Deprecated hass.http.register_static_path now raises error (#147039)

homeassistant/components/http/__init__.py

@@ -511,12 +511,14 @@ class HomeAssistantHTTP:
     ) -> None:
         """Register a folder or file to serve as a static path."""
         frame.report_usage(
-            "calls hass.http.register_static_path which is deprecated because "
-            "it does blocking I/O in the event loop, instead "
+            "calls hass.http.register_static_path which "
+            "does blocking I/O in the event loop, instead "
             "call `await hass.http.async_register_static_paths("
             f'[StaticPathConfig("{url_path}", "{path}", {cache_headers})])`',
             exclude_integrations={"http"},
-            core_behavior=frame.ReportBehavior.LOG,
+            core_behavior=frame.ReportBehavior.ERROR,
+            core_integration_behavior=frame.ReportBehavior.ERROR,
+            custom_integration_behavior=frame.ReportBehavior.ERROR,
             breaks_in_ha_version="2025.7",
         )
         configs = [StaticPathConfig(url_path, path, cache_headers)]

tests/components/http/test_cors.py

@@ -16,6 +16,7 @@ from aiohttp.hdrs import (
 from aiohttp.test_utils import TestClient
 import pytest
 
+from homeassistant.components.http import StaticPathConfig
 from homeassistant.components.http.cors import setup_cors
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.http import KEY_ALLOW_CONFIGURED_CORS, HomeAssistantView
@@ -157,7 +158,9 @@ async def test_cors_on_static_files(
     assert await async_setup_component(
         hass, "frontend", {"http": {"cors_allowed_origins": ["http://www.example.com"]}}
     )
-    hass.http.register_static_path("/something", str(Path(__file__).parent))
+    await hass.http.async_register_static_paths(
+        [StaticPathConfig("/something", str(Path(__file__).parent))]
+    )
 
     client = await hass_client()
     resp = await client.options(

tests/components/http/test_init.py

@@ -530,17 +530,14 @@ async def test_register_static_paths(
     """Test registering a static path with old api."""
     assert await async_setup_component(hass, "frontend", {})
     path = str(Path(__file__).parent)
-    hass.http.register_static_path("/something", path)
-    client = await hass_client()
-    resp = await client.get("/something/__init__.py")
-    assert resp.status == HTTPStatus.OK
 
-    assert (
+    match_error = (
         "Detected code that calls hass.http.register_static_path "
-        "which is deprecated because it does blocking I/O in the "
-        "event loop, instead call "
+        "which does blocking I/O in the event loop, instead call "
         "`await hass.http.async_register_static_paths"
-    ) in caplog.text
+    )
+    with pytest.raises(RuntimeError, match=match_error):
+        hass.http.register_static_path("/something", path)
 
 
 async def test_ssl_issue_if_no_urls_configured(