Added code coverage results for SonarCloud

Author: jaaufauvre

.travis.yml

@@ -18,7 +18,8 @@ script:
     /d:sonar.organization="$SONAR_ORGANIZATION_KEY" \
     /d:sonar.host.url="$SONAR_URL" \
     /d:sonar.login="$SONAR_TOKEN" \
-    /d:sonar.cs.vstest.reportsPaths="./Mastercard.Developer.OAuth1Signer.Tests/TestResults/results.trx"
-  - dotnet test -c Release -l:"trx;LogFileName=results.trx"
+    /d:sonar.cs.vstest.reportsPaths="./Mastercard.Developer.OAuth1Signer.Tests/TestResults/results.trx" \
+    /d:sonar.cs.opencover.reportsPaths="./Mastercard.Developer.OAuth1Signer.Tests/TestResults/coverage.xml"
+  - dotnet test -c Release -l:"trx;LogFileName=results.trx" /p:CollectCoverage=true /p:CoverletOutputFormat="opencover" /p:CoverletOutput="TestResults/coverage.xml"
   - dotnet publish -c Release
   - dotnet sonarscanner end /d:sonar.login="$SONAR_TOKEN"

Mastercard.Developer.OAuth1Signer.Tests/Mastercard.Developer.OAuth1Signer.Tests.csproj

@@ -8,6 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="coverlet.msbuild" Version="2.5.1">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />
     <PackageReference Include="MSTest.TestFramework" Version="1.4.0" />