chore(tests) E2E launch tests to protect the Windows desktop app

Rnwood.Smtp4dev.Desktop.Tests/GlobalUsings.cs

@@ -0,0 +1 @@
+global using NUnit.Framework;

Rnwood.Smtp4dev.Desktop.Tests/LaunchTests.cs

@@ -0,0 +1,64 @@
+using FlaUI.Core.AutomationElements;
+using FlaUI.Core.Definitions;
+using FlaUI.Core.Tools;
+using FlaUI.UIA3;
+using System.Diagnostics;
+using System.Linq.Expressions;
+using System.Windows.Forms;
+namespace Rnwood.Smtp4dev.Desktop.Tests
+{
+    public class Tests
+    {
+        [SetUp]
+        public void Setup()
+        {
+        }
+
+        [Test]
+        public void LaunchAndCheckUILoaded()
+        {
+            string workingDir = Environment.GetEnvironmentVariable("SMTP4DEV_E2E_WORKINGDIR");
+            string binary = Environment.GetEnvironmentVariable("SMTP4DEV_E2E_BINARY");
+
+
+            using FlaUI.Core.Application app = FlaUI.Core.Application.Launch(new ProcessStartInfo(binary, "--smtpport=0") { WorkingDirectory = workingDir });
+            using var automation = new UIA3Automation();
+
+            app.WaitWhileMainHandleIsMissing();
+            var window = app.GetMainWindow(automation);
+            window.Move(0, 0);
+
+
+            try
+            {
+
+                Retry.WhileException(() =>
+                {
+                    app.WaitWhileBusy();
+                    window = app.GetMainWindow(automation);
+                    var element = window.FindFirstDescendant(f => f.ByName("SMTP server", FlaUI.Core.Definitions.PropertyConditionFlags.MatchSubstring)) ??
+                    throw new Exception( "Did not find status label");
+                    var text = element.AsButton().Name;
+                    if (!text.Contains("listening on port"))
+                        throw new Exception("Server not listening: " + text);
+                }, TimeSpan.FromSeconds(30), null, true);
+
+            } finally
+            {
+                try
+                {
+                    string screenshotFileName = Path.Combine(TestContext.CurrentContext.WorkDirectory, Guid.NewGuid() + ".png");
+                    window.CaptureToFile(screenshotFileName);
+                    TestContext.AddTestAttachment(screenshotFileName);
+                } catch (Exception e)
+                {
+                    TestContext.WriteLine($"Screenshot failed with exception: {e}");
+                }
+
+                app.Close();
+            }
+
+
+        }
+    }
+}

Rnwood.Smtp4dev.Desktop.Tests/Rnwood.Smtp4dev.Desktop.Tests.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="FlaUI.Core" Version="4.0.0" />
+    <PackageReference Include="FlaUI.UIA3" Version="4.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.6.1" />
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
+  </ItemGroup>
+
+</Project>

Rnwood.Smtp4dev.Desktop.Tests/local.runsettings

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RunSettings>
+  <RunConfiguration>
+    <EnvironmentVariables>
+      <SMTP4DEV_E2E_WORKINGDIR>C:\src\smtp4dev-master\Rnwood.Smtp4dev.Desktop\bin\Debug\net8.0</SMTP4DEV_E2E_WORKINGDIR>
+      <SMTP4DEV_E2E_BINARY>C:\src\smtp4dev-master\Rnwood.Smtp4dev.Desktop\bin\Debug\net8.0\Rnwood.Smtp4dev.Desktop.exe</SMTP4DEV_E2E_BINARY>
+    </EnvironmentVariables>
+  </RunConfiguration>
+</RunSettings>

Rnwood.Smtp4dev.Desktop/DesktopApp.cs

@@ -40,6 +40,9 @@ private static PhotinoWindow CreateWindow(string workingDir, string title = "smt
                 .SetIconFile(Path.Combine(workingDir, iconFile))
                 .SetTitle(title)
                 .SetDevToolsEnabled(true)
+                .SetUseOsDefaultLocation(true)
+                .SetMinSize(800,600)
+                .SetUseOsDefaultSize(true)
                 .SetContextMenuEnabled(false);
 
             result.RegisterWebMessageReceivedHandler((s, m) =>

azure-pipelines.yml

@@ -134,6 +134,7 @@ stages:
               SMTP4DEV_E2E_BINARY: $(Agent.TempDirectory)/e2e/Rnwood.Smtp4dev
             inputs:
               command: test
+              projects: Rnwood.Smtp4dev.Tests
               configuration: release
           - powershell: move-item $(Build.ArtifactStagingDirectory)/$(platformName)/Rnwood.Smtp4dev.zip $(Build.ArtifactStagingDirectory)/$(platformName)/Rnwood.Smtp4dev-$(platformName)-$(tag).zip
             displayName: Rename artifact
@@ -177,12 +178,26 @@ stages:
               projects: "Rnwood.Smtp4dev.Desktop/Rnwood.Smtp4dev.Desktop.csproj"
               publishWebProjects: false
               arguments: '-c Release -r win-x64 -p:version=$(tag) --self-contained -p:PublishSingleFile=true -p:PublishReadyToRun=true -p:PublishSingleFile=true -o "$(Build.ArtifactStagingDirectory)/win-x64-desktop"'
+          - task: ExtractFiles@1
+            displayName: Extract files for E2E tests
+            inputs:
+              archiveFilePatterns: '$(Build.ArtifactStagingDirectory)/win-x64-desktop/Rnwood.Smtp4dev.Desktop.zip'
+              destinationFolder: $(Agent.TempDirectory)/e2e
+          - task: DotNetCoreCLI@2
+            displayName: Run Tests
+            env:
+              SMTP4DEV_E2E_WORKINGDIR: $(Agent.TempDirectory)/e2e
+              SMTP4DEV_E2E_BINARY: $(Agent.TempDirectory)/e2e/Rnwood.Smtp4dev.Desktop
+            inputs:
+              command: test
+              projects: Rnwood.Smtp4dev.Desktop.Tests
+              configuration: release
           - powershell: move-item $(Build.ArtifactStagingDirectory)/win-x64-desktop/Rnwood.Smtp4dev.Desktop.zip $(Build.ArtifactStagingDirectory)/win-x64-desktop/Rnwood.Smtp4dev.Desktop-win-x64-$(tag).zip
             displayName: Rename artifact
           - publish: $(Build.ArtifactStagingDirectory)/win-x64-desktop
             artifact: win-x64-desktop
 
-          # - task: DotNetCoreCLI@2
+          # - task: DotNetCoreCLI@2run
           #   displayName: Build .NET Core - linux-x64-desktop
           #   inputs:
           #     command: publish

smtp4dev.sln

@@ -14,6 +14,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Rnwood.Smtp4dev.Desktop", "Rnwood.Smtp4dev.Desktop\Rnwood.Smtp4dev.Desktop.csproj", "{E75DDB87-5000-416E-91DB-1CCC996F5882}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Rnwood.Smtp4dev.Desktop.Tests", "Rnwood.Smtp4dev.Desktop.Tests\Rnwood.Smtp4dev.Desktop.Tests.csproj", "{44686E8D-112A-4506-BD48-432E99D2D0DC}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -32,6 +34,10 @@ Global
 		{E75DDB87-5000-416E-91DB-1CCC996F5882}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E75DDB87-5000-416E-91DB-1CCC996F5882}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E75DDB87-5000-416E-91DB-1CCC996F5882}.Release|Any CPU.Build.0 = Release|Any CPU
+		{44686E8D-112A-4506-BD48-432E99D2D0DC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{44686E8D-112A-4506-BD48-432E99D2D0DC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{44686E8D-112A-4506-BD48-432E99D2D0DC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{44686E8D-112A-4506-BD48-432E99D2D0DC}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE