Add codecoverage (#21)

* Add codecoverage

* Add coverlet tool

* add codecov

Author: Matthiee

CommandLineParser.Tests/CommandLineParser.Tests.csproj

@@ -11,6 +11,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="coverlet.msbuild" Version="2.5.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="Moq" Version="4.10.0" />
     <PackageReference Include="xunit" Version="2.4.0" />

build.cake

@@ -1,4 +1,7 @@
 #tool "nuget:?package=xunit.runner.console&version=2.2.0"
+#tool nuget:?package=Codecov
+#addin nuget:?package=Cake.Codecov
+#addin nuget:?package=Cake.Coverlet
 ///////////////////////////////////////////////////////////////////////////////
 // ARGUMENTS
 ///////////////////////////////////////////////////////////////////////////////
@@ -17,6 +20,7 @@ var nuspecFile = $"./{project}/{project}.nuspec";
 var tests = $"./{project}.Tests/{project}.Tests.csproj";
 var publishPath = MakeAbsolute(Directory("./output"));
 var nugetPackageDir = MakeAbsolute(Directory("./nuget"));
+var codeCoverageOutput = MakeAbsolute(Directory("./code-coverage/"));
 
 ///////////////////////////////////////////////////////////////////////////////
 // TASKS
@@ -49,12 +53,29 @@ Task("Test")
     .IsDependentOn("Build")
     .Does( () => {
 
+        var coverletSettings = new CoverletSettings {
+                CollectCoverage = true,
+                CoverletOutputDirectory = codeCoverageOutput,
+                CoverletOutputFormat = CoverletOutputFormat.opencover,
+                CoverletOutputName = $"coverage.xml"
+            };
+
 		DotNetCoreTest(tests,
-        new DotNetCoreTestSettings {
-            NoBuild = true,
-            NoRestore = true,
-            Configuration = configuration
-        });
+            new DotNetCoreTestSettings {
+                NoBuild = true,
+                NoRestore = true,
+                Configuration = configuration
+            }, coverletSettings);
+
+        Information("Print all files: ");
+        foreach(var file in GetFiles($".\\**\\**\\**\\*.*"))
+            {
+                Information(file.FullPath);
+            }
+
+
+        // Upload a coverage report.
+        Codecov($"{codeCoverageOutput}\\coverage.xml");
 });
 
 Task("Publish")
@@ -78,7 +99,7 @@ Task("Publish-NuGet")
         {
             BasePath = publishPath,
             OutputDirectory = nugetPackageDir,
-            IncludeReferencedProjects = true,
+            IncludeReferencedProjects = false,
 
             Properties = new Dictionary<string, string>
             {

codecov.yml

@@ -0,0 +1,26 @@
+codecov:
+  notify:
+    require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: "25...75"
+
+  status:
+    project: yes
+    patch: yes
+    changes: no
+
+parsers:
+  gcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: no
+      macro: no
+
+comment:
+  layout: "header, diff, changes, sunburst, uncovered"
+  behavior: default
+  require_changes: no