Checker for .NET framework version (#1518)

[feat] added checker for .NET framework version

Author: MchKosticyn

utbot-rider/src/dotnet/UtBot/UtBot.VSharp/VSharpMain.cs

@@ -49,9 +49,8 @@ public static void Main(string[] args)
                     var solution = new FileInfo(solutionFilePath);
                     var declaringType = methodBase.DeclaringType;
                     Debug.Assert(declaringType != null);
-                    var (generatedProject, renderedFiles) = Renderer.Render(stat.Results(), targetProject,
-                        declaringType,
-                        assemblyLoadContext, solution);
+                    var (generatedProject, renderedFiles) =
+                        Renderer.Render(stat.Results(), targetProject, declaringType, assemblyLoadContext, solution);
                     var result = new GenerateResults(generatedProject.FullName, renderedFiles.ToArray());
                     blockingQueue.Add("End");
                     return result;
@@ -68,4 +67,4 @@ public static void Main(string[] args)
         blockingQueue.Take();
         ldef.Terminate();
     }
-}
+}

utbot-rider/src/dotnet/UtBot/UtBot/TargetFrameworkChecker.cs

@@ -0,0 +1,51 @@
+#nullable enable
+using System;
+using System.Diagnostics;
+using System.Text.RegularExpressions;
+
+namespace UtBot;
+
+public class FrameworkChecker
+{
+    private readonly int _majorVersion;
+
+    public FrameworkChecker()
+    {
+        var dotnetInfo = RunDotnet(new ProcessStartInfo
+        {
+            Arguments = "--info",
+        });
+        if (dotnetInfo == null)
+            throw new Exception("Could not get dotnet info");
+
+        MatchCollection matches = Regex.Matches(dotnetInfo, @".*?Version:\s*?(\d{1})\.\d{1}\.\d{3}");
+        if (matches.Count < 1)
+            throw new Exception("Could not find dotnet cli");
+
+        var match = matches[0];
+        if (!int.TryParse(match.Groups[1].Value, out _majorVersion))
+            throw new Exception("Could not parse dotnet version");
+    }
+
+    private static string? RunDotnet(ProcessStartInfo startInfo)
+    {
+        startInfo.FileName = "dotnet";
+        startInfo.RedirectStandardError = true;
+        startInfo.RedirectStandardOutput = true;
+
+        var pi = Process.Start(startInfo);
+        var s = pi?.StandardOutput.ReadToEnd();
+        pi?.WaitForExit();
+        return s;
+    }
+
+    public bool FrameworkSupportsVSharp()
+    {
+        return _majorVersion >= 6;
+    }
+
+    public bool FrameworkSupportsProject(Version tfm)
+    {
+        return _majorVersion >= tfm.Major;
+    }
+}

utbot-rider/src/dotnet/UtBot/UtBot/UnitTestBuilder.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Reflection;
@@ -26,6 +27,7 @@
 using JetBrains.ReSharper.UnitTestFramework.Exploration.Artifacts;
 using JetBrains.Rider.Model;
 using JetBrains.Util;
+using JetBrains.Util.Dotnet.TargetFrameworkIds;
 using UtBot.Rd.Generated;
 using UtBot.VSharp;
 using Thread = System.Threading.Thread;
@@ -68,7 +70,8 @@ protected override void Process(CSharpGeneratorContext context, IProgressIndicat
         var typeElement = context.ClassDeclaration.DeclaredElement;
         if (typeElement == null) return;
         if (!(typeElement is IClass) && !(typeElement is IStruct)) return;
-        var assembly = project.GetOutputFilePath(context.PsiModule.TargetFrameworkId);
+        var tfm = context.PsiModule.TargetFrameworkId;
+        var assembly = project.GetOutputFilePath(tfm);
         var descriptors = new List<UnitTestMethodDescriptor>();
         foreach (var inputElement in context.InputElements.WithProgress(progress, "Generating Unit tests")
                      .OfType<GeneratorDeclaredElement<IMethod>>())
@@ -83,7 +86,7 @@ protected override void Process(CSharpGeneratorContext context, IProgressIndicat
         {
             try
             {
-                Generate(indicator, project, assembly, descriptors);
+                Generate(indicator, project, assembly, descriptors, tfm);
             }
             finally
             {
@@ -93,7 +96,7 @@ protected override void Process(CSharpGeneratorContext context, IProgressIndicat
     }
 
     private void Generate(IBackgroundProgressIndicator progressIndicator, IProject project,
-        VirtualFileSystemPath assemblyPath, List<UnitTestMethodDescriptor> descriptors)
+        VirtualFileSystemPath assemblyPath, List<UnitTestMethodDescriptor> descriptors, TargetFrameworkId tfm)
     {
         SolutionBuilderRequest buildRequest;
         var contextUnloaded = false;
@@ -136,7 +139,7 @@ private void Generate(IBackgroundProgressIndicator progressIndicator, IProject p
                     _logger.Verbose("Start Generation");
                     _logger.Catch(() =>
                     {
-                        project.Locks.AssertNonMainThread(); 
+                        project.Locks.AssertNonMainThread();
                         var pluginPath = FileSystemPath.Parse(Assembly.GetExecutingAssembly().Location)
                             .Parent;
                         var vsharpRunner = pluginPath.Combine("UtBot.VSharp.dll");
@@ -148,7 +151,7 @@ private void Generate(IBackgroundProgressIndicator progressIndicator, IProject p
                         var args = new GenerateArguments(assemblyPath.FullPath, projectCsprojPath, solutionFilePath,
                             moduleFqnName, methodToken, _generationTimeout);
                         var result = proc.VSharpModel.Generate.Sync(args, RpcTimeouts.Maximal);
-                        unitTestProjectLocation = result?.GeneratedProjectPath ?? ""; 
+                        unitTestProjectLocation = result?.GeneratedProjectPath ?? "";
                         _shellLocks.ExecuteOrQueue(_lifetime, "UnitTestBuilder::Generate", () =>
                         {
                             if (solution.IsValid())
@@ -233,4 +236,4 @@ private IProject TryToFindProject(ISolution solution, VirtualFileSystemPath unit
     {
         return solution.FindProjectItemsByLocation(unitTestProjectPath).SingleItem() as IProject;
     }
-}
+}