feat.airapp与融合桌面

LanMountainDesktop.Tests/WindowLayerIsolationTests.cs

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+using Xunit;
+
+namespace LanMountainDesktop.Tests;
+
+public sealed class WindowLayerIsolationTests
+{
+    [Fact]
+    public void AirAppWindow_DoesNotUseDesktopBottomMostOrTopmostPromotion()
+    {
+        var source = ReadRepositoryFile("LanMountainDesktop.AirAppHost", "AirAppWindow.axaml.cs");
+
+        Assert.DoesNotContain("WindowBottomMostServiceFactory", source);
+        Assert.DoesNotContain("IWindowBottomMostService", source);
+        Assert.DoesNotContain("SendToBottom", source);
+        Assert.DoesNotContain("Topmost = true", source);
+        Assert.DoesNotContain("Topmost=true", source);
+    }
+
+    [Fact]
+    public void AirAppWindowDescriptor_DefinesSupportedChromeModes()
+    {
+        var source = ReadRepositoryFile("LanMountainDesktop.AirAppHost", "AirAppWindowDescriptor.cs");
+
+        Assert.Contains("AirAppWindowChromeMode", source);
+        Assert.Contains("Standard", source);
+        Assert.Contains("Borderless", source);
+        Assert.Contains("FullScreen", source);
+        Assert.Contains("Tool", source);
+        Assert.Contains("BackgroundOnly", source);
+    }
+
+    [Fact]
+    public void AirAppWindowDescriptor_MapsBuiltInAppsToExpectedChromeModes()
+    {
+        var source = ReadRepositoryFile("LanMountainDesktop.AirAppHost", "AirAppWindowDescriptor.cs");
+
+        Assert.Contains("AirAppLaunchOptions.WorldClockAppId", source);
+        Assert.Contains("AirAppWindowChromeMode.Standard", source);
+        Assert.Contains("AirAppLaunchOptions.WhiteboardAppId", source);
+        Assert.Contains("AirAppWindowChromeMode.FullScreen", source);
+    }
+
+    [Fact]
+    public void FusedDesktopWindows_KeepDesktopBottomMostBoundary()
+    {
+        var desktopWidgetWindow = ReadRepositoryFile("LanMountainDesktop", "Views", "DesktopWidgetWindow.axaml.cs");
+        var transparentOverlayWindow = ReadRepositoryFile("LanMountainDesktop", "Views", "TransparentOverlayWindow.axaml.cs");
+
+        Assert.Contains("WindowBottomMostServiceFactory.GetOrCreate()", desktopWidgetWindow);
+        Assert.Contains("RefreshDesktopLayer", desktopWidgetWindow);
+        Assert.Contains("SendToBottom", desktopWidgetWindow);
+
+        Assert.Contains("WindowBottomMostServiceFactory.GetOrCreate()", transparentOverlayWindow);
+        Assert.Contains("RefreshDesktopLayer", transparentOverlayWindow);
+        Assert.Contains("SendToBottom", transparentOverlayWindow);
+    }
+
+    [Fact]
+    public void FusedDesktopManager_RefreshesDesktopLayerAfterShowingWidgets()
+    {
+        var source = ReadRepositoryFile("LanMountainDesktop", "Services", "FusedDesktopManagerService.cs");
+
+        Assert.Contains("existingWindow.RefreshDesktopLayer()", source);
+        Assert.Contains("window.RefreshDesktopLayer()", source);
+    }
+
+    private static string ReadRepositoryFile(params string[] segments)
+    {
+        var directory = new DirectoryInfo(AppContext.BaseDirectory);
+        while (directory is not null)
+        {
+            var candidate = Path.Combine(new[] { directory.FullName }.Concat(segments).ToArray());
+            if (File.Exists(candidate))
+            {
+                return File.ReadAllText(candidate);
+            }
+
+            if (File.Exists(Path.Combine(directory.FullName, "LanMountainDesktop.slnx")))
+            {
+                break;
+            }
+
+            directory = directory.Parent;
+        }
+
+        throw new FileNotFoundException($"Could not locate repository file '{Path.Combine(segments)}'.");
+    }
+}