Add code coverage (#31)

Author: sungam3r

.github/workflows/test.yml

@@ -58,12 +58,14 @@ jobs:
         run: dotnet build --no-restore -c Debug
       - name: Test solution [Debug]
         working-directory: src
-        run: dotnet test --no-restore -p:CollectCoverage=true
+        run: dotnet test --no-restore -p:CollectCoverage=true -p:CoverletOutputFormat=opencover -p:CoverletOutput=../.coverage/
       - name: Upload coverage to codecov
         if: ${{ startsWith(matrix.os, 'ubuntu') }}
         uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
-          files: .coverage/Destructurama.ByIgnoring.Tests/coverage.net8.opencover.xml
+          files: src/.coverage/*.opencover.xml
 
   buildcheck:
     needs:

README.md

@@ -2,7 +2,7 @@
 
 ![License](https://img.shields.io/github/license/destructurama/json-net)
 
-[![codecov](https://codecov.io/gh/destructurama/json-net/branch/master/graph/badge.svg?token=0ZRHIUEQM4)](https://codecov.io/gh/destructurama/json-net)
+[![codecov](https://codecov.io/gh/destructurama/json-net/graph/badge.svg?token=abGh9D57gU)](https://codecov.io/gh/destructurama/json-net)
 [![Nuget](https://img.shields.io/nuget/dt/Destructurama.JsonNet)](https://www.nuget.org/packages/Destructurama.JsonNet)
 [![Nuget](https://img.shields.io/nuget/v/Destructurama.JsonNet)](https://www.nuget.org/packages/Destructurama.JsonNet)
 

src/Destructurama.JsonNet.Tests/Destructurama.JsonNet.Tests.csproj

@@ -14,6 +14,10 @@
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Shouldly" Version="4.2.1" />
     <PackageReference Include="PublicApiGenerator" Version="11.1.0" />
+    <PackageReference Include="coverlet.msbuild" Version="6.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 
   <ItemGroup>