Update target frameworks and other infrastructure changes (#831)

* Update target frameworks
* Simplify build system
* Remove legacy obsolete api
* Mark `CompatArg` as obsolete
* Update github actions
* Update changelogs
* Suppress some warnings in tests
* Update changelog

Author: Romfos

Diff for: .github/workflows/build_and_test.yml

@@ -10,22 +10,20 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest, macOS-latest]
-        framework: [net6.0, net7.0, net8.0]
+        framework: [net8.0]
         include:
           - os: windows-latest
             framework: net462
 
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: |
-            6.0.x
-            7.0.x
             8.0.x
 
       - name: Build
@@ -38,16 +36,14 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: |
-            6.0.x
-            7.0.x
             8.0.x
 
       # used for documentation
@@ -64,10 +60,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 8.0.x
 

Diff for: BreakingChanges.md

@@ -1,3 +1,10 @@
+6.0.0 Release
+================
+
+* Update target frameworks: .NET 8, .NET Standard 2.0.
+* Obsolete api is removed
+* CompatArg is marked as obsolete
+
 5.0.0 Release
 ================
 
@@ -91,7 +98,7 @@ Workaround: Use `NSubstitute.Received.InOrder`.
 
 Signed v3.x package to fix libraries that work with a mix of NSubstitute verisons. See #324.
 
-3.0.0 Release 
+3.0.0 Release
 ================
 
 NOTE: unsigned. Fixed in 3.0.1.
@@ -108,15 +115,15 @@ Standard 1.3 compatible target such as .NET 4.6 or later. See compatibility matr
     https://github.com/dotnet/standard/blob/master/docs/versions.md
 
 
-1.10.0 Release 
+1.10.0 Release
 ================
 
 Substitutes will now automatically return an empty `IQueryable<T>` for
 members that return that type. Tests previously relying on a
 substitute `IQueryable<T>` will no longer work properly.
 
 Reason:
-- Code that uses an `IQueryable<T>` can now run using the auto-subbed 
+- Code that uses an `IQueryable<T>` can now run using the auto-subbed
 value without causing null pointer exceptions (see issue #67).
 
 Fix:
@@ -128,10 +135,10 @@ to return a real `IQueryable<T>` instead. If a substitute is required, explicitl
     ```
 
 
-1.9.1 Release 
+1.9.1 Release
 ================
 
-Substitutes set up to throw exception for methods with return type Task<T> 
+Substitutes set up to throw exception for methods with return type Task<T>
 cause compilation to fail due to the call being ambiguous (CS0121).
 "The call is ambiguous between the following methods or properties:
 `.Returns<Task<T>>` and `.Returns<T>`"
@@ -146,7 +153,7 @@ Fix:
 
     New: `sub.Method().Returns<string>(x => { throw new Exception() });`
 
-1.8.0 Release 
+1.8.0 Release
 ================
 
 Incorrect use of argument matchers outside of a member call, particularly within a
@@ -214,7 +221,7 @@ Fix:
 
 ---------------
 
-In rare cases the new `Returns()` and `ReturnsForAnyArgs()` overloads can cause compilation to fail due to the call being ambiguous (CS0121). 
+In rare cases the new `Returns()` and `ReturnsForAnyArgs()` overloads can cause compilation to fail due to the call being ambiguous (CS0121).
 
 Reason:
 - The new overloads allow a sequence of callbacks to be used for return values. A common example is return several values, then throwing an exception.
@@ -229,7 +236,7 @@ Fix:
 Auto-substitute from substitutes of `Func` delegates (following the same rules as auto-subbing for methods and properties). So the delegate returned from `Substitute.For<Func<IFoo>>()` will return a substitute of `IFoo`. This means some substitutes for delegates that used to return null will now return a new substitute.
 
 Reason:
-- Reduced setup when substituting for `Func` delegates, and consistency with behaviour for properties and methods. 
+- Reduced setup when substituting for `Func` delegates, and consistency with behaviour for properties and methods.
 
 Fix:
 - Explicitly return null from substitute delegates when required for a test.

Diff for: CHANGELOG.md

@@ -1,3 +1,12 @@
+### 6.x (work in progress)
+
+* [UPDATE] Update target frameworks: .NET8, .NET Standard 2.0
+* [UPDATE] Drop EOL .NET 6/7 platforms from testing matrix
+* [UPDATE] Update github actions steps versions
+* [UPDATE] Remove legacy obsolete API
+* [UPDATE] Mark as obsolete api CompatArg with pre c# 7.0 support
+
+
 ### 5.3.0 (October 2024)
 
 * [NEW] Introduced `Substitute.ForTypeForwardingTo` to create substitutes that forward interceptable calls to a concrete class. This provides an easy way of implementing a test spy over an existing type. Designed and implemented by @marcoregueira in https://github.com/nsubstitute/NSubstitute/pull/700 from a proposal by @wsaeed. Thanks to all who contributed to discussions of this feature.
@@ -40,7 +49,7 @@ Many thanks to @alexandrnikitin, @Romfos, @brad, and @304NotModified for their c
 
 ### 4.4.0 (Jul 2022)
 
-* [FIX] Fix issue checking for constructor args on null object. Thanks to @phongphanq, and @appel1! Thanks also to 
+* [FIX] Fix issue checking for constructor args on null object. Thanks to @phongphanq, and @appel1! Thanks also to
 @Mandroide for code review. (#683, #685)
 * [UPDATE] Update to Castle Core v5. Thanks @Havunen! (#690, #673)
 * [NEW] Add `.ThrowsAsync()` that will correctly mock exception on async methods. Thanks @Socolin! (#609, #663)

Diff for: Directory.Build.props

@@ -5,8 +5,6 @@
   See more here https://docs.microsoft.com/en-us/visualstudio/msbuild/customize-your-build?view=vs-2019 -->
 
   <PropertyGroup>
-    <TargetIsNetFx Condition="$(TargetFramework.StartsWith('net4'))">true</TargetIsNetFx>
-    <TargetIsNet5OrNewer Condition="'$(TargetFramework)' == 'net6.0'">true</TargetIsNet5OrNewer>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
@@ -15,8 +13,4 @@
     <OutputPath>$(MSBuildThisFileDirectory)\bin\$(Configuration)\$(MSBuildProjectName)\</OutputPath>
   </PropertyGroup>
 
-  <ItemGroup Condition="'$(TargetIsNetFx)' == 'true'">
-    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" PrivateAssets="All" />
-  </ItemGroup>
-
 </Project>

Diff for: src/NSubstitute/Compatibility/CompatArg.cs

@@ -17,6 +17,7 @@ namespace NSubstitute.Compatibility;
 /// For more information see <see href="https://nsubstitute.github.io/help/compat-args">Compatibility Argument
 /// Matchers</see> in the NSubstitute documentation.
 /// </summary>
+[Obsolete("This api is deprecated and will be removed in future versions of product.")]
 public class CompatArg
 {
     private CompatArg() { }

Diff for: src/NSubstitute/Compatibility/DiagnosticsNullabilityAttributes.cs

@@ -1,4 +1,4 @@
-#if !SYSTEM_DIAGNOSTICS_CODEANALYSIS_NULLABILITY
+#if NETSTANDARD2_0
 
 // This was copied from https://github.com/dotnet/runtime/blob/39b9607807f29e48cae4652cd74735182b31182e/src/libraries/System.Private.CoreLib/src/System/Diagnostics/CodeAnalysis/NullableAttributes.cs
 // and updated to have the scope of the attributes be internal.

Diff for: src/NSubstitute/Core/Argument.cs

@@ -1,47 +1,18 @@
 namespace NSubstitute.Core;
 
-public class Argument
+public class Argument(ICall call, int argIndex)
 {
-    private readonly ICall? _call;
-    private readonly int _argIndex;
-
-    private readonly Type? _declaredType;
-    private readonly Func<object?>? _getValue;
-    private readonly Action<object?>? _setValue;
-
-    [Obsolete("This constructor overload is deprecated and will be removed in the next version.")]
-    public Argument(Type declaredType, Func<object?> getValue, Action<object?> setValue)
-    {
-        _declaredType = declaredType;
-        _getValue = getValue;
-        _setValue = setValue;
-    }
-
-    public Argument(ICall call, int argIndex)
-    {
-        _call = call;
-        _argIndex = argIndex;
-    }
+    private readonly ICall? _call = call;
 
     public object? Value
     {
-        get => _getValue != null ? _getValue() : _call!.GetArguments()[_argIndex];
-        set
-        {
-            if (_setValue != null)
-            {
-                _setValue(value);
-            }
-            else
-            {
-                _call!.GetArguments()[_argIndex] = value;
-            }
-        }
+        get => _call!.GetArguments()[argIndex];
+        set => _call!.GetArguments()[argIndex] = value;
     }
 
     public bool IsByRef => DeclaredType.IsByRef;
 
-    public Type DeclaredType => _declaredType ?? _call!.GetParameterInfos()[_argIndex].ParameterType;
+    public Type DeclaredType => _call!.GetParameterInfos()[argIndex].ParameterType;
 
     public Type ActualType => Value == null ? DeclaredType : Value.GetType();
 

Diff for: src/NSubstitute/Core/ArgumentSpecificationDequeue.cs

@@ -1,5 +1,4 @@
-using System.Reflection;
-using NSubstitute.Core.Arguments;
+using NSubstitute.Core.Arguments;
 
 namespace NSubstitute.Core;
 
@@ -20,9 +19,4 @@ public IList<IArgumentSpecification> DequeueAllArgumentSpecificationsForMethod(i
         var queuedArgSpecifications = dequeueAllQueuedArgSpecs.Invoke();
         return queuedArgSpecifications;
     }
-
-    public IList<IArgumentSpecification> DequeueAllArgumentSpecificationsForMethod(MethodInfo methodInfo)
-    {
-        return DequeueAllArgumentSpecificationsForMethod(methodInfo.GetParameters().Length);
-    }
 }

Diff for: src/NSubstitute/Core/Call.cs

@@ -1,6 +1,6 @@
-using System.Reflection;
 using NSubstitute.Core.Arguments;
 using NSubstitute.Exceptions;
+using System.Reflection;
 
 namespace NSubstitute.Core;
 
@@ -15,19 +15,8 @@ public class Call : ICall, /* Performance optimization */ CallCollection.IReceiv
     private long? _sequenceNumber;
     private readonly Func<object>? _baseMethod;
 
-    [Obsolete("This constructor is deprecated and will be removed in future version of product.")]
-    public Call(MethodInfo methodInfo,
-        object?[] arguments,
-        object target,
-        IList<IArgumentSpecification> argumentSpecifications,
-        IParameterInfo[] parameterInfos,
-        Func<object> baseMethod)
-        : this(methodInfo, arguments, target, argumentSpecifications, baseMethod)
-    {
-        _parameterInfosCached = parameterInfos ?? throw new ArgumentNullException(nameof(parameterInfos));
-    }
-
-    public Call(MethodInfo methodInfo,
+    public Call(
+        MethodInfo methodInfo,
         object?[] arguments,
         object target,
         IList<IArgumentSpecification> argumentSpecifications,

Diff for: src/NSubstitute/Core/CallRouter.cs

@@ -42,9 +42,6 @@ public IEnumerable<ICall> ReceivedCalls()
         return substituteState.ReceivedCalls.AllCalls();
     }
 
-    public void SetRoute(Func<ISubstituteState, IRoute> getRoute) =>
-        threadContext.SetNextRoute(this, getRoute);
-
     public object? Route(ICall call)
     {
         threadContext.SetLastCallRouter(this);

Diff for: src/NSubstitute/Core/CallSpecificationFactoryFactoryYesThatsRight.cs

@@ -1,12 +1,8 @@
-using System.Reflection;
-using NSubstitute.Core.Arguments;
+using NSubstitute.Core.Arguments;
 
 namespace NSubstitute.Core;
 
 public interface IArgumentSpecificationDequeue
 {
-    [Obsolete("This method is deprecated and will be removed in future versions of product.")]
-    IList<IArgumentSpecification> DequeueAllArgumentSpecificationsForMethod(MethodInfo methodInfo);
-
     IList<IArgumentSpecification> DequeueAllArgumentSpecificationsForMethod(int parametersCount);
 }

Diff for: src/NSubstitute/Core/IArgumentSpecificationDequeue.cs

@@ -1,5 +1,3 @@
-using NSubstitute.Routing;
-
 namespace NSubstitute.Core;
 
 public interface ICallRouter
@@ -15,9 +13,6 @@ public interface ICallRouter
     ConfiguredCall LastCallShouldReturn(IReturn returnValue, MatchArgs matchArgs, PendingSpecificationInfo pendingSpecInfo);
     object? Route(ICall call);
     IEnumerable<ICall> ReceivedCalls();
-    [Obsolete("This method is deprecated and will be removed in future versions of the product. " +
-              "Please use " + nameof(IThreadLocalContext) + "." + nameof(IThreadLocalContext.SetNextRoute) + " method instead.")]
-    void SetRoute(Func<ISubstituteState, IRoute> getRoute);
     void SetReturnForType(Type type, IReturn returnValue);
     void RegisterCustomCallHandlerFactory(CallHandlerFactory factory);
     void Clear(ClearOptions clear);