build.fsx

Target "TestCoverage" (fun _ ->
  
  let filters = "-:*.Tests;" # exclude test assemblies from coverage stats
  # run NUnit tests via dotCover
  !! testAssemblies
      |> DotCoverNUnit (fun p -> { p with 
                                      Output = artifactsDir @@ "NUnitDotCover.snapshot"
                                      Filters = filters }) nunitOptions
  # run the MSpec tests via dotCover
  !! testAssemblies
      |> DotCoverMSpec (fun p -> { p with 
                                      Output = artifactsDir @@ "MSpecDotCover.snapshot" 
                                      Filters = filters }) mSpecOptions
  # merge the code coverage files
  DotCoverMerge (fun p -> { p with 
                                Source = [artifactsDir @@ "NUnitDotCover.snapshot";artifactsDir @@ "MSpecDotCover.snapshot"]
                                Output = artifactsDir @@ "DotCover.snapshot" }) 
  # generate a HTML report
  # you could also generate other report types here (such as NDepend)
  DotCoverReport (fun p -> { p with 
                                Source = artifactsDir @@ "DotCover.snapshot"
                                Output = artifactsDir @@ "DotCover.htm"
                                ReportType = DotCoverReportType.Html }) 
)