[Testing] Add scroll methods to UITest

src/Controls/tests/UITests/Tests/ScrollViewUITests.cs

@@ -74,5 +74,18 @@ public void ScrollToElement3End()
 				Assert.Ignore("This test is failing, likely due to product issue");
 			}
 		}
+
+		[Test]
+		[Description("Scroll down the ScrollView using a gesture")]
+		public void ScrollUpAndDownWithGestures()
+		{
+			this.IgnoreIfPlatforms(new TestDevice[] { TestDevice.Mac, TestDevice.Windows });
+
+			App.ScrollDown("thescroller", ScrollStrategy.Gesture, 0.75);
+			App.Screenshot("Element scrolled down");
+
+			App.ScrollUp("thescroller", ScrollStrategy.Gesture, 0.75);
+			App.Screenshot("Element scrolled up");
+		}
 	}
 }

src/TestUtils/src/UITest.Appium/Actions/AppiumScrollActions.cs

@@ -0,0 +1,215 @@
+using OpenQA.Selenium.Appium;
+using OpenQA.Selenium.Appium.MultiTouch;
+using UITest.Core;
+
+namespace UITest.Appium
+{
+	public enum ScrollStrategy
+	{
+		Auto,
+		Gesture,
+		Programmatically
+	}
+
+	public class AppiumScrollActions : ICommandExecutionGroup
+	{
+		const string ScrollLeftCommand = "scrollLeft";
+		const string ScrollDownCommand = "scrollDown";
+		const string ScrollRightCommand = "scrollRight";
+		const string ScrollUpCommand = "scrollUp";
+
+		readonly AppiumApp _appiumApp;
+
+		readonly List<string> _commands = new()
+		{
+			ScrollLeftCommand,
+			ScrollDownCommand,
+			ScrollRightCommand,
+			ScrollUpCommand,
+		};
+
+		public AppiumScrollActions(AppiumApp appiumApp)
+		{
+			_appiumApp = appiumApp;
+		}
+
+		public bool IsCommandSupported(string commandName)
+		{
+			return _commands.Contains(commandName, StringComparer.OrdinalIgnoreCase);
+		}
+
+		public CommandResponse Execute(string commandName, IDictionary<string, object> parameters)
+		{
+			return commandName switch
+			{
+				ScrollLeftCommand => ScrollLeft(parameters),
+				ScrollDownCommand => ScrollDown(parameters),
+				ScrollRightCommand => ScrollRight(parameters),
+				ScrollUpCommand => ScrollUp(parameters),
+				_ => CommandResponse.FailedEmptyResponse,
+			};
+		}
+
+		CommandResponse ScrollLeft(IDictionary<string, object> parameters)
+		{
+			parameters.TryGetValue("element", out var value);
+			var element = GetAppiumElement(value);
+
+			if (element is null)
+				return CommandResponse.FailedEmptyResponse;
+
+			ScrollStrategy strategy = (ScrollStrategy)parameters["strategy"];
+			double swipePercentage = (double)parameters["swipePercentage"];
+			int swipeSpeed = (int)parameters["swipeSpeed"];
+			bool withInertia = (bool)parameters["withInertia"];
+
+			ScrollToLeft(_appiumApp.Driver, element, strategy, swipePercentage, swipeSpeed, withInertia);
+
+			return CommandResponse.SuccessEmptyResponse;
+		}
+
+		CommandResponse ScrollDown(IDictionary<string, object> parameters)
+		{
+			parameters.TryGetValue("element", out var value);
+			var element = GetAppiumElement(value);
+
+			if (element is null)
+				return CommandResponse.FailedEmptyResponse;
+
+			ScrollStrategy strategy = (ScrollStrategy)parameters["strategy"];
+			double swipePercentage = (double)parameters["swipePercentage"];
+			int swipeSpeed = (int)parameters["swipeSpeed"];
+			bool withInertia = (bool)parameters["withInertia"];
+
+			ScrollToDown(_appiumApp.Driver, element, strategy, swipePercentage, swipeSpeed, withInertia);
+
+			return CommandResponse.SuccessEmptyResponse;
+		}
+
+		CommandResponse ScrollRight(IDictionary<string, object> parameters)
+		{
+			parameters.TryGetValue("element", out var value);
+			var element = GetAppiumElement(value);
+
+			if (element is null)
+				return CommandResponse.FailedEmptyResponse;
+
+			ScrollStrategy strategy = (ScrollStrategy)parameters["strategy"];
+			double swipePercentage = (double)parameters["swipePercentage"];
+			int swipeSpeed = (int)parameters["swipeSpeed"];
+			bool withInertia = (bool)parameters["withInertia"];
+
+			ScrollToRight(_appiumApp.Driver, element, strategy, swipePercentage, swipeSpeed, withInertia);
+
+			return CommandResponse.SuccessEmptyResponse;
+		}
+
+		CommandResponse ScrollUp(IDictionary<string, object> parameters)
+		{
+			parameters.TryGetValue("element", out var value);
+			var element = GetAppiumElement(value);
+
+			if (element is null)
+				return CommandResponse.FailedEmptyResponse;
+
+			ScrollStrategy strategy = (ScrollStrategy)parameters["strategy"];
+			double swipePercentage = (double)parameters["swipePercentage"];
+			int swipeSpeed = (int)parameters["swipeSpeed"];
+			bool withInertia = (bool)parameters["withInertia"];
+
+			ScrollToUp(_appiumApp.Driver, element, strategy, swipePercentage, swipeSpeed, withInertia);
+
+			return CommandResponse.SuccessEmptyResponse;
+		}
+
+		static AppiumElement? GetAppiumElement(object? element)
+		{
+			if (element is AppiumElement appiumElement)
+			{
+				return appiumElement;
+			}
+			else if (element is AppiumDriverElement driverElement)
+			{
+				return driverElement.AppiumElement;
+			}
+
+			return null;
+		}
+
+		static void ScrollToLeft(AppiumDriver driver, AppiumElement element, ScrollStrategy strategy, double swipePercentage, int swipeSpeed, bool withInertia = true)
+		{
+			var position = element.Location;
+			var size = element.Size;
+
+			int startX = (int)(position.X + (size.Width * 0.05));
+			int startY = position.Y + size.Height / 2;
+
+			int endX = (int)(position.X + (size.Width * swipePercentage));
+			int endY = startY;
+
+			new TouchAction(driver)
+				.Press(startX, startY)
+				.Wait(strategy != ScrollStrategy.Programmatically ? swipeSpeed : 0)
+				.MoveTo(endX, endY)
+				.Release()
+				.Perform();
+		}
+
+		static void ScrollToDown(AppiumDriver driver, AppiumElement element, ScrollStrategy strategy, double swipePercentage, int swipeSpeed, bool withInertia = true)
+		{
+			var position = element.Location;
+			var size = element.Size;
+
+			int startX = position.X + size.Width / 2;
+			int startY = (int)(position.Y + (size.Height * swipePercentage));
+
+			int endX = startX;
+			int endY = (int)(position.Y + (size.Height * 0.05));
+
+			new TouchAction(driver)
+				.Press(startX, startY)
+				.Wait(strategy != ScrollStrategy.Programmatically ? swipeSpeed : 0)
+				.MoveTo(endX, endY)
+				.Release()
+				.Perform();
+		}
+
+		static void ScrollToRight(AppiumDriver driver, AppiumElement element, ScrollStrategy strategy, double swipePercentage, int swipeSpeed, bool withInertia = true)
+		{
+			var position = element.Location;
+			var size = element.Size;
+
+			int startX = (int)(position.X + (size.Width * swipePercentage));
+			int startY = position.Y + size.Height / 2;
+
+			int endX = (int)(position.X + (size.Width * 0.05));
+			int endY = startY;
+
+			new TouchAction(driver)
+				.Press(startX, startY)
+				.Wait(strategy != ScrollStrategy.Programmatically ? swipeSpeed : 0)
+				.MoveTo(endX, endY)
+				.Release()
+				.Perform();
+		}
+
+		static void ScrollToUp(AppiumDriver driver, AppiumElement element, ScrollStrategy strategy, double swipePercentage, int swipeSpeed, bool withInertia = true)
+		{
+			var position = element.Location;
+			var size = element.Size;
+
+			int startX = position.X + size.Width / 2;
+			int startY = (int)(position.Y + (size.Height * 0.05));
+
+			int endX = startX;
+			int endY = (int)(position.Y + (size.Height * swipePercentage));
+
+			new TouchAction(driver)
+				.Press(startX, startY)
+				.Wait(strategy != ScrollStrategy.Programmatically ? swipeSpeed : 0)
+				.MoveTo(endX, endY)
+				.Release()
+				.Perform();
+		}
+	}
+}

src/TestUtils/src/UITest.Appium/AppiumApp.cs

@@ -1,4 +1,4 @@
-using OpenQA.Selenium;
+using OpenQA.Selenium;
 using OpenQA.Selenium.Appium;
 using OpenQA.Selenium.Appium.Enums;
 using UITest.Core;
@@ -23,6 +23,7 @@ public AppiumApp(AppiumDriver driver, IConfig config)
 			_commandExecutor.AddCommandGroup(new AppiumVirtualKeyboardActions(this));
 			_commandExecutor.AddCommandGroup(new AppiumSliderActions(this));
 			_commandExecutor.AddCommandGroup(new AppiumSwipeActions(this));
+			_commandExecutor.AddCommandGroup(new AppiumScrollActions(this));
 			_commandExecutor.AddCommandGroup(new AppiumOrientationActions(this));
 		}
 

src/TestUtils/src/UITest.Appium/HelperExtensions.cs

@@ -1,4 +1,4 @@
-using System.Collections.Immutable;
+using System.Collections.Immutable;
 using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Drawing;
@@ -224,7 +224,7 @@ public static void SwipeLeftToRight(this IApp app, string marked, double swipePe
 
 			app.CommandExecutor.Execute("swipeLeftToRight", new Dictionary<string, object>
 			{
-				{ "element", elementToSwipe},
+				{ "element", elementToSwipe},          
 				{ "swipePercentage", swipePercentage },
 				{ "swipeSpeed", swipeSpeed },
 				{ "withInertia", withInertia }
@@ -270,6 +270,99 @@ public static void SwipeRightToLeft(this IApp app, string marked, double swipePe
 			});
 		}
 
+		/// <summary>
+		/// Scrolls left on the first element matching query.
+		/// </summary>
+		/// <param name="app">Represents the main gateway to interact with an app.</param>
+		/// <param name="marked">Marked selector to match.</param>
+		/// <param name="strategy">Strategy for scrolling element.</param>
+		/// <param name="swipePercentage">How far across the element to swipe (from 0.0 to 1.0).</param>
+		/// <param name="swipeSpeed">The speed of the gesture.</param>
+		/// <param name="withInertia">Whether swipes should cause inertia.</param>
+		public static void ScrollLeft(this IApp app, string marked, ScrollStrategy strategy = ScrollStrategy.Auto, double swipePercentage = 0.67, int swipeSpeed = 500, bool withInertia = true)
+		{
+			var elementToSwipe = app.FindElement(marked);
+
+			app.CommandExecutor.Execute("scrollLeft", new Dictionary<string, object>
+			{
+				{ "element", elementToSwipe},
+				{ "strategy", strategy },
+				{ "swipePercentage", swipePercentage },
+				{ "swipeSpeed", swipeSpeed },
+				{ "withInertia", withInertia }
+			});
+		}
+
+		/// <summary>
+		/// Scrolls down on the first element matching query.
+		/// </summary>
+		/// <param name="app">Represents the main gateway to interact with an app.</param>
+		/// <param name="marked">Marked selector to match.</param>
+		/// <param name="strategy">Strategy for scrolling element.</param>
+		/// <param name="swipePercentage">How far across the element to swipe (from 0.0 to 1.0).</param>
+		/// <param name="swipeSpeed">The speed of the gesture.</param>
+		/// <param name="withInertia">Whether swipes should cause inertia.</param>
+		public static void ScrollDown(this IApp app, string marked, ScrollStrategy strategy = ScrollStrategy.Auto, double swipePercentage = 0.67, int swipeSpeed = 500, bool withInertia = true)
+		{
+			var elementToSwipe = app.FindElement(marked);
+
+			app.CommandExecutor.Execute("scrollDown", new Dictionary<string, object>
+			{
+				{ "element", elementToSwipe},
+				{ "strategy", strategy },
+				{ "swipePercentage", swipePercentage },
+				{ "swipeSpeed", swipeSpeed },
+				{ "withInertia", withInertia }
+			});
+		}
+
+		/// <summary>
+		/// Scrolls right on the first element matching query.
+		/// </summary>
+		/// <param name="app">Represents the main gateway to interact with an app.</param>
+		/// <param name="marked">Marked selector to match.</param>
+		/// <param name="strategy">Strategy for scrolling element.</param>
+		/// <param name="swipePercentage">How far across the element to swipe (from 0.0 to 1.0).</param>
+		/// <param name="swipeSpeed">The speed of the gesture.</param>
+		/// <param name="withInertia">Whether swipes should cause inertia.</param>
+		public static void ScrollRight(this IApp app, string marked, ScrollStrategy strategy = ScrollStrategy.Auto, double swipePercentage = 0.67, int swipeSpeed = 500, bool withInertia = true)
+		{
+			var elementToSwipe = app.FindElement(marked);
+
+			app.CommandExecutor.Execute("scrollRight", new Dictionary<string, object>
+			{
+				{ "element", elementToSwipe},
+				{ "strategy", strategy },
+				{ "swipePercentage", swipePercentage },
+				{ "swipeSpeed", swipeSpeed },
+				{ "withInertia", withInertia }
+			});
+		}
+
+		/// <summary>
+		/// Scrolls up on the first element matching query.
+		/// </summary>
+		/// <param name="app">Represents the main gateway to interact with an app.</param>
+		/// <param name="marked">Marked selector to match.</param>
+		/// <param name="strategy">Strategy for scrolling element.</param>
+		/// <param name="swipePercentage">How far across the element to swipe (from 0.0 to 1.0).</param>
+		/// <param name="swipeSpeed">The speed of the gesture.</param>
+		/// <param name="withInertia">Whether swipes should cause inertia.</param>
+		public static void ScrollUp(this IApp app, string marked, ScrollStrategy strategy = ScrollStrategy.Auto, double swipePercentage = 0.67, int swipeSpeed = 500, bool withInertia = true)
+		{
+			var elementToSwipe = app.FindElement(marked);
+
+			app.CommandExecutor.Execute("scrollUp", new Dictionary<string, object>
+			{
+				{ "element", elementToSwipe},
+				{ "strategy", strategy },
+				{ "swipePercentage", swipePercentage },
+				{ "swipeSpeed", swipeSpeed },
+				{ "withInertia", withInertia }
+			});
+		}
+
+		/// <summary>
 		/// Changes the device orientation to landscape mode.
 		/// </summary>
 		/// <param name="app">Represents the main gateway to interact with an app.</param>
@@ -392,4 +485,4 @@ public static void SetSliderValue(this IApp app, string marked, double value, do
 			Wait(query, i => i == null, timeoutMessage, timeout, retryFrequency);
 		}
 	}
-}
+}