hequn8128 commented on a change in pull request #10017: [FLINK-14019][python] 
add support for managing environment and dependencies of Python UDF in Flink 
Python API
URL: https://github.com/apache/flink/pull/10017#discussion_r342010724
 
 

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 File path: flink-python/pyflink/common/tests/test_dependency_manager.py
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 @@ -0,0 +1,137 @@
+################################################################################
+#  Licensed to the Apache Software Foundation (ASF) under one
+#  or more contributor license agreements.  See the NOTICE file
+#  distributed with this work for additional information
+#  regarding copyright ownership.  The ASF licenses this file
+#  to you 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 json
+import re
+import unittest
+
+from pyflink.common import Configuration
+from pyflink.common.dependency_manager import DependencyManager
+from pyflink.table import TableConfig
+from pyflink.testing.test_case_utils import PyFlinkTestCase
+
+
+def replace_uuid(input_obj):
+    if isinstance(input_obj, str):
+        return 
re.sub(r'[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}',
+                      '{uuid}', input_obj)
+    elif isinstance(input_obj, dict):
+        input_obj_copy = dict()
+        for key in input_obj:
+            input_obj_copy[replace_uuid(key)] = replace_uuid(input_obj[key])
+        return input_obj_copy
+
+
+class DependencyManagerTests(PyFlinkTestCase):
+
+    def setUp(self):
+        self.j_env = MockedJavaEnv()
+        self.config = Configuration()
+        self.dependency_manager = DependencyManager(self.config, self.j_env)
+
+    def test_add_python_file(self):
+        self.dependency_manager.add_python_file("tmp_dir/test_file1.py")
 
 Review comment:
   Also test adding dir.

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