Add unit tests

Directory.Build.props

@@ -33,9 +33,7 @@ SPDX-License-Identifier: MIT
     <IsPackable>false</IsPackable>
     <IsPublishable>false</IsPublishable>
     <IsTrimmable>true</IsTrimmable>
-    <!--
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)\strongname.snk</AssemblyOriginatorKeyFile>
-    -->
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <NoWarn>CS1591</NoWarn>
 

UnitTests/TaskTests.cs

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: 2024 Frans van Dorsselaer
+//
+// SPDX-License-Identifier: MIT
+
+using System.Reflection;
+
+namespace UnitTests;
+
+[TestClass]
+sealed class TaskTests
+{
+    public required TestContext TestContext { get; set; }
+
+    static string GetVersionFile()
+    {
+        for (var directory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+            directory is not null; directory = Path.GetDirectoryName(directory))
+        {
+            var file = Path.Combine(directory, "obj", "gitversion.json");
+            if (File.Exists(file))
+            {
+                return file;
+            }
+        }
+        throw new FileNotFoundException("gitversion.json");
+    }
+
+    [TestMethod]
+    public void GenerateGitVersionInformation_WithIntermediateOutputPath()
+    {
+        var task = new Dorssel.GitVersion.MsBuild.GenerateGitVersionInformation
+        {
+            VersionFile = GetVersionFile(),
+            IntermediateOutputPath = TestContext.TestRunDirectory!
+        };
+        var result = task.Execute();
+        Assert.IsTrue(result);
+    }
+}

UnitTests/UnitTests.csproj

@@ -8,6 +8,19 @@ SPDX-License-Identifier: MIT
 
   <PropertyGroup>
     <TargetFramework>$(MainTargetFramework)</TargetFramework>
+
+    <!-- Be strict when testing, even in Release (at the cost of performance) -->
+    <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
+
+    <SignAssembly>true</SignAssembly>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\GitVersion.MsBuild\GitVersion.MsBuild.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Build.Utilities.Core" />
+  </ItemGroup>
+
 </Project>

strongname.snk.license

@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2024 Frans van Dorsselaer
+
+SPDX-License-Identifier: MIT