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From "Mariia Mykhailova (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (REEF-1304) Create tests which use .NET Poison to validate evaluator failure scenarios
Date Wed, 27 Apr 2016 19:43:13 GMT

    [ https://issues.apache.org/jira/browse/REEF-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15260809#comment-15260809
] 

Mariia Mykhailova commented on REEF-1304:
-----------------------------------------

I agree that we need to have similar coverage for Task failure. Let's keep this JIRA for Evaluator
failures, since there are already a lot of scenarios which need separate tests, and cover
Task failures next in REEF-1366.

> Create tests which use .NET Poison to validate evaluator failure scenarios
> --------------------------------------------------------------------------
>
>                 Key: REEF-1304
>                 URL: https://issues.apache.org/jira/browse/REEF-1304
>             Project: REEF
>          Issue Type: Test
>          Components: REEF.NET
>            Reporter: Mariia Mykhailova
>            Assignee: Mariia Mykhailova
>              Labels: FT
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> There are multiple scenarios of failures in our system. We should use REEF.NET Poison
(delayed fault injection mechanism) to simulate these scenarios in test and to validate the
response of our system to them.
> Here is initial list of tests we need to have.
> *Evaluator Failure* 
> We expect to receive only {{FailedEvaluator}} event, no {{FailedContext}} and no {{FailedTask}}
> || N || Failure injected at || Additional verification ||
> | 1 | ON_EVALUATOR_ALLOCATED |  |
> | 2 | between ON_EVALUATOR_ALLOCATED and ON_CONTEXT_ACTIVE  | |
> | 3 | ON_CONTEXT_ACTIVE |  FailedEvaluator should have FailedContexts filled |
> | 4 | between ON_CONTEXT_ACTIVE and ON_TASK_RUNNING |  FailedEvaluator should have FailedContexts
filled |
> | 5 | ON_TASK_RUNNING  | FailedEvaluator should have FailedContexts and FailedTask filled
|
> | 6 | between ON_TASK_RUNNING and ON_TASK_COMPLETED | FailedEvaluator should have FailedContexts
and FailedTask filled |
> | 7 | ON_TASK_COMPLETED | FailedEvaluator should have FailedContexts filled |
> | 8 | after ON_TASK_COMPLETED | race against evaluator completion |



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