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Excluding autogenerated code
openshac
#1 Posted : Tuesday, February 3, 2015 1:16:19 PM(UTC)
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What is the recommended way to exclude auto-generated code from NCrunch code-coverage?

At the moment I've got a number of classes that are generated using T4 Templates. The partial classes are currently preceded with the following standard Microsoft comments:

Quote:

//------------------------------------------------------------------------------
// <auto-generated>
// This code was generated by a tool.
//
// Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------
Remco
#2 Posted : Tuesday, February 3, 2015 9:50:19 PM(UTC)
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Hi, thanks for posting.

At the moment, there is no feature that will let you handle this directly on a macro-level. You're welcome to request one on uservoice if you like.

There are some other options below that might get you close to what you are after:

- You can turn off the code coverage for an entire project/assembly by turning off the 'Instrument output assembly' project-level configuration setting
- It's possible to turn off code coverage using comments in the code. If its possible to change the auto generation template this could work well - http://www.ncrunch.net/documentation/concepts_code-coverage-suppression.
- If the generated code is all under the same namespace, you can exclude it from metrics aggregation in the Metrics Window so that it won't be applied to your metrics totals. I suggest this as I assume the reason you want to exclude this code is to remove its impact on your metrics.
openshac
#3 Posted : Wednesday, February 4, 2015 9:36:20 AM(UTC)
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Hi Remco,

I am generating the code myself so I think adding comments to the code will be the easiest solution. As I am currently just on an evaluation licence ATM I was trying to keep the code as NCrunch independent as possible, but this should be fine.

Thanks for your help.
Ralf Koban
#4 Posted : Wednesday, February 4, 2015 4:21:19 PM(UTC)
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Hi,

we are using a similar approach (generating classes via T4 templates).
To exclude them from code coverage (not only NCrunch but also dotCover, MSTest, NCover, etc.), we add/generate the [ExcludeFromCodeCoverage] attribute to the generated classes.

Maybe that suits you as well.

BR,
Ralf
1 user thanked Ralf Koban for this useful post.
openshac on 2/4/2015(UTC)
openshac
#5 Posted : Wednesday, February 4, 2015 4:39:16 PM(UTC)
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Ralf,

That's exactly what I was looking for.

Cheers

Charlie
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