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https://issues.apache.org/jira/browse/SPARK-44170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean R. Owen resolved SPARK-44170.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 43074
[https://github.com/apache/spark/pull/43074]
> Migrating Junit4 to Junit5
> --------------------------
>
> Key: SPARK-44170
> URL: https://issues.apache.org/jira/browse/SPARK-44170
> Project: Spark
> Issue Type: Sub-task
> Components: Tests
> Affects Versions: 4.0.0
> Reporter: Yang Jie
> Assignee: Yang Jie
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> JUnit5 is a powerful and flexible update to the JUnit framework, and it
> provides a variety of improvements and new features to organize and
> describe test cases, as well as help in understanding test results：
> # JUnit 5 leverages features from Java 8 or later, such as lambda functions,
> making tests more powerful and easier to maintain, but Junit 4 still a Java 7
> compatible version
> # JUnit 5 has added some useful new features for describing, organizing, and
> executing tests. For examples: [Parameterized
> Tests|https://junit.org/junit5/docs/current/user-guide/#writing-tests-parameterized-tests]
> and [Conditional Test
> Execution|https://junit.org/junit5/docs/current/user-guide/#extensions-conditions]
> may make our test code look simpler, [Parallel
> Execution|https://junit.org/junit5/docs/current/user-guide/#writing-tests-parallel-execution]
> may make our test faster
>
> More importantly, Junit4 is currently an inactive project, which has not
> released a new version for more than two years
>
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