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ReportGenerator branch coverage does not match Cobertura input file

See original GitHub issue

I’m running ReportGenerator on a Cobertura XML file and the file contains this:

<coverage line-rate="0.859" branch-rate="0.758" version="1.9" timestamp="1546449905" lines-covered="275" lines-valid="320" branches-covered="50" branches-valid="66">

When I view the report, ReportGenerator is saying that my Branch coverage is 88% and not 75.8%:

I’m not merging any output files or anything fancy. I just have one Cobertura file that gets generated and I pass that directly in to ReportGenerator. Why is this happening?

Version: ReportGenerator 4.0.4

Issue Analytics

State:
Created 5 years ago
Comments:5 (2 by maintainers)

Top GitHub Comments

1reaction

ToastyMallowscommented, Jan 3, 2019

Ok that makes sense. Thanks for the explanation @danielpalme!

0reactions

danielpalmecommented, Jan 3, 2019

Yes ReportGenerator does not reuse the numbers of the Cobertura file.

Reasons:

The numbers are not always easy to understand (see above)
ReportGenerator also supports other input formats (not only Cobertura), which have other metrics
ReportGenerator supports merging of several files