chore: import upstream snapshot with attribution

tools/Polygraphy/tests/backend/base/test_loader.py

@@ -0,0 +1,32 @@
+#
+# SPDX-FileCopyrightText: Copyright (c) 1993-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import pytest
+from polygraphy.backend.base import BaseLoader
+from polygraphy.exception import PolygraphyInternalException
+
+
+def test_loader_checks_call_constant_method():
+    class BadLoader(BaseLoader):
+        def __init__(self):
+            self.x = 2
+
+        def call_impl(self):
+            self.x = 3
+
+    with pytest.raises(PolygraphyInternalException):
+        BadLoader()()