[Settings] Migrate File Explorer Preview Settings (#5785)

* added MSTest project

* migrate file explorer preview settings

* updated test file

* fixed build

src/core/Microsoft.PowerToys.Settings.UI.Lib/ViewModels/PowerPreviewViewModel.cs

@@ -2,12 +2,12 @@
 // 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.Runtime.CompilerServices;
-using Microsoft.PowerToys.Settings.UI.Helpers;
 using Microsoft.PowerToys.Settings.UI.Lib;
-using Microsoft.PowerToys.Settings.UI.Views;
+using Microsoft.PowerToys.Settings.UI.Lib.Helpers;
 
-namespace Microsoft.PowerToys.Settings.UI.ViewModels
+namespace Microsoft.PowerToys.Settings.UI.Lib.ViewModels
 {
     public class PowerPreviewViewModel : Observable
     {
@@ -15,21 +15,31 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
 
         private PowerPreviewSettings Settings { get; set; }
 
-        public PowerPreviewViewModel()
+        private Func<string, int> SendConfigMSG { get; }
+
+        public string SettingsConfigFileFolder = string.Empty;
+
+        public PowerPreviewViewModel(Func<string, int> ipcMSGCallBackFunc, string configFileSubfolder = "")
         {
+            // Update Settings file folder:
+            SettingsConfigFileFolder = configFileSubfolder;
+
             try
             {
-                Settings = SettingsUtils.GetSettings<PowerPreviewSettings>(ModuleName);
+                Settings = SettingsUtils.GetSettings<PowerPreviewSettings>(GetSettingsSubPath());
             }
             catch
             {
                 Settings = new PowerPreviewSettings();
-                SettingsUtils.SaveSettings(Settings.ToJsonString(), ModuleName);
+                SettingsUtils.SaveSettings(Settings.ToJsonString(), GetSettingsSubPath());
             }
 
-            _svgRenderIsEnabled = Settings.Properties.EnableSvgPreview;
-            _svgThumbnailIsEnabled = Settings.Properties.EnableSvgThumbnail;
-            _mdRenderIsEnabled = Settings.Properties.EnableMdPreview;
+            // set the callback functions value to hangle outgoing IPC message.
+            SendConfigMSG = ipcMSGCallBackFunc;
+
+            this._svgRenderIsEnabled = Settings.Properties.EnableSvgPreview;
+            this._svgThumbnailIsEnabled = Settings.Properties.EnableSvgThumbnail;
+            this._mdRenderIsEnabled = Settings.Properties.EnableMdPreview;
         }
 
         private bool _svgRenderIsEnabled = false;
@@ -90,16 +100,21 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
             }
         }
 
+        public string GetSettingsSubPath()
+        {
+            return SettingsConfigFileFolder + "\\" + ModuleName;
+        }
+
         private void RaisePropertyChanged([CallerMemberName] string propertyName = null)
         {
             // Notify UI of property change
             OnPropertyChanged(propertyName);
 
-            if (ShellPage.DefaultSndMSGCallback != null)
+            if (SendConfigMSG != null)
             {
                 SndPowerPreviewSettings snd = new SndPowerPreviewSettings(Settings);
                 SndModuleSettings<SndPowerPreviewSettings> ipcMessage = new SndModuleSettings<SndPowerPreviewSettings>(snd);
-                ShellPage.DefaultSndMSGCallback(ipcMessage.ToJsonString());
+                SendConfigMSG(ipcMessage.ToJsonString());
             }
         }
     }

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

@@ -0,0 +1,105 @@
+// 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 PowerPreview
+    {
+        public const string Module = "Test\\File Explorer";
+
+        [TestInitialize]
+        public void Setup()
+        {
+            // initialize creation of test settings file.
+            GeneralSettings generalSettings = new GeneralSettings();
+            PowerPreviewSettings powerpreview = new PowerPreviewSettings();
+
+            SettingsUtils.SaveSettings(generalSettings.ToJsonString());
+            SettingsUtils.SaveSettings(powerpreview.ToJsonString(), powerpreview.Name);
+        }
+
+        [TestCleanup]
+        public void CleanUp()
+        {
+            // delete folder created.
+            string generalSettings_file_name = string.Empty;
+            if (SettingsUtils.SettingsFolderExists(generalSettings_file_name))
+            {
+                DeleteFolder(generalSettings_file_name);
+            }
+
+            if (SettingsUtils.SettingsFolderExists(Module))
+            {
+                DeleteFolder(Module);
+            }
+        }
+
+        public void DeleteFolder(string powertoy)
+        {
+            Directory.Delete(Path.Combine(SettingsUtils.LocalApplicationDataFolder(), $"Microsoft\\PowerToys\\{powertoy}"), true);
+        }
+
+        [TestMethod]
+        public void SVGRenderIsEnabled_ShouldPrevHandler_WhenSuccessful()
+        {
+            // Assert
+            Func<string, int> SendMockIPCConfigMSG = msg =>
+            {
+                SndModuleSettings<SndPowerPreviewSettings> snd = JsonSerializer.Deserialize<SndModuleSettings<SndPowerPreviewSettings>>(msg);
+                Assert.IsTrue(snd.powertoys.FileExplorerPreviewSettings.Properties.EnableSvgPreview);
+                return 0;
+            };
+
+            // arrange
+            PowerPreviewViewModel viewModel = new PowerPreviewViewModel(SendMockIPCConfigMSG, Module);
+
+            // act
+            viewModel.SVGRenderIsEnabled = true;
+        }
+
+        [TestMethod]
+        public void SVGThumbnailIsEnabled_ShouldPrevHandler_WhenSuccessful()
+        {
+            // Assert
+            Func<string, int> SendMockIPCConfigMSG = msg =>
+            {
+                SndModuleSettings<SndPowerPreviewSettings> snd = JsonSerializer.Deserialize<SndModuleSettings<SndPowerPreviewSettings>>(msg);
+                Assert.IsTrue(snd.powertoys.FileExplorerPreviewSettings.Properties.EnableSvgThumbnail);
+                return 0;
+            };
+
+            // arrange
+            PowerPreviewViewModel viewModel = new PowerPreviewViewModel(SendMockIPCConfigMSG, Module);
+
+            // act
+            viewModel.SVGThumbnailIsEnabled = true;
+        }
+
+        [TestMethod]
+        public void MDRenderIsEnabled_ShouldPrevHandler_WhenSuccessful()
+        {
+            // Assert
+            Func<string, int> SendMockIPCConfigMSG = msg =>
+            {
+                SndModuleSettings<SndPowerPreviewSettings> snd = JsonSerializer.Deserialize<SndModuleSettings<SndPowerPreviewSettings>>(msg);
+                Assert.IsTrue(snd.powertoys.FileExplorerPreviewSettings.Properties.EnableMdPreview);
+                return 0;
+            };
+
+            // arrange
+            PowerPreviewViewModel viewModel = new PowerPreviewViewModel(SendMockIPCConfigMSG, Module);;
+
+            // act
+            viewModel.MDRenderIsEnabled = true;
+        }
+    }
+}

src/core/Microsoft.PowerToys.Settings.UI/Microsoft.PowerToys.Settings.UI.csproj

@@ -1,313 +1,312 @@
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+  <Import Project="$(MSBuildExtensionsPath)\Microsoft\WindowsXaml\v$(VisualStudioVersion)\Microsoft.Windows.UI.Xaml.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
 </Project>

src/core/Microsoft.PowerToys.Settings.UI/Views/PowerPreviewPage.xaml

@@ -76,7 +76,7 @@
                     HorizontalAlignment="Left"
                     Margin="{StaticResource SmallTopBottomMargin}"
                     RelativePanel.Below="DescriptionPanel">
-                <Image Source="ms-appx:///Assets/Modules/PowerPreview.png" />
+                <Image Source="https://aka.ms/powerToysPowerPreviewSettingImage" />
             </Border>
 
             <StackPanel x:Name="LinksPanel"
@@ -86,7 +86,7 @@
                 <HyperlinkButton NavigateUri="https://aka.ms/PowerToysOverview_FileExplorerAddOns">
                     <TextBlock x:Uid="Module_overview" />
                 </HyperlinkButton>
-                <HyperlinkButton NavigateUri="https://aka.ms/powerToysGiveFeedback">
+                <HyperlinkButton NavigateUri="https://github.com/microsoft/PowerToys/issues">
                     <TextBlock x:Uid="Give_Feedback" />
                 </HyperlinkButton>
             </StackPanel>

src/core/Microsoft.PowerToys.Settings.UI/Views/PowerPreviewPage.xaml.cs

@@ -2,7 +2,7 @@
 // The Microsoft Corporation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using Microsoft.PowerToys.Settings.UI.ViewModels;
+using Microsoft.PowerToys.Settings.UI.Lib.ViewModels;
 using Windows.UI.Xaml.Controls;
 
 namespace Microsoft.PowerToys.Settings.UI.Views
@@ -12,13 +12,13 @@ namespace Microsoft.PowerToys.Settings.UI.Views
     /// </summary>
     public sealed partial class PowerPreviewPage : Page
     {
-        public PowerPreviewViewModel ViewModel { get; set; }
+        public PowerPreviewViewModel viewModel { get; set; }
 
         public PowerPreviewPage()
         {
-            InitializeComponent();
-            ViewModel = new PowerPreviewViewModel();
-            PowerPreviewView.DataContext = ViewModel;
+            this.InitializeComponent();
+            viewModel = new PowerPreviewViewModel(ShellPage.SendDefaultIPCMessage);
+            DataContext = viewModel;
         }
     }
 }