chore: import upstream snapshot with attribution

test/legacy_test/test_default_scope_funcs.py

@@ -0,0 +1,55 @@
+#   Copyright (c) 2018 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.default_scope_funcs import (
+    enter_local_scope,
+    find_var,
+    get_cur_scope,
+    leave_local_scope,
+    scoped_function,
+    var,
+)
+
+
+class TestDefaultScopeFuncs(unittest.TestCase):
+    def test_cur_scope(self):
+        self.assertIsNotNone(get_cur_scope())
+
+    def test_none_variable(self):
+        self.assertIsNone(find_var("test"))
+
+    def test_create_var_get_var(self):
+        var_a = var("var_a")
+        self.assertIsNotNone(var_a)
+        self.assertIsNotNone(get_cur_scope().find_var('var_a'))
+        enter_local_scope()
+        self.assertIsNotNone(get_cur_scope().find_var('var_a'))
+        leave_local_scope()
+
+    def test_var_get_int(self):
+        def __new_scope__():
+            i = var("var_i")
+            self.assertFalse(i.is_int())
+            i.set_int(10)
+            self.assertTrue(i.is_int())
+            self.assertEqual(10, i.get_int())
+
+        for _ in range(10):
+            scoped_function(__new_scope__)
+
+
+if __name__ == '__main__':
+    unittest.main()