chore: Extract abstractions into separate project

integrationtest/TargetProjects/IntegrationTestApp.sln

@@ -0,0 +1,66 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.1.32421.90
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Library", "Library\Library.csproj", "{506AB0A3-E830-4504-A1EE-0C9F531A9ACE}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NetCoreTestProject.NUnit", "NetCoreTestProject.NUnit\NetCoreTestProject.NUnit.csproj", "{602929D8-22C6-47AD-BD1F-9DB81FB76231}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NetCoreTestProject.XUnit", "NetCoreTestProject.XUnit\NetCoreTestProject.XUnit.csproj", "{D2502C99-4676-4F4F-88F2-4F0384BF76EA}"
+EndProject
+Project("{D954291E-2A0B-460D-934E-DC6B0785DB48}") = "SharedProject", "SharedProject\SharedProject.shproj", "{AE33CEEA-7EB1-438D-ABD4-3208D032C5D3}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TargetProject", "TargetProject\TargetProject.csproj", "{FD5B399F-F31D-4E95-824D-EF3FDC2F610C}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ExtraProject", "ExtraProject\ExtraProject.csproj", "{70462F5F-6EC9-43F9-B360-3F61C9636804}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ExtraProject.XUnit", "ExtraProject.XUnit\ExtraProject.XUnit.csproj", "{A862920A-7A81-4317-984E-2302A47B1792}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EmptyTestProject", "EmptyTestProject\EmptyTestProject.csproj", "{4EF7D9F7-8BEC-48B7-A336-0CD89EEBF627}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{506AB0A3-E830-4504-A1EE-0C9F531A9ACE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{506AB0A3-E830-4504-A1EE-0C9F531A9ACE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{506AB0A3-E830-4504-A1EE-0C9F531A9ACE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{506AB0A3-E830-4504-A1EE-0C9F531A9ACE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{602929D8-22C6-47AD-BD1F-9DB81FB76231}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{602929D8-22C6-47AD-BD1F-9DB81FB76231}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{602929D8-22C6-47AD-BD1F-9DB81FB76231}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{602929D8-22C6-47AD-BD1F-9DB81FB76231}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D2502C99-4676-4F4F-88F2-4F0384BF76EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D2502C99-4676-4F4F-88F2-4F0384BF76EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D2502C99-4676-4F4F-88F2-4F0384BF76EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D2502C99-4676-4F4F-88F2-4F0384BF76EA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FD5B399F-F31D-4E95-824D-EF3FDC2F610C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FD5B399F-F31D-4E95-824D-EF3FDC2F610C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FD5B399F-F31D-4E95-824D-EF3FDC2F610C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FD5B399F-F31D-4E95-824D-EF3FDC2F610C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{70462F5F-6EC9-43F9-B360-3F61C9636804}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{70462F5F-6EC9-43F9-B360-3F61C9636804}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{70462F5F-6EC9-43F9-B360-3F61C9636804}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{70462F5F-6EC9-43F9-B360-3F61C9636804}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A862920A-7A81-4317-984E-2302A47B1792}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A862920A-7A81-4317-984E-2302A47B1792}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A862920A-7A81-4317-984E-2302A47B1792}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A862920A-7A81-4317-984E-2302A47B1792}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4EF7D9F7-8BEC-48B7-A336-0CD89EEBF627}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4EF7D9F7-8BEC-48B7-A336-0CD89EEBF627}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4EF7D9F7-8BEC-48B7-A336-0CD89EEBF627}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4EF7D9F7-8BEC-48B7-A336-0CD89EEBF627}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {0C29E1AA-5805-4524-8160-B0C28E4050D8}
+	EndGlobalSection
+	GlobalSection(SharedMSBuildProjectFiles) = preSolution
+		SharedProject\SharedProject.projitems*{ae33ceea-7eb1-438d-abd4-3208d032c5d3}*SharedItemsImports = 13
+	EndGlobalSection
+EndGlobal

integrationtest/TargetProjects/NetCore/Library/packages.lock.json

@@ -1,6 +1,6 @@
 {
   "version": 1,
   "dependencies": {
-    "net8.0": {}
+    "net7.0": {}
   }
 }

integrationtest/TargetProjects/NetCore/TargetProject/packages.lock.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "dependencies": {
-    "net8.0": {
+    "net7.0": {
       "Microsoft.CodeAnalysis.Common": {
         "type": "Direct",
         "requested": "[4.11.0, )",

integrationtest/Validation/ValidationProject/ValidateStrykerResults.cs

@@ -2,11 +2,12 @@
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
+using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.Text;
-using Newtonsoft.Json;
 using Shouldly;
-using Stryker.Core.Mutants;
+using Stryker.Abstractions.Mutants;
+using Stryker.Abstractions.Reporting;
 using Stryker.Core.Reporters.Json;
 using Xunit;
 
@@ -48,7 +49,7 @@ public class ValidateStrykerResults
 
         [Fact]
         [Trait("Category", "SingleTestProject")]
-        public void CSharp_NetFramework_SingleTestProject()
+        public async Task CSharp_NetFramework_SingleTestProject()
         {
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
             {
@@ -59,36 +60,36 @@ public void CSharp_NetFramework_SingleTestProject()
                     .OrderByDescending(f => f.LastWriteTime)
                     .First();
 
-                var strykerRunOutput = File.ReadAllText(latestReport.FullName);
+                using var strykerRunOutput = File.OpenRead(latestReport.FullName);
 
-                var report = JsonConvert.DeserializeObject<JsonReport>(strykerRunOutput);
+                var report = await JsonReportSerialization.DeserializeJsonReportAsync(strykerRunOutput);
 
                 CheckReportMutants(report, total: 29, ignored: 7, survived: 3, killed: 7, timeout: 0, nocoverage: 11);
             }
         }
 
         [Fact]
         [Trait("Category", "SingleTestProject")]
-        public void CSharp_NetCore_SingleTestProject()
+        public async Task CSharp_NetCore_SingleTestProject()
         {
             var directory = new DirectoryInfo("../../../../../TargetProjects/NetCore/NetCoreTestProject.XUnit/StrykerOutput");
             directory.GetFiles("*.json", SearchOption.AllDirectories).ShouldNotBeEmpty("No reports available to assert");
 
             var latestReport = directory.GetFiles(MutationReportJson, SearchOption.AllDirectories)
                 .OrderByDescending(f => f.LastWriteTime)
                 .First();
-
-            var strykerRunOutput = File.ReadAllText(latestReport.FullName);
 
-            var report = JsonConvert.DeserializeObject<JsonReport>(strykerRunOutput);
+            using var strykerRunOutput = File.OpenRead(latestReport.FullName);
+
+            var report = await JsonReportSerialization.DeserializeJsonReportAsync(strykerRunOutput);
 
             CheckReportMutants(report, total: 589, ignored: 246, survived: 4, killed: 9, timeout: 2, nocoverage: 297);
             CheckReportTestCounts(report, total: 11);
         }
 
         [Fact]
         [Trait("Category", "FSharp")]
-        public void FSharp_SingleTestProject()
+        public async Task FSharp_SingleTestProject()
         {
             var directory = new DirectoryInfo("../../../../../TargetProjects/NetCore/Library.FSharp.XUnit/StrykerOutput");
             directory.GetFiles("*.json", SearchOption.AllDirectories).ShouldNotBeEmpty("No reports available to assert");
@@ -98,17 +99,17 @@ public void FSharp_SingleTestProject()
                 .OrderByDescending(f => f.LastWriteTime)
                 .First();
 
-            var strykerRunOutput = File.ReadAllText(latestReport.FullName);
+            using var strykerRunOutput = File.OpenRead(latestReport.FullName);
 
-            var report = JsonConvert.DeserializeObject<JsonReport>(strykerRunOutput);
+            var report = await JsonReportSerialization.DeserializeJsonReportAsync(strykerRunOutput);
 
             CheckReportMutants(report, total: 0, ignored: 0, survived: 0, killed: 0, timeout: 0, nocoverage: 0);
             CheckReportTestCounts(report, total: 0);
         }
 
         [Fact]
         [Trait("Category", "MultipleTestProjects")]
-        public void CSharp_NetCore_WithTwoTestProjects()
+        public async Task CSharp_NetCore_WithTwoTestProjects()
         {
             var directory = new DirectoryInfo("../../../../../TargetProjects/NetCore/Targetproject/StrykerOutput");
             directory.GetFiles("*.json", SearchOption.AllDirectories).ShouldNotBeEmpty("No reports available to assert");
@@ -117,17 +118,17 @@ public void CSharp_NetCore_WithTwoTestProjects()
                 .OrderByDescending(f => f.LastWriteTime)
                 .First();
 
-            var strykerRunOutput = File.ReadAllText(latestReport.FullName);
+            using var strykerRunOutput = File.OpenRead(latestReport.FullName);
 
-            var report = JsonConvert.DeserializeObject<JsonReport>(strykerRunOutput);
+            var report = await JsonReportSerialization.DeserializeJsonReportAsync(strykerRunOutput);
 
             CheckReportMutants(report, total: 589, ignored: 105, survived: 5, killed: 11, timeout: 2, nocoverage: 435);
             CheckReportTestCounts(report, total: 21);
         }
 
         [Fact]
         [Trait("Category", "Solution")]
-        public void CSharp_NetCore_SolutionRun()
+        public async Task CSharp_NetCore_SolutionRun()
         {
             var directory = new DirectoryInfo("../../../../../TargetProjects/NetCore/StrykerOutput");
             directory.GetFiles("*.json", SearchOption.AllDirectories).ShouldNotBeEmpty("No reports available to assert");
@@ -136,15 +137,15 @@ public void CSharp_NetCore_SolutionRun()
                 .OrderByDescending(f => f.LastWriteTime)
                 .First();
 
-            var strykerRunOutput = File.ReadAllText(latestReport.FullName);
+            using var strykerRunOutput = File.OpenRead(latestReport.FullName);
 
-            var report = JsonConvert.DeserializeObject<JsonReport>(strykerRunOutput);
+            var report = await JsonReportSerialization.DeserializeJsonReportAsync(strykerRunOutput);
 
             CheckReportMutants(report, total: 589, ignored: 246, survived: 4, killed: 9, timeout: 2, nocoverage: 297);
             CheckReportTestCounts(report, total: 23);
         }
 
-        private void CheckMutationKindsValidity(JsonReport report)
+        private void CheckMutationKindsValidity(IJsonReport report)
         {
             foreach (var file in report.Files)
             {
@@ -164,7 +165,7 @@ private void CheckMutationKindsValidity(JsonReport report)
             }
         }
 
-        private void CheckReportMutants(JsonReport report, int total, int ignored, int survived, int killed, int timeout, int nocoverage)
+        private void CheckReportMutants(IJsonReport report, int total, int ignored, int survived, int killed, int timeout, int nocoverage)
         {
             var actualTotal = report.Files.Select(f => f.Value.Mutants.Count()).Sum();
             var actualIgnored = report.Files.Select(f => f.Value.Mutants.Count(m => m.Status == MutantStatus.Ignored.ToString())).Sum();
@@ -185,7 +186,7 @@ private void CheckReportMutants(JsonReport report, int total, int ignored, int s
             CheckMutationKindsValidity(report);
         }
 
-        private void CheckReportTestCounts(JsonReport report, int total)
+        private void CheckReportTestCounts(IJsonReport report, int total)
         {
             var actualTotal = report.TestFiles.Sum(tf => tf.Value.Tests.Count);
 

src/Directory.Build.props

@@ -8,6 +8,7 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
     <DisableImplicitNuGetFallbackFolder>true</DisableImplicitNuGetFallbackFolder>
+    <ImplicitUsings>disable</ImplicitUsings>
     <RestoreLockedMode Condition="'$(RestoreLockedMode)' == 'true'">true</RestoreLockedMode>
   </PropertyGroup>
 

src/Directory.Packages.props

@@ -35,6 +35,7 @@
     <PackageVersion Include="Microsoft.TestPlatform.TranslationLayer" Version="17.11.1" />
     <PackageVersion Include="TestableIO.System.IO.Abstractions.Wrappers" Version="21.0.29" />
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="8.0.1" />
+    <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
   </ItemGroup>
   <ItemGroup>
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />

src/Stryker.Core/Stryker.Core/Baseline/Providers/BaselineProvider.cs → src/Stryker.Abstractions/Baseline/BaselineProvider.cs

@@ -1,4 +1,4 @@
-namespace Stryker.Core.Baseline.Providers
+namespace Stryker.Abstractions.Baseline
 {
     public enum BaselineProvider
     {

src/Stryker.Abstractions/Baseline/IBaselineProvider.cs

@@ -0,0 +1,11 @@
+using System.Threading.Tasks;
+using Stryker.Abstractions.Reporting;
+
+namespace Stryker.Abstractions.Baseline
+{
+    public interface IBaselineProvider
+    {
+        Task<IJsonReport> Load(string version);
+        Task Save(IJsonReport report, string version);
+    }
+}

src/Stryker.Core/Stryker.Core/Exceptions/CompilationException.cs → src/Stryker.Abstractions/Exceptions/CompilationException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Stryker.Core.Exceptions;
+namespace Stryker.Abstractions.Exceptions;
 
 /// <summary>
 /// Represents errors which are related to roslyn compilation errors that we cannot fix, 

src/Stryker.Core/Stryker.Core/Exceptions/GeneralStrykerException.cs → src/Stryker.Abstractions/Exceptions/GeneralStrykerException.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Text;
 
-namespace Stryker.Core.Exceptions
+namespace Stryker.Abstractions.Exceptions
 {
     /// <summary>
     /// Represents errors which are caused by known exceptions in Stryker.

src/Stryker.Core/Stryker.Core/Exceptions/InputException.cs → src/Stryker.Abstractions/Exceptions/InputException.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Text;
 
-namespace Stryker.Core.Exceptions;
+namespace Stryker.Abstractions.Exceptions;
 
 /// <summary>
 /// Represents errors which are related to user input.
@@ -12,7 +12,7 @@
 {
     public string Details { get; }
 
     public InputException(string message)
         : base(message)
     {
     }

src/Stryker.Core/Stryker.Core/Exceptions/NoTestProjectsException.cs → src/Stryker.Abstractions/Exceptions/NoTestProjectsException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Stryker.Core.Exceptions;
+namespace Stryker.Abstractions.Exceptions;
 
 /// <summary>
 /// Represents error when no test projects are found in the solution or configured for stryker.

src/Stryker.Abstractions/IMutant.cs

@@ -0,0 +1,22 @@
+using Stryker.Abstractions.TestRunners;
+using Stryker.Abstractions;
+
+namespace Stryker.Abstractions.Mutants;
+
+public interface IMutant : IReadOnlyMutant
+{
+    new int Id { get; set; }
+    new Mutation Mutation { get; set; }
+    new MutantStatus ResultStatus { get; set; }
+    new string ResultStatusReason { get; set; }
+    new ITestGuids CoveringTests { get; set; }
+    new ITestGuids KillingTests { get; set; }
+    new ITestGuids AssessingTests { get; set; }
+    new bool CountForStats { get; }
+    new bool IsStaticValue { get; set; }
+
+    string DisplayName { get; }
+    bool MustBeTestedInIsolation { get; set; }
+
+    void AnalyzeTestRun(ITestGuids failedTests, ITestGuids resultRanTests, ITestGuids timedOutTests, bool sessionTimedOut);
+}

src/Stryker.Core/Stryker.Core/Mutators/IMutator.cs → src/Stryker.Abstractions/IMutator.cs

@@ -1,11 +1,11 @@
 using Microsoft.CodeAnalysis;
-using Stryker.Core.Mutants;
-using Stryker.Core.Options;
+using Stryker.Abstractions.Options;
+using Stryker.Abstractions.Mutants;
 using System.Collections.Generic;
 
-namespace Stryker.Core.Mutators;
+namespace Stryker.Abstractions.Mutators;
 
 public interface IMutator
 {
-    IEnumerable<Mutation> Mutate(SyntaxNode node, SemanticModel semanticModel, StrykerOptions options);
+    IEnumerable<Mutation> Mutate(SyntaxNode node, SemanticModel semanticModel, IStrykerOptions options);
 }

src/Stryker.Core/Stryker.Core/Initialisation/IProjectAndTests.cs → src/Stryker.Abstractions/IProjectAndTests.cs

@@ -1,11 +1,11 @@
 using System.Collections.Generic;
-using Stryker.Core.ProjectComponents.TestProjects;
+using Stryker.Abstractions.ProjectComponents;
 
-namespace Stryker.Core.Initialisation;
+namespace Stryker.Abstractions.Initialisation;
 
 public interface IProjectAndTests
 {
-    TestProjectsInfo TestProjectsInfo { get;}
+    ITestProjectsInfo TestProjectsInfo { get;}
 
     string HelperNamespace { get; }
 

src/Stryker.Abstractions/IProvideId.cs

@@ -0,0 +1,6 @@
+namespace Stryker.Abstractions;
+
+public interface IProvideId
+{
+    int NextId();
+}

src/Stryker.Abstractions/IReadOnlyMutant.cs

@@ -0,0 +1,20 @@
+using Stryker.Abstractions.TestRunners;
+using Stryker.Abstractions.Mutants;
+
+namespace Stryker.Abstractions;
+
+/// <summary>
+/// This interface should only contain readonly properties to ensure that others than the mutation test process cannot modify mutants.
+/// </summary>
+public interface IReadOnlyMutant
+{
+    int Id { get; }
+    Mutation Mutation { get; }
+    MutantStatus ResultStatus { get; }
+    string ResultStatusReason { get; }
+    ITestGuids CoveringTests { get; }
+    ITestGuids KillingTests { get; }
+    ITestGuids AssessingTests { get; }
+    bool CountForStats { get; }
+    bool IsStaticValue { get; }
+}

src/Stryker.Abstractions/ITimeoutValueCalculator.cs

@@ -0,0 +1,7 @@
+namespace Stryker.Abstractions;
+
+public interface ITimeoutValueCalculator
+{
+    int CalculateTimeoutValue(int estimatedTime);
+    int DefaultTimeout { get; }
+}