Re: [aspectj-users] AspectJ and code coverage?

[Simone Gianni <simoneg@xxxxxxxxxx>]

Hi Wim,
I'm using Maven2 + AspectJ + Cobertura successfully, but there are a few 
caveats.

I'm currently weaving first and then instrumenting with cobertura. If I 
remember correctly, I'm cobertura-instrumenting the entire jar. I could 
do this cause in our setup coverage reports are executed in a separate 
step, when generating the project site. Since AspectJ inlines a few 
calls inside methods using "line 1" of the target class file, or the 
first line of the method, you'll see cobertura reporting a lot of hits 
on this lines, even if they does not contain any apparently useful code. 
This may confuse who is used to cobertura reports and not aware of 
AspectJ internals, but can be interpreted as useful informations cause 
you may understand how many instructions are executed because of AspectJ 
aspect lookup.

I also set up a "load time cobertura instrumentation", that goes in pair 
with load time weaving, but in that case if an entire class does not get 
loaded, cobertura knows nothing about it, which alters the global 
coverage measurements, so I dropped it.

If you have a specific error, I can try to investigate it.

Simone



Wim Deblauwe wrote:
> Hi,
>
> is there anybody who is using AspectJ with a code coverage tool. We 
> are using Cobertura and Maven2, but that does not work when you start 
> to add an aspect to your code and you need to use the ajc compiler. I 
> just checked with Atlassian and Clover cannot seem to manage it 
> according to them. Anybody knows a workaround? I don't want to have 
> code coverage on the aspect, I just don't want to loose the coverage 
> on my regular java classes.
>
> regards,
>
> Wim
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--
Simone Gianni            CEO Semeru s.r.l.           Apache Committer
http://www.simonegianni.it/