refactor(db)!: finalize pooled WNDB v2 migration

tests/api/test_meta_endpoints.py

@@ -2,7 +2,7 @@ from types import SimpleNamespace
 from uuid import uuid4
 
 from fastapi.testclient import TestClient
-from sqlalchemy.exc import SQLAlchemyError
+import psycopg
 
 from tests.conftest import build_test_app, install_stub, load_module_from_path
 
@@ -15,7 +15,7 @@ def _load_meta_module(monkeypatch):
         {
             "ProjectContext": object,
             "get_project_context": lambda: None,
-            "get_project_pg_session": lambda: None,
+            "get_project_pg_connection": lambda: None,
             "get_project_timescale_connection": lambda: None,
             "get_metadata_repository": lambda: None,
         },
@@ -68,16 +68,18 @@ def test_meta_project_returns_map_extent(monkeypatch):
 def test_meta_db_health_returns_503_for_postgres_errors(monkeypatch):
     module = _load_meta_module(monkeypatch)
 
-    class BrokenSession:
-        async def execute(self, _query):
-            raise SQLAlchemyError("pg unavailable")
+    class BrokenConnection:
+        def cursor(self):
+            raise psycopg.OperationalError("pg unavailable")
 
     class DummyTimescaleConnection:
         def cursor(self):
             raise AssertionError("timescale should not be queried after postgres failure")
 
     app = build_test_app(module.router, "/api/v1")
-    app.dependency_overrides[module.get_project_pg_session] = lambda: BrokenSession()
+    app.dependency_overrides[module.get_project_pg_connection] = (
+        lambda: BrokenConnection()
+    )
     app.dependency_overrides[module.get_project_timescale_connection] = lambda: DummyTimescaleConnection()
     client = TestClient(app)