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https://issues.apache.org/jira/browse/SOLR-5865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13947242#comment-13947242
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Gregory Chanan commented on SOLR-5865:
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Thanks for handling this Mark.
I haven't seen this fail on trunk, but when backporting it to solr 4.4 I do see
some failures. They seem related to creating a collection and acting on it
immediately; some of the existing tests use "waitForRecoveriesToFinish" before
proceeding in this situation. I'm unclear if this is necessary or not but at
least with solr 4.4 it seems to alleviate the issues. I'll upload a patch
that adds that to the test. As an aside, is there a JIRA or documentation that
address the waitForRecoveriesToFinish issue?
> Provide a MiniSolrCloudCluster to enable easier testing
> -------------------------------------------------------
>
> Key: SOLR-5865
> URL: https://issues.apache.org/jira/browse/SOLR-5865
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Affects Versions: 4.7, 5.0
> Reporter: Gregory Chanan
> Assignee: Mark Miller
> Fix For: 4.8, 5.0
>
> Attachments: SOLR-5865.patch, SOLR-5865.patch,
> SOLR-5865addendum.patch, SOLR-5865addendum2.patch, SOLR-5865wait.patch
>
>
> Today, the SolrCloud tests are based on the LuceneTestCase class hierarchy,
> which has a couple of issues around support for downstream projects:
> - It's difficult to test SolrCloud support in a downstream project that may
> have its own test framework. For example, some projects have support for
> different storage backends (e.g. Solr/ElasticSearch/HBase) and want tests
> against each of the different backends. This is difficult to do cleanly,
> because the Solr tests require derivation from LuceneTestCase, while the
> other don't
> - The LuceneTestCase class hierarchy is really designed for internal solr
> tests (e.g. it randomizes a lot of parameters to get test coverage, but a
> downstream project probably doesn't care about that). It's also quite
> complicated and dense, much more so than a downstream project would want.
> Given these reasons, it would be nice to provide a simple
> "MiniSolrCloudCluster", similar to how HDFS provides a MiniHdfsCluster or
> HBase provides a MiniHBaseCluster.
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