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From Josh Elser <>
Subject Re: Fwd: [jira] [Resolved] (ACCUMULO-3167) Decouple MiniAccumuloCluster from integration test base class
Date Wed, 26 Nov 2014 04:54:51 GMT
Also, I did attempt to verify that running the ITs as before (mvn 
verify). File an issue if find any newly broken test.

Josh Elser wrote:
> Heads up for those that might not have been following this.
> I revamped how nearly all of our ITs work. In practice, it changed
> relatively little in the tests themselves. If you want to know how to
> use the changes I've made, check out the top-level TESTING file I
> recently added.
> A brief tl;dr on how write new ITs (don't worry about getting this 100%
> -- I'm happy to help port new tests you might write using the old
> ConfigurableMacIT or SimpleMacIT classes), is that if you need Accumulo
> available for a test, extend AccumuloClusterIT and use the
> getConnector(), getCluster() and getClusterControl() methods on that
> class to do what you need. Try to not rely on MiniAccumuloCluster(Impl)
> specific methods.
> If there is something you specifically want to do with
> MiniAccumuloCluster(Impl) or your test is doing something destructive or
> otherwise unrecoverable to the instance, use JUnit's Assume to only run
> your test when AccumuloClusterIT#getClusterType == ClusterType.MINI or
> override AccumuloClusterIT#canRunTest.
> As always, ask questions.
> -------- Original Message --------
> Subject: [jira] [Resolved] (ACCUMULO-3167) Decouple MiniAccumuloCluster
> from integration test base class
> Date: Wed, 26 Nov 2014 04:25:13 +0000 (UTC)
> From: Josh Elser (JIRA) <>
> Reply-To:
> To:
> [
> ]
> Josh Elser resolved ACCUMULO-3167.
> ----------------------------------
> Resolution: Fixed
> Submitted -- a couple of follow on tasks already identified.
>> Decouple MiniAccumuloCluster from integration test base class
>> -------------------------------------------------------------
>> Key: ACCUMULO-3167
>> URL:
>> Project: Accumulo
>> Issue Type: Improvement
>> Components: mini, test
>> Reporter: Josh Elser
>> Assignee: Josh Elser
>> Fix For: 1.6.2, 1.7.0
>> Time Spent: 1h 20m
>> Remaining Estimate: 0h
>> (apologies if I already had a ticket for this somewhere, I couldn't
>> find it)
>> Our integration tests are very nice and automated at the moment
>> because we can use MiniAccumuloCluster to "provision" an Accumulo
>> instance (or used a shared instance), and run a test against it. For
>> the most part, this works well and provides an accurate test harness.
>> Thus, to run integration tests, you need a sufficiently beefy machine
>> since the same host will be running all of Accumulo as well as
>> performing any client work. When resources are available to use, it
>> would be nice to leverage them -- whether these are yarn, mesos, a
>> vanila installation, etc.
>> In addition to the additional computational power from using extra
>> hardware, it also encourages us to use the public API as much as
>> possible instead of relying on "hidden" impl methods in
>> MiniAccumuloCluster.
>> I propose making changes to the IT test base (AbstractMacIT,
>> SimpleMacIT, ConfigurableMacIT) to add an extra step between them an
>> test classes to allow "injection" of a more generic Accumulo "cluster"
>> that is not associated with MAC.
> --
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