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https://issues.apache.org/jira/browse/HBASE-5456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13214013#comment-13214013
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Zhihong Yu commented on HBASE-5456:
-----------------------------------
>From Ted Dunning:
Actually jmockit uses byte code patching so you may suffer less reflection
overhead than expected. My guess is that powermock is doing something quite
similar.
> Introduce PowerMock into our unit tests to reduce unnecessary method exposure
> -----------------------------------------------------------------------------
>
> Key: HBASE-5456
> URL: https://issues.apache.org/jira/browse/HBASE-5456
> Project: HBase
> Issue Type: Task
> Reporter: Zhihong Yu
>
> We should introduce PowerMock into our unit tests so that we don't have to
> expose methods intended to be used by unit tests.
> Here was Benoit's reply to a user of asynchbase about testability:
> OpenTSDB has unit tests that are mocking out HBaseClient just fine
> [1]. You can mock out pretty much anything on the JVM: final,
> private, JDK stuff, etc. All you need is the right tools. I've been
> very happy with PowerMock. It supports Mockito and EasyMock.
> I've never been keen on mutilating public interfaces for the sake of
> testing. With tools like PowerMock, we can keep the public APIs tidy
> while mocking and overriding anything, even in the most private guts
> of the classes.
> [1]
> https://github.com/stumbleupon/opentsdb/blob/master/src/uid/TestUniqueId.java#L66
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