chore: import upstream snapshot with attribution

test/dygraph_to_static/test_utils.py

@@ -0,0 +1,65 @@
+#   Copyright (c) 2020 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 types
+import unittest
+
+from dygraph_to_static_utils import Dy2StTestBase
+
+from paddle.jit.dy2static.transformers.utils import index_in_list
+from paddle.jit.dy2static.utils import is_paddle_func
+
+
+class TestIndexInList(Dy2StTestBase):
+    def test_index_in_list(self):
+        list_to_test = [1, 2, 3, 4, 5]
+        self.assertEqual(index_in_list(list_to_test, 4), 3)
+        self.assertEqual(index_in_list(list_to_test, 1), 0)
+        self.assertEqual(index_in_list(list_to_test, 5), 4)
+        self.assertEqual(index_in_list(list_to_test, 0), -1)
+        self.assertEqual(index_in_list(list_to_test, 6), -1)
+
+
+def dyfunc_assign(input):
+    a = b = 1
+    c, d = e, f = a, b
+    z = [3, 4]
+    [x, y] = m, n = z
+
+
+class StaticCode:
+    def dyfunc_assign(input):
+        b = 1
+        a = b
+        e = a
+        f = b
+        c = e
+        d = f
+        z = [3, 4]
+        m, n = z
+        x = m
+        y = n
+
+
+class TestIsPaddle(Dy2StTestBase):
+    def fake_module(self):
+        return types.ModuleType('paddlenlp')
+
+    def test_func(self):
+        m = self.fake_module()
+        self.assertFalse(is_paddle_func(m))
+
+
+if __name__ == '__main__':
+    unittest.main()