Uroš Bojanić created SPARK-58689:
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Summary: Add tests for SparkStringUtils padding and abbreviation
helpers
Key: SPARK-58689
URL: https://issues.apache.org/jira/browse/SPARK-58689
Project: Spark
Issue Type: Test
Components: Spark Core
Affects Versions: 4.3.0
Reporter: Uroš Bojanić
SparkStringUtils has no test suite. Its helpers are not incidental: leftPad and
rightPad format the column output of Dataset.show, and abbreviate is used to
build Kubernetes application name labels. The methods were added across a
series of migration changes that replaced Apache Commons and Guava equivalents,
and none of those added direct tests.
This adds SparkStringUtilsSuite covering isBlank and isNotBlank, leftPad, both
rightPad overloads, both abbreviate overloads, strip, and stringToSeq,
including the null pass-through paths and the pad-repetition truncation
arithmetic in the three argument rightPad, which currently has no caller and
therefore no coverage of any kind.
Tests only, no production change. The suite extends AnyFunSuite with the
scalastyle marker used by the sibling suites in the same module, since
common/utils does not depend on spark-core and therefore cannot use
SparkFunSuite.
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