Re: [wtp-dev] Want to know what your unit test are really doing? Try thi

[Lawrence Mandel <lmandel@xxxxxxxxxx>]

Cool. Thanks for forwarding this on
Valentin. Does this tool have the potential to be integrated with the build
and displayed in a plug-in centric report?

Lawrence Mandel

Software Developer
IBM Rational Software
Phone: 905 - 413 - 3814   Fax: 905 - 413 - 4920
lmandel@xxxxxxxxxx

Valentin Baciu/Toronto/IBM@IBMCA
Sent by: wtp-dev-bounces@xxxxxxxxxxx

12/04/2006 06:03 PM

Please respond to
"General discussion of project-wide or architectural issues."        <wtp-dev@xxxxxxxxxxx>

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Subject	[wtp-dev] Want to know what your unit test are really doing? Try        this...

For a little while I was looking for a good line level code coverage tool.
It had to integrate seamlessly with the JDT and JUnit as well as do its
work without an instrumentation pass. A few months back when I last looked
TPTP www.eclipse.org/tptp did provide a method level code coverage feature.
While better than nothing, it was not really precise enough for methods
with more than one code path. So I decided to wait.

Recently I had time to check again and voila: TPTP provides a decent line
level code coverage feature as a technical preview. I found that the feature
is very lightweight and easy to install. The level of integration with
the JDT is pretty good. 

To get the LLC feature go here: http://www.eclipse.org/downloads/download.php?file=/tptp/4.2.1/TPTP-4.2.1-200609071820D/org.eclipse.tptp.platform.coverage.core-TPTP-4.2.1.zip.
In a strange but good way it seems it does not require the entire TPTP
platform. Also, spend a few minutes and watch this: http://www.eclipse.org/tptp/home/documents/tutorials/viewlets/v4.2/LLC/LineCoverage_viewlet_swf.html

Here's a sample report produced on the component I'm primarily working
on - the WSDL EMF model. As my component lead said when he saw it, it seems
we've got some holes here and there... :-)

Here's how the decorated package explorer looks like (you can turn off
these decorations):

And here's a sample annotated Java editor (the various annotations can
be turned off)

I hope you find this as helpful as I did. 

Regards, 
Valentin _______________________________________________
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