Move CSharpCodeMatcher to a new project (#548)

* matcher * wip * fix * <VersionPrefix>1.4.0</VersionPrefix> * . * x * ? * netstandard2.1 * {} * test * Fix: Assembly with same name is already loaded * _format file * AssemblyFile = $"WireMock.CodeHelper.Class{Guid.NewGuid()}" * AssemblyFile = $"WireMock.CodeHelper.Class{Guid.NewGuid().ToString().Replace("-", "")}" * GC * x * remove load ex * ret * readme * no GC * GetImplementationTypeByInterface * `` * PluginLoader * type
2026-01-19 08:37:23 +01:00 · 2021-01-12 16:56:03 +01:00
parent d4da8dc15d
commit 92923a12ae
16 changed files with 274 additions and 63 deletions
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -4,7 +4,7 @@
  </PropertyGroup>

  <PropertyGroup>
-    <VersionPrefix>1.3.10</VersionPrefix>
+    <VersionPrefix>1.4.0</VersionPrefix>
    <PackageReleaseNotes>See CHANGELOG.md</PackageReleaseNotes>
    <PackageIconUrl>https://raw.githubusercontent.com/WireMock-Net/WireMock.Net/master/WireMock.Net-Logo.png</PackageIconUrl>
    <PackageProjectUrl>https://github.com/WireMock-Net/WireMock.Net</PackageProjectUrl>
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ For more info, see also this WIKI page: [What is WireMock.Net](https://github.co
 * Per-request conditional proxying
 * Stateful behaviour simulation
 * Response templating / transformation using Handlebars and extensions
-* Can be used locally or in CI/CD scenarios.
+* Can be used locally or in CI/CD scenarios

 ## Info
 | | |
@@ -35,6 +35,7 @@ For more info, see also this WIKI page: [What is WireMock.Net](https://github.co
 | &nbsp;&nbsp;**WireMock.Net.StandAlone** | [![NuGet Badge WireMock.Net](https://buildstats.info/nuget/WireMock.Net.StandAlone)](https://www.nuget.org/packages/WireMock.Net.StandAlone) |  [![MyGet Badge WireMock.Net.StandAlone](https://buildstats.info/myget/wiremock-net/WireMock.Net.StandAlone?includePreReleases=true)](https://www.myget.org/feed/wiremock-net/package/nuget/WireMock.Net.StandAlone)
 | &nbsp;&nbsp;**WireMock.Net.FluentAssertions** | [![NuGet Badge WireMock.Net.FluentAssertions](https://buildstats.info/nuget/WireMock.Net.FluentAssertions)](https://www.nuget.org/packages/WireMock.Net.FluentAssertions) | [![MyGet Badge WireMock.Net.FluentAssertions](https://buildstats.info/myget/wiremock-net/WireMock.Net.FluentAssertions?includePreReleases=true)](https://www.myget.org/feed/wiremock-net/package/nuget/WireMock.Net.FluentAssertions)
 | &nbsp;&nbsp;**WireMock.Net.RestClient** | [![NuGet Badge WireMock.Net.RestClient](https://buildstats.info/nuget/WireMock.Net.RestClient)](https://www.nuget.org/packages/WireMock.Net.RestClient) | [![MyGet Badge WireMock.Net.RestClient](https://buildstats.info/myget/wiremock-net/WireMock.Net.RestClient?includePreReleases=true)](https://www.myget.org/feed/wiremock-net/package/nuget/WireMock.Net.RestClient)
+| &nbsp;&nbsp;**WireMock.Net.Matchers.CSharpCode** | [![NuGet Badge WireMock.Net.Matchers.CSharpCode](https://buildstats.info/nuget/WireMock.Net.Matchers.CSharpCode)](https://www.nuget.org/packages/WireMock.Net.Matchers.CSharpCode) | [![MyGet Badge WireMock.Net.Matchers.CSharpCode](https://buildstats.info/myget/wiremock-net/WireMock.Net.Matchers.CSharpCode?includePreReleases=true)](https://www.myget.org/feed/wiremock-net/package/nuget/WireMock.Net.Matchers.CSharpCode)

 ## Development
 For the supported frameworks and build information, see [this](https://github.com/WireMock-Net/WireMock.Net/wiki/Development-Information) page.
--- a/Solution.sln
+++ b/Solution.sln
@@ -78,6 +78,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "dotnet-WireMock", "src\dotn
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WireMock.Net.Console.NET5", "examples\WireMock.Net.Console.NET5\WireMock.Net.Console.NET5.csproj", "{3F8CF0AE-5F24-4A54-89E7-A3EE829DB5F8}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WireMock.Net.Matchers.CSharpCode", "src\WireMock.Net.Matchers.CSharpCode\WireMock.Net.Matchers.CSharpCode.csproj", "{6437CE56-8AB9-4D6D-90F1-70CC5BBE1572}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -192,6 +194,10 @@ Global
 		{3F8CF0AE-5F24-4A54-89E7-A3EE829DB5F8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3F8CF0AE-5F24-4A54-89E7-A3EE829DB5F8}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3F8CF0AE-5F24-4A54-89E7-A3EE829DB5F8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6437CE56-8AB9-4D6D-90F1-70CC5BBE1572}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6437CE56-8AB9-4D6D-90F1-70CC5BBE1572}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6437CE56-8AB9-4D6D-90F1-70CC5BBE1572}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6437CE56-8AB9-4D6D-90F1-70CC5BBE1572}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -224,6 +230,7 @@ Global
 		{925E421A-1B3F-4202-B48F-734743573A4B} = {985E0ADB-D4B4-473A-AA40-567E279B7946}
 		{40BF24B5-12E6-4610-9489-138798632E28} = {8F890C6F-9ACC-438D-928A-AD61CDA862F2}
 		{3F8CF0AE-5F24-4A54-89E7-A3EE829DB5F8} = {985E0ADB-D4B4-473A-AA40-567E279B7946}
+		{6437CE56-8AB9-4D6D-90F1-70CC5BBE1572} = {8F890C6F-9ACC-438D-928A-AD61CDA862F2}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {DC539027-9852-430C-B19F-FD035D018458}
--- a/src/WireMock.Net.Matchers.CSharpCode/Matchers/CSharpCodeMatcher.cs
+++ b/src/WireMock.Net.Matchers.CSharpCode/Matchers/CSharpCodeMatcher.cs
@@ -1,5 +1,7 @@
 using System;
 using System.Linq;
+using System.Reflection;
+using System.Text;
 using JetBrains.Annotations;
 using Newtonsoft.Json.Linq;
 using WireMock.Exceptions;
@@ -10,14 +12,12 @@ namespace WireMock.Matchers
    /// <summary>
    /// CSharpCode / CS-Script Matcher
    /// </summary>
-    /// <inheritdoc cref="IObjectMatcher"/>
-    /// <inheritdoc cref="IStringMatcher"/>
-    [Obsolete("This class will be moved to a separate NuGet package 'WireMock.Net.Matchers.CSharpCode'")]
-    internal class CSharpCodeMatcher : IObjectMatcher, IStringMatcher
+    /// <inheritdoc cref="ICSharpCodeMatcher"/>
+    internal class CSharpCodeMatcher : ICSharpCodeMatcher
    {
-        private const string TemplateForIsMatchWithString = "{0} public class CodeHelper {{ public bool IsMatch(string it) {{ {1} }} }}";
+        private const string TemplateForIsMatchWithString = "public class CodeHelper {{ public bool IsMatch(string it) {{ {0} }} }}";

-        private const string TemplateForIsMatchWithDynamic = "{0} public class CodeHelper {{ public bool IsMatch(dynamic it) {{ {1} }} }}";
+        private const string TemplateForIsMatchWithDynamic = "public class CodeHelper {{ public bool IsMatch(dynamic it) {{ {0} }} }}";

        private readonly string[] _usings =
        {
@@ -153,20 +153,28 @@ namespace WireMock.Matchers
            }

 #elif (NETSTANDARD2_0 || NETSTANDARD2_1 || NETCOREAPP3_1 || NET5_0)
-            dynamic script;
+            Assembly assembly;
            try
+            {
+                assembly = CSScriptLib.CSScript.Evaluator.CompileCode(source);
+            }
+            catch (Exception ex)
            {
-                var assembly = CSScriptLib.CSScript.Evaluator.CompileCode(source);
+                throw new WireMockException($"CSharpCodeMatcher: Unable to compile code `{source}` for WireMock.CodeHelper", ex);
+            }

+            dynamic script;
+            try
+            {
 #if NETSTANDARD2_0
                script = csscript.GenericExtensions.CreateObject(assembly, "*");
 #else
                script = CSScriptLib.ReflectionExtensions.CreateObject(assembly, "*");
-#endif
+#endif
            }
            catch (Exception ex)
-            {
-                throw new WireMockException("CSharpCodeMatcher: Unable to compile code for WireMock.CodeHelper", ex);
+            {
+                throw new WireMockException("CSharpCodeMatcher: Unable to create object from assembly", ex);
            }

            try
@@ -176,9 +184,9 @@ namespace WireMock.Matchers
            catch (Exception ex)
            {
                throw new WireMockException("CSharpCodeMatcher: Problem calling method 'IsMatch' in WireMock.CodeHelper", ex);
-            }
+            }
 #else
-                throw new NotSupportedException("The 'CSharpCodeMatcher' cannot be used in netstandard 1.3");
+            throw new NotSupportedException("The 'CSharpCodeMatcher' cannot be used in netstandard 1.3");
 #endif
            try
            {
@@ -193,7 +201,16 @@ namespace WireMock.Matchers
        private string GetSourceForIsMatchWithString(string pattern, bool isMatchWithString)
        {
            string template = isMatchWithString ? TemplateForIsMatchWithString : TemplateForIsMatchWithDynamic;
-            return string.Format(template, string.Join(Environment.NewLine, _usings.Select(u => $"using {u};")), pattern);
+
+            var stringBuilder = new StringBuilder();
+            foreach (string @using in _usings)
+            {
+                stringBuilder.AppendLine($"using {@using};");
+            }
+            stringBuilder.AppendLine();
+            stringBuilder.AppendFormat(template, pattern);
+
+            return stringBuilder.ToString();
        }

        /// <inheritdoc cref="IStringMatcher.GetPatterns"/>
--- a/src/WireMock.Net.Matchers.CSharpCode/Properties/AssemblyInfo.cs
+++ b/src/WireMock.Net.Matchers.CSharpCode/Properties/AssemblyInfo.cs
@@ -0,0 +1,6 @@
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleTo("WireMock.Net.Tests, PublicKey=0024000004800000940000000602000000240000525341310004000001000100e138ec44d93acac565953052636eb8d5e7e9f27ddb030590055cd1a0ab2069a5623f1f77ca907d78e0b37066ca0f6d63da7eecc3fcb65b76aa8ebeccf7ebe1d11264b8404cd9b1cbbf2c83f566e033b3e54129f6ef28daffff776ba7aebbc53c0d635ebad8f45f78eb3f7e0459023c218f003416e080f96a1a3c5ffeb56bee9e")]
+
+// Needed for Moq in the UnitTest project
+[assembly: InternalsVisibleTo("DynamicProxyGenAssembly2, PublicKey=0024000004800000940000000602000000240000525341310004000001000100c547cac37abd99c8db225ef2f6c8a3602f3b3606cc9891605d02baa56104f4cfc0734aa39b93bf7852f7d9266654753cc297e7d2edfe0bac1cdcf9f717241550e0a7b191195b7667bb4f64bcb8e2121380fd1d9d46ad2d92d2d15605093924cceaf74c4861eff62abf69b9291ed0a340e113be11e6a7d3113e92484cf7045cc7")]
--- a/src/WireMock.Net.Matchers.CSharpCode/WireMock.Net.Matchers.CSharpCode.csproj
+++ b/src/WireMock.Net.Matchers.CSharpCode/WireMock.Net.Matchers.CSharpCode.csproj
@@ -0,0 +1,60 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <Description>A CSharpCodeMatcher which can be used to match WireMock.Net Requests using C# code.</Description>
+    <AssemblyTitle>WireMock.Net.Matchers.CSharpCode</AssemblyTitle>
+    <Authors>Stef Heyenrath</Authors>
+    <TargetFrameworks>net451;net452;net46;net461;netstandard1.3;netstandard2.0;netstandard2.1;netcoreapp3.1;net5.0</TargetFrameworks>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <PackageTags>wiremock;matchers;matcher;csharp;csharpcode</PackageTags>
+    <RootNamespace>WireMock</RootNamespace>
+    <ProjectGuid>{B6269AAC-170A-4346-8B9A-444DED3D9A44}</ProjectGuid>
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType>
+    <CodeAnalysisRuleSet>../WireMock.Net/WireMock.Net.ruleset</CodeAnalysisRuleSet>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>../WireMock.Net/WireMock.Net.snk</AssemblyOriginatorKeyFile>
+    <!--<DelaySign>true</DelaySign>-->
+    <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+  </PropertyGroup>
+
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+  </PropertyGroup>
+
+  <!-- https://github.com/aspnet/RoslynCodeDomProvider/issues/51 -->
+  <!-- This is needed else we cannot build net452 in Azure DevOps Pipeline -->
+  <Target Name="CheckIfShouldKillVBCSCompiler" />
+
+  <ItemGroup>
+    <PackageReference Include="JetBrains.Annotations" Version="2020.1.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+
+    <ProjectReference Include="..\WireMock.Net\WireMock.Net.csproj" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' or '$(TargetFramework)' == 'net452' ">
+    <PackageReference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" Version="3.6.0" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net46' or '$(TargetFramework)' == 'net461' ">
+    <PackageReference Include="CS-Script" Version="3.30.3" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">
+    <PackageReference Include="CS-Script.Core" Version="1.1.1" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.1'">
+    <PackageReference Include="CS-Script.Core" Version="1.4.2-preview" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0'">
+    <PackageReference Include="CS-Script.Core" Version="1.4.2-preview" />
+  </ItemGroup>
+
+</Project>
--- a/src/WireMock.Net/Matchers/ICSharpCodeMatcher.cs
+++ b/src/WireMock.Net/Matchers/ICSharpCodeMatcher.cs
@@ -0,0 +1,11 @@
+namespace WireMock.Matchers
+{
+    /// <summary>
+    /// CSharpCode / CS-Script Matcher
+    /// </summary>
+    /// <inheritdoc cref="IObjectMatcher"/>
+    /// <inheritdoc cref="IStringMatcher"/>
+    public interface ICSharpCodeMatcher : IObjectMatcher, IStringMatcher
+    {
+    }
+}
--- a/src/WireMock.Net/Plugin/PluginLoader.cs
+++ b/src/WireMock.Net/Plugin/PluginLoader.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Concurrent;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+
+namespace WireMock.Plugin
+{
+    internal static class PluginLoader
+    {
+        private static readonly ConcurrentDictionary<Type, Type> Assemblies = new ConcurrentDictionary<Type, Type>();
+
+        public static T Load<T>(params object[] args) where T : class
+        {
+            var foundType = Assemblies.GetOrAdd(typeof(T), (type) =>
+            {
+                var files = Directory.GetFiles(Directory.GetCurrentDirectory(), "*.dll");
+
+                Type pluginType = null;
+                foreach (var file in files)
+                {
+                    try
+                    {
+                        var assembly = Assembly.Load(new AssemblyName
+                        {
+                            Name = Path.GetFileNameWithoutExtension(file)
+                        });
+
+                        pluginType = GetImplementationTypeByInterface<T>(assembly);
+                        if (pluginType != null)
+                        {
+                            break;
+                        }
+                    }
+                    catch
+                    {
+                        // no-op: just try next .dll
+                    }
+                }
+
+                if (pluginType != null)
+                {
+                    return pluginType;
+                }
+
+                throw new DllNotFoundException($"No dll found which implements type '{type}'");
+            });
+
+            return (T)Activator.CreateInstance(foundType, args);
+        }
+
+        private static Type GetImplementationTypeByInterface<T>(Assembly assembly)
+        {
+            return assembly.GetTypes().FirstOrDefault(t => typeof(T).IsAssignableFrom(t) && !t.GetTypeInfo().IsInterface);
+        }
+    }
+}
--- a/src/WireMock.Net/Properties/AssemblyInfo.cs
+++ b/src/WireMock.Net/Properties/AssemblyInfo.cs
@@ -1,7 +1,8 @@
-using System.Runtime.CompilerServices;
-
-[assembly: InternalsVisibleTo("WireMock.Net.StandAlone, PublicKey=0024000004800000940000000602000000240000525341310004000001000100e138ec44d93acac565953052636eb8d5e7e9f27ddb030590055cd1a0ab2069a5623f1f77ca907d78e0b37066ca0f6d63da7eecc3fcb65b76aa8ebeccf7ebe1d11264b8404cd9b1cbbf2c83f566e033b3e54129f6ef28daffff776ba7aebbc53c0d635ebad8f45f78eb3f7e0459023c218f003416e080f96a1a3c5ffeb56bee9e")]
-[assembly: InternalsVisibleTo("WireMock.Net.Tests, PublicKey=0024000004800000940000000602000000240000525341310004000001000100e138ec44d93acac565953052636eb8d5e7e9f27ddb030590055cd1a0ab2069a5623f1f77ca907d78e0b37066ca0f6d63da7eecc3fcb65b76aa8ebeccf7ebe1d11264b8404cd9b1cbbf2c83f566e033b3e54129f6ef28daffff776ba7aebbc53c0d635ebad8f45f78eb3f7e0459023c218f003416e080f96a1a3c5ffeb56bee9e")]
-
-// Needed for Moq in the UnitTest project
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleTo("WireMock.Net.Matchers.CSharpCode, PublicKey=0024000004800000940000000602000000240000525341310004000001000100e138ec44d93acac565953052636eb8d5e7e9f27ddb030590055cd1a0ab2069a5623f1f77ca907d78e0b37066ca0f6d63da7eecc3fcb65b76aa8ebeccf7ebe1d11264b8404cd9b1cbbf2c83f566e033b3e54129f6ef28daffff776ba7aebbc53c0d635ebad8f45f78eb3f7e0459023c218f003416e080f96a1a3c5ffeb56bee9e")]
+[assembly: InternalsVisibleTo("WireMock.Net.StandAlone, PublicKey=0024000004800000940000000602000000240000525341310004000001000100e138ec44d93acac565953052636eb8d5e7e9f27ddb030590055cd1a0ab2069a5623f1f77ca907d78e0b37066ca0f6d63da7eecc3fcb65b76aa8ebeccf7ebe1d11264b8404cd9b1cbbf2c83f566e033b3e54129f6ef28daffff776ba7aebbc53c0d635ebad8f45f78eb3f7e0459023c218f003416e080f96a1a3c5ffeb56bee9e")]
+[assembly: InternalsVisibleTo("WireMock.Net.Tests, PublicKey=0024000004800000940000000602000000240000525341310004000001000100e138ec44d93acac565953052636eb8d5e7e9f27ddb030590055cd1a0ab2069a5623f1f77ca907d78e0b37066ca0f6d63da7eecc3fcb65b76aa8ebeccf7ebe1d11264b8404cd9b1cbbf2c83f566e033b3e54129f6ef28daffff776ba7aebbc53c0d635ebad8f45f78eb3f7e0459023c218f003416e080f96a1a3c5ffeb56bee9e")]
+
+// Needed for Moq in the UnitTest project
 [assembly: InternalsVisibleTo("DynamicProxyGenAssembly2, PublicKey=0024000004800000940000000602000000240000525341310004000001000100c547cac37abd99c8db225ef2f6c8a3602f3b3606cc9891605d02baa56104f4cfc0734aa39b93bf7852f7d9266654753cc297e7d2edfe0bac1cdcf9f717241550e0a7b191195b7667bb4f64bcb8e2121380fd1d9d46ad2d92d2d15605093924cceaf74c4861eff62abf69b9291ed0a340e113be11e6a7d3113e92484cf7045cc7")]
--- a/src/WireMock.Net/Serialization/MatcherMapper.cs
+++ b/src/WireMock.Net/Serialization/MatcherMapper.cs
@@ -5,6 +5,7 @@ using JetBrains.Annotations;
 using SimMetrics.Net;
 using WireMock.Admin.Mappings;
 using WireMock.Matchers;
+using WireMock.Plugin;
 using WireMock.Settings;
 using WireMock.Validation;

@@ -46,7 +47,7 @@ namespace WireMock.Serialization
                case "CSharpCodeMatcher":
                    if (_settings.AllowCSharpCodeMatcher == true)
                    {
-                        return new CSharpCodeMatcher(matchBehaviour, stringPatterns);
+                        return PluginLoader.Load<ICSharpCodeMatcher>(matchBehaviour, stringPatterns);
                    }

                    throw new NotSupportedException("It's not allowed to use the 'CSharpCodeMatcher' because IWireMockServerSettings.AllowCSharpCodeMatcher is not set to 'true'.");
--- a/src/WireMock.Net/WireMock.Net.csproj
+++ b/src/WireMock.Net/WireMock.Net.csproj
@@ -27,7 +27,7 @@

  <!-- https://github.com/aspnet/RoslynCodeDomProvider/issues/51 -->
  <!-- This is needed else we cannot build net452 in Azure DevOps Pipeline -->
-  <Target Name="CheckIfShouldKillVBCSCompiler" />
+  <!--<Target Name="CheckIfShouldKillVBCSCompiler" />-->

  <PropertyGroup Condition="'$(Configuration)' == 'Release'">
    <!--<PathMap>$(MSBuildProjectDirectory)=/</PathMap>-->
@@ -72,22 +72,12 @@
    <PackageReference Include="XPath2.Extensions" Version="1.1.0" />
  </ItemGroup>

-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' or '$(TargetFramework)' == 'net452' ">
    <!-- Required for WebRequestHandler -->
    <Reference Include="System.Net.Http.WebRequest" />

    <PackageReference Include="Microsoft.AspNet.WebApi.OwinSelfHost" Version="5.2.6" />
    <PackageReference Include="System.ValueTuple" Version="4.5.0" />
-    <PackageReference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" Version="2.0.1" />
-  </ItemGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
-    <!-- Required for WebRequestHandler -->
-    <Reference Include="System.Net.Http.WebRequest" />
-
-    <PackageReference Include="Microsoft.AspNet.WebApi.OwinSelfHost" Version="5.2.6" />
-    <PackageReference Include="System.ValueTuple" Version="4.5.0" />
-    <PackageReference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" Version="2.0.1" />
  </ItemGroup>

  <ItemGroup Condition=" '$(TargetFramework)' == 'net46' ">
@@ -97,7 +87,6 @@
    <PackageReference Include="Microsoft.Owin.Hosting" Version="4.0.0" />
    <PackageReference Include="System.Net.Http" Version="4.3.3" />
    <PackageReference Include="System.ValueTuple" Version="4.5.0" />
-    <PackageReference Include="CS-Script" Version="3.29.0" />
  </ItemGroup>

  <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
@@ -105,8 +94,6 @@

    <!-- https://github.com/WireMock-Net/WireMock.Net/issues/507 -->
    <PackageReference Include="Microsoft.AspNetCore.Server.IIS" Version="2.2.6" />
-
-    <PackageReference Include="CS-Script" Version="3.29.0" />
  </ItemGroup>

  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
@@ -117,34 +104,15 @@
    <PackageReference Include="System.ValueTuple" Version="4.5.0" />
  </ItemGroup>

-  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0'">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netstandard2.1' ">
    <PackageReference Include="Microsoft.AspNetCore" Version="2.2.0" />

    <!-- https://github.com/WireMock-Net/WireMock.Net/issues/507 -->
    <PackageReference Include="Microsoft.AspNetCore.Server.IIS" Version="2.2.6" />
-    <PackageReference Include="CS-Script.Core" Version="1.1.1" />
  </ItemGroup>

-  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.1'">
-    <PackageReference Include="Microsoft.AspNetCore" Version="2.2.0" />
-
-    <!-- https://github.com/WireMock-Net/WireMock.Net/issues/507 -->
-    <PackageReference Include="Microsoft.AspNetCore.Server.IIS" Version="2.2.6" />
-
-    <!-- https://github.com/WireMock-Net/WireMock.Net/issues/448 -->
-    <PackageReference Include="CS-Script.Core" Version="1.3.1" />
-  </ItemGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1'">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0'">
    <FrameworkReference Include="Microsoft.AspNetCore.App" />
-    <!-- https://github.com/WireMock-Net/WireMock.Net/issues/448 -->
-    <PackageReference Include="CS-Script.Core" Version="1.4.0" />
-  </ItemGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net5.0'">
-    <FrameworkReference Include="Microsoft.AspNetCore.App" />
-    <!-- https://github.com/WireMock-Net/WireMock.Net/issues/448 -->
-    <PackageReference Include="CS-Script.Core" Version="1.4.0" />
  </ItemGroup>

  <ItemGroup>
--- a/test/WireMock.Net.Tests/Plugin/PluginLoaderTests.cs
+++ b/test/WireMock.Net.Tests/Plugin/PluginLoaderTests.cs
@@ -0,0 +1,35 @@
+using System;
+using FluentAssertions;
+using WireMock.Matchers;
+using WireMock.Plugin;
+using Xunit;
+
+namespace WireMock.Net.Tests.Plugin
+{
+    public class PluginLoaderTests
+    {
+        public interface IDummy
+        {
+        }
+
+        [Fact]
+        public void Load_Valid()
+        {
+            // Act
+            var result = PluginLoader.Load<ICSharpCodeMatcher>(MatchBehaviour.AcceptOnMatch, "x");
+
+            // Assert
+            result.Should().NotBeNull();
+        }
+
+        [Fact]
+        public void Load_Invalid_ThrowsException()
+        {
+            // Act
+            Action a = () => PluginLoader.Load<IDummy>();
+
+            // Assert
+            a.Should().Throw<DllNotFoundException>();
+        }
+    }
+}
--- a/test/WireMock.Net.Tests/Serialization/MatcherModelMapperTests.cs
+++ b/test/WireMock.Net.Tests/Serialization/MatcherModelMapperTests.cs
@@ -20,6 +20,50 @@ namespace WireMock.Net.Tests.Serialization
            _sut = new MatcherMapper(_settings);
        }

+        [Fact]
+        public void MatcherModelMapper_Map_CSharpCodeMatcher()
+        {
+            // Assign
+            var model = new MatcherModel
+            {
+                Name = "CSharpCodeMatcher",
+                Patterns = new[] { "return it == \"x\";" }
+            };
+            var sut = new MatcherMapper(new WireMockServerSettings { AllowCSharpCodeMatcher = true });
+
+            // Act 1
+            var matcher1 = (ICSharpCodeMatcher)sut.Map(model);
+
+            // Assert 1
+            matcher1.Should().NotBeNull();
+            matcher1.IsMatch("x").Should().Be(1.0d);
+
+            // Act 2
+            var matcher2 = (ICSharpCodeMatcher)sut.Map(model);
+
+            // Assert 2
+            matcher2.Should().NotBeNull();
+            matcher2.IsMatch("x").Should().Be(1.0d);
+        }
+
+        [Fact]
+        public void MatcherModelMapper_Map_CSharpCodeMatcher_NotAllowed_ThrowsException()
+        {
+            // Assign
+            var model = new MatcherModel
+            {
+                Name = "CSharpCodeMatcher",
+                Patterns = new[] { "x" }
+            };
+            var sut = new MatcherMapper(new WireMockServerSettings { AllowCSharpCodeMatcher = false });
+
+            // Act
+            Action action = () => sut.Map(model);
+
+            // Assert
+            action.Should().Throw<NotSupportedException>();
+        }
+
        [Fact]
        public void MatcherModelMapper_Map_Null()
        {
--- a/test/WireMock.Net.Tests/WireMock.Net.Tests.csproj
+++ b/test/WireMock.Net.Tests/WireMock.Net.Tests.csproj
@@ -2,7 +2,7 @@

  <PropertyGroup>
    <Authors>Stef Heyenrath</Authors>
-    <TargetFrameworks>net452;netcoreapp3.1;net5.0</TargetFrameworks>
+    <TargetFrameworks>net452;net461;netcoreapp3.1;net5.0</TargetFrameworks>
    <IsPackable>false</IsPackable>
    <DebugType>full</DebugType>
    <AssemblyName>WireMock.Net.Tests</AssemblyName>
@@ -26,6 +26,7 @@
  <ItemGroup>
    <ProjectReference Include="..\..\src\WireMock.Net.Abstractions\WireMock.Net.Abstractions.csproj" />
    <ProjectReference Include="..\..\src\WireMock.Net.FluentAssertions\WireMock.Net.FluentAssertions.csproj" />
+    <ProjectReference Include="..\..\src\WireMock.Net.Matchers.CSharpCode\WireMock.Net.Matchers.CSharpCode.csproj" />
    <ProjectReference Include="..\..\src\WireMock.Net.RestClient\WireMock.Net.RestClient.csproj" />
    <ProjectReference Include="..\..\src\WireMock.Net\WireMock.Net.csproj" />
  </ItemGroup>
--- a/test/WireMock.Net.Tests/WireMockAdminApiTests.cs
+++ b/test/WireMock.Net.Tests/WireMockAdminApiTests.cs
@@ -1,4 +1,5 @@
-using System;
+#if !NET452 && !NET461
+using System;
 using System.Linq;
 using System.Net.Http;
 using System.Net.Http.Headers;
@@ -552,4 +553,5 @@ namespace WireMock.Net.Tests
            server.Stop();
        }
    }
-}
+}
+#endif
--- a/test/WireMock.Net.Tests/WireMockServerTests.cs
+++ b/test/WireMock.Net.Tests/WireMockServerTests.cs
@@ -175,7 +175,7 @@ namespace WireMock.Net.Tests
            server.Stop();
        }

-#if !NET452
+#if !NET452 && !NET461
        [Theory]
        [InlineData("TRACE")]
        [InlineData("GET")]