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https://issues.apache.org/jira/browse/LUCENE-5874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14090337#comment-14090337
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David Smiley commented on LUCENE-5874:
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I weighed in on LUCENE-5858.
bq. How is it somewhat related? Its completely related if the motivation here
is to have all the lucene features: all the other codecs support the full
feature set.
I think one day there's going to be some new feature only supported by a subset
of the codecs in the rotation. If the only tool we have is to say which codecs
we *don't* want, then it's less ideal then expressing what you *do* want.
> Allow choosing latest default codec (not random)
> ------------------------------------------------
>
> Key: LUCENE-5874
> URL: https://issues.apache.org/jira/browse/LUCENE-5874
> Project: Lucene - Core
> Issue Type: Test
> Components: modules/test-framework
> Reporter: David Smiley
>
> Within the Lucene/Solr tests, I can see that we want to widely test the
> various Lucene Codecs. And so a test can use a black-list @SuppressCodecs
> when certain codecs are known not to work with certain tests. But there is
> no white-list nor white-list by capabilities (e.g. saying you need term
> vectors that support payloads).
> In external applications that are using the test infrastructure, this is
> annoying. An application generally wants to test with only the codec that
> ships as default with the particular Lucene version they use. Now sure, this
> could be done by using "-Dtests.codec=Lucene46" , or having your
> \@BeforeClass explicitly do Codec.setDefault(Codec.forName("Lucene46")). But
> in both these cases, you have to call out a specific version; you can't
> simply ask for whatever the latest is for the Lucene version you're using
> that's on your classpath. So what I propose is two things: a whitelist
> annotation \@LuceneTestCase.Codecs and a value "CURRENT" (to align with the
> LUCENE_CURRENT naming convention). In this way a test could use the latest
> Codec and not hit a random failure the first time around just because
> Lucene3x or some other old codec was chosen.
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