feat: change visibility of object graph related classes and interface…

…s to internal for encapsulation

TUnit.Core/Discovery/ObjectGraph.cs

@@ -12,7 +12,7 @@ namespace TUnit.Core.Discovery;
 /// to prevent callers from corrupting internal state.
 /// Uses Lazy<T> for thread-safe lazy initialization of read-only views.
 /// </remarks>
-public sealed class ObjectGraph : IObjectGraph
+internal sealed class ObjectGraph : IObjectGraph
 {
     private readonly ConcurrentDictionary<int, HashSet<object>> _objectsByDepth;
     private readonly HashSet<object> _allObjects;

TUnit.Core/Discovery/ObjectGraphDiscoverer.cs

@@ -16,7 +16,7 @@ namespace TUnit.Core.Discovery;
 /// <param name="PropertyName">The name of the property that failed to access.</param>
 /// <param name="ErrorMessage">The error message.</param>
 /// <param name="Exception">The exception that occurred.</param>
-public readonly record struct DiscoveryError(string TypeName, string PropertyName, string ErrorMessage, Exception Exception);
+internal readonly record struct DiscoveryError(string TypeName, string PropertyName, string ErrorMessage, Exception Exception);
 
 /// <summary>
 /// Centralized service for discovering and organizing object graphs.
@@ -37,7 +37,7 @@ namespace TUnit.Core.Discovery;
 /// rather than thrown, allowing discovery to continue despite individual property failures.
 /// </para>
 /// </remarks>
-public sealed class ObjectGraphDiscoverer : IObjectGraphTracker
+internal sealed class ObjectGraphDiscoverer : IObjectGraphTracker
 {
     /// <summary>
     /// Maximum recursion depth for object graph discovery.

TUnit.Core/Interfaces/IObjectGraphDiscoverer.cs

@@ -24,7 +24,7 @@ namespace TUnit.Core.Interfaces;
 /// For tracking operations that modify TestContext.TrackedObjects, see <see cref="IObjectGraphTracker"/>.
 /// </para>
 /// </remarks>
-public interface IObjectGraphDiscoverer
+internal interface IObjectGraphDiscoverer
 {
     /// <summary>
     /// Discovers all objects from a test context, organized by depth level.
@@ -81,7 +81,7 @@ public interface IObjectGraphDiscoverer
 /// The distinction exists for semantic clarity and future extensibility.
 /// </para>
 /// </remarks>
-public interface IObjectGraphTracker : IObjectGraphDiscoverer
+internal interface IObjectGraphTracker : IObjectGraphDiscoverer
 {
     // All methods inherited from IObjectGraphDiscoverer
     // This interface provides semantic clarity for tracking operations
@@ -94,7 +94,7 @@ public interface IObjectGraphTracker : IObjectGraphDiscoverer
 /// Collections are exposed as read-only to prevent callers from corrupting internal state.
 /// Use <see cref="GetObjectsAtDepth"/> and <see cref="GetDepthsDescending"/> for safe iteration.
 /// </remarks>
-public interface IObjectGraph
+internal interface IObjectGraph
 {
     /// <summary>
     /// Gets objects organized by depth (0 = root arguments, 1+ = nested).

TUnit.Core/Interfaces/IObjectInitializationService.cs

@@ -16,7 +16,7 @@ namespace TUnit.Core.Interfaces;
 /// </list>
 /// </para>
 /// </remarks>
-public interface IObjectInitializationService
+internal interface IObjectInitializationService
 {
     /// <summary>
     /// Initializes an object during the execution phase.

TUnit.Core/Services/ObjectInitializationService.cs

@@ -12,7 +12,7 @@ namespace TUnit.Core.Services;
 /// behavior and avoid duplicate caches. This consolidates initialization tracking in one place.
 /// </para>
 /// </remarks>
-public sealed class ObjectInitializationService : IObjectInitializationService
+internal sealed class ObjectInitializationService : IObjectInitializationService
 {
     /// <summary>
     /// Creates a new instance of the initialization service.

TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet10_0.verified.txt

@@ -1664,36 +1664,6 @@ namespace .DataSources
         public static string FormatArguments(object?[] arguments, .<<object?, string?>> formatters) { }
     }
 }
-namespace .Discovery
-{
-    public readonly struct DiscoveryError : <.>
-    {
-        public DiscoveryError(string TypeName, string PropertyName, string ErrorMessage,  Exception) { }
-        public string ErrorMessage { get; init; }
-        public  Exception { get; init; }
-        public string PropertyName { get; init; }
-        public string TypeName { get; init; }
-    }
-    public sealed class ObjectGraph : .
-    {
-        public ObjectGraph(.<int, .<object>> objectsByDepth, .<object> allObjects) { }
-        public .<object> AllObjects { get; }
-        public int MaxDepth { get; }
-        public .<int, .<object>> ObjectsByDepth { get; }
-        public .<int> GetDepthsDescending() { }
-        public .<object> GetObjectsAtDepth(int depth) { }
-    }
-    public sealed class ObjectGraphDiscoverer : ., .
-    {
-        public ObjectGraphDiscoverer() { }
-        public .<int, .<object>> DiscoverAndTrackObjects(.TestContext testContext, .CancellationToken cancellationToken = default) { }
-        public . DiscoverNestedObjectGraph(object rootObject, .CancellationToken cancellationToken = default) { }
-        public . DiscoverObjectGraph(.TestContext testContext, .CancellationToken cancellationToken = default) { }
-        public static void ClearCache() { }
-        public static void ClearDiscoveryErrors() { }
-        public static .<.> GetDiscoveryErrors() { }
-    }
-}
 namespace .Enums
 {
     public enum DataGeneratorType
@@ -2328,28 +2298,6 @@ namespace .Interfaces
     {
         . OnLastTestInTestSession(.TestSessionContext current, .TestContext testContext);
     }
-    public interface IObjectGraph
-    {
-        .<object> AllObjects { get; }
-        int MaxDepth { get; }
-        .<int, .<object>> ObjectsByDepth { get; }
-        .<int> GetDepthsDescending();
-        .<object> GetObjectsAtDepth(int depth);
-    }
-    public interface IObjectGraphDiscoverer
-    {
-        .<int, .<object>> DiscoverAndTrackObjects(.TestContext testContext, .CancellationToken cancellationToken = default);
-        . DiscoverNestedObjectGraph(object rootObject, .CancellationToken cancellationToken = default);
-        . DiscoverObjectGraph(.TestContext testContext, .CancellationToken cancellationToken = default);
-    }
-    public interface IObjectGraphTracker : . { }
-    public interface IObjectInitializationService
-    {
-        void ClearCache();
-        . InitializeAsync(object? obj, .CancellationToken cancellationToken = default);
-        . InitializeForDiscoveryAsync(object? obj, .CancellationToken cancellationToken = default);
-        bool IsInitialized(object? obj);
-    }
     public interface IParallelConstraint { }
     public interface IParallelLimit
     {
@@ -2685,14 +2633,6 @@ namespace .Services
         public [] ResolveGenericClassArguments([.(..PublicConstructors)]  genericTypeDefinition, object?[] constructorArguments) { }
         public [] ResolveGenericMethodArguments(.MethodInfo genericMethodDefinition, object?[] runtimeArguments) { }
     }
-    public sealed class ObjectInitializationService : .
-    {
-        public ObjectInitializationService() { }
-        public void ClearCache() { }
-        public . InitializeAsync(object? obj, .CancellationToken cancellationToken = default) { }
-        public . InitializeForDiscoveryAsync(object? obj, .CancellationToken cancellationToken = default) { }
-        public bool IsInitialized(object? obj) { }
-    }
     public static class ServiceProviderExtensions
     {
         public static object GetRequiredService(this  serviceProvider,  serviceType) { }

TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet8_0.verified.txt

@@ -1664,36 +1664,6 @@ namespace .DataSources
         public static string FormatArguments(object?[] arguments, .<<object?, string?>> formatters) { }
     }
 }
-namespace .Discovery
-{
-    public readonly struct DiscoveryError : <.>
-    {
-        public DiscoveryError(string TypeName, string PropertyName, string ErrorMessage,  Exception) { }
-        public string ErrorMessage { get; init; }
-        public  Exception { get; init; }
-        public string PropertyName { get; init; }
-        public string TypeName { get; init; }
-    }
-    public sealed class ObjectGraph : .
-    {
-        public ObjectGraph(.<int, .<object>> objectsByDepth, .<object> allObjects) { }
-        public .<object> AllObjects { get; }
-        public int MaxDepth { get; }
-        public .<int, .<object>> ObjectsByDepth { get; }
-        public .<int> GetDepthsDescending() { }
-        public .<object> GetObjectsAtDepth(int depth) { }
-    }
-    public sealed class ObjectGraphDiscoverer : ., .
-    {
-        public ObjectGraphDiscoverer() { }
-        public .<int, .<object>> DiscoverAndTrackObjects(.TestContext testContext, .CancellationToken cancellationToken = default) { }
-        public . DiscoverNestedObjectGraph(object rootObject, .CancellationToken cancellationToken = default) { }
-        public . DiscoverObjectGraph(.TestContext testContext, .CancellationToken cancellationToken = default) { }
-        public static void ClearCache() { }
-        public static void ClearDiscoveryErrors() { }
-        public static .<.> GetDiscoveryErrors() { }
-    }
-}
 namespace .Enums
 {
     public enum DataGeneratorType
@@ -2328,28 +2298,6 @@ namespace .Interfaces
     {
         . OnLastTestInTestSession(.TestSessionContext current, .TestContext testContext);
     }
-    public interface IObjectGraph
-    {
-        .<object> AllObjects { get; }
-        int MaxDepth { get; }
-        .<int, .<object>> ObjectsByDepth { get; }
-        .<int> GetDepthsDescending();
-        .<object> GetObjectsAtDepth(int depth);
-    }
-    public interface IObjectGraphDiscoverer
-    {
-        .<int, .<object>> DiscoverAndTrackObjects(.TestContext testContext, .CancellationToken cancellationToken = default);
-        . DiscoverNestedObjectGraph(object rootObject, .CancellationToken cancellationToken = default);
-        . DiscoverObjectGraph(.TestContext testContext, .CancellationToken cancellationToken = default);
-    }
-    public interface IObjectGraphTracker : . { }
-    public interface IObjectInitializationService
-    {
-        void ClearCache();
-        . InitializeAsync(object? obj, .CancellationToken cancellationToken = default);
-        . InitializeForDiscoveryAsync(object? obj, .CancellationToken cancellationToken = default);
-        bool IsInitialized(object? obj);
-    }
     public interface IParallelConstraint { }
     public interface IParallelLimit
     {
@@ -2685,14 +2633,6 @@ namespace .Services
         public [] ResolveGenericClassArguments([.(..PublicConstructors)]  genericTypeDefinition, object?[] constructorArguments) { }
         public [] ResolveGenericMethodArguments(.MethodInfo genericMethodDefinition, object?[] runtimeArguments) { }
     }
-    public sealed class ObjectInitializationService : .
-    {
-        public ObjectInitializationService() { }
-        public void ClearCache() { }
-        public . InitializeAsync(object? obj, .CancellationToken cancellationToken = default) { }
-        public . InitializeForDiscoveryAsync(object? obj, .CancellationToken cancellationToken = default) { }
-        public bool IsInitialized(object? obj) { }
-    }
     public static class ServiceProviderExtensions
     {
         public static object GetRequiredService(this  serviceProvider,  serviceType) { }

TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.DotNet9_0.verified.txt

@@ -1664,36 +1664,6 @@ namespace .DataSources
         public static string FormatArguments(object?[] arguments, .<<object?, string?>> formatters) { }
     }
 }
-namespace .Discovery
-{
-    public readonly struct DiscoveryError : <.>
-    {
-        public DiscoveryError(string TypeName, string PropertyName, string ErrorMessage,  Exception) { }
-        public string ErrorMessage { get; init; }
-        public  Exception { get; init; }
-        public string PropertyName { get; init; }
-        public string TypeName { get; init; }
-    }
-    public sealed class ObjectGraph : .
-    {
-        public ObjectGraph(.<int, .<object>> objectsByDepth, .<object> allObjects) { }
-        public .<object> AllObjects { get; }
-        public int MaxDepth { get; }
-        public .<int, .<object>> ObjectsByDepth { get; }
-        public .<int> GetDepthsDescending() { }
-        public .<object> GetObjectsAtDepth(int depth) { }
-    }
-    public sealed class ObjectGraphDiscoverer : ., .
-    {
-        public ObjectGraphDiscoverer() { }
-        public .<int, .<object>> DiscoverAndTrackObjects(.TestContext testContext, .CancellationToken cancellationToken = default) { }
-        public . DiscoverNestedObjectGraph(object rootObject, .CancellationToken cancellationToken = default) { }
-        public . DiscoverObjectGraph(.TestContext testContext, .CancellationToken cancellationToken = default) { }
-        public static void ClearCache() { }
-        public static void ClearDiscoveryErrors() { }
-        public static .<.> GetDiscoveryErrors() { }
-    }
-}
 namespace .Enums
 {
     public enum DataGeneratorType
@@ -2328,28 +2298,6 @@ namespace .Interfaces
     {
         . OnLastTestInTestSession(.TestSessionContext current, .TestContext testContext);
     }
-    public interface IObjectGraph
-    {
-        .<object> AllObjects { get; }
-        int MaxDepth { get; }
-        .<int, .<object>> ObjectsByDepth { get; }
-        .<int> GetDepthsDescending();
-        .<object> GetObjectsAtDepth(int depth);
-    }
-    public interface IObjectGraphDiscoverer
-    {
-        .<int, .<object>> DiscoverAndTrackObjects(.TestContext testContext, .CancellationToken cancellationToken = default);
-        . DiscoverNestedObjectGraph(object rootObject, .CancellationToken cancellationToken = default);
-        . DiscoverObjectGraph(.TestContext testContext, .CancellationToken cancellationToken = default);
-    }
-    public interface IObjectGraphTracker : . { }
-    public interface IObjectInitializationService
-    {
-        void ClearCache();
-        . InitializeAsync(object? obj, .CancellationToken cancellationToken = default);
-        . InitializeForDiscoveryAsync(object? obj, .CancellationToken cancellationToken = default);
-        bool IsInitialized(object? obj);
-    }
     public interface IParallelConstraint { }
     public interface IParallelLimit
     {
@@ -2685,14 +2633,6 @@ namespace .Services
         public [] ResolveGenericClassArguments([.(..PublicConstructors)]  genericTypeDefinition, object?[] constructorArguments) { }
         public [] ResolveGenericMethodArguments(.MethodInfo genericMethodDefinition, object?[] runtimeArguments) { }
     }
-    public sealed class ObjectInitializationService : .
-    {
-        public ObjectInitializationService() { }
-        public void ClearCache() { }
-        public . InitializeAsync(object? obj, .CancellationToken cancellationToken = default) { }
-        public . InitializeForDiscoveryAsync(object? obj, .CancellationToken cancellationToken = default) { }
-        public bool IsInitialized(object? obj) { }
-    }
     public static class ServiceProviderExtensions
     {
         public static object GetRequiredService(this  serviceProvider,  serviceType) { }

TUnit.PublicAPI/Tests.Core_Library_Has_No_API_Changes.Net4_7.verified.txt

@@ -1617,36 +1617,6 @@ namespace .DataSources
         public static string FormatArguments(object?[] arguments, .<<object?, string?>> formatters) { }
     }
 }
-namespace .Discovery
-{
-    public readonly struct DiscoveryError : <.>
-    {
-        public DiscoveryError(string TypeName, string PropertyName, string ErrorMessage,  Exception) { }
-        public string ErrorMessage { get; init; }
-        public  Exception { get; init; }
-        public string PropertyName { get; init; }
-        public string TypeName { get; init; }
-    }
-    public sealed class ObjectGraph : .
-    {
-        public ObjectGraph(.<int, .<object>> objectsByDepth, .<object> allObjects) { }
-        public .<object> AllObjects { get; }
-        public int MaxDepth { get; }
-        public .<int, .<object>> ObjectsByDepth { get; }
-        public .<int> GetDepthsDescending() { }
-        public .<object> GetObjectsAtDepth(int depth) { }
-    }
-    public sealed class ObjectGraphDiscoverer : ., .
-    {
-        public ObjectGraphDiscoverer() { }
-        public .<int, .<object>> DiscoverAndTrackObjects(.TestContext testContext, .CancellationToken cancellationToken = default) { }
-        public . DiscoverNestedObjectGraph(object rootObject, .CancellationToken cancellationToken = default) { }
-        public . DiscoverObjectGraph(.TestContext testContext, .CancellationToken cancellationToken = default) { }
-        public static void ClearCache() { }
-        public static void ClearDiscoveryErrors() { }
-        public static .<.> GetDiscoveryErrors() { }
-    }
-}
 namespace .Enums
 {
     public enum DataGeneratorType
@@ -2260,28 +2230,6 @@ namespace .Interfaces
     {
         . OnLastTestInTestSession(.TestSessionContext current, .TestContext testContext);
     }
-    public interface IObjectGraph
-    {
-        .<object> AllObjects { get; }
-        int MaxDepth { get; }
-        .<int, .<object>> ObjectsByDepth { get; }
-        .<int> GetDepthsDescending();
-        .<object> GetObjectsAtDepth(int depth);
-    }
-    public interface IObjectGraphDiscoverer
-    {
-        .<int, .<object>> DiscoverAndTrackObjects(.TestContext testContext, .CancellationToken cancellationToken = default);
-        . DiscoverNestedObjectGraph(object rootObject, .CancellationToken cancellationToken = default);
-        . DiscoverObjectGraph(.TestContext testContext, .CancellationToken cancellationToken = default);
-    }
-    public interface IObjectGraphTracker : . { }
-    public interface IObjectInitializationService
-    {
-        void ClearCache();
-        . InitializeAsync(object? obj, .CancellationToken cancellationToken = default);
-        . InitializeForDiscoveryAsync(object? obj, .CancellationToken cancellationToken = default);
-        bool IsInitialized(object? obj);
-    }
     public interface IParallelConstraint { }
     public interface IParallelLimit
     {
@@ -2606,14 +2554,6 @@ namespace .Services
         public [] ResolveGenericClassArguments( genericTypeDefinition, object?[] constructorArguments) { }
         public [] ResolveGenericMethodArguments(.MethodInfo genericMethodDefinition, object?[] runtimeArguments) { }
     }
-    public sealed class ObjectInitializationService : .
-    {
-        public ObjectInitializationService() { }
-        public void ClearCache() { }
-        public . InitializeAsync(object? obj, .CancellationToken cancellationToken = default) { }
-        public . InitializeForDiscoveryAsync(object? obj, .CancellationToken cancellationToken = default) { }
-        public bool IsInitialized(object? obj) { }
-    }
     public static class ServiceProviderExtensions
     {
         public static object GetRequiredService(this  serviceProvider,  serviceType) { }