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From "Roman Shaposhnik (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6201) HBase integration/system tests
Date Mon, 18 Jun 2012 22:55:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13396329#comment-13396329
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Roman Shaposhnik commented on HBASE-6201:
-----------------------------------------

bq. I think your categorization, and my comments above are telling the same thing, no confusion
there.

Great to hear -- in that case the implementation is the next level to go to.

bq.  At this point, we only need starting / stopping deamons kind of functionality, assuming
the cluster is already deployed.

bq. On the other side, if we provide a "mvn verify" in hbase-it module to run the tests on
the actual cluster, I assume BigTop can leverage this to carry out the tests.

Basically, all that Bigtop needs is a maven artifact that we can plug in our infrastructure.
We won't be using the 'mvn verify' as it is implemented in HBase's pom.xml but rather hooking
the very same artifact to our Maven execution framework.

Are you saying that you would like the tests themeselves to get involved in the lifecycle
of each service? Like bringing them up and down, etc?

This an area I'm really interested in providing a framework for in Bigtop. I'm about to open
up a JIRA for that with the hope that we can cook something usable up rather quickly. The
key point is that I don't want tests to have any logic that concerns itself with ssh/etc.
It needs to be a sort of an agent-based framework that allows tests to query the topology
of the cluster and also perform actions on the nodes of that topology in a most generic sense.

                
> HBase integration/system tests
> ------------------------------
>
>                 Key: HBASE-6201
>                 URL: https://issues.apache.org/jira/browse/HBASE-6201
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.96.0
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>
> Integration and general system tests have been discussed previously, and the conclusion
is that we need to unify how we do "release candidate" testing (HBASE-6091).
> In this issue, I would like to discuss and agree on a general plan, and open subtickets
for execution so that we can carry out most of the tests in HBASE-6091 automatically. 
> Initially, here is what I have in mind: 
> 1. Create hbase-it (or hbase-tests) containing forward port of HBASE-4454 (without any
tests). This will allow integration test to be run with
>  {code}
>   mvn verify
>  {code}
> 2. Add ability to run all integration/system tests on a given cluster. Smt like: 
>  {code}
>   mvn verify -Dconf=/etc/hbase/conf/
>  {code}
> should run the test suite on the given cluster. (Right now we can launch some of the
tests (TestAcidGuarantees) from command line). Most of the system tests will be client side,
and interface with the cluster through public APIs. We need a tool on top of MiniHBaseCluster
or improve HBaseTestingUtility, so that tests can interface with the mini cluster or the actual
cluster uniformly.
> 3. Port candidate unit tests to the integration tests module. Some of the candidates
are: 
>  - TestAcidGuarantees / TestAtomicOperation
>  - TestRegionBalancing (HBASE-6053)
>  - TestFullLogReconstruction
>  - TestMasterFailover
>  - TestImportExport
>  - TestMultiVersions / TestKeepDeletes
>  - TestFromClientSide
>  - TestShell and src/test/ruby
>  - TestRollingRestart
>  - Test**OnCluster
>  - Balancer tests
> These tests should continue to be run as unit tests w/o any change in semantics. However,
given an actual cluster, they should use that, instead of spinning a mini cluster.  
> 4. Add more tests, especially, long running ingestion tests (goraci, BigTop's TestLoadAndVerify,
LoadTestTool), and chaos monkey style fault tests. 
> All suggestions welcome. 

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