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From Olivier Lamy <ol...@apache.org>
Subject Re: [ALL] jacoco-maven-plugin advantage over cobertura-maven-plugin (CODEC-161)
Date Wed, 30 Jan 2013 16:03:02 GMT
2013/1/30 Gary Gregory <garydgregory@gmail.com>:
> Is Cobertura dead? I'd prefer to keeping using a FOSS test coverage tool
> instead of one behind a license (Clover). Should we switch to Clover (we
> have a license for Apache)? What about Emma?
jacoco is epl.
Have a look at a nice comparison here:
http://www.dzone.com/links/r/code_coverage_tools_jacoco_cobertura_emma_compari.html
Not sure cobertura is still active:
http://cobertura.svn.sourceforge.net/viewvc/cobertura/

>
> Thoughts?
>
> Gary
>
>
> On Wed, Jan 30, 2013 at 7:00 AM, Bruno P. Kinoshita <kinow@apache.org>wrote:
>
>> Hi all,
>>
>> I preferred to write to the mailing list with an [ALL] component tag
>> instead of commenting a resolved issue. I apologize if it was not the right
>> choice.
>>
>> In CODEC-161, the following if statement could never reach 100% coverage
>> with cobertura-maven-plugin:
>>
>> if ((sumLength >= 5) && (sumLength <= 7))
>>
>>
>> The branch where both boolean expressions are false can never be covered
>> with cobertura instrumentation, even when the whole interval is tested (<5,
>> >=5, <=7 and >7). As Sebb pointed out, this could be rewritten as:
>>
>> if (!(sumLength < 5 || sumLength > 7))
>>
>>
>> And then cobertura-maven-plugin could reach 100% coverage. There is
>> already an issue in cobertura-maven-plugin for this [1], but looks like it
>> won't be fixed any soon.
>>
>> However, using jacoco-maven-plugin, it correctly interprets that the whole
>> interval is covered, without the need to rewrite the if statement.
>>
>> Also, using -Djacoco.skip=true skipped the jacoco execution (I think the
>> cobertura-maven-plugin has some issues skipping its execution in maven).
>>
>> The jacoco-maven-plugin is still in 0.6.1.20121212... version, but it may
>> be useful in case a component has problems with the cobertura-maven-plugin.
>> Sonar supports jacoco too.
>>
>> In case someone would like to try, there is a sample project with junit +
>> jacoco-maven-plugin in github [2].
>>
>> Cheers,
>>
>>
>> [1]
>> http://sourceforge.net/tracker/?func=detail&aid=3097325&group_id=130558&atid=720015
>> [2] https://github.com/kinow/tests-for-coverage
>>
>> Bruno P. Kinoshita
>> http://kinoshita.eti.br
>> http://tupilabs.com
>>
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>>
>
>
> --
> E-Mail: garydgregory@gmail.com | ggregory@apache.org
> JUnit in Action, 2nd Ed: <http://goog_1249600977>http://bit.ly/ECvg0
> Spring Batch in Action: <http://s.apache.org/HOq>http://bit.ly/bqpbCK
> Blog: http://garygregory.wordpress.com
> Home: http://garygregory.com/
> Tweet! http://twitter.com/GaryGregory



--
Olivier Lamy
Talend: http://coders.talend.com
http://twitter.com/olamy | http://linkedin.com/in/olamy

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