Add system tests and try them in CI

.github/workflows/build.yml

@@ -59,6 +59,7 @@ jobs:
   test:
     runs-on: windows-latest
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
+    needs: build
 
     steps:
     - uses: actions/checkout@v4
@@ -71,5 +72,20 @@ jobs:
         cp .env.example .env
         dotnet restore src\WinDynamicDesktop.sln
 
-    - run: dotnet test --verbosity normal
+    - name: Unit Tests
+      run: dotnet test --filter type!=system --verbosity normal
+      working-directory: test
+
+    - run: |
+        npm install -g appium
+        Start-Process -NoNewWindow -FilePath "C:\Program Files (x86)\Windows Application Driver\WinAppDriver.exe"
+        Start-Sleep -Seconds 5
+
+    - uses: actions/download-artifact@v4
+      with:
+        name: exe-x64
+        path: test\bin
+
+    - name: System Tests
+      run: dotnet test --filter type=system --verbosity normal
       working-directory: test

test/SystemTests.cs

@@ -0,0 +1,64 @@
+using Microsoft.Win32;
+using OpenQA.Selenium;
+using OpenQA.Selenium.Appium;
+using OpenQA.Selenium.Appium.Windows;
+
+namespace WinDynamicDesktop.Tests
+{
+    public class SystemTests : IDisposable
+    {
+        private const string AppiumServerUrl = "http://127.0.0.1:4723";
+        private readonly string AppPath = Path.GetFullPath(@"..\..\..\bin\WinDynamicDesktop.exe");
+        private readonly WindowsDriver<WindowsElement> driver;
+
+        public SystemTests()
+        {
+            var appCapabilities = new AppiumOptions();
+            appCapabilities.AddAdditionalCapability("app", AppPath);
+            appCapabilities.AddAdditionalCapability("platformName", "Windows");
+            appCapabilities.AddAdditionalCapability("deviceName", "WindowsPC");
+            driver = new WindowsDriver<WindowsElement>(new Uri(AppiumServerUrl), appCapabilities);
+            driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(5);
+        }
+
+        [Fact, Trait("type", "system")]
+        public void ShouldUpdateWallpaper()
+        {
+            driver.FindElementByXPath("//Window[@Name='Select Language']").Click();
+            driver.FindElementByXPath("//Button[@Name='OK']").Click();
+            Thread.Sleep(TimeSpan.FromSeconds(1));
+
+            driver.SwitchTo().Window(driver.WindowHandles[0]);
+            driver.FindElementByXPath("//Window[@Name='Configure Schedule']").Click();
+            driver.FindElementByAccessibilityId("radioButton1").Click();
+            driver.FindElementByAccessibilityId("locationBox").SendKeys("New York NY");
+            driver.FindElementByXPath("//Button[@Name='OK']").Click();
+            driver.SwitchTo().Window(driver.WindowHandles.Last());
+            driver.FindElementByXPath("//Button[@Name='Yes']").Click();
+            Thread.Sleep(TimeSpan.FromSeconds(1));
+
+            driver.SwitchTo().Window(driver.WindowHandles[0]);
+            driver.FindElementByXPath("//Window[@Name='Select Theme']").Click();
+            driver.FindElementByAccessibilityId("listView1").SendKeys(Keys.Control + Keys.End);
+            driver.FindElementByXPath("//ListItem[@Name='Windows 11']").Click();
+            driver.FindElementByXPath("//Button[@Name='Apply']").Click();
+
+            Assert.Contains(["scripts", "settings.json", "themes"],
+                Directory.GetFileSystemEntries(Path.GetDirectoryName(AppPath)).Select(Path.GetFileName).ToArray());
+            Assert.StartsWith(Path.Combine(Path.GetDirectoryName(AppPath), "themes", "Windows_11", "img"), GetWallpaperPath());
+        }
+
+        public void Dispose()
+        {
+            driver?.Quit();
+        }
+
+        private string? GetWallpaperPath()
+        {
+            using (RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Control Panel\Desktop"))
+            {
+                return key?.GetValue("WallPaper") as string;
+            }
+        }
+    }
+}

test/WinDynamicDesktop.Tests.csproj

@@ -10,6 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Appium.WebDriver" Version="4.4.5" />
     <PackageReference Include="FakeLocalTimeZone" Version="0.0.3" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="xunit" Version="2.9.2" />