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From "Stefan Podkowinski (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-12016) Create MessagingService mocking classes
Date Thu, 16 Jun 2016 15:16:05 GMT


Stefan Podkowinski commented on CASSANDRA-12016:

Please find the suggested implementation in the linked WIP branch. An example how a unit test
using those classes looks like can be found [here|].
I'm looking forward for any feedback.

> Create MessagingService mocking classes
> ---------------------------------------
>                 Key: CASSANDRA-12016
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Testing
>            Reporter: Stefan Podkowinski
>            Assignee: Stefan Podkowinski
> 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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