works?

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Build
+name: Build & Test
 
 on:
   push:
@@ -34,9 +34,12 @@ jobs:
       - name: Build
         run: dotnet build Osu.Patcher.Injector
 
-      - name: Upload artifacts
+      - name: Upload Injector artifact
         uses: actions/upload-artifact@v4
         with:
           name: osu!patcher-debug
           if-no-files-found: error
           path: .\Osu.Patcher.Injector\bin\Debug\net8.0\**
+
+      - name: Run stub tests
+        run: dotnet run --project Osu.Stubs.Tests

.gitignore

@@ -6,3 +6,4 @@ target/
 *.idea
 *.iml
 *DotSettings.user
+**/TestResult.xml

Osu.Stubs.Tests/Osu.Stubs.Tests.csproj

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk" DefaultTargets="Build">
     <PropertyGroup>
+        <OutputType>Exe</OutputType>
         <RootNamespace>Osu.Stubs.Tests</RootNamespace>
         <TargetFramework>net462</TargetFramework>
         <PlatformTarget>x86</PlatformTarget> <!-- Running in 32bit is necessary for loading in osu! -->
@@ -30,6 +31,7 @@
 
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0"/>
         <PackageReference Include="NUnit" Version="4.1.0"/>
+        <PackageReference Include="NUnitLite" Version="4.1.0"/>
         <PackageReference Include="NUnit3TestAdapter" Version="4.5.0"/>
         <PackageReference Include="NUnit.Analyzers" Version="4.1.0">
             <PrivateAssets>all</PrivateAssets>

Osu.Stubs.Tests/OsuApi.cs

@@ -54,15 +54,13 @@ public static async Task DownloadOsu(string dir, ReleaseStream stream = ReleaseS
     {
         var updateFiles = await GetReleaseFiles(ReleaseStream.Stable40);
 
-        foreach (var updateFile in updateFiles)
+        Parallel.ForEach(updateFiles, updateFile =>
         {
             Console.WriteLine($"Downloading {updateFile.FileName}");
+            DownloadFile(updateFile.DownloadUrl, Path.Combine(dir, updateFile.FileName)).Wait();
+        });
 
-            await DownloadFile(
-                updateFile.DownloadUrl,
-                Path.Combine(dir, updateFile.FileName)
-            );
-        }
+        Console.WriteLine("Finished downloading osu!");
     }
 
     private static async Task DownloadFile(string url, string path)

Osu.Stubs.Tests/Program.cs

@@ -0,0 +1,8 @@
+using NUnitLite;
+
+namespace Osu.Stubs.Tests;
+
+public static class Program
+{
+    public static int Main(string[] args) => new AutoRun().Execute(args);
+}

Osu.Stubs.Tests/TestStubs.cs

@@ -6,19 +6,42 @@
 using Osu.Utils.Extensions;
 using Osu.Utils.Lazy;
 
+#pragma warning disable CS0618 // Type or member is obsolete
+
 namespace Osu.Stubs.Tests;
 
 [TestFixture]
 [Parallelizable]
 public class TestStubs
 {
     [TestCaseSource(nameof(LoadStubs))]
-    public void TestStub(ILazy<MemberInfo> lazy) =>
-        Assert.DoesNotThrow(lazy.Fill);
+    public void TestStub(ILazy<MemberInfo> lazy) => Assert.DoesNotThrow(
+        () =>
+        {
+            try
+            {
+                lazy.Fill();
+            }
+            catch (AggregateException e)
+            {
+                if (e.InnerException is ReflectionTypeLoadException typeLoadException)
+                {
+                    throw new AggregateException(typeLoadException.LoaderExceptions);
+                }
+
+                throw e.InnerException!;
+            }
+        }
+    );
+
+    [Test(Description = "Tests cannot be run in 64bit mode!", ExpectedResult = true)]
+    public static bool CheckIs32Bit() => !Environment.Is64BitProcess;
 
     private static IEnumerable<ILazy<MemberInfo>> LoadStubs()
     {
-        var osuDir = Path.Combine(Environment.CurrentDirectory, "osu!");
+        if (!CheckIs32Bit()) return [];
+
+        var osuDir = Path.Combine(Assembly.GetExecutingAssembly().Location, "../osu!");
         var osuExe = Path.Combine(osuDir, "osu!.exe");
 
         if (!Directory.Exists(osuDir)) // TODO: check file hashes to force re-download
@@ -27,10 +50,8 @@ private static IEnumerable<ILazy<MemberInfo>> LoadStubs()
             OsuApi.DownloadOsu(osuDir).Wait();
         }
 
-#pragma warning disable CS0618 // Type or member is obsolete
         // Add osu! directory to assembly search path
         AppDomain.CurrentDomain.AppendPrivatePath(osuDir);
-#pragma warning restore CS0618 // Type or member is obsolete
 
         // Load the osu! executable and it's dependencies as assemblies without executing
         Assembly.LoadFile(osuExe);

Osu.Utils/Lazy/LazyConstructor.cs

@@ -29,7 +29,7 @@ public LazyConstructor(string name, Func<ConstructorInfo> action)
     public string Name { get; }
 
     public ConstructorInfo Reference => this.GetReference(Name, _lazy);
-    
+
     public override string ToString() => $"{nameof(LazyConstructor)}({Name})";
 
     /// <summary>

Osu.Utils/Lazy/LazyField.cs

@@ -27,7 +27,7 @@ public LazyField(string name, Func<FieldInfo> action)
     public string Name { get; }
 
     public FieldInfo Reference => this.GetReference(Name, _lazy);
-    
+
     public override string ToString() => $"{nameof(LazyField<object>)}({Name})";
 
     /// <summary>

Osu.Utils/Lazy/LazyMethod.cs

@@ -29,7 +29,7 @@ public LazyMethod(string name, Func<MethodInfo> action)
     public string Name { get; }
 
     public MethodInfo Reference => this.GetReference(Name, _lazy);
-    
+
     public override string ToString() => $"{nameof(LazyMethod)}({Name})";
 
     /// <summary>