test(ComboBox): added tests for PlaceholderText

unoplatform · Aug 25, 2020 · bbe5e47 · bbe5e47
1 parent c4c1109
commit bbe5e47
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Showing 3 changed files with 92 additions and 8 deletions.
diff --git a/...mplesApp.UITests/Windows_UI_Xaml_Controls/ComboBoxTests/UnoSamples_Tests.ComboBoxTests.cs b/...mplesApp.UITests/Windows_UI_Xaml_Controls/ComboBoxTests/UnoSamples_Tests.ComboBoxTests.cs
@@ -214,5 +214,67 @@ public void ComboBoxTests_ToggleDisabled()
 
 			TakeScreenshot("ComboBox Disabled");
 		}
+
+		[Test]
+		[AutoRetry]
+		[ActivePlatforms(Platform.Android)]
+		public void ComboBoxTests_PlaceholderText() => ComboBoxTests_PlaceholderText_Impl("TestBox", 4, combo =>
+		{
+			var implicitTextBlock = combo.Descendant().Marked("ContentPresenter").Child;
+			var text = implicitTextBlock.GetDependencyPropertyValue<string>("Text");
+
+			Assert.AreEqual("5", text, "item #4 (text: 5) should be now selected");
+		});
+
+		[Test]
+		[AutoRetry]
+		[ActivePlatforms(Platform.Android)]
+		public void ComboBoxTests_PlaceholderText_With_ItemTemplate() => ComboBoxTests_PlaceholderText_Impl("TestBox2", 4, combo =>
+		{
+			var descendants = combo.Descendant().Marked("ContentPresenter").Descendant();
+			//<StackPanel Orientation="Horizontal"><!-- templateRoot -->
+			//	<Rectangle ... />
+			//	<TextBlock Text="Item:" />
+			//	<TextBlock Text="{Binding}" />
+			//</StackPanel>
+			var offset = 2; // skipping the ContentPresenter#0 and the StackPanel#1
+			var text1 = descendants.AtIndex(offset + 1).GetDependencyPropertyValue<string>("Text");
+			var text2 = descendants.AtIndex(offset + 2).GetDependencyPropertyValue<string>("Text");
+
+			Assert.AreEqual("Item:", text1, "item #4 should be now selected with ItemTemplate");
+			Assert.AreEqual("5", text2, "item #4 (value: 5) should be now selected with ItemTemplate");
+		});
+
+		public void ComboBoxTests_PlaceholderText_Impl(string targetName, int selectionIndex, Action<QueryEx> selectionValidation)
+		{
+			Run("SamplesApp.Wasm.Windows_UI_Xaml_Controls.ComboBox.ComboBox_PlaceholderText");
+			_app.WaitForElement("sampleControl");
+
+			var testComboBox = _app.Marked(targetName);
+			var resetButton = _app.Marked("ResetButton");
+
+			// check initial value
+			var placeholderTextBlock = testComboBox.Descendant().Marked("PlaceholderTextBlock");
+			var expectedPlaceholderText = testComboBox.GetDependencyPropertyValue<string>("PlaceholderText");
+			var actualPlaceholderText = placeholderTextBlock.GetDependencyPropertyValue<string>("Text");
+			Assert.AreEqual(expectedPlaceholderText, actualPlaceholderText, "PlaceholderText should be shown prior to selection");
+
+			// open combobox flyout
+			testComboBox.FastTap();
+			var popupBorder = _app.Marked("PopupBorder");
+			_app.WaitForElement(popupBorder);
+
+			// select item at {selectionIndex}
+			var item5 = popupBorder.Descendant().WithClass("ComboBoxItem").AtIndex(selectionIndex);
+			item5.FastTap();
+			_app.WaitForDependencyPropertyValue<int>(testComboBox, "SelectedIndex", selectionIndex);
+			selectionValidation(testComboBox);
+
+			// clear selection
+			resetButton.FastTap();
+			_app.WaitForDependencyPropertyValue<int>(testComboBox, "SelectedIndex", -1);
+			actualPlaceholderText = placeholderTextBlock.GetDependencyPropertyValue<string>("Text");
+			Assert.AreEqual(expectedPlaceholderText, actualPlaceholderText, "PlaceholderText should be shown again when the selection is cleared");
+		}
 	}
 }
diff --git a/...SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/ComboBox/ComboBox_PlaceholderText.xaml b/...SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/ComboBox/ComboBox_PlaceholderText.xaml
@@ -10,14 +10,29 @@
 			 d:DesignHeight="300"
 			 d:DesignWidth="400">
 
-	<controls:SampleControl SampleDescription="ComboBox with PlaceholderText">
-		<controls:SampleControl.SampleContent>
-			<DataTemplate>
+	<StackPanel>
+		<ComboBox x:Name="TestBox"
+				  PlaceholderText="PlaceholderText"
+				  ItemsSource="{Binding [SampleItems]}" />
+		<ComboBox x:Name="TestBox2"
+				  PlaceholderText="PlaceholderText + ItemTemplate"
+				  ItemsSource="{Binding [SampleItems]}">
+			<ComboBox.ItemTemplate>
+				<DataTemplate>
+					<StackPanel Orientation="Horizontal">
+						<Rectangle Height="12"
+								   Width="12"
+								   Fill="Pink" />
+						<TextBlock Text="Item:" />
+						<TextBlock Text="{Binding}" />
+					</StackPanel>
+				</DataTemplate>
+			</ComboBox.ItemTemplate>
+		</ComboBox>
 
-				<ComboBox PlaceholderText="PlaceholderText"
-						  ItemsSource="{Binding [SampleItems]}" />
+		<Button x:Name="ResetButton"
+				Content="Reset Selection"
+				Click="ResetSelection" />
+	</StackPanel>
 
-			</DataTemplate>
-		</controls:SampleControl.SampleContent>
-	</controls:SampleControl>
 </UserControl>
diff --git a/...plesApp/UITests.Shared/Windows_UI_Xaml_Controls/ComboBox/ComboBox_PlaceholderText.xaml.cs b/...plesApp/UITests.Shared/Windows_UI_Xaml_Controls/ComboBox/ComboBox_PlaceholderText.xaml.cs
@@ -1,6 +1,7 @@
 using Windows.UI.Xaml.Controls;
 using SamplesApp.Windows_UI_Xaml_Controls.Models;
 using Uno.UI.Samples.Controls;
+using Windows.UI.Xaml;
 
 namespace SamplesApp.Wasm.Windows_UI_Xaml_Controls.ComboBox
 {
@@ -11,5 +12,11 @@ public ComboBox_PlaceholderText()
 		{
 			this.InitializeComponent();
 		}
+
+		void ResetSelection(object sender, RoutedEventArgs e)
+		{
+			TestBox.SelectedItem = null;
+			TestBox2.SelectedItem = null;
+		}
 	}
 }