Add PlatformUno Frontend.

FrontendPlaformUno/FrontendPlaformUno.UITests/Constants.cs

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+namespace FrontendPlaformUno.UITests;
+
+public class Constants
+{
+    public readonly static string WebAssemblyDefaultUri = "http://localhost:5000/";
+    public readonly static string iOSAppName = "es.brentj.FrontendPlaformUno";
+    public readonly static string AndroidAppName = "es.brentj.FrontendPlaformUno";
+    public readonly static string iOSDeviceNameOrId = "iPad Pro (12.9-inch) (3rd generation)";
+
+    public readonly static Platform CurrentPlatform = Platform.Browser;
+    public readonly static Browser WebAssemblyBrowser = Browser.Chrome;
+}

FrontendPlaformUno/FrontendPlaformUno.UITests/FrontendPlaformUno.UITests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="FluentAssertions" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" />
+    <PackageReference Include="Newtonsoft.Json" />
+    <PackageReference Include="NUnit" />
+    <PackageReference Include="NUnit3TestAdapter" />
+    <PackageReference Include="Uno.UITest.Helpers" />
+    <PackageReference Include="Xamarin.UITest" />
+  </ItemGroup>
+</Project>

FrontendPlaformUno/FrontendPlaformUno.UITests/Given_MainPage.cs

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+namespace FrontendPlaformUno.UITests;
+
+public class Given_MainPage : TestBase
+{
+    [Test]
+    public async Task When_SmokeTest()
+    {
+        // NOTICE
+        // To run UITests, Run the WASM target without debugger. Note
+        // the port that is being used and update the Constants.cs file
+        // in the UITests project with the correct port number.
+
+        // Add delay to allow for the splash screen to disappear
+        await Task.Delay(5000);
+
+
+        // Query for the SecondPageButton and then tap it
+        Query xamlButton = q => q.All().Marked("SecondPageButton");
+        App.WaitForElement(xamlButton);
+        App.Tap(xamlButton);
+
+        // Take a screenshot and add it to the test results
+        TakeScreenshot("After tapped");
+    }
+}

FrontendPlaformUno/FrontendPlaformUno.UITests/GlobalUsings.cs

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+global using NUnit.Framework;
+global using Uno.UITest;
+global using Uno.UITest.Helpers.Queries;
+global using Uno.UITests.Helpers;
+global using Query = System.Func<Uno.UITest.IAppQuery, Uno.UITest.IAppQuery>;

FrontendPlaformUno/FrontendPlaformUno.UITests/TestBase.cs

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+
+namespace FrontendPlaformUno.UITests;
+
+public class TestBase
+{
+    private IApp? _app;
+
+    static TestBase()
+    {
+        AppInitializer.TestEnvironment.AndroidAppName = Constants.AndroidAppName;
+        AppInitializer.TestEnvironment.WebAssemblyDefaultUri = Constants.WebAssemblyDefaultUri;
+        AppInitializer.TestEnvironment.iOSAppName = Constants.iOSAppName;
+        AppInitializer.TestEnvironment.AndroidAppName = Constants.AndroidAppName;
+        AppInitializer.TestEnvironment.iOSDeviceNameOrId = Constants.iOSDeviceNameOrId;
+        AppInitializer.TestEnvironment.CurrentPlatform = Constants.CurrentPlatform;
+        AppInitializer.TestEnvironment.WebAssemblyBrowser = Constants.WebAssemblyBrowser;
+
+#if DEBUG
+        AppInitializer.TestEnvironment.WebAssemblyHeadless = false;
+#endif
+
+        // Start the app only once, so the tests runs don't restart it
+        // and gain some time for the tests.
+        AppInitializer.ColdStartApp();
+    }
+
+    protected IApp App
+    {
+        get => _app!;
+        private set
+        {
+            _app = value;
+            Uno.UITest.Helpers.Queries.Helpers.App = value;
+        }
+    }
+
+    [SetUp]
+    public void SetUpTest()
+    {
+        App = AppInitializer.AttachToApp();
+    }
+
+    [TearDown]
+    public void TearDownTest()
+    {
+        TakeScreenshot("teardown");
+    }
+
+    public FileInfo TakeScreenshot(string stepName)
+    {
+        var title = $"{TestContext.CurrentContext.Test.Name}_{stepName}"
+            .Replace(" ", "_")
+            .Replace(".", "_");
+
+        var fileInfo = App.Screenshot(title);
+
+        var fileNameWithoutExt = Path.GetFileNameWithoutExtension(fileInfo.Name);
+        if (fileNameWithoutExt != title && fileInfo.DirectoryName != null)
+        {
+            var destFileName = Path
+                .Combine(fileInfo.DirectoryName, title + Path.GetExtension(fileInfo.Name));
+
+            if (File.Exists(destFileName))
+            {
+                File.Delete(destFileName);
+            }
+
+            File.Move(fileInfo.FullName, destFileName);
+
+            TestContext.AddTestAttachment(destFileName, stepName);
+
+            fileInfo = new FileInfo(destFileName);
+        }
+        else
+        {
+            TestContext.AddTestAttachment(fileInfo.FullName, stepName);
+        }
+
+        return fileInfo;
+    }
+
+}