[CONFIG] Coverage tool added: coverlet.msbuild

https://github.com/coverlet-coverage/coverlet?tab=readme-ov-file#quick-start
https://stackoverflow.com/questions/62706168/c-sharp-coverlet-results-always-empty

Author: Gonzalo Diaz

.gitignore

@@ -135,3 +135,8 @@ _NCrunch*
 # VSCode C# Dev Kit
 
 .mono
+
+# Coverage
+coverage.cobertura.xml
+coverage.json
+lcov.info

Makefile

@@ -79,7 +79,7 @@ build: env dependencies
 	${PACKAGE_TOOL} build --verbosity ${VERBOSITY_LEVEL}
 
 test: build
-	${PACKAGE_TOOL} test --verbosity ${VERBOSITY_LEVEL}
+	${PACKAGE_TOOL} test --verbosity ${VERBOSITY_LEVEL} --collect:"Code Coverage"
 
 coverage: dependencies
 

algorithm-exercises-csharp/algorithm-exercises-csharp.csproj

@@ -8,14 +8,25 @@
 
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
-    <!---->
+
+    <!-- Coverage -->
+    <CollectCoverage>true</CollectCoverage>
+    <CoverletOutputFormat>lcov</CoverletOutputFormat>
+    <CoverletOutput>./lcov.info</CoverletOutput>
+    <IncludeTestAssembly>true</IncludeTestAssembly>
+
+    <!-- Static Analysis -->
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <CodeAnalysisTreatWarningsAsErrors>false</CodeAnalysisTreatWarningsAsErrors>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="coverlet.msbuild" Version="6.0.2">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
     <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />

algorithm-exercises-csharp/src/UnitTest1.cs renamed to algorithm-exercises-csharp/src/Hello.Test.cs

@@ -6,13 +6,11 @@ public class UnitTest1
   [TestMethod]
   public void TestMethod1()
   {
-  }
-}
+    string expected = "Hello World!";
+    string result = HelloWorld.Hello();
+
+    Assert.AreEqual(expected, result);
 
-public class unittest2
-{
-  [TestMethod]
-  public void TestMethod1()
-  {
   }
 }
+

algorithm-exercises-csharp/src/Hello.cs

@@ -0,0 +1,14 @@
+namespace algorithm_exercises_csharp;
+
+using System.Diagnostics.CodeAnalysis;
+
+public class HelloWorld
+{
+  [ExcludeFromCodeCoverage]
+  protected HelloWorld() {}
+
+  public static string Hello()
+  {
+    return "Hello World!";
+  }
+}