Default to recorder db for SQL integration (#85436)

Co-authored-by: J. Nick Koston <nick@koston.org>

tests/components/sql/test_init.py

@@ -8,6 +8,7 @@ import voluptuous as vol
 
 from homeassistant import config_entries
 from homeassistant.components.recorder import Recorder
+from homeassistant.components.recorder.util import get_instance
 from homeassistant.components.sql import validate_sql_select
 from homeassistant.components.sql.const import DOMAIN
 from homeassistant.core import HomeAssistant
@@ -56,3 +57,41 @@ async def test_invalid_query(hass: HomeAssistant) -> None:
     """Test invalid query."""
     with pytest.raises(vol.Invalid):
         validate_sql_select("DROP TABLE *")
+
+
+async def test_remove_configured_db_url_if_not_needed_when_not_needed(
+    recorder_mock: Recorder,
+    hass: HomeAssistant,
+) -> None:
+    """Test configured db_url is replaced with None if matching the recorder db."""
+    recorder_db_url = get_instance(hass).db_url
+
+    config = {
+        "db_url": recorder_db_url,
+        "query": "SELECT 5 as value",
+        "column": "value",
+        "name": "count_tables",
+    }
+
+    config_entry = await init_integration(hass, config)
+
+    assert config_entry.options.get("db_url") is None
+
+
+async def test_remove_configured_db_url_if_not_needed_when_needed(
+    recorder_mock: Recorder,
+    hass: HomeAssistant,
+) -> None:
+    """Test configured db_url is not replaced if it differs from the recorder db."""
+    db_url = "mssql://"
+
+    config = {
+        "db_url": db_url,
+        "query": "SELECT 5 as value",
+        "column": "value",
+        "name": "count_tables",
+    }
+
+    config_entry = await init_integration(hass, config)
+
+    assert config_entry.options.get("db_url") == db_url