subhramit commented on code in PR #73403:
URL: https://github.com/apache/airflow/pull/73403#discussion_r4057044400


##########
airflow-core/tests/unit/api_fastapi/execution_api/versions/head/test_assets.py:
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@@ -108,3 +113,27 @@ def test_asset_uri_not_found(self, client):
                 "reason": "not_found",
             }
         }
+
+
[email protected]("reconfigure_async_db_engine")
+class TestGetAssetAsyncQueries:

Review Comment:
   Have added it here inspired by https://github.com/apache/airflow/pull/73407 
only for the simpler routes that do direct `AsyncSession` reads in the handler 
itself, where an awaited-call assertion gives clear extra signal with little 
test noise. This pattern of test is not needed for every migrated endpoint.
   
   For example, `GET /execution/assets/by-name`, `GET 
/execution/assets/by-uri`, `GET /execution/dag-runs/count`, and `GET 
/execution/variables/keys` map very directly to `await session.scalar(...)` / 
`await session.scalars(...)`, so mocking those calls is straightforward. 
   
   For  endpoints like `previos-successful-dagrun`, `previous task instance`, 
or `breadcrumbs`, the existing DB-backed contract tests already cover behavior 
well, so additional async-session mocking would IMO add a lot more coupling 
than value.



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