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https://issues.apache.org/jira/browse/SOLR-10916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16054522#comment-16054522
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Hoss Man commented on SOLR-10916:
---------------------------------

As a quick example: here are a few tests that extend LuceneTestCase and use 
MiniSolrCloudCluster (they seem to have been copied/pasted from the 
TestMiniSolrCloudCluster which was explicitly written as a demo for external 
clients that might want ot use MiniSolrCloudCluster even w/o using JUnit.

These tests should all be changed to subclass SolrCloudTestCase...

{code}
hossman@tray:~/lucene/dev/solr/core [master] $ find -name \*.java | xargs grep 
-l "extends LuceneTestCase" | xargs grep -l MiniSolrCloud
./src/test/org/apache/solr/cloud/TestAuthenticationFramework.java
./src/test/org/apache/solr/cloud/TestSolrCloudWithKerberosAlt.java
./src/test/org/apache/solr/cloud/TestMiniSolrCloudCluster.java
{code}

...that last test, TestMiniSolrCloudCluster, is still left over from SOLR-8961 
and should be renamed to represent what it does 
(TestCollectionsAPIViaSolrCloudCluster or some such)

> Any Solr test using MiniSolrCloud or Solr Core's should extend SolrTestCaseJ4
> -----------------------------------------------------------------------------
>
>                 Key: SOLR-10916
>                 URL: https://issues.apache.org/jira/browse/SOLR-10916
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Hoss Man
>
> We have a non-trivial number of tests  that extend LuceneTestCase directly.
> For "utility" method minded tests, this is fine - but for any test that wants 
> to instantiate re-use shared config files to instantiate SolrCores, or 
> instances of MiniSolrCloudCluster, this makes these tests really cumbersome 
> to maintain and deal with because htye don't leverage the existing 
> randomization setup logic in SolrTestCaseJ4.
> we should fix these tests where applicable



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