Merge pull request #62 from SimonG96/UseIncrementalGenerator

Use incremental generator to generate factories

.github/workflows/ci.yml

@@ -9,10 +9,10 @@ jobs:
     
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
-    - uses: actions/setup-dotnet@v1
+      uses: actions/checkout@v5
+    - uses: actions/setup-dotnet@v5
       with:
-        dotnet-version: '9.0.x'
+        dotnet-version: '10.x'
     - name: Build
       run: dotnet build
   
@@ -23,10 +23,10 @@ jobs:
     
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
-    - uses: actions/setup-dotnet@v1
+      uses: actions/checkout@v5
+    - uses: actions/setup-dotnet@v5
       with:
-        dotnet-version: '9.0.x'
+        dotnet-version: '10.x'
     - name: Run tests
       run: dotnet test
     

.github/workflows/deploy.yml

@@ -11,10 +11,10 @@ jobs:
     
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
-    - uses: actions/setup-dotnet@v1
+      uses: actions/checkout@v5
+    - uses: actions/setup-dotnet@v5
       with:
-        dotnet-version: '9.0.x'
+        dotnet-version: '10.x'
     - name: Build
       run: dotnet build -c Release -o output
     - name: Deploy to nuGet gallery

.gitignore

@@ -52,7 +52,6 @@ BenchmarkDotNet.Artifacts/
 project.lock.json
 project.fragment.lock.json
 artifacts/
-**/Properties/launchSettings.json
 
 # StyleCop
 StyleCopReport.xml

Debug.LightweightIocContainer.FactoryGenerator/Debug.LightweightIocContainer.FactoryGenerator.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <LangVersion>preview</LangVersion>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\LightweightIocContainer\LightweightIocContainer.csproj" />
+        <ProjectReference Include="..\LightweightIocContainer.FactoryGenerator\LightweightIocContainer.FactoryGenerator.csproj"
+                          OutputItemType="Analyzer"
+                          ReferenceOutputAssembly="false"/>
+    </ItemGroup>
+</Project>

Debug.LightweightIocContainer.FactoryGenerator/SampleInstaller.cs

@@ -0,0 +1,20 @@
+// Author: Simon.Gockner
+// Created: 2025-12-01
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+using Debug.LightweightIocContainer.FactoryGenerator.Samples;
+using Debug.LightweightIocContainer.FactoryGenerator.Samples.Factories;
+using Debug.LightweightIocContainer.FactoryGenerator.Samples.Interfaces;
+using LightweightIocContainer.FactoryGenerator;
+using LightweightIocContainer.Interfaces.Installers;
+using LightweightIocContainer.Interfaces.Registrations;
+
+namespace Debug.LightweightIocContainer.FactoryGenerator;
+
+public class SampleInstaller : IIocInstaller
+{
+    public void Install(IRegistrationCollector registration)
+    {
+        registration.Add<ISampleClass, SampleClass>().WithGeneratedFactory<ISampleClassFactory>();
+    }
+}

Debug.LightweightIocContainer.FactoryGenerator/Samples/Factories/ISampleClassFactory.cs

@@ -0,0 +1,21 @@
+using Debug.LightweightIocContainer.FactoryGenerator.Samples.Interfaces;
+
+namespace Debug.LightweightIocContainer.FactoryGenerator.Samples.Factories;
+
+public interface ISampleClassFactory
+{
+    ISampleClass Create();
+    T Create<T>() where T : ISampleClass;
+    Task<ISampleClass> CreateAsync();
+    
+    ISampleClass Create(string name);
+    T Create<T, U, V>(U param1, V param2) where T : ISampleClass where U : class, new() where V : struct;
+    Task<T> CreateAsync<T, U>(U parameter) where T : ISampleClass where U : class;
+    
+    ISampleClass Create<T>(Task<T> task) where T : Task<ISampleClass?>;
+    
+    Task<T?> Create<T>(ISampleClass? sampleClass) where T : class, ISampleClass;
+    ISampleClass? Create(int id);
+    
+    void ClearMultitonInstance<T>() where T : ISampleClass;
+}

Debug.LightweightIocContainer.FactoryGenerator/Samples/Interfaces/ISampleClass.cs

@@ -0,0 +1,3 @@
+namespace Debug.LightweightIocContainer.FactoryGenerator.Samples.Interfaces;
+
+public interface ISampleClass;

Debug.LightweightIocContainer.FactoryGenerator/Samples/SampleClass.cs

@@ -0,0 +1,9 @@
+// Author: Simon.Gockner
+// Created: 2025-12-01
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+using Debug.LightweightIocContainer.FactoryGenerator.Samples.Interfaces;
+
+namespace Debug.LightweightIocContainer.FactoryGenerator.Samples;
+
+public class SampleClass : ISampleClass;

LICENSE.md

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 Simon G.
+Copyright (c) 2025 Simon G.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

LightweightIocContainer.FactoryGenerator/FactoryGenerator.cs

@@ -0,0 +1,346 @@
+// Author: Simon.Gockner
+// Created: 2025-12-01
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+using System.Collections.Immutable;
+using System.Text;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+
+namespace LightweightIocContainer.FactoryGenerator;
+
+[Generator]
+public class FactoryGenerator : IIncrementalGenerator
+{
+    private const string EXTENSION_CLASS_NAME = "FactoryExtensions";
+    private const string BUILDER_CLASS_NAME = "FactoryBuilder";
+    
+    private const string GENERATED_FILE_HEADER = "//---GENERATED by FactoryGenerator! DO NOT EDIT!---";
+    private const string INDENT = "    ";
+    
+    private const string CLEAR_MULTITON_INSTANCE_METHOD_NAME = "ClearMultitonInstance";
+    
+    public void Initialize(IncrementalGeneratorInitializationContext context)
+    {
+        string? classNamespace = typeof(FactoryGenerator).Namespace;
+        context.RegisterPostInitializationOutput(c => c.AddSource($"{EXTENSION_CLASS_NAME}.g.cs", GenerateFactoryExtensionsClass(classNamespace, EXTENSION_CLASS_NAME)));
+
+        IncrementalValuesProvider<ITypeSymbol?> syntaxProvider = context.SyntaxProvider.CreateSyntaxProvider(IsCallToGenerateFactory, GetTypeArgument);
+        
+        context.RegisterSourceOutput(syntaxProvider.Collect(), GenerateTypeDependentClasses);
+        context.RegisterSourceOutput(syntaxProvider.Collect(), GenerateFactory);
+    }
+
+    private string GenerateFactoryExtensionsClass(string? classNamespace, string className)
+    {
+        StringBuilder stringBuilder = new();
+        
+        stringBuilder.AppendLine(GENERATED_FILE_HEADER);
+        stringBuilder.AppendLine();
+
+        stringBuilder.AppendLine("using LightweightIocContainer.Interfaces.Factories;");
+        stringBuilder.AppendLine("using LightweightIocContainer.Interfaces.Registrations;");
+        stringBuilder.AppendLine();
+        
+        if (!string.IsNullOrEmpty(classNamespace))
+        {
+            stringBuilder.AppendLine($"namespace {classNamespace};");
+            stringBuilder.AppendLine();
+        }
+        
+        stringBuilder.AppendLine($"public static class {className}");
+        stringBuilder.AppendLine("{");
+        
+        stringBuilder.AppendLine($"{INDENT}public static IRegistrationBase WithGeneratedFactory<TFactory>(this IRegistrationBase registration)");
+        stringBuilder.AppendLine($"{INDENT}{{");
+        stringBuilder.AppendLine($"{INDENT}{INDENT}FactoryBuilder factoryBuilder = new();");
+        stringBuilder.AppendLine($"{INDENT}{INDENT}registration.AddGeneratedFactory<TFactory>(factoryBuilder);");
+        stringBuilder.AppendLine();
+        stringBuilder.AppendLine($"{INDENT}{INDENT}return registration;");
+        stringBuilder.AppendLine($"{INDENT}}}");
+        
+        stringBuilder.AppendLine("}");
+        
+        return stringBuilder.ToString();
+    }
+
+    private bool IsCallToGenerateFactory(SyntaxNode node, CancellationToken cancellationToken)
+    {
+        if (!node.IsKind(SyntaxKind.GenericName) || node is not GenericNameSyntax genericNameSyntax)
+            return false;
+
+        if (!genericNameSyntax.ToString().StartsWith("WithGeneratedFactory"))
+            return false;
+
+        if (genericNameSyntax.TypeArgumentList.Arguments[0] is not IdentifierNameSyntax)
+            return false;
+
+        return true;
+    }
+    
+    private ITypeSymbol? GetTypeArgument(GeneratorSyntaxContext syntaxContext, CancellationToken cancellationToken)
+    {
+        if (syntaxContext.Node is not GenericNameSyntax genericNameSyntax)
+            return null;
+        
+        if (genericNameSyntax.TypeArgumentList.Arguments[0] is not IdentifierNameSyntax identifierNameSyntax)
+            return null;
+
+        if (syntaxContext.SemanticModel.GetSymbolInfo(identifierNameSyntax).Symbol is not ITypeSymbol typeSymbol)
+            return null;
+
+        return typeSymbol;
+    }
+    
+    private void GenerateTypeDependentClasses(SourceProductionContext context, ImmutableArray<ITypeSymbol?> types)
+    {
+        string? classNamespace = typeof(FactoryGenerator).Namespace;
+        context.AddSource($"{BUILDER_CLASS_NAME}.g.cs", GenerateBuilderClassSourceCode(classNamespace, types));
+    }
+    
+    private void GenerateFactory(SourceProductionContext context, ImmutableArray<ITypeSymbol?> types)
+    {
+        foreach (ISymbol? symbol in types.Distinct(SymbolEqualityComparer.IncludeNullability))
+        {
+            if (symbol is not ITypeSymbol typeSymbol)
+                continue;
+        
+            context.AddSource($"Generated{typeSymbol.Name}.g.cs", GenerateFactorySourceCode(typeSymbol));
+        }
+    }
+
+    private string GenerateBuilderClassSourceCode(string? classNamespace, ImmutableArray<ITypeSymbol?> types)
+    {
+        StringBuilder stringBuilder = new();
+
+        stringBuilder.AppendLine(GENERATED_FILE_HEADER);
+        stringBuilder.AppendLine();
+
+        stringBuilder.AppendLine("using LightweightIocContainer.Interfaces.Factories;");
+        
+        foreach (string typeNamespace in GetNamespacesOfTypes(types)) 
+            stringBuilder.AppendLine($"using {typeNamespace};");
+        
+        stringBuilder.AppendLine();
+
+        if (classNamespace is not null)
+        {
+            stringBuilder.AppendLine($"namespace {classNamespace};");
+            stringBuilder.AppendLine();
+        }
+        
+        stringBuilder.AppendLine("public class FactoryBuilder : IFactoryBuilder");
+        stringBuilder.AppendLine("{");
+        stringBuilder.AppendLine($"{INDENT}public TFactory Create<TFactory>(IocContainer container)");
+        stringBuilder.AppendLine($"{INDENT}{{");
+
+        foreach (ISymbol? symbol in types.Distinct(SymbolEqualityComparer.IncludeNullability))
+        {
+            if (symbol is not ITypeSymbol type)
+                continue;
+            
+            stringBuilder.AppendLine($"{INDENT}{INDENT}if (typeof(TFactory) == typeof({type.Name}))");
+            stringBuilder.AppendLine($"{INDENT}{INDENT}{{");
+            stringBuilder.AppendLine($"{INDENT}{INDENT}{INDENT}return (TFactory) (object) new Generated{type.Name}(container);");
+            stringBuilder.AppendLine($"{INDENT}{INDENT}}}");
+            stringBuilder.AppendLine();
+        }
+        
+        stringBuilder.AppendLine($"{INDENT}{INDENT}throw new Exception(\"Invalid type.\");");
+        
+        stringBuilder.AppendLine($"{INDENT}}}");
+        stringBuilder.AppendLine("}");
+
+        return stringBuilder.ToString();
+    }
+    
+    private string GenerateFactorySourceCode(ITypeSymbol typeSymbol)
+    {
+        string typeName = typeSymbol.Name;
+        string? typeNamespace = typeSymbol.ContainingNamespace.IsGlobalNamespace ? null : typeSymbol.ContainingNamespace.ToString();
+        
+        StringBuilder stringBuilder = new();
+
+        stringBuilder.AppendLine(GENERATED_FILE_HEADER);
+        stringBuilder.AppendLine();
+        
+        stringBuilder.AppendLine("#nullable enable");
+        stringBuilder.AppendLine();
+
+        stringBuilder.AppendLine("using LightweightIocContainer;");
+        
+        ImmutableArray<ISymbol> members = typeSymbol.GetMembers();
+
+        List<string?> namespaces = [];
+        foreach (ISymbol? member in members)
+        {
+            if (member is not IMethodSymbol method)
+                continue;
+
+            if (!method.ReturnsVoid)
+            {
+                if (method.ReturnType is INamedTypeSymbol { IsGenericType: true } namedTypeSymbol)
+                {
+                    namespaces.AddRange(namedTypeSymbol.TypeArguments.Select(GetNamespaceOfType));
+                    
+                    if (method.ReturnType.Name != "Task")
+                        namespaces.Add(GetNamespaceOfType(method.ReturnType));
+                }
+                else
+                    namespaces.Add(GetNamespaceOfType(method.ReturnType));
+            }
+
+            namespaces.AddRange(method.Parameters.Select(p => GetNamespaceOfType(p.Type)));
+        }
+
+        foreach (string @namespace in namespaces.Distinct().OfType<string>().OrderBy(n => n)) 
+            stringBuilder.AppendLine($"using {@namespace};");
+        
+        stringBuilder.AppendLine();
+
+        if (typeNamespace is not null)
+        {
+            stringBuilder.AppendLine($"namespace {typeNamespace};");
+            stringBuilder.AppendLine();
+        }
+
+        stringBuilder.AppendLine($"public class Generated{typeName}(IocContainer container) : {typeName}");
+        stringBuilder.AppendLine("{");
+
+        foreach (ISymbol? member in members)
+        {
+            if (member is not IMethodSymbol method)
+                continue;
+
+            if (!method.ReturnsVoid) //create method
+            {
+                stringBuilder.Append($"{INDENT}public {GetTypeText(method.ReturnType)} {method.Name}");
+                
+                if (method.IsGenericMethod) 
+                    stringBuilder.Append(GetGenericParameters(method));
+                
+                stringBuilder.Append($"({string.Join(", ", method.Parameters.Select(GetParameterText))})");
+
+                if (method.IsGenericMethod) 
+                    stringBuilder.Append(GetParameterConstraintsText(method));
+                
+                stringBuilder.AppendLine();
+                stringBuilder.AppendLine($"{INDENT}{{");
+
+                foreach (IParameterSymbol parameter in method.Parameters)
+                {
+                    stringBuilder.AppendLine($"{INDENT}{INDENT}object? {parameter.Name}Value = {parameter.Name};");
+                    stringBuilder.AppendLine($"{INDENT}{INDENT}if ({parameter.Name}Value is null)");
+                    stringBuilder.AppendLine($"{INDENT}{INDENT}{INDENT}{parameter.Name}Value = new NullParameter(typeof({GetTypeText(parameter.Type, false)}));");
+                    stringBuilder.AppendLine();
+                }
+                
+                //don't use getTypeText here, because we need the raw type name for Task<>
+                if (method.ReturnType is INamedTypeSymbol { IsGenericType: true } namedTypeSymbol) 
+                {
+                    if (method.ReturnType.Name == "Task") 
+                        stringBuilder.Append($"{INDENT}{INDENT}return container.FactoryResolveAsync{GetGenericArguments(namedTypeSymbol)}(");
+                    else
+                        stringBuilder.Append($"{INDENT}{INDENT}return container.FactoryResolve<{method.ReturnType.Name}{GetGenericArguments(namedTypeSymbol)}>(");
+                }
+                else
+                    stringBuilder.Append($"{INDENT}{INDENT}return container.FactoryResolve<{method.ReturnType.Name}>(");
+                
+                stringBuilder.Append(string.Join(", ", method.Parameters.Select(p => $"{p.Name}Value")));
+                stringBuilder.AppendLine(");");
+                
+                stringBuilder.AppendLine($"{INDENT}}}");
+            }
+            else if (method is { Name: CLEAR_MULTITON_INSTANCE_METHOD_NAME, IsGenericMethod: true })
+            {
+                stringBuilder.Append($"{INDENT}public void {method.Name}{GetGenericParameters(method)}()");
+                stringBuilder.Append(GetParameterConstraintsText(method));
+                
+                stringBuilder.AppendLine($" => container.ClearMultitonInstances{GetGenericArguments(method)}();");
+            }
+            
+            if (members.IndexOf(member) < members.Length - 1) //only append empty line if not the last member
+                stringBuilder.AppendLine();
+        }
+
+        stringBuilder.AppendLine("}");
+        
+        return stringBuilder.ToString();
+    }
+
+    private string? GetNamespaceOfType(ITypeSymbol s) => s.ContainingNamespace.IsGlobalNamespace ? null : s.ContainingNamespace.ToString();
+    private IEnumerable<string> GetNamespacesOfTypes(ImmutableArray<ITypeSymbol?> types) =>
+        types.OfType<ITypeSymbol>()
+            .Select(GetNamespaceOfType)
+            .OfType<string>()
+            .Distinct();
+
+    private string GetTypeText(ITypeSymbol typeSymbol) => GetTypeText(typeSymbol, true);
+    private string GetTypeText(ITypeSymbol typeSymbol, bool allowNullable)
+    {
+        StringBuilder stringBuilder = new();
+        stringBuilder.Append(typeSymbol.Name);
+        
+        if (typeSymbol is INamedTypeSymbol { IsGenericType: true } namedTypeSymbol)
+            stringBuilder.Append(GetGenericArguments(namedTypeSymbol));
+        
+        if (allowNullable && typeSymbol.NullableAnnotation == NullableAnnotation.Annotated)
+            stringBuilder.Append("?");
+        
+        return stringBuilder.ToString();
+    }
+
+    private string GetParameterText(IParameterSymbol parameter) => $"{GetTypeText(parameter.Type)} {parameter.Name}";
+    private string GetGenericArguments(INamedTypeSymbol namedTypeSymbol) => GetGenericArguments(namedTypeSymbol.TypeArguments);
+    private string GetGenericArguments(IMethodSymbol methodSymbol) => GetGenericArguments(methodSymbol.TypeArguments);
+    private string GetGenericArguments(ImmutableArray<ITypeSymbol> typeArguments) => $"<{string.Join(", ", typeArguments.Select(GetTypeText))}>";
+
+    private string GetGenericParameters(IMethodSymbol methodSymbol) => GetGenericParameters(methodSymbol.TypeParameters);
+    private string GetGenericParameters(ImmutableArray<ITypeParameterSymbol> typeParameters) => $"<{string.Join(", ", typeParameters.Select(GetTypeText))}>";
+    
+    private string GetParameterConstraintsText(IMethodSymbol method)
+    {
+        StringBuilder stringBuilder = new();
+        
+        foreach (ITypeParameterSymbol typeParameter in method.TypeParameters)
+        {
+            List<string> parameterConstraints = GetParameterConstraints(typeParameter);
+            if (parameterConstraints.Count == 0)
+                continue;
+                        
+            stringBuilder.Append($" where {typeParameter.Name} : {string.Join(", ", parameterConstraints)}");
+        }
+        
+        return stringBuilder.ToString();
+    }
+
+    private List<string> GetParameterConstraints(ITypeParameterSymbol typeParameterSymbol)
+    {
+        List<string> constraints = [];
+        if (typeParameterSymbol.HasReferenceTypeConstraint)
+            constraints.Add("class");
+        
+        if (typeParameterSymbol.HasValueTypeConstraint)
+            constraints.Add("struct");
+        
+        if (typeParameterSymbol.HasUnmanagedTypeConstraint)
+            constraints.Add("unmanaged");
+        
+        if (typeParameterSymbol.HasNotNullConstraint)
+            constraints.Add("notnull");
+        
+        foreach (ITypeSymbol constraintType in typeParameterSymbol.ConstraintTypes)
+        {
+            if (constraintType is INamedTypeSymbol { IsGenericType: true } namedTypeSymbol)
+                constraints.Add($"{constraintType.Name}{GetGenericArguments(namedTypeSymbol)}");
+            else
+                constraints.Add(constraintType.Name);
+        }
+        
+        if (typeParameterSymbol.HasConstructorConstraint)
+            constraints.Add("new()");
+        
+        return constraints;
+    }
+}

LightweightIocContainer.FactoryGenerator/LightweightIocContainer.FactoryGenerator.csproj

@@ -0,0 +1,39 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netstandard2.0</TargetFramework>
+        <Authors>SimonG</Authors>
+        <Copyright>Copyright(c) 2025 SimonG. All Rights Reserved.</Copyright>
+        <Description>Incremental generator to generate factories</Description>
+        <RepositoryUrl>https://github.com/SimonG96/LightweightIocContainer</RepositoryUrl>
+        <LangVersion>preview</LangVersion>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
+        <IsRoslynComponent>true</IsRoslynComponent>
+        <VersionPrefix>5.0.0</VersionPrefix>
+        <VersionSuffix>beta</VersionSuffix>
+    </PropertyGroup>
+
+    <PropertyGroup>
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+        <IncludeBuildOutput>false</IncludeBuildOutput>
+        <SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
+        <PackageProjectUrl>https://github.com/SimonG96/LightweightIocContainer</PackageProjectUrl>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+        <PackageReadmeFile>README.md</PackageReadmeFile>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <Content Include="README.md" Pack="true" PackagePath="" />
+    </ItemGroup>
+    
+    <ItemGroup>
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" PrivateAssets="all" Pack="false" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <!-- Package the generator in the analyzer directory of the nuget package -->
+        <None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
+    </ItemGroup>
+</Project>

LightweightIocContainer.FactoryGenerator/Properties/launchSettings.json

@@ -0,0 +1,9 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "DebugRoslynSourceGenerator": {
+      "commandName": "DebugRoslynComponent",
+      "targetProject": "../Debug.LightweightIocContainer.FactoryGenerator/Debug.LightweightIocContainer.FactoryGenerator.csproj"
+    }
+  }
+}

LightweightIocContainer.FactoryGenerator/README.md

@@ -0,0 +1,23 @@
+## Get started with the Lightweight IOC Container Factory Generator
+
+### How to install
+
+The easiest way to [install](https://github.com/SimonG96/LghtweightIocContainer/wiki/Install-Lightweight-IOC-Container) the Lightweight IOC Container is by using [NuGet](https://www.nuget.org/packages/LightweightIocContainer.FactoryGenerator/) through the [`.NET CLI`](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container#net-cli):
+
+```.net
+> dotnet add package LightweightIocContainer.FactoryGenerator --version 5.0.0
+```
+
+### Example usage
+
+When registering an interface you can use the `WithGeneratedFactory<>()` method to generate a factory for the registered type:
+
+```c#
+public class SampleInstaller : IIocInstaller
+{
+    public void Install(IRegistrationCollector registration)
+    {
+        registration.Add<ISampleClass, SampleClass>().WithGeneratedFactory<ISampleClassFactory>();
+    }
+}
+```

LightweightIocContainer.Validation/LightweightIocContainer.Validation.csproj

@@ -1,45 +1,45 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-    <Authors>SimonG</Authors>
-    <Copyright>Copyright(c) 2024 SimonG. All Rights Reserved.</Copyright>
-    <Description>A lightweight IOC Container Validator.</Description>
-    <RepositoryUrl>https://github.com/SimonG96/LightweightIocContainer</RepositoryUrl>
-    <LangVersion>latest</LangVersion>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <DocumentationFile>LightweightIocContainer.Validation.xml</DocumentationFile>
-    <VersionPrefix>4.4.0</VersionPrefix>
-  </PropertyGroup>
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <Authors>SimonG</Authors>
+        <Copyright>Copyright(c) 2025 SimonG. All Rights Reserved.</Copyright>
+        <Description>A lightweight IOC Container Validator.</Description>
+        <RepositoryUrl>https://github.com/SimonG96/LightweightIocContainer</RepositoryUrl>
+        <LangVersion>latest</LangVersion>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <DocumentationFile>LightweightIocContainer.Validation.xml</DocumentationFile>
+        <VersionPrefix>5.0.0</VersionPrefix>
+        <VersionSuffix>beta</VersionSuffix>
+    </PropertyGroup>
   
-  <PropertyGroup>
-    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <PackageProjectUrl>https://github.com/SimonG96/LightweightIocContainer</PackageProjectUrl>
-    <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <PackageReadmeFile>README.md</PackageReadmeFile>
-    <IncludeSymbols>true</IncludeSymbols>
-    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-  </PropertyGroup>
+    <PropertyGroup>
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+        <PackageProjectUrl>https://github.com/SimonG96/LightweightIocContainer</PackageProjectUrl>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+        <PackageReadmeFile>README.md</PackageReadmeFile>
+        <IncludeSymbols>true</IncludeSymbols>
+        <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    </PropertyGroup>
   
-  <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="NSubstitute" Version="5.3.0" />
-    <PackageReference Include="System.Reflection.Emit" Version="4.7.0" />
-  </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="NSubstitute" Version="5.3.0" />
+    </ItemGroup>
   
-  <ItemGroup>
-    <Content Include="README.md" Pack="true" PackagePath="" />
-  </ItemGroup>
+    <ItemGroup>
+        <Content Include="README.md" Pack="true" PackagePath="" />
+    </ItemGroup>
   
-  <ItemGroup Condition="Exists('..\LightweightIocContainer\LightweightIocContainer.csproj')">
-    <ProjectReference Include="..\LightweightIocContainer\LightweightIocContainer.csproj" />
-  </ItemGroup>
-  <ItemGroup Condition="!Exists('..\LightweightIocContainer\LightweightIocContainer.csproj')">
-    <PackageReference Include="LightweightIocContainer" Version="$(Version)" />
-  </ItemGroup>
+    <ItemGroup Condition="Exists('..\LightweightIocContainer\LightweightIocContainer.csproj')">
+        <ProjectReference Include="..\LightweightIocContainer\LightweightIocContainer.csproj" />
+    </ItemGroup>
+    <ItemGroup Condition="!Exists('..\LightweightIocContainer\LightweightIocContainer.csproj')">
+        <PackageReference Include="LightweightIocContainer" Version="$(Version)" />
+    </ItemGroup>
     
-</Project>
+</Project>

LightweightIocContainer.Validation/README.md

@@ -5,7 +5,7 @@
 The easiest way to [install](https://github.com/SimonG96/LghtweightIocContainer/wiki/Install-Lightweight-IOC-Container) the Lightweight IOC Container is by using [NuGet](https://www.nuget.org/packages/LightweightIocContainer.Validation/) through the [`.NET CLI`](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container#net-cli):
 
 ```.net
-> dotnet add package LightweightIocContainer.Validaton --version 4.4.0-beta2
+> dotnet add package LightweightIocContainer.Validation --version 5.0.0
 ```
 
 ### Validation

LightweightIocContainer.sln

@@ -11,6 +11,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LightweightIocContainer.Val
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Test.LightweightIocContainer.Validation", "Test.LightweightIocContainer.Validation\Test.LightweightIocContainer.Validation.csproj", "{82818CE7-6219-4A2E-A506-3AE09A00578C}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LightweightIocContainer.FactoryGenerator", "LightweightIocContainer.FactoryGenerator\LightweightIocContainer.FactoryGenerator.csproj", "{3AAB43AC-1CBA-4A81-81CB-1EAC2AB792E3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Debug.LightweightIocContainer.FactoryGenerator", "Debug.LightweightIocContainer.FactoryGenerator\Debug.LightweightIocContainer.FactoryGenerator.csproj", "{578ED8B2-A2BE-4E10-9422-4D5AF2E605E0}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Test.LightweightIocContainer.FactoryGenerator", "Test.LightweightIocContainer.FactoryGenerator\Test.LightweightIocContainer.FactoryGenerator.csproj", "{0CB46F2E-5429-40BB-9F9F-31606B212E81}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -33,6 +39,18 @@ Global
 		{82818CE7-6219-4A2E-A506-3AE09A00578C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{82818CE7-6219-4A2E-A506-3AE09A00578C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{82818CE7-6219-4A2E-A506-3AE09A00578C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3AAB43AC-1CBA-4A81-81CB-1EAC2AB792E3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3AAB43AC-1CBA-4A81-81CB-1EAC2AB792E3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3AAB43AC-1CBA-4A81-81CB-1EAC2AB792E3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3AAB43AC-1CBA-4A81-81CB-1EAC2AB792E3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{578ED8B2-A2BE-4E10-9422-4D5AF2E605E0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{578ED8B2-A2BE-4E10-9422-4D5AF2E605E0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{578ED8B2-A2BE-4E10-9422-4D5AF2E605E0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{578ED8B2-A2BE-4E10-9422-4D5AF2E605E0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0CB46F2E-5429-40BB-9F9F-31606B212E81}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0CB46F2E-5429-40BB-9F9F-31606B212E81}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0CB46F2E-5429-40BB-9F9F-31606B212E81}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0CB46F2E-5429-40BB-9F9F-31606B212E81}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

LightweightIocContainer/Factories/TypedFactory.cs

@@ -19,10 +19,16 @@ public class TypedFactory<TFactory> : TypedFactoryBase<TFactory>, ITypedFactory<
     private const string CLEAR_MULTITON_INSTANCE_METHOD_NAME = "ClearMultitonInstance";
 
     /// <summary>
-    /// The 
+    /// Constructor for creating factories dynamically
     /// </summary>
     /// <param name="container">The current instance of the <see cref="IIocContainer"/></param>
     public TypedFactory(IocContainer container) => Factory = CreateFactory(container);
+    
+    /// <summary>
+    /// Constructor for generated factories
+    /// </summary>
+    /// <param name="factory">The generated factory instance</param>
+    public TypedFactory(TFactory factory) => Factory = factory;
 
     /// <summary>
     /// The implemented abstract typed factory/>

LightweightIocContainer/Interfaces/Factories/IFactoryBuilder.cs

@@ -0,0 +1,19 @@
+// Author: Simon.Gockner
+// Created: 2025-12-02
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+namespace LightweightIocContainer.Interfaces.Factories;
+
+/// <summary>
+/// Internal class used by the factory source generator to create factory instances
+/// </summary>
+public interface IFactoryBuilder
+{
+    /// <summary>
+    /// Internal method used by the factory source generator to create factory instances
+    /// </summary>
+    /// <param name="container">The current instance of the <see cref="IocContainer"/></param>
+    /// <typeparam name="TFactory">The type of the factory</typeparam>
+    /// <returns>The created factory instance</returns>
+    TFactory Create<TFactory>(IocContainer container);
+}

LightweightIocContainer/Interfaces/Registrations/Fluent/IWithFactory.cs

@@ -25,6 +25,13 @@ public interface IWithFactory
     /// <typeparam name="TFactoryImplementation">The type of the implementation for the custom factory</typeparam>
     /// <returns>The current instance of this <see cref="IRegistrationBase"/></returns>
     IRegistrationBase WithFactory<TFactoryInterface, TFactoryImplementation>() where TFactoryImplementation : TFactoryInterface;
+
+    /// <summary>
+    /// Internal method used by the factory source generator to add the generated factory to the registration
+    /// </summary>
+    /// <param name="factoryBuilder">The factory creator</param>
+    /// <typeparam name="TFactory">The type of the generated factory</typeparam>
+    void AddGeneratedFactory<TFactory>(IFactoryBuilder factoryBuilder);
 }
 
 internal interface IWithFactoryInternal : IWithFactory

LightweightIocContainer/LightweightIocContainer.csproj

@@ -1,38 +1,38 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-    <Authors>SimonG</Authors>
-    <Copyright>Copyright(c) 2024 SimonG. All Rights Reserved.</Copyright>
-    <Description>A lightweight IOC Container that is powerful enough to do all the things you need it to do.</Description>
-    <RepositoryUrl>https://github.com/SimonG96/LightweightIocContainer</RepositoryUrl>
-    <LangVersion>latest</LangVersion>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <DocumentationFile>LightweightIocContainer.xml</DocumentationFile>
-    <VersionPrefix>4.4.0</VersionPrefix>
-  </PropertyGroup>
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <Authors>SimonG</Authors>
+        <Copyright>Copyright(c) 2025 SimonG. All Rights Reserved.</Copyright>
+        <Description>A lightweight IOC Container that is powerful enough to do all the things you need it to do.</Description>
+        <RepositoryUrl>https://github.com/SimonG96/LightweightIocContainer</RepositoryUrl>
+        <LangVersion>latest</LangVersion>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <DocumentationFile>LightweightIocContainer.xml</DocumentationFile>
+        <VersionPrefix>5.0.0</VersionPrefix>
+        <VersionSuffix>beta</VersionSuffix>
+    </PropertyGroup>
 
-  <PropertyGroup>
-    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <PackageProjectUrl>https://github.com/SimonG96/LightweightIocContainer</PackageProjectUrl>
-    <PackageLicenseFile>LICENSE.md</PackageLicenseFile>
-    <PackageReadmeFile>README.md</PackageReadmeFile>
-    <IncludeSymbols>true</IncludeSymbols>
-    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-  </PropertyGroup>
+    <PropertyGroup>
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+        <PackageProjectUrl>https://github.com/SimonG96/LightweightIocContainer</PackageProjectUrl>
+        <PackageLicenseFile>LICENSE.md</PackageLicenseFile>
+        <PackageReadmeFile>README.md</PackageReadmeFile>
+        <IncludeSymbols>true</IncludeSymbols>
+        <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="System.Reflection.Emit" Version="4.7.0" />
-  </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+    </ItemGroup>
 
-  <ItemGroup>
-    <Content Include="..\README.md" Pack="true" PackagePath="" />
-    <Content Include="..\LICENSE.md" Pack="true" PackagePath="" />
-  </ItemGroup>
+    <ItemGroup>
+        <Content Include="..\README.md" Pack="true" PackagePath="" />
+        <Content Include="..\LICENSE.md" Pack="true" PackagePath="" />
+    </ItemGroup>
 
-</Project>
+</Project>

LightweightIocContainer/LightweightIocContainer.xml

@@ -384,10 +384,16 @@
         </member>
         <member name="M:LightweightIocContainer.Factories.TypedFactory`1.#ctor(LightweightIocContainer.IocContainer)">
             <summary>
-            The 
+            Constructor for creating factories dynamically
             </summary>
             <param name="container">The current instance of the <see cref="T:LightweightIocContainer.Interfaces.IIocContainer"/></param>
         </member>
+        <member name="M:LightweightIocContainer.Factories.TypedFactory`1.#ctor(`0)">
+            <summary>
+            Constructor for generated factories
+            </summary>
+            <param name="factory">The generated factory instance</param>
+        </member>
         <member name="P:LightweightIocContainer.Factories.TypedFactory`1.Factory">
             <summary>
             The implemented abstract typed factory/>
@@ -480,6 +486,19 @@
             <param name="assembly">The given <see cref="T:System.Reflection.Assembly"/></param>
             <returns>A new <see cref="T:LightweightIocContainer.Interfaces.Installers.IAssemblyInstaller"/> with the given <see cref="T:System.Reflection.Assembly"/></returns>
         </member>
+        <member name="T:LightweightIocContainer.Interfaces.Factories.IFactoryBuilder">
+            <summary>
+            Internal class used by the factory source generator to create factory instances
+            </summary>
+        </member>
+        <member name="M:LightweightIocContainer.Interfaces.Factories.IFactoryBuilder.Create``1(LightweightIocContainer.IocContainer)">
+            <summary>
+            Internal method used by the factory source generator to create factory instances
+            </summary>
+            <param name="container">The current instance of the <see cref="T:LightweightIocContainer.IocContainer"/></param>
+            <typeparam name="TFactory">The type of the factory</typeparam>
+            <returns>The created factory instance</returns>
+        </member>
         <member name="T:LightweightIocContainer.Interfaces.Factories.ITypedFactory">
             <summary>
             Non-generic <see cref="T:LightweightIocContainer.Interfaces.Factories.ITypedFactory`1"/>
@@ -664,6 +683,13 @@
             <typeparam name="TFactoryImplementation">The type of the implementation for the custom factory</typeparam>
             <returns>The current instance of this <see cref="T:LightweightIocContainer.Interfaces.Registrations.IRegistrationBase"/></returns>
         </member>
+        <member name="M:LightweightIocContainer.Interfaces.Registrations.Fluent.IWithFactory.AddGeneratedFactory``1(LightweightIocContainer.Interfaces.Factories.IFactoryBuilder)">
+            <summary>
+            Internal method used by the factory source generator to add the generated factory to the registration
+            </summary>
+            <param name="factoryBuilder">The factory creator</param>
+            <typeparam name="TFactory">The type of the generated factory</typeparam>
+        </member>
         <member name="P:LightweightIocContainer.Interfaces.Registrations.Fluent.IWithFactoryInternal.Factory">
             <summary>
             The Factory added with the <see cref="M:LightweightIocContainer.Interfaces.Registrations.Fluent.IWithFactory.WithFactory``1"/> method
@@ -1595,6 +1621,13 @@
             <typeparam name="TFactory">The type of the abstract typed factory</typeparam>
             <returns>The current instance of this <see cref="T:LightweightIocContainer.Interfaces.Registrations.IRegistrationBase"/></returns>
         </member>
+        <member name="M:LightweightIocContainer.Registrations.RegistrationBase.AddGeneratedFactory``1(LightweightIocContainer.Interfaces.Factories.IFactoryBuilder)">
+            <summary>
+            Internal method used by the factory source generator to add the generated factory to the registration
+            </summary>
+            <param name="factoryBuilder">The factory creator</param>
+            <typeparam name="TFactory">The type of the generated factory</typeparam>
+        </member>
         <member name="M:LightweightIocContainer.Registrations.RegistrationBase.WithFactory``2">
             <summary>
             Register a custom implemented factory for the <see cref="T:LightweightIocContainer.Interfaces.Registrations.IRegistrationBase"/>

LightweightIocContainer/Properties/AssemblyInfo.cs

@@ -7,4 +7,5 @@ using System.Runtime.CompilerServices;
 [assembly:InternalsVisibleTo("LightweightIocContainer.Validation")]
 
 [assembly:InternalsVisibleTo("Test.LightweightIocContainer")]
+[assembly:InternalsVisibleTo("Test.LightweightIocContainer.FactoryGenerator")]
 [assembly:InternalsVisibleTo("Test.LightweightIocContainer.Validation")]

LightweightIocContainer/Registrations/RegistrationBase.cs

@@ -121,6 +121,19 @@ internal abstract class RegistrationBase : IRegistrationBase, IWithFactoryIntern
         return this;
     }
 
+    /// <summary>
+    /// Internal method used by the factory source generator to add the generated factory to the registration
+    /// </summary>
+    /// <param name="factoryBuilder">The factory creator</param>
+    /// <typeparam name="TFactory">The type of the generated factory</typeparam>
+    public void AddGeneratedFactory<TFactory>(IFactoryBuilder factoryBuilder)
+    {
+        TypedFactory<TFactory> factory = new(factoryBuilder.Create<TFactory>(_container));
+        Factory = factory;
+            
+        _container.RegisterFactory(factory);
+    }
+
     /// <summary>
     /// Register a custom implemented factory for the <see cref="IRegistrationBase"/>
     /// </summary>

README.md

@@ -12,6 +12,10 @@ A lightweight IOC Container that is powerful enough to do all the things you nee
 [![Nuget](https://img.shields.io/nuget/v/LightweightIocContainer.Validation.svg?label=Validation%20NuGet%20Version&logo=NuGet)](https://www.nuget.org/packages/LightweightIocContainer.Validation/)
 [![Nuget (with prereleases)](https://img.shields.io/nuget/vpre/LightweightIocContainer.Validation.svg?label=Validation%20NuGet%20Pre-Release&logo=NuGet)](https://www.nuget.org/packages/LightweightIocContainer.Validation/)
 
+[![Nuget](https://img.shields.io/nuget/dt/LightweightIocContainer.FactoryGenerator.svg?label=FactoryGenerator%20NuGet%20Downloads&logo=NuGet)](https://www.nuget.org/packages/LightweightIocContainer.FactoryGenerator/)
+[![Nuget](https://img.shields.io/nuget/v/LightweightIocContainer.FactoryGenerator.svg?label=FactoryGenerator%20NuGet%20Version&logo=NuGet)](https://www.nuget.org/packages/LightweightIocContainer.FactoryGenerator/)
+[![Nuget (with prereleases)](https://img.shields.io/nuget/vpre/LightweightIocContainer.FactoryGenerator.svg?label=FactoryGenerator%20NuGet%20Pre-Release&logo=NuGet)](https://www.nuget.org/packages/LightweightIocContainer.FactoryGenerator/)
+
 ## Get started with the Lightweight IOC Container
 
 ### How to install
@@ -19,7 +23,7 @@ A lightweight IOC Container that is powerful enough to do all the things you nee
 The easiest way to [install](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container) the Lightweight IOC Container is by using [NuGet](https://www.nuget.org/packages/LightweightIocContainer/) through the [`.NET CLI`](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container#net-cli):
 
 ```.net
-> dotnet add package LightweightIocContainer --version 4.4.0
+> dotnet add package LightweightIocContainer --version 5.0.0
 ```
 
 ### Example usage
@@ -59,7 +63,7 @@ The easiest way to [install](https://github.com/SimonG96/LightweightIocContainer
 There is the option to install the [LightweightIocContainer.Validation](https://www.nuget.org/packages/LightweightIocContainer.Validation/) package:
 
 ```.net
-> dotnet add package LightweightIocContainer.Validaton --version 4.4.0
+> dotnet add package LightweightIocContainer.Validation --version 5.0.0
 ```
 
 With this you can validate your `IocContainer` setup by using the `IocValidator` in a unit test:

Test.LightweightIocContainer.FactoryGenerator/AsyncFactoryTest.cs

@@ -0,0 +1,60 @@
+// Author: Simon.Gockner
+// Created: 2025-12-03
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+using LightweightIocContainer;
+using LightweightIocContainer.FactoryGenerator;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator;
+
+[TestFixture]
+public class AsyncFactoryTest
+{
+    [Test]
+    public async Task TestAsyncFactoryResolve()
+    {
+        IocContainer container = new();
+        container.Register(r => r.Add<IAsyncTest, AsyncTest>().WithGeneratedFactory<IAsyncTestFactory>());
+
+        IAsyncTestFactory testFactory = container.Resolve<IAsyncTestFactory>();
+        IAsyncTest test = await testFactory.Create();
+        
+        Assert.That(test, Is.InstanceOf<AsyncTest>());
+    }
+    
+    [Test]
+    public async Task TestAsyncFactoryResolveOnCreateCalled()
+    {
+        IocContainer container = new();
+        container.Register(r => r.Add<IAsyncTest, AsyncTest>().OnCreateAsync(t => t.Initialize()).WithGeneratedFactory<IAsyncTestFactory>());
+
+        IAsyncTestFactory testFactory = container.Resolve<IAsyncTestFactory>();
+        IAsyncTest test = await testFactory.Create();
+        
+        Assert.That(test, Is.InstanceOf<AsyncTest>());
+        Assert.That(test.IsInitialized, Is.True);
+    }
+
+    [Test]
+    public async Task TestAsyncMultitonFactoryResolveOnCreateCalledCorrectly()
+    {
+        IocContainer container = new();
+        container.Register(r => r.AddMultiton<IAsyncTest, AsyncMultitonTest, int>().OnCreateAsync(t => t.Initialize()).WithGeneratedFactory<IAsyncMultitonTestFactory>());
+        
+        IAsyncMultitonTestFactory testFactory = container.Resolve<IAsyncMultitonTestFactory>();
+        IAsyncTest test1 = await testFactory.Create(1);
+        IAsyncTest test2 = await testFactory.Create(2);
+        IAsyncTest anotherTest1 = await testFactory.Create(1);
+        
+        Assert.That(test1, Is.InstanceOf<AsyncTest>());
+        Assert.That(test1.IsInitialized, Is.True);
+        
+        Assert.That(test2, Is.InstanceOf<AsyncTest>());
+        Assert.That(test2.IsInitialized, Is.True);
+
+        Assert.That(test1, Is.SameAs(anotherTest1));
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/FluentFactoryRegistrationTest.cs

@@ -0,0 +1,212 @@
+// Author: Simon.Gockner
+// Created: 2025-12-03
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+using LightweightIocContainer;
+using LightweightIocContainer.Exceptions;
+using LightweightIocContainer.FactoryGenerator;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator;
+
+[TestFixture]
+public class FluentFactoryRegistrationTest
+{
+    private IocContainer _iocContainer;
+
+    [SetUp]
+    public void SetUp() => _iocContainer = new IocContainer();
+
+    [TearDown]
+    public void TearDown() => _iocContainer.Dispose();
+        
+    [Test]
+    public void TestFluentFactoryRegistration()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, DefaultTest>().WithGeneratedFactory<IDefaultTestFactory>());
+
+        IDefaultTestFactory factory = _iocContainer.Resolve<IDefaultTestFactory>();
+        IDefaultTest test = factory.Create();
+        
+        Assert.That(factory, Is.InstanceOf<IDefaultTestFactory>());
+        Assert.That(test, Is.InstanceOf<IDefaultTest>());
+    }
+        
+    [Test]
+    public void TestFluentFactoryRegistrationResolveWithoutFactoryFails()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, DefaultTest>().WithGeneratedFactory<IDefaultTestFactory>());
+        Assert.Throws<DirectResolveWithRegisteredFactoryNotAllowed>(()=>_iocContainer.Resolve<IDefaultTest>());
+    }
+        
+    [Test]
+    public void TestRegisterFactoryWithoutCreate() => Assert.Throws<InvalidFactoryRegistrationException>(() => _iocContainer.Register(r => r.Add<IDefaultTest, DefaultTest>().WithGeneratedFactory<ITestFactoryNoCreate>()));
+        
+    [Test]
+    public void TestResolveFromFactory()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, DefaultTest>().WithGeneratedFactory<IDefaultTestFactory>());
+        
+        IDefaultTestFactory testFactory = _iocContainer.Resolve<IDefaultTestFactory>();
+        IDefaultTest createdTest = testFactory.Create();
+        
+        Assert.That(createdTest, Is.InstanceOf<DefaultTest>());
+    }
+        
+    [Test]
+    public void TestResolveFromFactoryWithParams()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, TestConstructor>().WithGeneratedFactory<IDefaultTestFactory>());
+        _iocContainer.Register(r => r.Add<DefaultTest, DefaultTest>()); //this registration is abnormal and should only be used in unit tests
+        
+        IDefaultTestFactory testFactory = _iocContainer.Resolve<IDefaultTestFactory>();
+        IDefaultTest createdTest = testFactory.Create("Test");
+        
+        Assert.That(createdTest, Is.InstanceOf<TestConstructor>());
+    }
+        
+    [Test]
+    public void TestResolveFromFactoryWithDefaultParamCreate()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, TestConstructor>().WithGeneratedFactory<IDefaultTestFactory>());
+        _iocContainer.Register(r => r.Add<DefaultTest, DefaultTest>()); //this registration is abnormal and should only be used in unit tests
+        
+        IDefaultTestFactory testFactory = _iocContainer.Resolve<IDefaultTestFactory>();
+        IDefaultTest createdTest = testFactory.CreateTest();
+        
+        Assert.That(createdTest, Is.InstanceOf<TestConstructor>());
+    }
+        
+    [Test]
+    public void TestResolveFromFactoryWithDefaultParamCtor()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, TestConstructor>().WithGeneratedFactory<IDefaultTestFactory>());
+        _iocContainer.Register(r => r.Add<DefaultTest, DefaultTest>()); //this registration is abnormal and should only be used in unit tests
+        
+        IDefaultTestFactory testFactory = _iocContainer.Resolve<IDefaultTestFactory>();
+        IDefaultTest createdTest = testFactory.Create();
+        
+        Assert.That(createdTest, Is.InstanceOf<TestConstructor>());
+    }
+        
+    [Test]
+    public void TestResolveFromFactoryWithByte()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, TestByte>().WithGeneratedFactory<IDefaultTestFactory>());
+        
+        IDefaultTestFactory testFactory = _iocContainer.Resolve<IDefaultTestFactory>();
+        IDefaultTest createdTest = testFactory.Create(1);
+        
+        Assert.That(createdTest, Is.InstanceOf<TestByte>());
+    }
+
+    [Test]
+    public void TestPassingNullAsMiddleParameter()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, TestNull>().WithGeneratedFactory<ITestNullFactory>());
+
+        ITestNullFactory testNullFactory = _iocContainer.Resolve<ITestNullFactory>();
+
+        object obj = new();
+        string content = "TestContent";
+        string optional2 = "optionalParameter2";
+
+        IDefaultTest createdTest = testNullFactory.Create(obj, content, null!, optional2);
+        if (createdTest is not TestNull testNull)
+        {
+            Assert.Fail();
+            return;
+        }
+        
+        Assert.That(testNull.Obj, Is.SameAs(obj));
+        Assert.That(testNull.Content, Is.EqualTo(content));
+        Assert.That(testNull.Optional1, Is.Null);
+        Assert.That(testNull.Optional2, Is.EqualTo(optional2));
+    }
+    
+    [Test]
+    public void TestPassingNullAsDefaultParameter()
+    {
+        _iocContainer.Register(r => r.Add<IDefaultTest, TestNull>().WithGeneratedFactory<ITestDefaultFactory>());
+
+        ITestDefaultFactory testDefaultFactory = _iocContainer.Resolve<ITestDefaultFactory>();
+
+        object obj = new();
+        string content = "TestContent";
+        string optional2 = "optionalParameter2";
+
+        IDefaultTest createdTest = testDefaultFactory.Create(obj, content, null!, optional2);
+        if (createdTest is not TestNull testNull)
+        {
+            Assert.Fail();
+            return;
+        }
+        
+        Assert.That(testNull.Obj, Is.SameAs(obj));
+        Assert.That(testNull.Content, Is.EqualTo(content));
+        Assert.That(testNull.Optional1, Is.Null);
+        Assert.That(testNull.Optional2, Is.EqualTo(optional2));
+        Assert.That(testNull.TestNullFactory, Is.Null);
+    }
+        
+    [Test]
+    public void TestResolveMultitonFromFactory()
+    {
+        _iocContainer.Register(r => r.AddMultiton<IDefaultTest, TestMultiton, MultitonScope>().WithGeneratedFactory<IMultitonTestFactory>());
+        
+        MultitonScope scope1 = new();
+        MultitonScope scope2 = new();
+        
+        IMultitonTestFactory testFactory = _iocContainer.Resolve<IMultitonTestFactory>();
+        
+        IDefaultTest resolvedTest1 = testFactory.Create(scope1);
+        IDefaultTest resolvedTest2 = testFactory.Create(scope1);
+        IDefaultTest resolvedTest3 = testFactory.Create(scope2);
+        
+        Assert.That(resolvedTest1, Is.SameAs(resolvedTest2));
+        Assert.That(resolvedTest1, Is.Not.SameAs(resolvedTest3));
+        Assert.That(resolvedTest2, Is.Not.SameAs(resolvedTest3));
+    }
+        
+    [Test]
+    public void TestResolveMultitonFromFactoryClearInstances()
+    {
+        _iocContainer.Register(r => r.AddMultiton<IDefaultTest, TestMultiton, MultitonScope>().WithGeneratedFactory<IMultitonTestFactory>());
+        
+        MultitonScope scope1 = new();
+        MultitonScope scope2 = new();
+        
+        IMultitonTestFactory testFactory = _iocContainer.Resolve<IMultitonTestFactory>();
+        
+        IDefaultTest resolvedTest1 = testFactory.Create(scope1);
+        IDefaultTest resolvedTest2 = testFactory.Create(scope1);
+        IDefaultTest resolvedTest3 = testFactory.Create(scope2);
+        
+        Assert.That(resolvedTest1, Is.SameAs(resolvedTest2));
+        Assert.That(resolvedTest1, Is.Not.SameAs(resolvedTest3));
+        Assert.That(resolvedTest2, Is.Not.SameAs(resolvedTest3));
+        
+        testFactory.ClearMultitonInstance<IDefaultTest>();
+        
+        IDefaultTest resolvedTest4 = testFactory.Create(scope1);
+        IDefaultTest resolvedTest5 = testFactory.Create(scope2);
+        
+        Assert.That(resolvedTest1, Is.Not.SameAs(resolvedTest4));
+        Assert.That(resolvedTest2, Is.Not.SameAs(resolvedTest4));
+        Assert.That(resolvedTest3, Is.Not.SameAs(resolvedTest5));
+    }
+
+    [Test]
+    public void InvalidMultitonFactoryRegistrationFactoryWithoutParameter() => 
+        Assert.Throws<InvalidFactoryRegistrationException>(() => _iocContainer.Register(r => r.AddMultiton<IDefaultTest, DefaultTest, MultitonScope>().WithGeneratedFactory<IDefaultTestFactory>()));
+        
+    [Test]
+    public void InvalidMultitonFactoryRegistrationFactoryWithoutScopeAsFirstParameter() => 
+        Assert.Throws<InvalidFactoryRegistrationException>(() => _iocContainer.Register(r => r.AddMultiton<IDefaultTest, DefaultTest, MultitonScope>().WithGeneratedFactory<IInvalidMultitonTestFactory>()));
+
+    [Test]
+    public void TestInvalidCreateMethodReturnType() => 
+        Assert.Throws<InvalidFactoryRegistrationException>(() => _iocContainer.Register(r => r.Add<IDefaultTest, DefaultTest>().WithGeneratedFactory<ITestFactoryWrongReturn>()));
+}

Test.LightweightIocContainer.FactoryGenerator/MultiLayerResolveTest.cs

@@ -0,0 +1,40 @@
+// Author: Simon.Gockner
+// Created: 2025-12-03
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+using LightweightIocContainer;
+using LightweightIocContainer.FactoryGenerator;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator;
+
+[TestFixture]
+public class MultiLayerResolveTest
+{
+    [Test]
+    public void TestResolveFactoryAsCtorParameter()
+    {
+        IocContainer container = new();
+        container.Register(r => r.Add<IA, A>().WithGeneratedFactory<IAFactory>());
+        container.Register(r => r.Add<IB, B>().WithGeneratedFactory<IBFactory>());
+
+        IAFactory aFactory = container.Resolve<IAFactory>();
+        IA a = aFactory.Create();
+        Assert.That(a, Is.InstanceOf<A>());
+    }
+
+    [Test]
+    public void TestResolveSingleTypeRegistrationAsCtorParameter()
+    {
+        IocContainer container = new();
+        container.Register(r => r.Add<IA, A>());
+        container.Register(r => r.Add<IB, B>().WithGeneratedFactory<IBFactory>());
+        container.Register(r => r.Add<C>().WithFactoryMethod(_ => new C("test")));
+
+        IBFactory bFactory = container.Resolve<IBFactory>();
+        IB b = bFactory.Create();
+        Assert.That(b, Is.InstanceOf<B>());
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/OpenGenericRegistrationTest.cs

@@ -0,0 +1,41 @@
+// Author: Simon.Gockner
+// Created: 2025-12-03
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+using LightweightIocContainer;
+using LightweightIocContainer.FactoryGenerator;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator;
+
+[TestFixture]
+public class OpenGenericRegistrationTest
+{
+    private IocContainer _iocContainer;
+
+    [SetUp]
+    public void SetUp() => _iocContainer = new IocContainer();
+
+    [TearDown]
+    public void TearDown() => _iocContainer.Dispose();
+    
+    [Test]
+    public void TestRegisterFactoryOfOpenGenericType()
+    {
+        _iocContainer.Register(r => r.AddOpenGenerics(typeof(IGenericTest<>), typeof(GenericTest<>)).WithGeneratedFactory<IGenericTestFactory>());
+        IGenericTestFactory testFactory = _iocContainer.Resolve<IGenericTestFactory>();
+        IGenericTest<Constraint> test = testFactory.Create<Constraint>();
+        Assert.That(test, Is.InstanceOf<GenericTest<Constraint>>());
+    }
+
+    [Test]
+    public void TestRegisterFactoryOfOpenGenericTypeWithCtorParameter()
+    {
+        _iocContainer.Register(r => r.AddOpenGenerics(typeof(IGenericTest<>), typeof(CtorGenericTest<>)).WithGeneratedFactory<ICtorGenericTestFactory>());
+        ICtorGenericTestFactory testFactory = _iocContainer.Resolve<ICtorGenericTestFactory>();
+        IGenericTest<Constraint> test = testFactory.Create(new Constraint());
+        Assert.That(test, Is.InstanceOf<CtorGenericTest<Constraint>>());
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/Test.LightweightIocContainer.FactoryGenerator.csproj

@@ -0,0 +1,33 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <LangVersion>latest</LangVersion>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="coverlet.collector" Version="6.0.4"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+        <PackageReference Include="NUnit" Version="4.4.0" />
+        <PackageReference Include="NUnit.Analyzers" Version="4.11.2">
+          <PrivateAssets>all</PrivateAssets>
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="NUnit3TestAdapter" Version="6.0.0-beta.3" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <Using Include="NUnit.Framework"/>
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\LightweightIocContainer\LightweightIocContainer.csproj" />
+        <ProjectReference Include="..\LightweightIocContainer.FactoryGenerator\LightweightIocContainer.FactoryGenerator.csproj"
+                          OutputItemType="Analyzer"
+                          ReferenceOutputAssembly="false"/>
+    </ItemGroup>
+
+</Project>

Test.LightweightIocContainer.FactoryGenerator/TestClasses/A.cs

@@ -0,0 +1,10 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class A : IA
+{
+    public A(IBFactory bFactory) => BProperty = bFactory.Create(new C("from A"));
+    public IB BProperty { get; }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/AsyncMultitonTest.cs

@@ -0,0 +1,13 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class AsyncMultitonTest(int id) : AsyncTest
+{
+    public int Id { get; } = id;
+    public override async Task Initialize()
+    {
+        if (IsInitialized)
+            throw new Exception();
+            
+        await base.Initialize();
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/AsyncTest.cs

@@ -0,0 +1,14 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class AsyncTest : IAsyncTest
+{
+    public bool IsInitialized { get; private set; }
+
+    public virtual async Task Initialize()
+    {
+        await Task.Delay(200);
+        IsInitialized = true;
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/B.cs

@@ -0,0 +1,10 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class B : IB
+{
+    public B(C c) => C = c;
+
+    public C C { get; }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/C.cs

@@ -0,0 +1,9 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class C
+{
+    public C(string test)
+    {
+            
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Constraint.cs

@@ -0,0 +1,9 @@
+// Author: Simon.Gockner
+// Created: 2025-12-03
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class Constraint : IConstraint;

Test.LightweightIocContainer.FactoryGenerator/TestClasses/CtorGenericTest.cs

@@ -0,0 +1,11 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class CtorGenericTest<T> : IGenericTest<T> where T : IConstraint, new()
+{
+    public CtorGenericTest(T item)
+    {
+            
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/DefaultTest.cs

@@ -0,0 +1,5 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class DefaultTest : IDefaultTest;

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/IAFactory.cs

@@ -0,0 +1,8 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface IAFactory
+{
+    IA Create();
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/IAsyncMultitonTestFactory.cs

@@ -0,0 +1,8 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface IAsyncMultitonTestFactory
+{
+    Task<IAsyncTest> Create(int id);
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/IAsyncTestFactory.cs

@@ -0,0 +1,8 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface IAsyncTestFactory
+{
+    Task<IAsyncTest> Create();
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/IBFactory.cs

@@ -0,0 +1,9 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface IBFactory
+{
+    IB Create();
+    IB Create(C c);
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/ICtorGenericTestFactory.cs

@@ -0,0 +1,8 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface ICtorGenericTestFactory
+{
+    IGenericTest<T> Create<T>(T item) where T : IConstraint, new();
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/IDefaultTestFactory.cs

@@ -0,0 +1,11 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface IDefaultTestFactory
+{
+    IDefaultTest Create();
+    IDefaultTest Create(string name);
+    IDefaultTest CreateTest(string name = null!);
+    IDefaultTest Create(byte id);
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/IGenericTestFactory.cs

@@ -0,0 +1,8 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface IGenericTestFactory
+{
+    IGenericTest<T> Create<T>() where T : IConstraint, new();
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/IInvalidMultitonTestFactory.cs

@@ -0,0 +1,9 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface IInvalidMultitonTestFactory
+{
+    IDefaultTest Create(MultitonScope scope);
+    IDefaultTest Create(int number);
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/IMultitonTestFactory.cs

@@ -0,0 +1,9 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface IMultitonTestFactory
+{
+    IDefaultTest Create(MultitonScope scope);
+    void ClearMultitonInstance<T>();
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/ITestDefaultFactory.cs

@@ -0,0 +1,8 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface ITestDefaultFactory
+{
+    IDefaultTest Create(object obj, string content, string optional1, string optional2, ITestNullFactory testNullFactory = null!);
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/ITestFactoryNoCreate.cs

@@ -0,0 +1,3 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface ITestFactoryNoCreate;

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/ITestFactoryWrongReturn.cs

@@ -0,0 +1,6 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface ITestFactoryWrongReturn
+{
+    public MultitonScope Create();
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Factories/ITestNullFactory.cs

@@ -0,0 +1,8 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+
+public interface ITestNullFactory
+{
+    IDefaultTest Create(object obj, string content, string optional1, string optional2);
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/GenericTest.cs

@@ -0,0 +1,5 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class GenericTest<T> : IGenericTest<T> where T : IConstraint, new();

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Interfaces/IA.cs

@@ -0,0 +1,6 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+public interface IA
+{
+    IB BProperty { get; }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Interfaces/IAsyncTest.cs

@@ -0,0 +1,7 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+public interface IAsyncTest
+{
+    bool IsInitialized { get; }
+    Task Initialize();
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Interfaces/IB.cs

@@ -0,0 +1,6 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+public interface IB
+{
+    C C { get; }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Interfaces/IConstraint.cs

@@ -0,0 +1,3 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+public interface IConstraint;

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Interfaces/IDefaultTest.cs

@@ -0,0 +1,3 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+public interface IDefaultTest;

Test.LightweightIocContainer.FactoryGenerator/TestClasses/Interfaces/IGenericTest.cs

@@ -0,0 +1,3 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+public interface IGenericTest<T> where T : IConstraint, new();

Test.LightweightIocContainer.FactoryGenerator/TestClasses/MultitonScope.cs

@@ -0,0 +1,3 @@
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class MultitonScope;

Test.LightweightIocContainer.FactoryGenerator/TestClasses/TestByte.cs

@@ -0,0 +1,10 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class TestByte : IDefaultTest
+{
+    private readonly byte _id;
+
+    public TestByte(byte id) => _id = id;
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/TestConstructor.cs

@@ -0,0 +1,16 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class TestConstructor : IDefaultTest
+{
+    public TestConstructor(string name, DefaultTest test)
+    {
+
+    }
+
+    public TestConstructor(DefaultTest test, string name = null!)
+    {
+
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/TestMultiton.cs

@@ -0,0 +1,11 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class TestMultiton : IDefaultTest
+{
+    public TestMultiton(MultitonScope scope)
+    {
+            
+    }
+}

Test.LightweightIocContainer.FactoryGenerator/TestClasses/TestNull.cs

@@ -0,0 +1,23 @@
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Factories;
+using Test.LightweightIocContainer.FactoryGenerator.TestClasses.Interfaces;
+
+namespace Test.LightweightIocContainer.FactoryGenerator.TestClasses;
+
+public class TestNull : IDefaultTest
+{
+
+    public TestNull(object obj, string content, string optional1, string optional2, ITestNullFactory testNullFactory)
+    {
+        Obj = obj;
+        Content = content;
+        Optional1 = optional1;
+        Optional2 = optional2;
+        TestNullFactory = testNullFactory;
+    }
+        
+    public object Obj { get; }
+    public string Content { get; }
+    public string Optional1 { get; }
+    public string Optional2 { get; }
+    public ITestNullFactory TestNullFactory { get; }
+}

Test.LightweightIocContainer.Validation/Test.LightweightIocContainer.Validation.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <Authors>SimonG</Authors>
     <LangVersion>default</LangVersion>
@@ -9,11 +9,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="JetBrains.Annotations" Version="2024.3.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="JetBrains.Annotations" Version="2025.2.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="NSubstitute" Version="5.3.0" />
-    <PackageReference Include="nunit" Version="4.2.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0">
+    <PackageReference Include="nunit" Version="4.4.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.0.0-beta.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

Test.LightweightIocContainer/Test.LightweightIocContainer.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <Authors>SimonG</Authors>
     <LangVersion>default</LangVersion>
@@ -9,11 +9,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="JetBrains.Annotations" Version="2024.3.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="JetBrains.Annotations" Version="2025.2.4" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="NSubstitute" Version="5.3.0" />
-    <PackageReference Include="nunit" Version="4.2.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0">
+    <PackageReference Include="nunit" Version="4.4.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.0.0-beta.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>