feat: add denylist for db engines (#21486)

tests/unit_tests/conftest.py

@@ -21,6 +21,7 @@ import os
 from typing import Any, Callable, Iterator
 
 import pytest
+from _pytest.fixtures import SubRequest
 from pytest_mock import MockFixture
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
@@ -68,7 +69,7 @@ def session(get_session) -> Iterator[Session]:
 
 
 @pytest.fixture(scope="module")
-def app() -> Iterator[SupersetApp]:
+def app(request: SubRequest) -> Iterator[SupersetApp]:
     """
     A fixture that generates a Superset app.
     """
@@ -82,6 +83,11 @@ def app() -> Iterator[SupersetApp]:
     app.config["PREVENT_UNSAFE_DB_CONNECTIONS"] = False
     app.config["TESTING"] = True
 
+    # loop over extra configs passed in by tests
+    if request and hasattr(request, "param"):
+        for key, val in request.param.items():
+            app.config[key] = val
+
     # ``superset.extensions.appbuilder`` is a singleton, and won't rebuild the
     # routes when this fixture is called multiple times; we need to clear the
     # registered views to ensure the initialization can happen more than once.