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From Emmanuel Lecharny <elecha...@gmail.com>
Subject Re: Add MultiThreadedMultiInvoker rule to integration tests
Date Thu, 25 Nov 2010 11:43:43 GMT
On 11/25/10 12:06 PM, Stefan Seelmann wrote:
> Hi guys,
>
> I'd like to add the junit-addons dependency to server-integ and add
> the MultiThreadedMultiInvoker Rule from there to some tests.
>
> The MultiThreadedMultiInvoker (MTMI) [1] is am implementation of
> JUnit's MethodRule. If it is defined in a test class like this
>
>      @Rule
>      public MultiThreadedMultiInvoker i = new MultiThreadedMultiInvoker();
>
> the invocation of each test method is intercepted by the rule. In case
> of the MTMI class the test method (including setups and teardowns) are
> invoked multiple times and optionally in multiple threads.
>
> By default, when running the tests with "mvn test" or from within
> Eclipse each test method is invoked only once, so there is no
> difference to the current situation. But it is possible to control the
> number of threads and invocations per thread via system properties:
>    -Dmtmi.invocations=100
>    -Dmtmi.threads=10
>    -Dmtmi.trace=true
>
> It helped me to find some issues with unclosed resources in
> integration tests, and especially a problem in StartTlsIT test that
> caused hanging tests on Windows, so I think it is quite useful.
>
> Kind Regards,
> Stefan
>
> [1] http://svn.apache.org/viewvc/directory/buildtools/trunk/junit-addons/src/main/java/org/apache/directory/junit/tools/MultiThreadedMultiInvoker.java?view=markup
>
+1

-- 
Regards,
Cordialement,
Emmanuel L├ęcharny
www.iktek.com


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