fix.正在修复 .NET运行时问题

LanMountainDesktop.Tests/AirAppProcessStarterRuntimeTests.cs

@@ -0,0 +1,74 @@
+using LanMountainDesktop.Launcher.Services;
+using LanMountainDesktop.Launcher.Services.AirApp;
+using Xunit;
+
+namespace LanMountainDesktop.Tests;
+
+public sealed class AirAppProcessStarterRuntimeTests : IDisposable
+{
+    private readonly string _root;
+
+    public AirAppProcessStarterRuntimeTests()
+    {
+        _root = Path.Combine(Path.GetTempPath(), "LanMountainDesktop.AirAppProcessStarterRuntimeTests", Guid.NewGuid().ToString("N"));
+        Directory.CreateDirectory(_root);
+    }
+
+    [Fact]
+    public void CreateStartInfo_UsesPackagedExecutable_WhenExeExists()
+    {
+        var hostPath = Path.Combine(_root, OperatingSystem.IsWindows()
+            ? "LanMountainDesktop.AirAppHost.exe"
+            : "LanMountainDesktop.AirAppHost");
+        File.WriteAllText(hostPath, string.Empty);
+
+        var startInfo = AirAppProcessStarter.CreateStartInfo(hostPath);
+
+        Assert.Equal(hostPath, startInfo.FileName);
+        Assert.Empty(startInfo.ArgumentList);
+    }
+
+    [Fact]
+    public void CreateStartInfo_UsesArchitectureMatchedDotnetHost_ForDllFallbackOnWindows()
+    {
+        if (!OperatingSystem.IsWindows())
+        {
+            return;
+        }
+
+        var programFiles = Path.Combine(_root, "ProgramFiles");
+        var dotnetRoot = Path.Combine(programFiles, "dotnet");
+        Directory.CreateDirectory(dotnetRoot);
+        var dotnetHost = Path.Combine(dotnetRoot, "dotnet.exe");
+        File.WriteAllText(dotnetHost, string.Empty);
+        Directory.CreateDirectory(Path.Combine(
+            dotnetRoot,
+            "shared",
+            DotNetRuntimeProbe.RequiredSharedFrameworkName,
+            "10.0.5"));
+
+        var hostDll = Path.Combine(_root, "LanMountainDesktop.AirAppHost.dll");
+        File.WriteAllText(hostDll, string.Empty);
+        var options = new DotNetRuntimeProbeOptions
+        {
+            Architecture = DotNetRuntimeArchitecture.X64,
+            ProgramFilesPath = programFiles,
+            ProgramFilesX86Path = Path.Combine(_root, "ProgramFilesX86"),
+            IncludeRegistry = false,
+            IncludeDotNetCli = false
+        };
+
+        var startInfo = AirAppProcessStarter.CreateStartInfo(hostDll, options);
+
+        Assert.Equal(dotnetHost, startInfo.FileName);
+        Assert.Equal(hostDll, startInfo.ArgumentList.Single());
+    }
+
+    public void Dispose()
+    {
+        if (Directory.Exists(_root))
+        {
+            Directory.Delete(_root, recursive: true);
+        }
+    }
+}

LanMountainDesktop.Tests/DotNetRuntimeProbeTests.cs

@@ -0,0 +1,135 @@
+using LanMountainDesktop.Launcher.Services;
+using Xunit;
+
+namespace LanMountainDesktop.Tests;
+
+public sealed class DotNetRuntimeProbeTests : IDisposable
+{
+    private readonly string _root;
+    private readonly string _programFiles;
+    private readonly string _programFilesX86;
+
+    public DotNetRuntimeProbeTests()
+    {
+        _root = Path.Combine(Path.GetTempPath(), "LanMountainDesktop.DotNetRuntimeProbeTests", Guid.NewGuid().ToString("N"));
+        _programFiles = Path.Combine(_root, "ProgramFiles");
+        _programFilesX86 = Path.Combine(_root, "ProgramFilesX86");
+        Directory.CreateDirectory(_programFiles);
+        Directory.CreateDirectory(_programFilesX86);
+    }
+
+    [Fact]
+    public void Probe_AcceptsTargetArchitectureRuntime_WhenDotnetHostIsMissing()
+    {
+        CreateRuntime(_programFiles, "10.0.5");
+
+        var result = DotNetRuntimeProbe.Probe(CreateOptions(DotNetRuntimeArchitecture.X64));
+
+        Assert.True(result.IsAvailable);
+        Assert.Null(result.DotNetHostPath);
+        Assert.Contains(result.DetectedRuntimes, runtime => runtime.Version == "10.0.5");
+    }
+
+    [Fact]
+    public void Probe_X64DoesNotAcceptX86OnlyRuntime()
+    {
+        CreateRuntime(_programFilesX86, "10.0.5");
+
+        var result = DotNetRuntimeProbe.Probe(CreateOptions(DotNetRuntimeArchitecture.X64));
+
+        Assert.False(result.IsAvailable);
+    }
+
+    [Fact]
+    public void Probe_X86DoesNotAcceptX64OnlyRuntime()
+    {
+        CreateRuntime(_programFiles, "10.0.5");
+
+        var result = DotNetRuntimeProbe.Probe(CreateOptions(DotNetRuntimeArchitecture.X86));
+
+        Assert.False(result.IsAvailable);
+    }
+
+    [Fact]
+    public void Probe_RejectsOlderMajorVersions()
+    {
+        CreateRuntime(_programFiles, "8.0.25");
+        CreateRuntime(_programFiles, "9.0.14");
+
+        var result = DotNetRuntimeProbe.Probe(CreateOptions(DotNetRuntimeArchitecture.X64));
+
+        Assert.False(result.IsAvailable);
+    }
+
+    [Fact]
+    public void ValidateDotNetRuntimePrerequisite_ReturnsStructuredFailure_WhenRuntimeIsMissing()
+    {
+        if (!OperatingSystem.IsWindows())
+        {
+            return;
+        }
+
+        var appDir = Path.Combine(_root, "app-1.0.0");
+        Directory.CreateDirectory(appDir);
+        var hostPath = Path.Combine(appDir, "LanMountainDesktop.exe");
+        File.WriteAllText(hostPath, string.Empty);
+        File.WriteAllText(Path.Combine(appDir, "LanMountainDesktop.runtimeconfig.json"), "{}");
+
+        var plan = new HostLaunchPlan(
+            hostPath,
+            _root,
+            appDir,
+            [],
+            new Dictionary<string, string>(),
+            new() { Version = "1.0.0", Codename = "Test" });
+        var resolution = new HostResolutionResult
+        {
+            Success = true,
+            ResolvedHostPath = hostPath,
+            AppRoot = _root,
+            ResolutionSource = "test",
+            SearchedPaths = [hostPath]
+        };
+
+        var result = LauncherFlowCoordinator.ValidateDotNetRuntimePrerequisite(
+            plan,
+            resolution,
+            CreateOptions(DotNetRuntimeArchitecture.X64));
+
+        Assert.NotNull(result);
+        Assert.False(result.Success);
+        Assert.Equal("dotnet_runtime_missing", result.Code);
+        Assert.Equal("False", result.Details["dotnetRuntimeAvailable"]);
+    }
+
+    private DotNetRuntimeProbeOptions CreateOptions(DotNetRuntimeArchitecture architecture)
+    {
+        return new DotNetRuntimeProbeOptions
+        {
+            Architecture = architecture,
+            ProgramFilesPath = _programFiles,
+            ProgramFilesX86Path = _programFilesX86,
+            DotNetHostCandidates = [],
+            IncludeRegistry = false,
+            IncludeDotNetCli = false
+        };
+    }
+
+    private static void CreateRuntime(string programFilesRoot, string version)
+    {
+        Directory.CreateDirectory(Path.Combine(
+            programFilesRoot,
+            "dotnet",
+            "shared",
+            DotNetRuntimeProbe.RequiredSharedFrameworkName,
+            version));
+    }
+
+    public void Dispose()
+    {
+        if (Directory.Exists(_root))
+        {
+            Directory.Delete(_root, recursive: true);
+        }
+    }
+}

LanMountainDesktop.Tests/PackagingRuntimePolicyTests.cs

@@ -0,0 +1,57 @@
+using Xunit;
+
+namespace LanMountainDesktop.Tests;
+
+public sealed class PackagingRuntimePolicyTests
+{
+    [Fact]
+    public void WindowsPackageScript_PublishesLauncherRootAndFrameworkDependentAppDirectory()
+    {
+        var script = ReadRepositoryFile("LanMountainDesktop", "scripts", "package.ps1");
+
+        Assert.Contains("Publish-LauncherPayload", script);
+        Assert.Contains("\"app-$Version\"", script);
+        Assert.Contains("Publish-MainAppFrameworkDependentPayload", script);
+        Assert.Contains("\"--self-contained\", \"false\"", script);
+        Assert.Contains("\"-p:SelfContained=false\"", script);
+    }
+
+    [Fact]
+    public void WindowsPayloadGuard_BlocksBundledDotNetRuntimeFiles()
+    {
+        var script = ReadRepositoryFile("LanMountainDesktop", "scripts", "Optimize-PublishPayload.ps1");
+
+        Assert.Contains("coreclr.dll", script);
+        Assert.Contains("hostfxr.dll", script);
+        Assert.Contains("hostpolicy.dll", script);
+        Assert.Contains("System.Private.CoreLib.dll", script);
+    }
+
+    [Fact]
+    public void Installer_DownloadsArchitectureSpecificDesktopRuntime()
+    {
+        var installer = ReadRepositoryFile("LanMountainDesktop", "installer", "LanMountainDesktop.iss");
+
+        Assert.Contains("https://aka.ms/dotnet/10.0/windowsdesktop-runtime-win-x64.exe", installer);
+        Assert.Contains("https://aka.ms/dotnet/10.0/windowsdesktop-runtime-win-x86.exe", installer);
+        Assert.Contains("/install /quiet /norestart", installer);
+        Assert.Contains("ExitCode <> 3010", installer);
+        Assert.DoesNotContain("IsSelfContainedBuild", installer);
+    }
+
+    private static string ReadRepositoryFile(params string[] pathParts)
+    {
+        var directory = new DirectoryInfo(AppContext.BaseDirectory);
+        while (directory is not null && !File.Exists(Path.Combine(directory.FullName, "LanMountainDesktop.slnx")))
+        {
+            directory = directory.Parent;
+        }
+
+        if (directory is null)
+        {
+            throw new DirectoryNotFoundException("Unable to locate repository root.");
+        }
+
+        return File.ReadAllText(Path.Combine([directory.FullName, .. pathParts]));
+    }
+}