Github user zero323 commented on a diff in the pull request:
https://github.com/apache/spark/pull/16536#discussion_r97951125
--- Diff: python/pyspark/sql/tests.py ---
@@ -459,6 +459,23 @@ def filename(path):
row2 = df2.select(sameText(df2['file'])).first()
self.assertTrue(row2[0].find("people.json") != -1)
+ def test_udf_defers_judf_initalization(self):
--- End diff --
I thought about it but I have this impression, maybe incorrect, that we
avoid creating new contexts to keep total execution time manageable. If you
think this justifies a separate `TestCase` I am more than fine with that
([SPARK-19224](https://issues.apache.org/jira/browse/SPARK-19224) and
[[PYSPARK] Python tests organization
](http://apache-spark-developers-list.1001551.n3.nabble.com/PYSPARK-Python-tests-organization-td20542.html),
right?).
If not, we could mock this, and put assert on the number of calls.
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