Fix not finding NSWindow in headless scenario

dotnet · Sep 7, 2023 · 7bb24b4 · 7bb24b4
1 parent 7ecc7eb
commit 7bb24b4
Show file tree

Hide file tree

Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/src/TestUtils/src/DeviceTests.Runners/HeadlessRunner/iOS/MauiTestApplicationDelegate.cs b/src/TestUtils/src/DeviceTests.Runners/HeadlessRunner/iOS/MauiTestApplicationDelegate.cs
@@ -44,6 +44,9 @@ static MauiTestApplicationDelegate()
 			{
 				EnvVars[envvar] = Environment.GetEnvironmentVariable(envvar);
 			}
+
+			// Add entry to indicate we're running headless
+			EnvVars.Add("headlessrunner", "true");
 		}
 
 		static void SetEnvironmentVariables()

diff --git a/src/TestUtils/src/DeviceTests/AssertionExtensions.iOS.cs b/src/TestUtils/src/DeviceTests/AssertionExtensions.iOS.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Drawing;
+using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using CoreAnimation;
@@ -582,6 +583,15 @@ public static void AssertEqual(this CATransform3D expected, CATransform3D actual
 					{
 						foreach (var window in windowScene.Windows)
 						{
+#if MACCATALYST
+							// When running headless (on CI or local) Mac Catalyst has trouble finding the window through the method below.
+							// Added an env variable to accommodate for this and just return the first window found.
+							File.AppendAllText("/Users/jfversluis/Desktop/foo.txt", "foo");
+							if (!string.IsNullOrEmpty(Environment.GetEnvironmentVariable("headlessrunner")))
+							{	
+								return window;
+							}
+#endif
 							if (window.IsKeyWindow)
 							{
 								return window;