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From Vincent Tence <vte...@pyxis-tech.com>
Subject Re: Help with code coverage
Date Tue, 18 Mar 2014 14:30:31 GMT
Hi Tammo,

I can now generate a consolidated report for unit tests using your modified plugin using:

buildr test jacoco:report

How would you do to also instrument code when running integration tests? Ideally, I'd like
to combine coverage from both unit tests and integration tests. But when I run:

buildr install jacoco:report

it loads execution data files but does not generate any report. Any idea why this is happening?

Thanks a lot,
-- Vincent

P.S. How am I supposed to use the official jacoco plugin. I cannot get it to generate any
report.


On 2014-03-18, at 9:42 AM, Tammo van Lessen <tvanlessen@gmail.com> wrote:

> Hi Vincent,
> 
> I remember that I modified a local jacoco task file for that purpose,
> perhaps you find that helpful:
> https://github.com/apache/ode/blob/master/tasks/jacoco.rake. IIRC it should
> merge the data of multiple projects into one report. But we've never used
> it intensively, so I'm not entirely sure if it works correctly.
> 
> Best,
>  Tammo
> 
> 
> On Tue, Mar 18, 2014 at 1:57 PM, Vincent Tence <vtence@pyxis-tech.com>wrote:
> 
>> Hi Peter,
>> 
>> It would be even better if I can get Jacoco to work instead of emma and
>> cobertura.
>> 
>> I have looked at the sources last week but could not figure a way to merge
>> the reports of multiple projects into one. Since Jacoco is not mentionned
>> in the guide, I thought support was still incomplete.
>> 
>> Can you give me an example of using Jacoco on multiple projects and
>> merging reports?
>> 
>> On a side note, anybody has implemented a plugin for integrating with
>> coveralls.io?
>> 
>> Thanks,
>> -- Vincent
>> 
>> 
>> On 2014-03-17, at 8:39 PM, Peter Donald <peter@realityforge.org> wrote:
>> 
>>> Hi,
>>> 
>>> Sorry I missed this. Did anyone get back to you?
>>> 
>>> We have moved away from both emma and cobertura to jacoco for various
>>> reasons (mostly due to moving to Java 7) and have no problem merging
>>> in data from multiple projects. I had a look on the website and there
>>> does not seem to be any decent documentation for the addon but you can
>>> see the source at [1]. We generate multiple cov files (one for each
>>> project) and then have jenkins merge them into one report. I am not
>>> sure if that helps?
>>> 
>>> [1] https://github.com/apache/buildr/blob/master/addon/buildr/jacoco.rb
>>> 
>>> On Wed, Mar 12, 2014 at 6:37 AM, Vincent Tence <vtence@pyxis-tech.com>
>> wrote:
>>>> Hey guys,
>>>> 
>>>> I have a project composed of several sub-projects for which I'd like to
>> measure code coverage. I'm having trouble getting a top-level coverage
>> report that aggregates coverage for all sub-projects and at the same time
>> let me drill down the results.
>>>> 
>>>> I'm using Buildr 1.4.12.  My project is composed of 3 sub-projects with
>> unit tests and a 4th one that runs integration tests (see build file
>> https://github.com/testinfected/simple-petstore/blob/master/buildfile)
>>>> 
>>>> I'm not having any success with cobertura. If I run:
>>>> 
>>>> buildr test cobertura:html
>>>> 
>>>> it generates an report with only classes from the server sub-project
>> (the one with the integration tests), and coverage is 0% (expected, since
>> these 3 classes are covered at integration level).
>>>> 
>>>> If I add to my buildfile:
>>>> 
>>>> cobertura.include 'org.testinfected.==*=='
>>>> 
>>>> I finally get coverage for all classes, but still without the coverage
>> from integration tests. So it's incomplete.
>>>> 
>>>> If I try running:
>>>> 
>>>> buildr test integration cobertura:html
>>>> 
>>>> report generation fails and cobertura complains that there is no top
>> level reports directory.
>>>> 
>>>> On top of that, I have to require the cobertura plugin in my buildfile,
>> since running:
>>>> 
>>>> buildr -rbuildr/java/cobertura test cobertura:html
>>>> 
>>>> fails with:
>>>> 
>>>> RuntimeError : Internal error: attempting to access local setting
>> before buildfile located
>>>> 
>>>> With Emma, it's a lot better. It works almost flawlessly running:
>>>> 
>>>> buildr -rbuildr/java/emma package emma:html
>>>> 
>>>> I get the top level report with aggregates of the sub-projects, but I
>> cannot drill down into the report. The top level report references html
>> pages that are not found in the top level report dir.
>>>> 
>>>> If I want the details, I have to generate individual sub-projects
>> reports, e.g.
>>>> 
>>>> buildr -rbuildr/java/emma package petstore:domain:emma:html
>>>> 
>>>> and look into the sub-projects individually.
>>>> 
>>>> Does anybody know how to get a top level report with Emma that support
>> drilling down with data from sub-projects?
>>>> 
>>>> Any idea why I'm having no luck with the cobertura plugin?
>>>> 
>>>> Thanks a lot,
>>>> -- Vincent
>>>> 
>>> 
>>> 
>>> 
>>> --
>>> Cheers,
>>> 
>>> Peter Donald
>> 
>> 
> 
> 
> -- 
> Tammo van Lessen - http://www.taval.de


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