Prevent empty aliases in registries (#156061)

Co-authored-by: J. Diego Rodríguez Royo <jdrr1998@hotmail.com>
Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

homeassistant/components/config/area_registry.py

@@ -65,8 +65,10 @@ def websocket_create_area(
     data.pop("id")
 
     if "aliases" in data:
-        # Convert aliases to a set
-        data["aliases"] = set(data["aliases"])
+        # Create a set for the aliases without:
+        #   - Empty strings
+        #   - Trailing and leading whitespace characters in the individual aliases
+        data["aliases"] = {s_strip for s in data["aliases"] if (s_strip := s.strip())}
 
     if "labels" in data:
         # Convert labels to a set
@@ -133,8 +135,10 @@ def websocket_update_area(
     data.pop("id")
 
     if "aliases" in data:
-        # Convert aliases to a set
-        data["aliases"] = set(data["aliases"])
+        # Create a set for the aliases without:
+        #   - Empty strings
+        #   - Trailing and leading whitespace characters in the individual aliases
+        data["aliases"] = {s_strip for s in data["aliases"] if (s_strip := s.strip())}
 
     if "labels" in data:
         # Convert labels to a set

homeassistant/components/config/entity_registry.py

@@ -227,8 +227,10 @@ def websocket_update_entity(
             changes[key] = msg[key]
 
     if "aliases" in msg:
-        # Convert aliases to a set
-        changes["aliases"] = set(msg["aliases"])
+        # Create a set for the aliases without:
+        #   - Empty strings
+        #   - Trailing and leading whitespace characters in the individual aliases
+        changes["aliases"] = {s_strip for s in msg["aliases"] if (s_strip := s.strip())}
 
     if "labels" in msg:
         # Convert labels to a set

homeassistant/components/config/floor_registry.py

@@ -61,8 +61,10 @@ def websocket_create_floor(
     data.pop("id")
 
     if "aliases" in data:
-        # Convert aliases to a set
-        data["aliases"] = set(data["aliases"])
+        # Create a set for the aliases without:
+        #   - Empty strings
+        #   - Trailing and leading whitespace characters in the individual aliases
+        data["aliases"] = {s_strip for s in data["aliases"] if (s_strip := s.strip())}
 
     try:
         entry = registry.async_create(**data)
@@ -117,8 +119,10 @@ def websocket_update_floor(
     data.pop("id")
 
     if "aliases" in data:
-        # Convert aliases to a set
-        data["aliases"] = set(data["aliases"])
+        # Create a set for the aliases without:
+        #   - Empty strings
+        #   - Trailing and leading whitespace characters in the individual aliases
+        data["aliases"] = {s_strip for s in data["aliases"] if (s_strip := s.strip())}
 
     try:
         entry = registry.async_update(**data)

tests/components/config/test_area_registry.py

@@ -172,6 +172,39 @@ async def test_create_area(
     }
     assert len(area_registry.areas) == 2
 
+    # Create area with invalid aliases
+    await client.send_json_auto_id(
+        {
+            "aliases": [" alias_1 ", "", " "],
+            "floor_id": "first_floor",
+            "icon": "mdi:garage",
+            "labels": ["label_1", "label_2"],
+            "name": "mock 3",
+            "picture": "/image/example.png",
+            "temperature_entity_id": "sensor.mock_temperature",
+            "humidity_entity_id": "sensor.mock_humidity",
+            "type": "config/area_registry/create",
+        }
+    )
+
+    msg = await client.receive_json()
+
+    assert msg["success"]
+    assert msg["result"] == {
+        "aliases": unordered(["alias_1"]),
+        "area_id": ANY,
+        "floor_id": "first_floor",
+        "icon": "mdi:garage",
+        "labels": unordered(["label_1", "label_2"]),
+        "name": "mock 3",
+        "picture": "/image/example.png",
+        "created_at": utcnow().timestamp(),
+        "modified_at": utcnow().timestamp(),
+        "temperature_entity_id": "sensor.mock_temperature",
+        "humidity_entity_id": "sensor.mock_humidity",
+    }
+    assert len(area_registry.areas) == 3
+
 
 async def test_create_area_with_name_already_in_use(
     client: MockHAClientWebSocket, area_registry: ar.AreaRegistry
@@ -304,6 +337,40 @@ async def test_update_area(
     }
     assert len(area_registry.areas) == 1
 
+    modified_at = datetime.fromisoformat("2024-07-16T13:55:00.900075+00:00")
+    freezer.move_to(modified_at)
+
+    await client.send_json_auto_id(
+        {
+            "type": "config/area_registry/update",
+            "aliases": ["alias_1", "", " ", " alias_2 "],
+            "area_id": area.id,
+            "floor_id": None,
+            "humidity_entity_id": None,
+            "icon": None,
+            "labels": [],
+            "picture": None,
+            "temperature_entity_id": None,
+        }
+    )
+
+    msg = await client.receive_json()
+
+    assert msg["result"] == {
+        "aliases": unordered(["alias_1", "alias_2"]),
+        "area_id": area.id,
+        "floor_id": None,
+        "icon": None,
+        "labels": [],
+        "name": "mock 2",
+        "picture": None,
+        "temperature_entity_id": None,
+        "humidity_entity_id": None,
+        "created_at": created_at.timestamp(),
+        "modified_at": modified_at.timestamp(),
+    }
+    assert len(area_registry.areas) == 1
+
 
 async def test_update_area_with_same_name(
     client: MockHAClientWebSocket, area_registry: ar.AreaRegistry

tests/components/config/test_entity_registry.py

@@ -887,6 +887,49 @@ async def test_update_entity(
         },
     }
 
+    # Add illegal terms to aliases
+    await client.send_json_auto_id(
+        {
+            "type": "config/entity_registry/update",
+            "entity_id": "test_domain.world",
+            "aliases": ["alias_1", "alias_2", "", " alias_3 ", " "],
+        }
+    )
+
+    msg = await client.receive_json()
+    assert msg["success"]
+
+    assert msg["result"] == {
+        "entity_entry": {
+            "aliases": unordered(["alias_1", "alias_2", "alias_3"]),
+            "area_id": "mock-area-id",
+            "capabilities": None,
+            "categories": {"scope1": "id", "scope3": "other_id"},
+            "config_entry_id": None,
+            "config_subentry_id": None,
+            "created_at": created.timestamp(),
+            "device_class": "custom_device_class",
+            "device_id": None,
+            "disabled_by": None,
+            "entity_category": None,
+            "entity_id": "test_domain.world",
+            "has_entity_name": False,
+            "hidden_by": "user",  # We exchange strings over the WS API, not enums
+            "icon": "icon:after update",
+            "id": ANY,
+            "labels": unordered(["label1", "label2"]),
+            "modified_at": modified.timestamp(),
+            "name": "after update",
+            "options": {"sensor": {"unit_of_measurement": "beard_second"}},
+            "original_device_class": None,
+            "original_icon": None,
+            "original_name": None,
+            "platform": "test_platform",
+            "translation_key": None,
+            "unique_id": "1234",
+        },
+    }
+
 
 async def test_update_entity_require_restart(
     hass: HomeAssistant, client: MockHAClientWebSocket, freezer: FrozenDateTimeFactory

tests/components/config/test_floor_registry.py

@@ -122,6 +122,30 @@ async def test_create_floor(
         "level": 2,
     }
 
+    # Floor with invalid aliases
+    await client.send_json_auto_id(
+        {
+            "name": "Third floor",
+            "type": "config/floor_registry/create",
+            "aliases": ["", " "],
+            "icon": "mdi:home-floor-2",
+            "level": 3,
+        }
+    )
+
+    msg = await client.receive_json()
+
+    assert len(floor_registry.floors) == 3
+    assert msg["result"] == {
+        "aliases": [],
+        "created_at": utcnow().timestamp(),
+        "icon": "mdi:home-floor-2",
+        "floor_id": "third_floor",
+        "modified_at": utcnow().timestamp(),
+        "name": "Third floor",
+        "level": 3,
+    }
+
 
 async def test_create_floor_with_name_already_in_use(
     client: MockHAClientWebSocket,
@@ -249,6 +273,60 @@ async def test_update_floor(
         "level": None,
     }
 
+    # Add invalid aliases
+    modified_at = datetime.fromisoformat("2024-07-16T13:55:00.900075+00:00")
+    freezer.move_to(modified_at)
+    await client.send_json_auto_id(
+        {
+            "floor_id": floor.floor_id,
+            "name": "First floor",
+            "aliases": ["top floor", "attic", "", " "],
+            "icon": None,
+            "level": None,
+            "type": "config/floor_registry/update",
+        }
+    )
+
+    msg = await client.receive_json()
+
+    assert len(floor_registry.floors) == 1
+    assert msg["result"] == {
+        "aliases": unordered(["top floor", "attic"]),
+        "created_at": created_at.timestamp(),
+        "icon": None,
+        "floor_id": floor.floor_id,
+        "modified_at": modified_at.timestamp(),
+        "name": "First floor",
+        "level": None,
+    }
+
+    # Add alias with trailing and leading whitespaces
+    modified_at = datetime.fromisoformat("2024-07-16T13:55:00.900075+00:00")
+    freezer.move_to(modified_at)
+    await client.send_json_auto_id(
+        {
+            "floor_id": floor.floor_id,
+            "name": "First floor",
+            "aliases": ["top floor", "attic", "solaio "],
+            "icon": None,
+            "level": None,
+            "type": "config/floor_registry/update",
+        }
+    )
+
+    msg = await client.receive_json()
+
+    assert len(floor_registry.floors) == 1
+    assert msg["result"] == {
+        "aliases": unordered(["top floor", "attic", "solaio"]),
+        "created_at": created_at.timestamp(),
+        "icon": None,
+        "floor_id": floor.floor_id,
+        "modified_at": modified_at.timestamp(),
+        "name": "First floor",
+        "level": None,
+    }
+
 
 async def test_update_with_name_already_in_use(
     client: MockHAClientWebSocket,