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From "David Van Couvering (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1116) Define a minimal acceptance test suite for checkins
Date Fri, 17 Mar 2006 18:58:01 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1116?page=comments#action_12370866 ] 

David Van Couvering commented on DERBY-1116:
--------------------------------------------

The approach I was thinking of employing here is to modify RunTest to report the time to run
each test (if it doesn't already do this), do a run of derbyall, and build a table of tests
grouped by subsystem and then ordered by execution time. That would give us a sense of the
low-hanging fruit we could pick out.  The goal would be to reduce the number of tests until
we get to an hour running on a "standard" development machine (I am thinking of a fairly modern
desktop with 1GB of memory and a fairly fast disk).

Thoughts?

> Define a minimal acceptance test suite for checkins
> ---------------------------------------------------
>
>          Key: DERBY-1116
>          URL: http://issues.apache.org/jira/browse/DERBY-1116
>      Project: Derby
>         Type: Improvement
>   Components: Test
>     Reporter: David Van Couvering
>     Priority: Minor

>
> Now that we have an excellent notification system for tinderbox/nightly regression failures,
I would like to suggest that we reduce the size of the test suite being run prior to checkin.
  I am not sure what should be in such a minimal test, but in particular I would like to remove
things such as the stress test and generally reduce the number of tests being run for each
subsystem/area of code.
> As an example of how derbyall currently affects my productivity, I was running derbyall
on my machine starting at 2pm, and by evening it was still running.  At 9pm my machine was
accidentally powered down, and this morning I am restarting the test run.
> I have been tempted (and acted on such temptation) in the past to run a smaller set of
tests, only to find out that I have blocked others who are running derbyall prior to checkin.
 For this reason, we need to define a minimal acceptance test (MATS) that we all agree to
run prior to checkin.
> One could argue that you can run your tests on another machine and thus reduce productivity,
but we can't assume everybody in the community has nice big test servers to run their tests
on.
> If there are no objections, I can take a first pass at defining what this test suite
should look like, but I suspect many others in the community have strong opinions about this
and may even wish to volunteer to do this definition themselves (for example, some of you
who may be working in the QA division in some of our Big Companies :) ).

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