assert state.attributes[ATTR_MIN] == 0
+
+
+async def test_setup_no_config(hass, hass_admin_user):
+    """Test component setup with no config."""
+    count_start = len(hass.states.async_entity_ids())
+    assert await async_setup_component(hass, DOMAIN, {})
+
+    with patch(
+        "homeassistant.config.load_yaml_config_file", autospec=True, return_value={}
+    ):
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_RELOAD,
+            blocking=True,
+            context=Context(user_id=hass_admin_user.id),
+        )
+        await hass.async_block_till_done()
+
+    assert count_start == len(hass.states.async_entity_ids())

tests/components/timer/test_init.py

@@ -534,3 +534,22 @@ async def test_ws_create(hass, hass_ws_client, storage_setup):
     assert state.state == STATUS_IDLE
     assert state.attributes[ATTR_DURATION] == str(cv.time_period(42))
     assert ent_reg.async_get_entity_id(DOMAIN, DOMAIN, timer_id) == timer_entity_id
+
+
+async def test_setup_no_config(hass, hass_admin_user):
+    """Test component setup with no config."""
+    count_start = len(hass.states.async_entity_ids())
+    assert await async_setup_component(hass, DOMAIN, {})
+
+    with patch(
+        "homeassistant.config.load_yaml_config_file", autospec=True, return_value={}
+    ):
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_RELOAD,
+            blocking=True,
+            context=Context(user_id=hass_admin_user.id),
+        )
+        await hass.async_block_till_done()
+
+    assert count_start == len(hass.states.async_entity_ids())