Generate ScalaTest unit tests for Apache Spark UDFs before GPU conversion.
npx skills add https://github.com/NVIDIA/cudf-spark --skill udf-gen-test
Please help me install this Agent Skill. Skill: udf-gen-test Source: https://github.com/NVIDIA/cudf-spark/tree/main/skills/udf-gen-test Command: npx skills add https://github.com/NVIDIA/cudf-spark --skill udf-gen-test
This Skill removes the manual effort of building a reliable unit test harness for an Apache Spark UDF before converting it to a GPU-compatible implementation. It helps establish a clear behavioral contract for the CPU UDF so later conversion work can be validated against known inputs and outputs.
Provide the Java or Scala UDF source path and ask the Skill to generate the unit test project, implement the test cases, and iterate until the suite passes.
High-intent search queries and answers about installing and using this skill.
To generate unit tests for an Apache Spark UDF before GPU conversion, provide the Java or Scala source path to automatically create a self-contained ScalaTest project with coverage-focused test data and branch-aware validation.
The best way to ensure edge-case coverage for a Scala Spark UDF is to generate a test suite that automatically builds coverage-focused test data with nulls, malformed inputs, boundary values, and mixed valid or invalid rows.
Yes, you can use ScalaTest and scoverage to validate a CPU UDF before porting it to GPU by compiling, running tests, reviewing coverage reports, and iterating until the important branches of the UDF are fully exercised.
The Spark UDF test generation workflow supports both Java and Scala CPU UDFs, placing the target source into the expected package structure within a self-contained Scala template project to establish a clear behavioral contract.
A Spark UDF needs a self-contained test project before GPU conversion to establish a clear behavioral contract for the CPU implementation, allowing later conversion work to be validated against known inputs and outputs.
To iterate on UDF test coverage until the suite passes, compile the generated ScalaTest project, run the tests, review the scoverage output, and repeat the loop until all important branches are exercised and validated.
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