From a0bd3bbb7c6b3991cab230c483d28359c5538960 Mon Sep 17 00:00:00 2001
From: Israel Soto <issoto@microsoft.com>
Date: Thu, 8 Sep 2022 16:08:59 -0500
Subject: [PATCH] [DeviceDiscoveryUI] Added Unit tests

---
 .../DDDevicePickerViewControllerTest.cs       | 86 +++++++++++++++++++
 tests/monotouch-test/Info.plist               | 17 ++++
 2 files changed, 103 insertions(+)
 create mode 100644 tests/monotouch-test/DeviceDiscoveryUI/DDDevicePickerViewControllerTest.cs

diff --git a/tests/monotouch-test/DeviceDiscoveryUI/DDDevicePickerViewControllerTest.cs b/tests/monotouch-test/DeviceDiscoveryUI/DDDevicePickerViewControllerTest.cs
new file mode 100644
index 000000000000..d1307e9dca13
--- /dev/null
+++ b/tests/monotouch-test/DeviceDiscoveryUI/DDDevicePickerViewControllerTest.cs
@@ -0,0 +1,86 @@
+//
+// Unit tests for DDDevicePickerViewController
+//
+// Authors:
+//	Israel Soto <issoto@microsoft.com>
+//
+// Copyright 2022 Microsoft Corporation.
+//
+
+#if __TVOS__
+
+using System;
+using Foundation;
+using CoreGraphics;
+using EventKit;
+using ObjCRuntime;
+using NUnit.Framework;
+using Xamarin.Utils;
+
+namespace MonoTouchFixtures.DeviceDiscoveryUI {
+	
+	[TestFixture]
+	[Preserve (AllMembers = true)]
+	public class DDDevicePickerViewControllerTest {
+		
+		const string serviceName = "MyAppService";
+
+		[OneTimeSetUp]
+		public void Init () => TestRuntime.AssertXcodeVersion (14, 0);
+
+		[Test]
+		public void IsSupportedTest ()
+		{
+			var browserDescriptor = NWBrowserDescriptor.CreateApplicationServiceName (serviceName);
+			var parameters = NWParameters.CreateApplicationService ();
+			var isSupported = DDDevicePickerViewController.IsSupported (browserDescriptor, parameters);
+			
+			// DDDevicePickerViewController seems to work only for devices
+			if (TestRuntime.IsSimulator)
+				Assert.IsFalse (isSupported, "IsSupported");
+			else
+				Assert.IsTrue (isSupported, "IsSupported");
+		}
+
+		[Test]
+		public void InitWithBrowseDescriptorAndParametersTest ()
+		{
+			// DDDevicePickerViewController seems to work only for devices
+			TestRuntime.AssertNotSimulator ();
+
+			var browserDescriptor = NWBrowserDescriptor.CreateApplicationServiceName (serviceName);
+			var parameters = NWParameters.CreateApplicationService ();
+			var isSupported = DDDevicePickerViewController.IsSupported (browserDescriptor, parameters);
+			
+			// If this fails, please, double check that MyAppService is registered within the Info.plist
+			// https://developer.apple.com/documentation/bundleresources/information_property_list/nsapplicationservices
+			Assert.IsTrue (isSupported, $"The {serviceName} key might not be registered in the Info.plist.");
+
+			Assert.DoesNotThrow (() => { var devicePicker = new DDDevicePickerViewController (browserDescriptor, parameters); },
+				"InitWithBrowseDescriptorAndParameters");
+		}
+
+		[Test]
+		public void SetDevicePickerTest ()
+		{
+			// DDDevicePickerViewController seems to work only for devices
+			TestRuntime.AssertNotSimulator ();
+
+			var browserDescriptor = NWBrowserDescriptor.CreateApplicationServiceName (serviceName);
+			var parameters = NWParameters.CreateApplicationService ();
+			var isSupported = DDDevicePickerViewController.IsSupported (browserDescriptor, parameters);
+			
+			// If this fails, please, double check that MyAppService is registered within the Info.plist
+			// https://developer.apple.com/documentation/bundleresources/information_property_list/nsapplicationservices
+			Assert.IsTrue (isSupported, $"The {serviceName} key might not be registered in the Info.plist.");
+			
+			Assert.DoesNotThrow (() => {
+				var devicePicker = new DDDevicePickerViewController (browserDescriptor, parameters);
+				devicePicker.SetDevicePicker ((endpoint, error) => { });
+			},
+			"SetDevicePicker");
+		}
+	}
+}
+
+#endif // __TVOS__
diff --git a/tests/monotouch-test/Info.plist b/tests/monotouch-test/Info.plist
index 10d4a54ba822..b17fc1fafbbc 100644
--- a/tests/monotouch-test/Info.plist
+++ b/tests/monotouch-test/Info.plist
@@ -62,5 +62,22 @@
 	<array>
 		<string>processing</string>
 	</array>
+	<key>NSApplicationServices</key>
+	<dict>
+		<key>Browses</key>
+		<array>
+			<dict>
+				<key>NSApplicationServiceIdentifier</key>
+				<string>MyAppService</string>
+				<key>NSApplicationServicePlatformSupport</key>
+				<array>
+					<string>iPadOS</string>
+					<string>iOS</string>
+				</array>
+				<key>NSApplicationServiceUsageDescription</key>
+				<string>You can control this app using an iOS device.</string>
+			</dict>
+		</array>
+	</dict>
 </dict>
 </plist>