Fixes UI test failures

Corrects failing UI tests by adjusting assertions and adding exception handling.

The fixes improve the stability and reliability of the UI test suite.

Author: Keboo

Directory.packages.props

@@ -30,4 +30,4 @@
     <PackageVersion Include="VirtualizingWrapPanel" Version="1.5.8" />
     <PackageVersion Include="XAMLTest" Version="1.3.0-ci616" />
   </ItemGroup>
-</Project>
+</Project>

tests/MaterialDesignThemes.UITests/WPF/AutoSuggestBoxes/AutoSuggestTextBoxTests.cs

@@ -1,6 +1,7 @@
 using System.ComponentModel;
 using MaterialDesignThemes.UITests.Samples.AutoSuggestBoxes;
 using MaterialDesignThemes.UITests.Samples.AutoSuggestTextBoxes;
+using TUnit.Core.Exceptions;
 namespace MaterialDesignThemes.UITests.WPF.AutoSuggestBoxes;
 
 public class AutoSuggestBoxTests : TestBase
@@ -231,7 +232,14 @@ static async Task AssertViewModelProperty(AutoSuggestBox autoSuggestBox)
 
     private static async Task AssertExists(IVisualElement<ListBox> suggestionListBox, string text, bool existsOrNotCheck = true)
     {
-        _ = await suggestionListBox.GetElement(ElementQuery.PropertyExpression<TextBlock>(x => x.Text, text));
-        await Assert.That(existsOrNotCheck).IsTrue();
+        try
+        {
+            _ = await suggestionListBox.GetElement(ElementQuery.PropertyExpression<TextBlock>(x => x.Text, text));
+            await Assert.That(existsOrNotCheck).IsTrue();
+        }
+        catch (Exception e) when (e is not TUnitException)
+        {
+            await Assert.That(existsOrNotCheck).IsFalse();
+        }
     }
 }

tests/MaterialDesignThemes.UITests/WPF/DatePickers/DatePickerTests.cs

@@ -44,7 +44,7 @@ public async Task OnDatePicker_WithClearButton_ClearsSelectedDate()
 
         DateTime? selectedDate = await datePicker.GetSelectedDate();
 
-        await Assert.That(selectedDate).IsNull();
+        await Assert.That(selectedDate).IsNotNull();
 
         await clearButton.LeftClick();
 

tests/MaterialDesignThemes.UITests/WPF/DialogHosts/DialogHostTests.cs

@@ -9,6 +9,11 @@ namespace MaterialDesignThemes.UITests.WPF.DialogHosts;
 
 public class DialogHostTests : TestBase
 {
+    public DialogHostTests()
+    {
+        AttachedDebuggerToRemoteProcess = false;
+    }
+
     [Test]
     public async Task OnOpenDialog_OverlayCoversContent()
     {
@@ -341,7 +346,7 @@ public async Task DialogHost_WithOpenDialog_ShowsPopupWhenLoaded()
 
         await unloadButton.LeftClick();
 
-        await Wait.For(async () => await Assert.That(await closeButton.GetIsVisible()).IsFalse());
+        await Wait.For(async () => await Assert.That(await closeButton.GetIsVisible()).IsFalse() == false);
 
         await loadButton.LeftClick();
 

tests/MaterialDesignThemes.UITests/WPF/ListBoxes/ListBoxTests.cs

@@ -135,7 +135,7 @@ public async Task OnListBoxAssist_WithShowSelectDisabled_SelectionIsDisabled()
         var earth = await listBox.GetElement<ListBoxItem>("/ListBoxItem[2]");
         await earth.LeftClick();
         var selectedBorder = await earth.GetElement<Border>("SelectedBorder");
-        await Wait.For(async () => await Assert.That(await selectedBorder.GetIsVisible()).IsFalse());
+        await Wait.For(async () => await Assert.That(await selectedBorder.GetIsVisible()).IsFalse() == false);
 
         recorder.Success();
     }

tests/MaterialDesignThemes.UITests/WPF/UpDownControls/DecimalUpDownTests.cs

@@ -33,8 +33,7 @@ public async Task NumericButtons_IncreaseAndDecreaseValue(string culture)
         await Wait.For(async () =>
         {
             await Assert.That(await textBox.GetText()).IsEqualTo(Convert.ToString(1.1, CultureInfo.GetCultureInfo(culture)));
-            await Assert.That(await textBox.GetText()).IsEqualTo("2");
-            await Assert.That(await numericUpDown.GetValue()).IsEqualTo(2);
+            await Assert.That(await numericUpDown.GetValue()).IsEqualTo((decimal)1.1);
         });
 
         await minusButton.LeftClick();
@@ -225,8 +224,8 @@ public async Task LostFocusWhenTextIsInvalid_RevertsToOriginalValue(string input
         await textBox.SendKeyboardInput($"{ModifierKeys.Control}{Key.A}{ModifierKeys.None}{inputText}");
         await button.MoveKeyboardFocus();
 
-        await Assert.That(await textBox.GetText()).IsEqualTo("2.5");
-        await Assert.That(await decimalUpDown.GetValue()).IsEqualTo(2.5m);
+        await Assert.That(await textBox.GetText()).IsEqualTo(expectedValue.ToString());
+        await Assert.That(await decimalUpDown.GetValue()).IsEqualTo(expectedValue);
 
         recorder.Success();
     }

tests/MaterialDesignThemes.UITests/WPF/UpDownControls/NumericUpDownTests.cs

@@ -1,8 +1,5 @@
-using System;
 using System.ComponentModel;
-using System.Windows.Controls;
 using System.Windows.Data;
-using Google.Protobuf.WellKnownTypes;
 using MaterialDesignThemes.UITests.Samples.UpDownControls;