Remove dead task DB fast-path and update task tests

backend/tests/test_tasks/test_geo_re_resolve.py

@@ -69,6 +69,7 @@ def _make_app(
     app = MagicMock()
     app.state.db = db
     app.state.http_session = http_session
+    app.state.settings = MagicMock(database_path="/tmp/fake.db")
 
     return app
 
@@ -78,7 +79,11 @@ async def test_run_re_resolve_no_unresolved_ips_skips() -> None:
     """The task should return immediately when no NULL-country IPs exist."""
     app = _make_app(unresolved_ips=[])
 
-    with patch("app.tasks.geo_re_resolve.geo_service") as mock_geo:
+    with patch(
+        "app.tasks.geo_re_resolve.open_db",
+        new_callable=AsyncMock,
+        return_value=app.state.db,
+    ), patch("app.tasks.geo_re_resolve.geo_service") as mock_geo:
         mock_geo.get_unresolved_ips = AsyncMock(return_value=[])
 
         await _run_re_resolve(app)
@@ -116,7 +121,11 @@ async def test_run_re_resolve_calls_lookup_batch_with_db() -> None:
     }
     app = _make_app(unresolved_ips=ips, lookup_result=result)
 
-    with patch("app.tasks.geo_re_resolve.geo_service") as mock_geo:
+    with patch(
+        "app.tasks.geo_re_resolve.open_db",
+        new_callable=AsyncMock,
+        return_value=app.state.db,
+    ), patch("app.tasks.geo_re_resolve.geo_service") as mock_geo:
         mock_geo.get_unresolved_ips = AsyncMock(return_value=ips)
         mock_geo.lookup_batch = AsyncMock(return_value=result)
 
@@ -140,7 +149,11 @@ async def test_run_re_resolve_logs_correct_counts(caplog: Any) -> None:
     }
     app = _make_app(unresolved_ips=ips, lookup_result=result)
 
-    with patch("app.tasks.geo_re_resolve.geo_service") as mock_geo:
+    with patch(
+        "app.tasks.geo_re_resolve.open_db",
+        new_callable=AsyncMock,
+        return_value=app.state.db,
+    ), patch("app.tasks.geo_re_resolve.geo_service") as mock_geo:
         mock_geo.get_unresolved_ips = AsyncMock(return_value=ips)
         mock_geo.lookup_batch = AsyncMock(return_value=result)
 
@@ -163,7 +176,11 @@ async def test_run_re_resolve_handles_all_resolved() -> None:
     }
     app = _make_app(unresolved_ips=ips, lookup_result=result)
 
-    with patch("app.tasks.geo_re_resolve.geo_service") as mock_geo:
+    with patch(
+        "app.tasks.geo_re_resolve.open_db",
+        new_callable=AsyncMock,
+        return_value=app.state.db,
+    ), patch("app.tasks.geo_re_resolve.geo_service") as mock_geo:
         mock_geo.get_unresolved_ips = AsyncMock(return_value=ips)
         mock_geo.lookup_batch = AsyncMock(return_value=result)