Add coverage summary to gitHub workflow.

.github/workflows/dotnet.yml

@@ -41,4 +41,39 @@ jobs:
     - name: Build
       run: dotnet build --configuration Release --no-restore
     - name: Test
-      run: dotnet test --configuration Release --no-build --verbosity normal
+      run: dotnet test 
+        --configuration Release 
+        --no-build 
+        --verbosity normal 
+        --collect:"XPlat Code Coverage" 
+        --results-directory ./coverage 
+        --settings .runsettings
+
+    - name: Install dotnet coverage
+      if: matrix.os == 'ubuntu-latest'
+      run: dotnet tool install --global dotnet-coverage
+
+    - name: Merge cobertura reports
+      if: matrix.os == 'ubuntu-latest'
+      run: dotnet-coverage merge "coverage/**/*.cobertura.xml" --output ./coverage/merged.cobertura.xml --output-format cobertura
+
+    - name: Create a code coverage summary
+      if: matrix.os == 'ubuntu-latest'
+      uses: irongut/CodeCoverageSummary@v1.3.0
+      with:
+        filename: source/coverage/merged.cobertura.xml 
+        badge: true
+        fail_below_min: true
+        format: markdown
+        hide_branch_rate: false
+        hide_complexity: true
+        indicators: true
+        output: both
+        thresholds: '60 80'
+
+    - name: Add code coverage PR comment
+      if: matrix.os == 'ubuntu-latest' && github.event_name == 'pull_request'
+      uses: marocchino/sticky-pull-request-comment@v2
+      with:
+        recreate: true
+        path: code-coverage-results.md

.gitignore

@@ -32,6 +32,7 @@ bld/
 
 # Coverage Reports
 [Cc]overage[Rr]eport/
+coverage/
 
 # Benchmark Results
 BenchmarkDotNet.Artifacts/

README.md

@@ -8,7 +8,7 @@
 
 A library to safely handle various types of quantities, typically physical quantities.
 
-[![master status](https://github.com/atmoos/Quantities/actions/workflows/dotnet.yml/badge.svg)](https://github.com/atmoos/Quantities/actions/workflows/dotnet.yml)
+[![main status](https://github.com/atmoos/Quantities/actions/workflows/dotnet.yml/badge.svg)](https://github.com/atmoos/Quantities/actions/workflows/dotnet.yml)
 [![nuget package](https://img.shields.io/nuget/v/Atmoos.Quantities.svg?logo=nuget)](https://www.nuget.org/packages/Atmoos.Quantities)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://github.com/atmoos/Quantities/blob/master/LICENSE)
 

source/.runsettings

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RunSettings>
+  <DataCollectionRunSettings>
+    <DataCollectors>
+      <DataCollector friendlyName="XPlat Code Coverage">
+        <Configuration>
+          <Exclude>[Atmoos.Quantities.TestTools]*</Exclude>
+          <ExcludeByAttribute>Obsolete,GeneratedCodeAttribute,CompilerGeneratedAttribute</ExcludeByAttribute>
+          <!-- Exclude the test projects from coverage -->
+          <IncludeTestAssembly>false</IncludeTestAssembly>
+          <!-- Calculate each line hit only once. More conservative -->
+          <SingleHit>true</SingleHit>
+        </Configuration>
+      </DataCollector>
+    </DataCollectors>
+  </DataCollectionRunSettings>
+</RunSettings>

source/Atmoos.Quantities.Test.props

@@ -3,6 +3,7 @@
 
   <PropertyGroup>
     <IsPackable>false</IsPackable>
+    <RunSettingsFilePath>$(MSBuildStartupDirectory)\.runsettings</RunSettingsFilePath>
   </PropertyGroup>
 
   <ItemGroup>