[CmdPal][UnitTest] Refactor system command unit test (#40874)

<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request
Ok... The AI generated and migrated ut's quality is very poor. We need
to refactor it.

<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist

- [x] Closes: #40875
- [x] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [x] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed

---------

Co-authored-by: Yu Leng (from Dev Box) <yuleng@microsoft.com>

PowerToys.sln

@@ -784,6 +784,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.CmdPal.Ext.TimeDa
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.CmdPal.Ext.WindowWalker.UnitTests", "src\modules\cmdpal\Tests\Microsoft.CmdPal.Ext.WindowWalker.UnitTests\Microsoft.CmdPal.Ext.WindowWalker.UnitTests.csproj", "{E816D7B0-4688-4ECB-97CC-3D8E798F3829}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.CmdPal.Ext.UnitTestBase", "src\modules\cmdpal\Tests\Microsoft.CmdPal.Ext.UnitTestsBase\Microsoft.CmdPal.Ext.UnitTestBase.csproj", "{00D8659C-2068-40B6-8B86-759CD6284BBB}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|ARM64 = Debug|ARM64
@@ -2830,6 +2832,14 @@ Global
 		{E816D7B0-4688-4ECB-97CC-3D8E798F3829}.Release|ARM64.Build.0 = Release|ARM64
 		{E816D7B0-4688-4ECB-97CC-3D8E798F3829}.Release|x64.ActiveCfg = Release|x64
 		{E816D7B0-4688-4ECB-97CC-3D8E798F3829}.Release|x64.Build.0 = Release|x64
+		{00D8659C-2068-40B6-8B86-759CD6284BBB}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{00D8659C-2068-40B6-8B86-759CD6284BBB}.Debug|ARM64.Build.0 = Debug|ARM64
+		{00D8659C-2068-40B6-8B86-759CD6284BBB}.Debug|x64.ActiveCfg = Debug|x64
+		{00D8659C-2068-40B6-8B86-759CD6284BBB}.Debug|x64.Build.0 = Debug|x64
+		{00D8659C-2068-40B6-8B86-759CD6284BBB}.Release|ARM64.ActiveCfg = Release|ARM64
+		{00D8659C-2068-40B6-8B86-759CD6284BBB}.Release|ARM64.Build.0 = Release|ARM64
+		{00D8659C-2068-40B6-8B86-759CD6284BBB}.Release|x64.ActiveCfg = Release|x64
+		{00D8659C-2068-40B6-8B86-759CD6284BBB}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -3117,11 +3127,6 @@ Global
 		{D9BD324E-1D80-44AA-8E7B-73EB00944434} = {38BDB927-829B-4C65-9CD9-93FB05D66D65}
 		{8EF25507-2575-4ADE-BF7E-D23376903AB8} = {3846508C-77EB-4034-A702-F8BB263C4F79}
 		{070AC093-C9F2-20AD-0BCD-F318FC2761EA} = {B1234567-1234-1234-1234-123456789ABC}
-		{E816D7AC-4688-4ECB-97CC-3D8E798F3825} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
-		{E816D7AD-4688-4ECB-97CC-3D8E798F3826} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
-		{E816D7AE-4688-4ECB-97CC-3D8E798F3827} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
-		{E816D7AF-4688-4ECB-97CC-3D8E798F3828} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
-		{E816D7B0-4688-4ECB-97CC-3D8E798F3829} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
 		{2C318EC3-BA86-4372-B1BC-DB0F33C208B2} = {322566EF-20DC-43A6-B9F8-616AF942579A}
 		{BFFB607F-7C78-434B-86B9-DA4C8196A1B5} = {B6C42F16-73EB-477E-8B0D-4E6CF6C20AAC}
 		{66E1534A-1587-42B2-912F-45C994D32904} = {89E20BCE-EB9C-46C8-8B50-E01A82E6FDC3}
@@ -3139,6 +3144,12 @@ Global
 		{806BF185-8B89-5BE1-9AA1-DA5BC9487DB9} = {264B412F-DB8B-4CF8-A74B-96998B183045}
 		{F93C2817-C846-4259-84D8-B39A6B57C8DE} = {3527BF37-DFC5-4309-A032-29278CA21328}
 		{8131151D-B0E9-4E18-84A5-E5F946C4480A} = {929C1324-22E8-4412-A9A8-80E85F3985A5}
+		{E816D7AC-4688-4ECB-97CC-3D8E798F3825} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
+		{E816D7AD-4688-4ECB-97CC-3D8E798F3826} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
+		{E816D7AE-4688-4ECB-97CC-3D8E798F3827} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
+		{E816D7AF-4688-4ECB-97CC-3D8E798F3828} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
+		{E816D7B0-4688-4ECB-97CC-3D8E798F3829} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
+		{00D8659C-2068-40B6-8B86-759CD6284BBB} = {8EF25507-2575-4ADE-BF7E-D23376903AB8}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {C3A2F9D1-7930-4EF4-A6FC-7EE0A99821D0}

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.System.UnitTests/BasicTests.cs

@@ -11,17 +11,6 @@ namespace Microsoft.CmdPal.Ext.System.UnitTests;
 [TestClass]
 public class BasicTests
 {
-    [TestMethod]
-    public void CommandsHelperTest()
-    {
-        // Setup & Act
-        var commands = Commands.GetSystemCommands(false, false, false, false);
-
-        // Assert
-        Assert.IsNotNull(commands);
-        Assert.IsTrue(commands.Count > 0);
-    }
-
     [TestMethod]
     public void IconsHelperTest()
     {

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.System.UnitTests/ImageTests.cs

@@ -16,56 +16,25 @@ namespace Microsoft.CmdPal.Ext.System.UnitTests;
 [TestClass]
 public class ImageTests
 {
-    [DataTestMethod]
+    [DataRow(true)]
-    [DataRow("shutdown", "ShutdownIcon")]
+    [DataRow(false)]
-    [DataRow("restart", "RestartIcon")]
+    [TestMethod]
-    [DataRow("sign out", "LogoffIcon")]
+    public void IconThemeTest(bool isDarkIcon)
-    [DataRow("lock", "LockIcon")]
-    [DataRow("sleep", "SleepIcon")]
-    [DataRow("hibernate", "SleepIcon")]
-    [DataRow("recycle bin", "RecycleBinIcon")]
-    [DataRow("uefi firmware settings", "FirmwareSettingsIcon")]
-    [DataRow("IPv4 addr", "NetworkAdapterIcon")]
-    [DataRow("IPV6 addr", "NetworkAdapterIcon")]
-    [DataRow("MAC addr", "NetworkAdapterIcon")]
-    public void IconThemeDarkTest(string typedString, string expectedIconPropertyName)
     {
-        var systemPage = new SystemCommandPage(new SettingsManager());
+        var systemPage = new SystemCommandPage(new Settings());
+        var commands = systemPage.GetItems();
 
-        foreach (var item in systemPage.GetItems())
+        foreach (var item in commands)
         {
-            if (item.Title.Contains(typedString, StringComparison.OrdinalIgnoreCase) || item.Subtitle.Contains(typedString, StringComparison.OrdinalIgnoreCase))
+            var icon = item.Icon;
+            Assert.IsNotNull(icon, $"Icon for '{item.Title}' should not be null.");
+            if (isDarkIcon)
             {
-                var icon = item.Icon;
+                Assert.IsNotEmpty(icon.Dark.Icon, $"Icon for '{item.Title}' should not be empty.");
-                Assert.IsNotNull(icon, $"Icon for '{typedString}' should not be null.");
-                Assert.IsNotEmpty(icon.Dark.Icon, $"Icon for '{typedString}' should not be empty.");
             }
-        }
+            else
-    }
-
-    [DataTestMethod]
-    [DataRow("shutdown", "ShutdownIcon")]
-    [DataRow("restart", "RestartIcon")]
-    [DataRow("sign out", "LogoffIcon")]
-    [DataRow("lock", "LockIcon")]
-    [DataRow("sleep", "SleepIcon")]
-    [DataRow("hibernate", "SleepIcon")]
-    [DataRow("recycle bin", "RecycleBinIcon")]
-    [DataRow("uefi firmware settings", "FirmwareSettingsIcon")]
-    [DataRow("IPv4 addr", "NetworkAdapterIcon")]
-    [DataRow("IPV6 addr", "NetworkAdapterIcon")]
-    [DataRow("MAC addr", "NetworkAdapterIcon")]
-    public void IconThemeLightTest(string typedString, string expectedIconPropertyName)
-    {
-        var systemPage = new SystemCommandPage(new SettingsManager());
-
-        foreach (var item in systemPage.GetItems())
-        {
-            if (item.Title.Contains(typedString, StringComparison.OrdinalIgnoreCase) || item.Subtitle.Contains(typedString, StringComparison.OrdinalIgnoreCase))
             {
-                var icon = item.Icon;
+                Assert.IsNotEmpty(icon.Light.Icon, $"Icon for '{item.Title}' should not be empty.");
-                Assert.IsNotNull(icon, $"Icon for '{typedString}' should not be null.");
-                Assert.IsNotEmpty(icon.Light.Icon, $"Icon for '{typedString}' should not be empty.");
             }
         }
     }

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.System.UnitTests/Microsoft.CmdPal.Ext.System.UnitTests.csproj

@@ -20,5 +20,6 @@
     <ProjectReference Include="..\..\..\..\common\ManagedCommon\ManagedCommon.csproj" />
     <ProjectReference Include="..\..\ext\Microsoft.CmdPal.Ext.System\Microsoft.CmdPal.Ext.System.csproj" />
     <ProjectReference Include="..\..\extensionsdk\Microsoft.CommandPalette.Extensions.Toolkit\Microsoft.CommandPalette.Extensions.Toolkit.csproj" />
+    <ProjectReference Include="..\Microsoft.CmdPal.Ext.UnitTestsBase\Microsoft.CmdPal.Ext.UnitTestBase.csproj" />
   </ItemGroup>
 </Project>

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.System.UnitTests/QueryTests.cs

@@ -5,12 +5,16 @@
 using System;
 using System.Linq;
 using Microsoft.CmdPal.Ext.System.Helpers;
+using Microsoft.CmdPal.Ext.System.Pages;
+using Microsoft.CmdPal.Ext.UnitTestBase;
+using Microsoft.CommandPalette.Extensions;
+using Microsoft.CommandPalette.Extensions.Toolkit;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace Microsoft.CmdPal.Ext.System.UnitTests;
 
 [TestClass]
-public class QueryTests
+public class QueryTests : CommandPaletteUnitTestBase
 {
     [DataTestMethod]
     [DataRow("shutdown", "Shutdown")]
@@ -19,87 +23,130 @@ public class QueryTests
     [DataRow("lock", "Lock")]
     [DataRow("sleep", "Sleep")]
     [DataRow("hibernate", "Hibernate")]
-    public void SystemCommandsTest(string typedString, string expectedCommand)
+    [DataRow("open recycle", "Open Recycle Bin")]
+    [DataRow("empty recycle", "Empty Recycle Bin")]
+    [DataRow("uefi", "UEFI Firmware Settings")]
+    public void TopLevelPageQueryTest(string input, string matchedTitle)
     {
-        // Setup
+        var settings = new Settings();
-        var commands = Commands.GetSystemCommands(false, false, false, false);
+        var pages = new SystemCommandPage(settings);
+        var allCommands = pages.GetItems();
 
-        // Act
+        var result = Query(input, allCommands);
-        var result = commands.Where(c => c.Title.Contains(expectedCommand, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
 
-        // Assert
+        // Empty recycle bin command should exist
         Assert.IsNotNull(result);
-        Assert.IsTrue(result.Title.Contains(expectedCommand, StringComparison.OrdinalIgnoreCase));
+
+        var firstItem = result.FirstOrDefault();
+
+        Assert.IsNotNull(firstItem, "No items matched the query.");
+        Assert.AreEqual(matchedTitle, firstItem.Title, $"Expected to match '{input}' but got '{firstItem.Title}'");
     }
 
     [TestMethod]
     public void RecycleBinCommandTest()
     {
-        // Setup
+        var settings = new Settings(hideEmptyRecycleBin: true);
-        var commands = Commands.GetSystemCommands(false, false, false, false);
+        var pages = new SystemCommandPage(settings);
+        var allCommands = pages.GetItems();
 
-        // Act
+        var result = Query("recycle", allCommands);
-        var result = commands.Where(c => c.Title.Contains("Recycle", StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
 
-        // Assert
+        // Empty recycle bin command should exist
         Assert.IsNotNull(result);
+
+        foreach (var item in result)
+        {
+            if (item.Title.Contains("Open Recycle Bin") || item.Title.Contains("Empty Recycle Bin"))
+            {
+                Assert.Fail("Recycle Bin commands should not be available when hideEmptyRecycleBin is true.");
+            }
+        }
+
+        var firstItem = result.FirstOrDefault();
+        Assert.IsNotNull(firstItem, "No items matched the query.");
+        Assert.IsTrue(
+            firstItem.Title.Contains("Recycle Bin", StringComparison.OrdinalIgnoreCase),
+            $"Expected to match 'Recycle Bin' but got '{firstItem.Title}'");
     }
 
     [TestMethod]
     public void NetworkCommandsTest()
     {
-        // Test that network commands can be retrieved
+        var settings = new Settings();
-        try
+        var pages = new SystemCommandPage(settings);
+        var allCommands = pages.GetItems();
+
+        var ipv4Result = Query("IPv4", allCommands);
+
+        Assert.IsNotNull(ipv4Result);
+        Assert.IsTrue(ipv4Result.Length > 0, "No IPv4 commands matched the query.");
+
+        var ipv6Result = Query("IPv6", allCommands);
+        Assert.IsNotNull(ipv6Result);
+        Assert.IsTrue(ipv6Result.Length > 0, "No IPv6 commands matched the query.");
+
+        var macResult = Query("MAC", allCommands);
+        Assert.IsNotNull(macResult);
+        Assert.IsTrue(macResult.Length > 0, "No MAC commands matched the query.");
+
+        var findDisconnectedMACResult = false;
+        foreach (var item in macResult)
         {
-            var networkPropertiesList = NetworkConnectionProperties.GetList();
+            if (item.Details.Body.Contains("Disconnected"))
-            Assert.IsTrue(networkPropertiesList.Count >= 0); // Should not throw exceptions
+            {
-        }
+                findDisconnectedMACResult = true;
-        catch (Exception ex)
+                break;
-        {
+            }
-            Assert.Fail($"Network commands should not throw exceptions: {ex.Message}");
         }
+
+        Assert.IsTrue(findDisconnectedMACResult, "No disconnected MAC address found in the results.");
     }
 
     [TestMethod]
-    public void UefiCommandIsAvailableTest()
+    public void HideDisconnectedNetworkInfoTest()
     {
-        // Setup
+        var settings = new Settings(hideDisconnectedNetworkInfo: true);
-        var firmwareType = Win32Helpers.GetSystemFirmwareType();
+        var pages = new SystemCommandPage(settings);
-        var isUefiMode = firmwareType == FirmwareType.Uefi;
+        var allCommands = pages.GetItems();
 
-        // Act
+        var macResult = Query("MAC", allCommands);
-        var commands = Commands.GetSystemCommands(isUefiMode, false, false, false);
+        Assert.IsNotNull(macResult);
-        var uefiCommand = commands.Where(c => c.Title.Contains("UEFI", StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
+        Assert.IsTrue(macResult.Length > 0, "No MAC commands matched the query.");
 
-        // Assert
+        var findDisconnectedMACResult = false;
-        if (isUefiMode)
+        foreach (var item in macResult)
         {
-            Assert.IsNotNull(uefiCommand);
+            if (item.Details.Body.Contains("Disconnected"))
-        }
+            {
-        else
+                findDisconnectedMACResult = true;
-        {
+                break;
-            // UEFI command may still exist but be disabled on non-UEFI systems
+            }
-            Assert.IsTrue(true); // Test environment independent
         }
+
+        Assert.IsTrue(!findDisconnectedMACResult, "Disconnected MAC address found in the results.");
     }
 
     [TestMethod]
-    public void FirmwareTypeTest()
+    [DataRow(FirmwareType.Uefi, true)]
+    [DataRow(FirmwareType.Bios, false)]
+    [DataRow(FirmwareType.Max, false)]
+    [DataRow(FirmwareType.Unknown, false)]
+    public void FirmwareSettingsTest(FirmwareType firmwareType, bool hasCommand)
     {
-        // Test that GetSystemFirmwareType returns a valid enum value
+        var settings = new Settings(firmwareType: firmwareType);
-        var firmwareType = Win32Helpers.GetSystemFirmwareType();
+        var pages = new SystemCommandPage(settings);
-        Assert.IsTrue(Enum.IsDefined(typeof(FirmwareType), firmwareType));
+        var allCommands = pages.GetItems();
-    }
+        var result = Query("UEFI", allCommands);
 
-    [TestMethod]
+        // UEFI Firmware Settings command should exist
-    public void EmptyRecycleBinCommandTest()
-    {
-        // Test that empty recycle bin command exists
-        var commands = Commands.GetSystemCommands(false, false, false, false);
-        var result = commands.Where(c => c.Title.Contains("Empty", StringComparison.OrdinalIgnoreCase) &&
-                                         c.Title.Contains("Recycle", StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
-
-        // Empty recycle bin command should exist
         Assert.IsNotNull(result);
+        var firstItem = result.FirstOrDefault();
+        Assert.IsNotNull(firstItem, "No items matched the query.");
+        var containsFirmwareSettings = firstItem.Title.Contains("UEFI Firmware Settings", StringComparison.OrdinalIgnoreCase);
+
+        Assert.IsTrue(
+            containsFirmwareSettings == hasCommand,
+            $"Expected to match 'UEFI Firmware Settings' but got '{firstItem.Title}'");
     }
 }

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.System.UnitTests/Settings.cs

@@ -0,0 +1,40 @@
+// 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.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.CmdPal.Ext.System.Helpers;
+
+namespace Microsoft.CmdPal.Ext.System.UnitTests;
+
+public class Settings : ISettingsInterface
+{
+    private bool hideDisconnectedNetworkInfo;
+    private bool hideEmptyRecycleBin;
+    private bool showDialogToConfirmCommand;
+    private bool showSuccessMessageAfterEmptyingRecycleBin;
+    private FirmwareType firmwareType;
+
+    public Settings(bool hideDisconnectedNetworkInfo = false, bool hideEmptyRecycleBin = false, bool showDialogToConfirmCommand = false, bool showSuccessMessageAfterEmptyingRecycleBin = false, FirmwareType firmwareType = FirmwareType.Uefi)
+    {
+        this.hideDisconnectedNetworkInfo = hideDisconnectedNetworkInfo;
+        this.hideEmptyRecycleBin = hideEmptyRecycleBin;
+        this.showDialogToConfirmCommand = showDialogToConfirmCommand;
+        this.showSuccessMessageAfterEmptyingRecycleBin = showSuccessMessageAfterEmptyingRecycleBin;
+        this.firmwareType = firmwareType;
+    }
+
+    public bool HideDisconnectedNetworkInfo() => hideDisconnectedNetworkInfo;
+
+    public bool HideEmptyRecycleBin() => hideEmptyRecycleBin;
+
+    public bool ShowDialogToConfirmCommand() => showDialogToConfirmCommand;
+
+    public bool ShowSuccessMessageAfterEmptyingRecycleBin() => showSuccessMessageAfterEmptyingRecycleBin;
+
+    public FirmwareType GetSystemFirmwareType() => firmwareType;
+}

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.UnitTestsBase/CommandPaletteUnitTestBase.cs

@@ -0,0 +1,27 @@
+// 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.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.CommandPalette.Extensions;
+using Microsoft.CommandPalette.Extensions.Toolkit;
+
+namespace Microsoft.CmdPal.Ext.UnitTestBase;
+
+public class CommandPaletteUnitTestBase
+{
+    private bool MatchesFilter(string filter, IListItem item) => StringMatcher.FuzzySearch(filter, item.Title).Success || StringMatcher.FuzzySearch(filter, item.Subtitle).Success;
+
+    public IListItem[] Query(string query, IListItem[] candidates)
+    {
+        IListItem[] listItems = candidates
+            .Where(item => MatchesFilter(query, item))
+            .ToArray();
+
+        return listItems;
+    }
+}

src/modules/cmdpal/Tests/Microsoft.CmdPal.Ext.UnitTestsBase/Microsoft.CmdPal.Ext.UnitTestBase.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+	<!-- Look at Directory.Build.props in root for common stuff as well -->
+	<Import Project="..\..\..\..\Common.Dotnet.CsWinRT.props" />
+
+	<PropertyGroup>
+		<IsPackable>false</IsPackable>
+		<RootNamespace>Microsoft.CmdPal.Ext.UnitTestsBase</RootNamespace>
+		<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Moq" />
+		<PackageReference Include="MSTest" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <ProjectReference Include="..\..\extensionsdk\Microsoft.CommandPalette.Extensions.Toolkit\Microsoft.CommandPalette.Extensions.Toolkit.csproj" />
+	</ItemGroup>
+</Project>

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.System/FallbackSystemCommandItem.cs

@@ -12,16 +12,16 @@ namespace Microsoft.CmdPal.Ext.System;
 
 internal sealed partial class FallbackSystemCommandItem : FallbackCommandItem
 {
-    public FallbackSystemCommandItem(SettingsManager settings)
+    public FallbackSystemCommandItem(ISettingsInterface settings)
         : base(new NoOpCommand(), Resources.Microsoft_plugin_ext_fallback_display_title)
     {
         Title = string.Empty;
         Subtitle = string.Empty;
 
-        var isBootedInUefiMode = Win32Helpers.GetSystemFirmwareType() == FirmwareType.Uefi;
+        var isBootedInUefiMode = settings.GetSystemFirmwareType() == FirmwareType.Uefi;
-        var hideEmptyRB = settings.HideEmptyRecycleBin;
+        var hideEmptyRB = settings.HideEmptyRecycleBin();
-        var confirmSystemCommands = settings.ShowDialogToConfirmCommand;
+        var confirmSystemCommands = settings.ShowDialogToConfirmCommand();
-        var showSuccessOnEmptyRB = settings.ShowSuccessMessageAfterEmptyingRecycleBin;
+        var showSuccessOnEmptyRB = settings.ShowSuccessMessageAfterEmptyingRecycleBin();
 
         systemCommands = Commands.GetSystemCommands(isBootedInUefiMode, hideEmptyRB, confirmSystemCommands, showSuccessOnEmptyRB);
     }

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.System/Helpers/Commands.cs

@@ -136,7 +136,7 @@ internal static class Commands
     /// </summary>
     /// <param name="manager">The tSettingsManager instance</param>
     /// <returns>The list of available results</returns>
-    public static List<IListItem> GetNetworkConnectionResults(SettingsManager manager)
+    public static List<IListItem> GetNetworkConnectionResults(ISettingsInterface manager)
     {
         var results = new List<IListItem>();
 
@@ -151,7 +151,7 @@ internal static class Commands
         CompositeFormat sysIpv4DescriptionCompositeFormate = CompositeFormat.Parse(Resources.Microsoft_plugin_sys_ip4_description);
         CompositeFormat sysIpv6DescriptionCompositeFormate = CompositeFormat.Parse(Resources.Microsoft_plugin_sys_ip6_description);
         CompositeFormat sysMacDescriptionCompositeFormate = CompositeFormat.Parse(Resources.Microsoft_plugin_sys_mac_description);
-        var hideDisconnectedNetworkInfo = manager.HideDisconnectedNetworkInfo;
+        var hideDisconnectedNetworkInfo = manager.HideDisconnectedNetworkInfo();
 
         foreach (NetworkConnectionProperties intInfo in networkPropertiesCache)
         {
@@ -200,7 +200,7 @@ internal static class Commands
         return results;
     }
 
-    public static List<IListItem> GetAllCommands(SettingsManager manager)
+    public static List<IListItem> GetAllCommands(ISettingsInterface manager)
     {
         var list = new List<IListItem>();
         var listLock = new object();
@@ -209,11 +209,11 @@ internal static class Commands
         // On global queries the first word/part has to be 'ip', 'mac' or 'address' for network results
         var networkConnectionResults = Commands.GetNetworkConnectionResults(manager);
 
-        var isBootedInUefiMode = Win32Helpers.GetSystemFirmwareType() == FirmwareType.Uefi;
+        var isBootedInUefiMode = manager.GetSystemFirmwareType() == FirmwareType.Uefi;
 
-        var hideEmptyRB = manager.HideEmptyRecycleBin;
+        var hideEmptyRB = manager.HideEmptyRecycleBin();
-        var confirmSystemCommands = manager.ShowDialogToConfirmCommand;
+        var confirmSystemCommands = manager.ShowDialogToConfirmCommand();
-        var showSuccessOnEmptyRB = manager.ShowSuccessMessageAfterEmptyingRecycleBin;
+        var showSuccessOnEmptyRB = manager.ShowSuccessMessageAfterEmptyingRecycleBin();
 
         // normal system commands are fast and can be returned immediately
         var systemCommands = Commands.GetSystemCommands(isBootedInUefiMode, hideEmptyRB, confirmSystemCommands, showSuccessOnEmptyRB);

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.System/Helpers/ISettingsInterface.cs

@@ -0,0 +1,24 @@
+// 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.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Microsoft.CmdPal.Ext.System.Helpers;
+
+public interface ISettingsInterface
+{
+    public bool ShowDialogToConfirmCommand();
+
+    public bool ShowSuccessMessageAfterEmptyingRecycleBin();
+
+    public bool HideEmptyRecycleBin();
+
+    public bool HideDisconnectedNetworkInfo();
+
+    public FirmwareType GetSystemFirmwareType();
+}

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.System/Helpers/SettingsManager.cs

@@ -7,7 +7,7 @@ using Microsoft.CommandPalette.Extensions.Toolkit;
 
 namespace Microsoft.CmdPal.Ext.System.Helpers;
 
-public class SettingsManager : JsonSettingsManager
+public class SettingsManager : JsonSettingsManager, ISettingsInterface
 {
     private static readonly string _namespace = "system";
 
@@ -37,14 +37,6 @@ public class SettingsManager : JsonSettingsManager
         Resources.Microsoft_plugin_ext_settings_hideDisconnectedNetworkInfo,
         false);
 
-    public bool ShowDialogToConfirmCommand => _showDialogToConfirmCommand.Value;
-
-    public bool ShowSuccessMessageAfterEmptyingRecycleBin => _showSuccessMessageAfterEmptyingRecycleBin.Value;
-
-    public bool HideEmptyRecycleBin => _hideEmptyRecycleBin.Value;
-
-    public bool HideDisconnectedNetworkInfo => _hideDisconnectedNetworkInfo.Value;
-
     internal static string SettingsJsonPath()
     {
         var directory = Utilities.BaseSettingsPath("Microsoft.CmdPal");
@@ -54,6 +46,16 @@ public class SettingsManager : JsonSettingsManager
         return Path.Combine(directory, "settings.json");
     }
 
+    public bool ShowDialogToConfirmCommand() => _showDialogToConfirmCommand.Value;
+
+    public bool ShowSuccessMessageAfterEmptyingRecycleBin() => _showSuccessMessageAfterEmptyingRecycleBin.Value;
+
+    public bool HideEmptyRecycleBin() => _hideEmptyRecycleBin.Value;
+
+    public bool HideDisconnectedNetworkInfo() => _hideDisconnectedNetworkInfo.Value;
+
+    public FirmwareType GetSystemFirmwareType() => Win32Helpers.GetSystemFirmwareType();
+
     public SettingsManager()
     {
         FilePath = SettingsJsonPath();

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.System/Pages/SystemCommandPage.cs

@@ -10,9 +10,9 @@ namespace Microsoft.CmdPal.Ext.System.Pages;
 
 public sealed partial class SystemCommandPage : ListPage
 {
-    private readonly SettingsManager _settingsManager;
+    private readonly ISettingsInterface _settingsManager;
 
-    public SystemCommandPage(SettingsManager settingsManager)
+    public SystemCommandPage(ISettingsInterface settingsManager)
     {
         Title = Resources.Microsoft_plugin_ext_system_page_title;
         Name = Resources.Microsoft_plugin_command_name_open;