[SPARK-54623][PYTHON][TEST] Add coverage test for UDTF null checker #53362
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HyukjinKwon
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Dec 7, 2025
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### What changes were proposed in this pull request? Coverage tests are added for the null checker in UDTF. ### Why are the changes needed? Improve test coverage and I need to refactor the code later so we need to make sure there's no regression. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? The test passed locally. ### Was this patch authored or co-authored using generative AI tooling? No Closes apache#53362 from gaogaotiantian/test-null-checker. Authored-by: Tian Gao <gaogaotiantian@hotmail.com> Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
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What changes were proposed in this pull request?
Coverage tests are added for the null checker in UDTF.
Why are the changes needed?
Improve test coverage and I need to refactor the code later so we need to make sure there's no regression.
Does this PR introduce any user-facing change?
No
How was this patch tested?
The test passed locally.
Was this patch authored or co-authored using generative AI tooling?
No