chore: import upstream snapshot with attribution

tests/cli/test_cli.py

@@ -0,0 +1,28 @@
+# Copyright (c) 2023 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.
+
+from __future__ import annotations
+
+import sys
+from unittest import TestCase
+
+from paddlenlp.cli.main import main
+
+
+class CliTest(TestCase):
+    def test_smoke(self):
+        """smoke test for cli command"""
+        sys.argv = ["", "--help"]
+        with self.assertRaises(SystemExit):
+            main()