chore: import upstream snapshot with attribution

test/compat/test_torch_proxy_mixed.py

@@ -0,0 +1,98 @@
+# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
+#
+# 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 pathlib
+import sys
+import unittest
+
+import paddle
+from paddle.compat.proxy import (
+    ProxyModule,
+)
+
+sys.path.append(str(pathlib.Path(__file__).parent / "fake_modules"))
+sys.path.append(str(pathlib.Path(__file__).parent / "fake_torch_modules"))
+
+
+class TestTorchProxyMixRealTorch(unittest.TestCase):
+    def check_is_not_proxy(self):
+        import torch
+        from torch.nn.functional import relu
+
+        self.assertNotIsInstance(torch, ProxyModule)
+        self.assertIsNot(paddle.nn.functional.relu, relu)
+
+    def check_is_proxy(self):
+        import torch
+        from torch.nn.functional import relu
+
+        self.assertIsInstance(torch, ProxyModule)
+        self.assertIs(paddle.nn.functional.relu, relu)
+
+    def test_nested_torch_proxy(self):
+        self.check_is_not_proxy()
+        with paddle.use_compat_guard(enable=True):
+            self.check_is_proxy()
+
+            with paddle.use_compat_guard(enable=False):
+                self.check_is_not_proxy()
+
+                with paddle.use_compat_guard(enable=True):
+                    self.check_is_proxy()
+                    with paddle.use_compat_guard(enable=True):
+                        self.check_is_proxy()
+                    with paddle.use_compat_guard(enable=False):
+                        self.check_is_not_proxy()
+
+                self.check_is_not_proxy()
+
+            self.check_is_proxy()
+
+        self.check_is_not_proxy()
+
+    def test_local_enabled_module_import(self):
+        self.check_is_not_proxy()
+        with paddle.use_compat_guard(
+            enable=True, scope={"torch_proxy_local_enabled_module"}
+        ):
+            self.check_is_not_proxy()
+        self.check_is_not_proxy()
+
+    def test_blocked_module_import(self):
+        self.check_is_not_proxy()
+        paddle.compat.extend_torch_proxy_blocked_modules(
+            {"torch_proxy_blocked_module"}
+        )
+        with paddle.use_compat_guard(enable=True):
+            import torch_proxy_blocked_module  # noqa: F401
+
+            self.check_is_proxy()
+        self.check_is_not_proxy()
+
+    def test_blocked_module_inside_local_enabled_proxy_import(self):
+        self.check_is_not_proxy()
+        paddle.compat.extend_torch_proxy_blocked_modules(
+            {"torch_proxy_blocked_module"}
+        )
+        with paddle.use_compat_guard(
+            enable=True, scope={"torch_proxy_local_enabled_module"}
+        ):
+            import torch_proxy_blocked_module  # noqa: F401
+
+            self.check_is_not_proxy()
+        self.check_is_not_proxy()
+
+
+if __name__ == "__main__":
+    unittest.main()