[SPARK-38235] Add test util for testing grouped aggregate pandas UDF.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.0
• Component/s: SQL
• Assignee: Haejoon Lee
• Reporter: Haejoon Lee
• Created: 17/Feb/22 01:26
• Updated: 12/Dec/22 18:11
• Resolved: 23/Feb/22 09:32

Description

We have a util named "TestScalarPandasUDF" to help testing scalar pandas UDF more comfortable.

It would be great if we have also equivalent util when testing grouped aggregate pandas UDF.

Issue Links

• Blocked: SPARK-38107 Use error classes in the compilation errors of python/pandas UDFs
• links to: [Github] Pull Request #35615 (itholic)