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From "Jesse Yates (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3896) Make AssignmentManager standalone testable by having its constructor take Interfaces rather than a CatalogTracker and a ServerManager
Date Wed, 26 Sep 2012 19:59:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464117#comment-13464117
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Jesse Yates commented on HBASE-3896:
------------------------------------

bq. Other implementations would be mocks that implement the SM and CT Interfaces?

Mockito already can just mock those out (eg. ServerManager manager = Mockito.mock(ServerManager.class)),
so another interface isn't really all that necessary. 

Just my $0.02 :)
                
> Make AssignmentManager standalone testable by having its constructor take Interfaces
rather than a CatalogTracker and a ServerManager
> -------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-3896
>                 URL: https://issues.apache.org/jira/browse/HBASE-3896
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>            Assignee: Cody Marcel
>
> If we could stand up an instance of AssignmentManager, a core fat class that has a bunch
of critical logic managing state transitions, then it'd be easier writing unit tests around
its logic.  Currently its hard because it takes a ServerManager and a CatalogTracker, but
a little bit of work could turn these into Interfaces.  SM looks easy to do.  Changing CT
into an Interface instead might ripple a little through the code base but it'd probably be
well worth it.

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