Robert Muir created LUCENE-10353:
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Summary: 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
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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