Fail tests if recorder creates nested sessions (#122579)

* Fail tests if recorder creates nested sessions

* Adjust import order

* Move get_instance

homeassistant/components/recorder/util.py

@@ -29,10 +29,14 @@ import voluptuous as vol
 
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import config_validation as cv, issue_registry as ir
+from homeassistant.helpers.recorder import (  # noqa: F401
+    DATA_INSTANCE,
+    get_instance,
+    session_scope,
+)
 import homeassistant.util.dt as dt_util
 
 from .const import (
-    DATA_INSTANCE,
     DEFAULT_MAX_BIND_VARS,
     DOMAIN,
     SQLITE_MAX_BIND_VARS,
@@ -111,42 +115,6 @@ SUNDAY_WEEKDAY = 6
 DAYS_IN_WEEK = 7
 
 
-@contextmanager
-def session_scope(
-    *,
-    hass: HomeAssistant | None = None,
-    session: Session | None = None,
-    exception_filter: Callable[[Exception], bool] | None = None,
-    read_only: bool = False,
-) -> Generator[Session]:
-    """Provide a transactional scope around a series of operations.
-
-    read_only is used to indicate that the session is only used for reading
-    data and that no commit is required. It does not prevent the session
-    from writing and is not a security measure.
-    """
-    if session is None and hass is not None:
-        session = get_instance(hass).get_session()
-
-    if session is None:
-        raise RuntimeError("Session required")
-
-    need_rollback = False
-    try:
-        yield session
-        if not read_only and session.get_transaction():
-            need_rollback = True
-            session.commit()
-    except Exception as err:
-        _LOGGER.exception("Error executing query")
-        if need_rollback:
-            session.rollback()
-        if not exception_filter or not exception_filter(err):
-            raise
-    finally:
-        session.close()
-
-
 def execute(
     qry: Query, to_native: bool = False, validate_entity_ids: bool = True
 ) -> list[Row]:
@@ -769,12 +737,6 @@ def is_second_sunday(date_time: datetime) -> bool:
     return bool(second_sunday(date_time.year, date_time.month).day == date_time.day)
 
 
-@functools.lru_cache(maxsize=1)
-def get_instance(hass: HomeAssistant) -> Recorder:
-    """Get the recorder instance."""
-    return hass.data[DATA_INSTANCE]
-
-
 PERIOD_SCHEMA = vol.Schema(
     {
         vol.Exclusive("calendar", "period"): vol.Schema(