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From "Stefan Podkowinski (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-12016) Create MessagingService mocking classes
Date Tue, 12 Jul 2016 09:20:20 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-12016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefan Podkowinski updated CASSANDRA-12016:
-------------------------------------------
    Status: Patch Available  (was: Awaiting Feedback)

I did some minor changes since [~thobbs]'s last comment, but wouldn't change the current implementation
anymore in case there's no more feedback on this. Attached squashed patch that should apply
against trunk cleanly.

||trunk||
|[branch|https://github.com/spodkowinski/cassandra/tree/CASSANDRA-12016-trunk]|
|[testall|http://cassci.datastax.com/view/Dev/view/spodkowinski/job/spodkowinski-CASSANDRA-12016-trunk-testall/]|



> Create MessagingService mocking classes
> ---------------------------------------
>
>                 Key: CASSANDRA-12016
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12016
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Testing
>            Reporter: Stefan Podkowinski
>            Assignee: Stefan Podkowinski
>         Attachments: 12016-trunk.patch
>
>
> Interactions between clients and nodes in the cluster are taking place by exchanging
messages through the {{MessagingService}}. Black box testing for message based systems is
usually pretty easy, as we're just dealing with messages in/out. My suggestion would be to
add tests that make use of this fact by mocking message exchanges via MessagingService. Given
the right use case, this would turn out to be a much simpler and more efficient alternative
for dtests.



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