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https://issues.apache.org/jira/browse/LUCENE-10353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler reassigned LUCENE-10353:
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Assignee: Uwe Schindler
> Add null injection to analyzer integration tests (e.g. TestRandomChains)
> ------------------------------------------------------------------------
>
> Key: LUCENE-10353
> URL: https://issues.apache.org/jira/browse/LUCENE-10353
> Project: Lucene - Core
> Issue Type: Task
> Reporter: Robert Muir
> Assignee: Uwe Schindler
> Priority: Major
>
> These tests inject random parameter values (from argumentProviders). Some
> generated values may be illegal and IllegalArgumentException is "allowed" if
> the constructor returns it. None of the values should cause failures at
> runtime.
> But for object types, we never inject null values (unless the
> argumentProvider were to do it itself). We should do this some low % of the
> time, and "allow" ctors to return NPE too.
> I see bugs in some of the analyzers where they are just a missing null check
> in the constructor. It is important to fail on invalid configuration up-front
> in the ctor, rather than failing e.g. at index time.
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