Infra enhancements

Author: FlorianRappl

src/ElectronNET.Host/ElectronNET.Host.esproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.VisualStudio.JavaScript.Sdk/1.0.3864779">
+<Project Sdk="Microsoft.VisualStudio.JavaScript.Sdk/1.0.6537497">
   <ItemGroup>
     <None Include=".vscode\tasks.json" />
   </ItemGroup>

src/ElectronNET.IntegrationTests/Tests/ElectronCleanTargetsTests.cs

@@ -0,0 +1,108 @@
+using System.Diagnostics;
+
+namespace ElectronNET.IntegrationTests.Tests;
+
+/// <summary>
+/// Tests for the Electron clean targets.
+/// Covers GitHub issue #1096: cleaning must not require a restore, so the clean targets
+/// must not depend on targets that need the assets file (NETSDK1004).
+/// </summary>
+public class ElectronCleanTargetsTests
+{
+    private static readonly string CorePropsPath = FindBuildFile("src/ElectronNET/build/ElectronNET.Core.props", "ElectronNET/build/ElectronNET.Core.props");
+    private static readonly string CoreTargetsPath = FindBuildFile("src/ElectronNET/build/ElectronNET.Core.targets", "ElectronNET/build/ElectronNET.Core.targets");
+
+    [Fact]
+    public async Task ElectronCleanTargets_WithoutRestore_ShouldSucceed()
+    {
+        var tempDir = CreateTempProjectDirectory();
+
+        try
+        {
+            await WriteMinimalCsprojAsync(tempDir);
+
+            var (exitCode, output) = await RunDotnetMsBuildAsync(tempDir, "Clean");
+
+            output.Should().NotContain("NETSDK1004",
+                $"cleaning must not require the assets file of a previous restore. Full output:\n{output}");
+
+            exitCode.Should().Be(0,
+                $"cleaning an unrestored project must succeed. Full output:\n{output}");
+        }
+        finally
+        {
+            Directory.Delete(tempDir, recursive: true);
+        }
+    }
+
+    private static string FindBuildFile(string relativeFromRepoRoot, string relativeFromSrc)
+    {
+        var dir = new DirectoryInfo(AppContext.BaseDirectory);
+        while (dir != null)
+        {
+            var fromRepoRoot = Path.Combine(dir.FullName, relativeFromRepoRoot);
+            if (File.Exists(fromRepoRoot))
+            {
+                return Path.GetFullPath(fromRepoRoot);
+            }
+
+            var fromSrc = Path.Combine(dir.FullName, relativeFromSrc);
+            if (File.Exists(fromSrc))
+            {
+                return Path.GetFullPath(fromSrc);
+            }
+
+            dir = dir.Parent;
+        }
+
+        throw new FileNotFoundException(
+            $"Could not locate '{relativeFromRepoRoot}' by walking up from '{AppContext.BaseDirectory}'.");
+    }
+
+    private static string CreateTempProjectDirectory()
+    {
+        var tempDir = Path.Combine(Path.GetTempPath(), $"electron-net-clean-test-{Guid.NewGuid():N}");
+        Directory.CreateDirectory(tempDir);
+        Directory.CreateDirectory(Path.Combine(tempDir, "Properties"));
+        return tempDir;
+    }
+
+    private static Task WriteMinimalCsprojAsync(string tempDir)
+    {
+        var propsPathEscaped = CorePropsPath.Replace("'", "&apos;");
+        var targetsPathEscaped = CoreTargetsPath.Replace("'", "&apos;");
+
+        return File.WriteAllTextAsync(
+            Path.Combine(tempDir, "TestApp.csproj"),
+            $$"""
+            <Project Sdk="Microsoft.NET.Sdk">
+              <PropertyGroup>
+                <TargetFramework>net10.0</TargetFramework>
+              </PropertyGroup>
+
+              <Import Project="{{propsPathEscaped}}" />
+
+              <Import Project="{{targetsPathEscaped}}" />
+            </Project>
+            """);
+    }
+
+    private static async Task<(int ExitCode, string Output)> RunDotnetMsBuildAsync(string workingDirectory, string target)
+    {
+        // Deliberately without /restore - that is what issue #1096 is about.
+        var psi = new ProcessStartInfo("dotnet", $"msbuild TestApp.csproj --nologo -v:minimal /t:{target}")
+        {
+            WorkingDirectory = workingDirectory,
+            RedirectStandardOutput = true,
+            RedirectStandardError = true,
+            UseShellExecute = false,
+        };
+
+        using var process = Process.Start(psi)!;
+        var stdOut = await process.StandardOutput.ReadToEndAsync();
+        var stdErr = await process.StandardError.ReadToEndAsync();
+        await process.WaitForExitAsync();
+
+        return (process.ExitCode, stdOut + stdErr);
+    }
+}