Github user wardviaene commented on a diff in the pull request:
https://github.com/apache/spark/pull/2287#discussion_r17211687
--- Diff: python/pyspark/tests.py ---
@@ -181,6 +181,17 @@ def tearDown(self):
sys.path = self._old_sys_path
+# Regression test for SPARK-3415
+class CloudPickleTest(unittest.TestCase):
+ def test_pickling_file_handles(self):
+ from pyspark.cloudpickle import dumps
+ out = sys.stderr
+ r = dumps(out)
+ exp = ('\x80\x02c__builtin__\ngetattr\nq\x00cpyspark.cloudpickle\n'
--- End diff --
There is no load in cloudpickle, so I used the default one in python. Test
dumps it, loads it, and compares it against original. Also moved the code under
SerializationTestCase
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