Created
January 31, 2019 14:48
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| from unittest import TestCase | |
| from our_package import to_upper | |
| class TestUDFs(TestCase): | |
| def test_upper(self): | |
| """ | |
| # Case 1 - Lambda | |
| to_upper = udf(lambda s: s.upper() if s else None, StringType()) | |
| """ | |
| self.assertEqual(to_upper('potato'), 'POTATO') | |
| self.assertEqual(to_upper(None), None) |
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