I’m working on setting up my continuous integration process for a new application. I’m nearing the end of that work, but one outstanding step needs to be done – getting FxCop working against the code base to ensure good code is being committed.
At first, I set up my NAnt script to simply ‘exec’ the fxcopcmd.exe application. While that worked and I did get my results output to the file system, the NAnt script continued on happily even when I had messages that needed to be addressed. I found a few blogs that suggested that I could parse the return code from fxcopcmd.exe, but it always seemed to return 0 – even when there were messages.
That’s when I decided to use the NAntContrib FxCop task in my script. It’s easy enough to integrate. Simply add a <loadtasks> element that points to the nant.contrib.tasks.dll and then add the <fxcop> task to your script. When I did this, I was stymied by a new error:
Error creating FileSet.
Request for the permission of type 'System.Security.Permissions.EnvironmentPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
Turns out that this issue is caused by a rather simple oversight. When you download the .Zip file that contains the NAntContrib DLLs, you have to be sure to unblock them, otherwise the O/S blocks loading them and hence you get the error above. To make matters worse, when I first extracted the files, I hadn’t unblocked the zip, so of course all of the contained files were blocked. When I unblocked the zip and re-extracted overtop of the existing files, it didn’t automatically unblock them – I had to go through them one-by-one and unblock. Once that nuisance was out of the way, the process began working.
Now on to other more pressing matters
[Edit]
After I posted this, I realized that while FxCopCmd was running, none of the results were being saved to the output file and consequently the build wasn’t failing. In order for FxCop to save the results, make sure your .fxcop project has these settings:
<SaveMessages>
<Project Status="None" NewOnly="False" />
<Report Status="Active" NewOnly="False" />
</SaveMessages>
The important one is the <Report Status=”Active”… > element.
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