David Smiley created LUCENE-5874:
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Summary: 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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