[infinispan-dev] A tip: Using a random word generator to generate uncommon test data

[Galder Zamarreno]

On 09/15/2009 09:26 AM, Mircea Markus wrote:
>
> On Sep 14, 2009, at 12:02 PM, Galder Zamarreno wrote:
>
>>
>>
>> On 09/12/2009 12:31 AM, Michael Neale wrote:
>>> A crazier alternative is to grab the testMethod name and use that as
>>> part of the key/string - you can do it by getting the stack trace and
>>> a little bit of work (I had a helper method somewhere).
>>>
>>> Something like:
>>> Thread.currentThread().getStackTrace()(1).getMethodName() (at the top
>>> of the test method)-- its probably 1 as 0 would be the getStackTrace
>>> method itself... I have found it helpful when digging through things
>>> and I see a value from a certain test...
> That's a good idea but doesn't apply when there's inheritance between
> test classes (and ISPN uses inheritance).
> Eg.
>
>    abstract class Base {
>      public void testMethod(){}
> }
>
> @Test
> public class A extends Base{}
>
> @Test
> public class B extends Base{}
>
> Now test method will be run twice, and the stack trace won't let you
> make the difference between it being run in the context of class A or
> of class B.
> But yep, in all other scenarios this is a very useful mechanism.

True, run some tests and this could fail easily. Now, in JUnit, TestCase 
class that tests extended had a getName() method that could be called to 
retrieve the test's name.

I think you can do this with TestNG using the TestRunner:
http://testng.org/javadocs/org/testng/TestRunner.html#getName%28%29

>
>
>>
>> Maybe you could add this debugging method as a static method to
>> TestingUtil class?
>>
>> Btw, I've updated
>> http://www.jboss.org/community/wiki/InfinispanQuickStartGuideforDevelopers
>> with these two tips.
>>
>>>
>>>
>>> On Fri, Sep 11, 2009 at 10:23 PM, Mircea Markus<mircea.markus at jboss.com
>>>>   wrote:
>>>> Another thing that helps is using the thread name. It's true that
>>>> there are some threads created within jgroups, and these won't match
>>>> but generally it helps.
>>>> Before starting a test, a log message is being output - this
>>>> contains
>>>> the name of the test that is to be executed. Same after the test is
>>>> finished. Logs look like:
>>>> "Starting test..."
>>>> and
>>>> "Test Xyz failed"/"Test Xyz skipped"/"Test Xyz succeeded"
>>>>
>>>> On Sep 11, 2009, at 1:13 PM, Galder Zamarreno wrote:
>>>>
>>>>> p.s. I'm currently using
>>>>> http://watchout4snakes.com/creativitytools/RandomWord/RandomWordPlus.aspx
>>>>>   as
>>>>> random word generator.
>>>>>
>>>>> On 09/11/2009 12:12 PM, Galder Zamarreno wrote:
>>>>>> Guys,
>>>>>>
>>>>>> Looking at the Infinispan tests, I've seen plenty same keys/values
>>>>>> repeated in loads of tests, i.e. k1, k2, v1, v2....etc, so
>>>>>> sometimes,
>>>>>> when you're debugging a specific tests, particularly when
>>>>>> running the
>>>>>> whole testsuite, it's hard to pint point the data related to your
>>>>>> test
>>>>>> since same key/values are used by several tests.
>>>>>>
>>>>>> So, to try to help with finding the data related to my tests, I'm
>>>>>> trying
>>>>>> to use random word generator to generate uncommon or obscure words
>>>>>> that
>>>>>> I can use in the tests. Doing this allows me to quickly find my
>>>>>> data in
>>>>>> the logs, i.e. "key-isoprene"
>>>>>>
>>>>>> I don't know whether other people are interesting in using a
>>>>>> similar
>>>>>> method but at least for me, it helps.
>>>>>>
>>>>>> Cheers,
>>>>>
>>>>> --
>>>>> Galder Zamarreño
>>>>> Sr. Software Engineer
>>>>> Infinispan, JBoss Cache
>>>>> _______________________________________________
>>>>> infinispan-dev mailing list
>>>>> infinispan-dev at lists.jboss.org
>>>>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>>>>
>>>>
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>>>
>>>
>>>
>>
>> --
>> Galder Zamarreño
>> Sr. Software Engineer
>> Infinispan, JBoss Cache
>> _______________________________________________
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>> infinispan-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>
>
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-- 
Galder Zamarreño
Sr. Software Engineer
Infinispan, JBoss Cache