Merge pull request #406 from MarcoRossignoli/downgradelog

Downgrade verbosity log for hit files not found

Author: tonerdo

build.proj

@@ -24,7 +24,7 @@
   </Target>
 
   <Target Name="RunTests" AfterTargets="CopyMSBuildScripts">
-    <Exec Command="dotnet test &quot;$(MSBuildThisFileDirectory)test\coverlet.core.tests\coverlet.core.tests.csproj&quot; -c $(Configuration) /p:CollectCoverage=true /p:CoverletOutputFormat=opencover /p:Include=[coverlet.*]* -verbosity:minimal"/>
+    <Exec Command="dotnet test &quot;$(MSBuildThisFileDirectory)test\coverlet.core.tests\coverlet.core.tests.csproj&quot; -c $(Configuration) /p:CollectCoverage=true /p:CoverletOutputFormat=opencover /p:Include=[coverlet.*]*"/>
   </Target>
 
   <Target Name="CreateNuGetPackage" AfterTargets="RunTests" Condition="$(Configuration) == 'Release'">

src/coverlet.core/Coverage.cs

@@ -209,7 +209,11 @@ private void CalculateCoverage()
             {
                 if (!File.Exists(result.HitsFilePath))
                 {
-                    _logger.LogWarning($"Hits file:'{result.HitsFilePath}' not found for module: '{result.Module}'");
+                    // Hits file could be missed mainly for two reason
+                    // 1) Issue during module Unload()
+                    // 2) Instrumented module is never loaded or used so we don't have any hit to register and
+                    //    module tracker is never used
+                    _logger.LogVerbose($"Hits file:'{result.HitsFilePath}' not found for module: '{result.Module}'");
                     continue;
                 }