chore: import upstream snapshot with attribution

test/legacy_test/test_pybind_interface.py

@@ -0,0 +1,39 @@
+#   Copyright (c) 2019 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 unittest
+
+from paddle.base import core
+
+
+class TestPybindInference(unittest.TestCase):
+    # call get_op_attrs_default_value for c++ coverage rate
+    def test_get_op_attrs_default_value(self):
+        core.get_op_attrs_default_value(b"fill_constant")
+
+        # the default values of Op 'fill_constant'
+        #
+        # {"str_value": "",
+        #  "force_cpu": false,
+        #  "value": 1.0,
+        #  "op_role_var": [],
+        #  "shape": [],
+        #  "op_namescope": "",
+        #  "test_attr_1": 1.0,
+        #  "op_callstack": [],
+        #  "op_role": 4096}
+
+
+if __name__ == '__main__':
+    unittest.main()