Add separate step to generate coverage reports

src/Test/Test.csproj

@@ -15,6 +15,10 @@
     </ItemGroup>
 
     <ItemGroup>
+        <PackageReference Include="coverlet.collector" Version="3.2.0">
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+          <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
         <PackageReference Include="xunit" Version="2.4.1" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />

src/dev.sh

@@ -203,6 +203,12 @@ function runtest ()
     dotnet msbuild -t:test -p:PackageRuntime="${RUNTIME_ID}" -p:BUILDCONFIG="${BUILD_CONFIG}" -p:RunnerVersion="${RUNNER_VERSION}" ./dir.proj || failed "failed tests"
 }
 
+function coverage ()
+{
+    heading "Coverage ..."
+    cd Test && dotnet test --collect:"XPlat Code Coverage"
+}
+
 function format()
 {
     heading "Formatting..."
@@ -369,6 +375,7 @@ case $DEV_CMD in
     "p") package;;
     "format") format;;
     "f") format;;
+    "c") coverage;;
     *) echo "Invalid cmd.  Use build(b), test(t), layout(l), package(p), or format(f)";;
 esac