IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elasticsearch Guide [6.3] ›Testing ›Java Testing Framework

unit tests

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unit tests

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If your test is a well isolated unit test which doesn’t need a running Elasticsearch cluster, you can use the ESTestCase. If you are testing lucene features, use ESTestCase and if you are testing concrete token streams, use the ESTokenStreamTestCase class. Those specific classes execute additional checks which ensure that no resources leaks are happening, after the test has run.

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