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https://issues.apache.org/jira/browse/HADOOP-19671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18017153#comment-18017153
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Shilun Fan edited comment on HADOOP-19671 at 8/30/25 6:36 AM:
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[[email protected]] The JUnit 5 upgrade for Hadoop is nearing completion, and
I will soon initiate a new upgrade plan to migrate the unit tests to AssertJ in
order to improve test readability and maintainability.
was (Author: slfan1989):
The JUnit 5 upgrade for Hadoop is nearing completion, and I will soon initiate
a new upgrade plan to migrate the unit tests to AssertJ in order to improve
test readability and maintainability.
> Migrate to AssertJ for Assertion Verification
> ---------------------------------------------
>
> Key: HADOOP-19671
> URL: https://issues.apache.org/jira/browse/HADOOP-19671
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Shilun Fan
> Assignee: Shilun Fan
> Priority: Major
>
> Currently, the unit tests in the project do not fully leverage modern
> assertion capabilities, resulting in lower readability and maintainability of
> the test code. To improve test clarity and extensibility, we plan to migrate
> the existing assertion library to {*}AssertJ{*}.
>
> *Objective:*
> * Migrate all assertions in existing tests from JUnit or other assertion
> libraries to AssertJ.
> * Utilize AssertJ’s rich assertion methods (e.g., fluent API, more readable
> assertions) to enhance the expressiveness of unit tests.
> * Ensure that all existing unit tests continue to run correctly after
> migration.
>
> *Implementation Steps:*
> # Analyze existing unit test code to identify assertions that need to be
> replaced.
> # Replace existing assertions with AssertJ assertion syntax.
> # Run unit tests to ensure the tests pass and function correctly after
> migration.
> # Update relevant documentation to ensure the team is aware of how to use
> AssertJ for assertions.
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