[Settings] Migrate Shortcut Guide Settings Tests (#5789)

* added MSTest project

* migrated shortcut guide tests

* updated tests

* updated tests

* reverted changes to xaml file

src/core/Microsoft.PowerToys.Settings.UI.UnitTests/ViewModelTests/ShortcutGuide.cs

@@ -0,0 +1,136 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.IO;
+using System.Text.Json;
+using Microsoft.PowerToys.Settings.UI.Lib;
+using Microsoft.PowerToys.Settings.UI.Lib.ViewModels;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace ViewModelTests
+{
+    [TestClass]
+    public class ShortcutGuide
+    {
+        public const string ShortCutGuideTestFolderName = "Test\\ShortCutGuide";
+
+        [TestInitialize]
+        public void Setup()
+        {
+            // initialize creation of test settings file.
+            // Test base path:
+            // C:\Users\<user name>\AppData\Local\Packages\08e1807b-8b6d-4bfa-adc4-79c64aae8e78_9abkseg265h2m\LocalState\Microsoft\PowerToys\
+            GeneralSettings generalSettings = new GeneralSettings();
+            ShortcutGuideSettings shortcutGuide = new ShortcutGuideSettings();
+
+            SettingsUtils.SaveSettings(generalSettings.ToJsonString());
+            SettingsUtils.SaveSettings(shortcutGuide.ToJsonString(), ShortCutGuideTestFolderName);
+        }
+
+        [TestCleanup]
+        public void CleanUp()
+        {
+            // delete folder created.
+            // delete general settings folder.
+            string ShortCutGuideTestFolderName = string.Empty;
+            if (SettingsUtils.SettingsFolderExists(string.Empty))
+            {
+                DeleteFolder(string.Empty);
+            }
+
+            // delete power rename folder.
+            if (SettingsUtils.SettingsFolderExists(ShortCutGuideTestFolderName))
+            {
+                DeleteFolder(ShortCutGuideTestFolderName);
+            }
+        }
+
+        public void DeleteFolder(string powertoy)
+        {
+            Directory.Delete(Path.Combine(SettingsUtils.LocalApplicationDataFolder(), $"Microsoft\\PowerToys\\{powertoy}"), true);
+        }
+
+        [TestMethod]
+        public void IsEnabled_ShouldEnableModule_WhenSuccessful()
+        {
+            // Assert
+            // Initialize mock function of sending IPC message.
+            Func<string, int> SendMockIPCConfigMSG = msg =>
+            {
+                OutGoingGeneralSettings snd = JsonSerializer.Deserialize<OutGoingGeneralSettings>(msg);
+                Assert.IsTrue(snd.GeneralSettings.Enabled.ShortcutGuide);
+                return 0;
+            };
+
+            // Arrange
+            ShortcutGuideViewModel viewModel = new ShortcutGuideViewModel(SendMockIPCConfigMSG, ShortCutGuideTestFolderName);
+
+            // Act
+            viewModel.IsEnabled = true;
+        }
+
+        [TestMethod]
+        public void ThemeIndex_ShouldSetThemeToDark_WhenSuccessful()
+        {
+            // Assert
+            // Initialize mock function of sending IPC message.
+            Func<string, int> SendMockIPCConfigMSG = msg =>
+            {
+                ShortcutGuideSettingsIPCMessage snd = JsonSerializer.Deserialize<ShortcutGuideSettingsIPCMessage>(msg);
+                Assert.AreEqual("dark", snd.Powertoys.ShortcutGuide.Properties.Theme.Value);
+                return 0;
+            };
+
+            // Arrange
+            ShortcutGuideViewModel viewModel = new ShortcutGuideViewModel(SendMockIPCConfigMSG, ShortCutGuideTestFolderName);
+            Assert.AreEqual(1, viewModel.ThemeIndex);
+
+            // Act
+            viewModel.ThemeIndex = 0;
+        }
+
+        [TestMethod]
+        public void PressTime_ShouldSetPressTimeToOneHundred_WhenSuccessful()
+        {
+            // Assert
+            // Initialize mock function of sending IPC message.
+            Func<string, int> SendMockIPCConfigMSG = msg =>
+            {
+                ShortcutGuideSettingsIPCMessage snd = JsonSerializer.Deserialize<ShortcutGuideSettingsIPCMessage>(msg);
+                Assert.AreEqual(100, snd.Powertoys.ShortcutGuide.Properties.PressTime.Value);
+                return 0;
+            };
+
+            // Arrange
+            ShortcutGuideViewModel viewModel = new ShortcutGuideViewModel(SendMockIPCConfigMSG, ShortCutGuideTestFolderName);
+            Assert.AreEqual(900, viewModel.PressTime);
+
+            // Act
+            viewModel.PressTime = 100;
+        }
+
+        [TestMethod]
+        public void OverlayOpacity_ShouldSeOverlayOpacityToOneHundred_WhenSuccessful()
+        {
+            // Assert
+            // Initialize mock function of sending IPC message.
+            Func<string, int> SendMockIPCConfigMSG = msg =>
+            {
+                ShortcutGuideSettingsIPCMessage snd = JsonSerializer.Deserialize<ShortcutGuideSettingsIPCMessage>(msg);
+
+                // Serialisation not working as expected in the test project:
+                Assert.AreEqual(100, snd.Powertoys.ShortcutGuide.Properties.OverlayOpacity.Value);
+                return 0;
+            };
+
+            // Arrange
+            ShortcutGuideViewModel viewModel = new ShortcutGuideViewModel(SendMockIPCConfigMSG, ShortCutGuideTestFolderName);
+            Assert.AreEqual(90, viewModel.OverlayOpacity);
+
+            // Act
+            viewModel.OverlayOpacity = 100;
+        }
+    }
+}