test(e2e): add comprehensive E2E test suite for SDK features

.github/workflows/build.yml

@@ -6,12 +6,14 @@ on:
     paths:
       - 'src/**'
       - 'samples/**'
+      - 'tests/**'
       - '.github/workflows/build.yml'
   pull_request:
     branches: [main]
     paths:
       - 'src/**'
       - 'samples/**'
+      - 'tests/**'
       - '.github/workflows/build.yml'
 
 jobs:
@@ -39,6 +41,81 @@ jobs:
       - name: Build Sample Extension
         run: dotnet build samples/SampleExtension/SampleExtension.csproj -c Release
 
+      # E2E Tests - Build all test projects
+      - name: Build E2E.Minimal
+        run: dotnet build tests/e2e/E2E.Minimal/E2E.Minimal.csproj -c Release
+
+      - name: Build E2E.AutoIncludes
+        run: dotnet build tests/e2e/E2E.AutoIncludes/E2E.AutoIncludes.csproj -c Release
+
+      - name: Build E2E.SourceGenerators
+        run: dotnet build tests/e2e/E2E.SourceGenerators/E2E.SourceGenerators.csproj -c Release
+
+      - name: Build E2E.VersionOverride
+        run: dotnet build tests/e2e/E2E.VersionOverride/E2E.VersionOverride.csproj -c Release
+
+      - name: Build E2E.VersionOverride with SetVsixVersion
+        run: dotnet build tests/e2e/E2E.VersionOverride/E2E.VersionOverride.csproj -c Release -p:SetVsixVersion=2.0.0
+
+      - name: Build E2E.CustomPkgDef
+        run: dotnet build tests/e2e/E2E.CustomPkgDef/E2E.CustomPkgDef.csproj -c Release
+
+      - name: Build E2E.ManualPkgDef
+        run: dotnet build tests/e2e/E2E.ManualPkgDef/E2E.ManualPkgDef.csproj -c Release
+
+      - name: Build E2E.ImageAndContentManifest
+        run: dotnet build tests/e2e/E2E.ImageAndContentManifest/E2E.ImageAndContentManifest.csproj -c Release
+
+      - name: Build E2E.Validation (expect warnings)
+        run: dotnet build tests/e2e/E2E.Validation/E2E.Validation.csproj -c Release
+
+      - name: Build E2E.ValidationNoManifest (expect warnings)
+        run: dotnet build tests/e2e/E2E.ValidationNoManifest/E2E.ValidationNoManifest.csproj -c Release
+
+      - name: Build E2E.Templates.AutoDiscovery
+        run: dotnet build tests/e2e/E2E.Templates.AutoDiscovery/E2E.Templates.AutoDiscovery.csproj -c Release
+
+      - name: Build E2E.Templates.PreBuiltZip
+        run: dotnet build tests/e2e/E2E.Templates.PreBuiltZip/E2E.Templates.PreBuiltZip.csproj -c Release
+
+      - name: Build E2E.Templates.ManualWithSubPath
+        run: dotnet build tests/e2e/E2E.Templates.ManualWithSubPath/E2E.Templates.ManualWithSubPath.csproj -c Release
+
+      - name: Build E2E.AllFeatures
+        run: dotnet build tests/e2e/E2E.AllFeatures/E2E.AllFeatures.csproj -c Release
+
+      # VSIX Verification - Check that VSIX files contain expected content
+      - name: Verify E2E.Minimal VSIX
+        run: |
+          $vsix = "tests/e2e/E2E.Minimal/bin/Release/net472/E2E.Minimal.vsix"
+          if (!(Test-Path $vsix)) { throw "VSIX not found: $vsix" }
+          Expand-Archive -Path $vsix -DestinationPath "tests/e2e/E2E.Minimal/vsix-contents" -Force
+          $files = Get-ChildItem -Path "tests/e2e/E2E.Minimal/vsix-contents" -Recurse -File | Select-Object -ExpandProperty Name
+          if ($files -notcontains "extension.vsixmanifest") { throw "Missing extension.vsixmanifest" }
+          if ($files -notcontains "E2E.Minimal.dll") { throw "Missing E2E.Minimal.dll" }
+          Write-Host "E2E.Minimal VSIX verified successfully"
+
+      - name: Verify E2E.Templates.AutoDiscovery VSIX
+        run: |
+          $vsix = "tests/e2e/E2E.Templates.AutoDiscovery/bin/Release/net472/E2E.Templates.AutoDiscovery.vsix"
+          if (!(Test-Path $vsix)) { throw "VSIX not found: $vsix" }
+          Expand-Archive -Path $vsix -DestinationPath "tests/e2e/E2E.Templates.AutoDiscovery/vsix-contents" -Force
+          $files = Get-ChildItem -Path "tests/e2e/E2E.Templates.AutoDiscovery/vsix-contents" -Recurse | Select-Object -ExpandProperty Name
+          # VSSDK default behavior includes templates as folders with .vstemplate files
+          if ($files -notcontains "ConsoleApp.vstemplate") { throw "Missing ProjectTemplates/ConsoleApp/ConsoleApp.vstemplate" }
+          if ($files -notcontains "NewClass.vstemplate") { throw "Missing ItemTemplates/NewClass/NewClass.vstemplate" }
+          Write-Host "E2E.Templates.AutoDiscovery VSIX verified successfully"
+
+      - name: Verify E2E.AllFeatures VSIX
+        run: |
+          $vsix = "tests/e2e/E2E.AllFeatures/bin/Release/net472/E2E.AllFeatures.vsix"
+          if (!(Test-Path $vsix)) { throw "VSIX not found: $vsix" }
+          Expand-Archive -Path $vsix -DestinationPath "tests/e2e/E2E.AllFeatures/vsix-contents" -Force
+          $files = Get-ChildItem -Path "tests/e2e/E2E.AllFeatures/vsix-contents" -Recurse | Select-Object -ExpandProperty Name
+          if ($files -notcontains "extension.vsixmanifest") { throw "Missing extension.vsixmanifest" }
+          if ($files -notcontains "E2E.AllFeatures.dll") { throw "Missing E2E.AllFeatures.dll" }
+          Write-Host "E2E.AllFeatures VSIX verified successfully"
+
       - name: Test Template - Install
         run: dotnet new install artifacts/packages/CodingWithCalvin.VsixSdk.Templates.1.0.0.nupkg
 

.gitignore

@@ -51,3 +51,6 @@ CLAUDE.local.md
 Generated/
 VsixInfo.g.cs
 *Vsct.g.cs
+
+# Pre-built template zips (generated during build)
+tests/e2e/*/PreBuilt/

tests/e2e/Directory.Build.props

@@ -0,0 +1,18 @@
+<Project>
+  <!--
+    For E2E testing, we add VSIX SDK behavior on top of Microsoft.NET.Sdk.
+    The E2E test projects use Sdk="Microsoft.NET.Sdk" directly.
+  -->
+
+  <PropertyGroup>
+    <!-- Path to local SDK files -->
+    <CodingWithCalvinVsixSdkRoot>$(MSBuildThisFileDirectory)..\..\src\CodingWithCalvin.VsixSdk\</CodingWithCalvinVsixSdkRoot>
+
+    <!-- Signal that we're running in local development mode -->
+    <CodingWithCalvinVsixSdkLocalDev>true</CodingWithCalvinVsixSdkLocalDev>
+  </PropertyGroup>
+
+  <!-- Import VSIX-specific properties (after Microsoft.NET.Sdk.props is imported by the project) -->
+  <Import Project="$(CodingWithCalvinVsixSdkRoot)Sdk\Sdk.Vsix.props" />
+
+</Project>

tests/e2e/Directory.Build.targets

@@ -0,0 +1,15 @@
+<Project>
+  <!--
+    For E2E testing, import the VSIX-specific targets.
+    These add VSIX build behavior without importing Microsoft.NET.Sdk again.
+  -->
+
+  <!-- Import VSIX-specific item includes and targets -->
+  <Import Project="$(CodingWithCalvinVsixSdkRoot)Sdk\Sdk.Vsix.targets" />
+
+  <!-- Reference the source generators for local development -->
+  <ItemGroup Condition="'$(CodingWithCalvinVsixSdkLocalDev)' == 'true'">
+    <Analyzer Include="$(CodingWithCalvinVsixSdkRoot)..\CodingWithCalvin.VsixSdk.Generators\bin\$(Configuration)\netstandard2.0\CodingWithCalvin.VsixSdk.Generators.dll" />
+  </ItemGroup>
+
+</Project>

tests/e2e/E2E.AllFeatures/Commands/AllCommands.vsct

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<CommandTable xmlns="http://schemas.microsoft.com/VisualStudio/2005-10-18/CommandTable" xmlns:xs="http://www.w3.org/2001/XMLSchema">
+
+  <Extern href="stdidcmd.h"/>
+  <Extern href="vsshlids.h"/>
+
+  <Commands package="guidAllFeaturesPackage">
+    <Groups>
+      <Group guid="guidAllFeaturesCommandSet" id="AllFeaturesMenuGroup" priority="0x0600">
+        <Parent guid="guidSHLMainMenu" id="IDM_VS_MENU_TOOLS"/>
+      </Group>
+    </Groups>
+
+    <Buttons>
+      <Button guid="guidAllFeaturesCommandSet" id="AllFeaturesCommand" priority="0x0100" type="Button">
+        <Parent guid="guidAllFeaturesCommandSet" id="AllFeaturesMenuGroup" />
+        <Strings>
+          <ButtonText>All Features Command</ButtonText>
+        </Strings>
+      </Button>
+    </Buttons>
+  </Commands>
+
+  <Symbols>
+    <GuidSymbol name="guidAllFeaturesPackage" value="{DDDDDDDD-DDDD-DDDD-DDDD-DDDDDDDDDDDD}" />
+    <GuidSymbol name="guidAllFeaturesCommandSet" value="{EEEEEEEE-EEEE-EEEE-EEEE-EEEEEEEEEEEE}">
+      <IDSymbol name="AllFeaturesMenuGroup" value="0x1020" />
+      <IDSymbol name="AllFeaturesCommand" value="0x0100" />
+    </GuidSymbol>
+  </Symbols>
+
+</CommandTable>

tests/e2e/E2E.AllFeatures/CustomSettings.pkgdef

@@ -0,0 +1,5 @@
+; Custom pkgdef settings for AllFeatures test
+
+[$RootKey$\E2E\AllFeatures]
+"AllFeaturesEnabled"=dword:00000001
+"CustomSetting"="AllFeaturesValue"

tests/e2e/E2E.AllFeatures/E2E.AllFeatures.csproj

@@ -0,0 +1,45 @@
+<!--
+  E2E.AllFeatures - Comprehensive test combining ALL SDK features.
+
+  Validates:
+  - All features work together without conflicts
+  - VSCT + templates + generators + version all coexist
+  - Complete VSIX package produced
+-->
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <Version>1.0.0</Version>
+    <!-- Exclude template source folders from compilation -->
+    <DefaultItemExcludes>$(DefaultItemExcludes);PreBuiltSource\**;ManualTemplates\**</DefaultItemExcludes>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.VisualStudio.SDK" Version="17.*" />
+  </ItemGroup>
+
+  <!-- Pre-built template zip -->
+  <ItemGroup>
+    <VsixTemplateZip Include="PreBuilt\PreBuilt.zip" TemplateType="Project" />
+  </ItemGroup>
+
+  <!-- Manual template with subpath -->
+  <ItemGroup>
+    <VsixProjectTemplate Include="ManualTemplates\ManualProject" TargetSubPath="Manual" />
+  </ItemGroup>
+
+  <!-- Custom pkgdef files -->
+  <ItemGroup>
+    <PkgDefToMerge Include="CustomSettings.pkgdef" />
+  </ItemGroup>
+
+  <!-- Target to create pre-built zip if needed -->
+  <Target Name="CreatePreBuiltZip" BeforeTargets="PrepareForBuild">
+    <MakeDir Directories="PreBuilt" Condition="!Exists('PreBuilt')" />
+    <ZipDirectory SourceDirectory="PreBuiltSource\PreBuiltProject"
+                  DestinationFile="PreBuilt\PreBuilt.zip"
+                  Overwrite="true"
+                  Condition="Exists('PreBuiltSource\PreBuiltProject') and !Exists('PreBuilt\PreBuilt.zip')" />
+  </Target>
+
+</Project>

tests/e2e/E2E.AllFeatures/E2EAllFeaturesPackage.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+using Microsoft.VisualStudio.Shell;
+using Task = System.Threading.Tasks.Task;
+
+namespace E2E.AllFeatures
+{
+    [PackageRegistration(UseManagedResourcesOnly = true, AllowsBackgroundLoading = true)]
+    [Guid("00000000-0000-0000-0000-00000000000D")]
+    public sealed class E2EAllFeaturesPackage : AsyncPackage
+    {
+        protected override async Task InitializeAsync(CancellationToken cancellationToken, IProgress<ServiceProgressData> progress)
+        {
+            await base.InitializeAsync(cancellationToken, progress);
+            await JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
+        }
+    }
+}

tests/e2e/E2E.AllFeatures/FeatureConsumer.cs

@@ -0,0 +1,35 @@
+// This file uses generated constants to verify all generators work together.
+
+using System;
+
+namespace E2E.AllFeatures
+{
+    /// <summary>
+    /// Consumes generated constants to verify all features work together.
+    /// </summary>
+    public static class FeatureConsumer
+    {
+        // VsixInfo constants
+        public static string ExtensionId => VsixInfo.Id;
+        public static string ExtensionDisplayName => VsixInfo.DisplayName;
+
+        // VSCT constants
+        public static Guid PackageGuid => AllCommandsVsct.guidAllFeaturesPackage;
+        public static int CommandId => AllCommandsVsct.guidAllFeaturesCommandSet.AllFeaturesCommand;
+
+        /// <summary>
+        /// Validates that all generated constants are available.
+        /// </summary>
+        public static void ValidateAllFeatures()
+        {
+            if (string.IsNullOrEmpty(ExtensionId))
+                throw new InvalidOperationException("VsixInfo.Id is empty");
+
+            if (PackageGuid == Guid.Empty)
+                throw new InvalidOperationException("Package GUID is empty");
+
+            if (CommandId != 0x0100)
+                throw new InvalidOperationException("Command ID has wrong value");
+        }
+    }
+}

tests/e2e/E2E.AllFeatures/ItemTemplates/AutoItem/AutoItem.vstemplate

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<VSTemplate Version="3.0.0" Type="Item" xmlns="http://schemas.microsoft.com/developer/vstemplate/2005">
+  <TemplateData>
+    <Name>Auto-Discovered Item</Name>
+    <Description>Auto-discovered item template in AllFeatures</Description>
+    <ProjectType>CSharp</ProjectType>
+    <DefaultName>AutoItem.cs</DefaultName>
+  </TemplateData>
+  <TemplateContent>
+    <ProjectItem ReplaceParameters="true" TargetFileName="$fileinputname$.cs">Item.cs</ProjectItem>
+  </TemplateContent>
+</VSTemplate>

tests/e2e/E2E.AllFeatures/ItemTemplates/AutoItem/Item.cs

@@ -0,0 +1,4 @@
+namespace $rootnamespace$
+{
+    public class $safeitemname$ { }
+}

tests/e2e/E2E.AllFeatures/ManualTemplates/ManualProject/Class1.cs

@@ -0,0 +1,4 @@
+namespace $safeprojectname$
+{
+    public class Class1 { }
+}

tests/e2e/E2E.AllFeatures/ManualTemplates/ManualProject/ManualProject.vstemplate

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<VSTemplate Version="3.0.0" Type="Project" xmlns="http://schemas.microsoft.com/developer/vstemplate/2005">
+  <TemplateData>
+    <Name>Manual Project (SubPath)</Name>
+    <Description>Manual project template with TargetSubPath in AllFeatures</Description>
+    <ProjectType>CSharp</ProjectType>
+    <DefaultName>ManualProject</DefaultName>
+    <ProvideDefaultName>true</ProvideDefaultName>
+  </TemplateData>
+  <TemplateContent>
+    <Project File="Project.csproj" ReplaceParameters="true">
+      <ProjectItem ReplaceParameters="true">Class1.cs</ProjectItem>
+    </Project>
+  </TemplateContent>
+</VSTemplate>

tests/e2e/E2E.AllFeatures/ManualTemplates/ManualProject/Project.csproj

@@ -0,0 +1,5 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+  </PropertyGroup>
+</Project>

tests/e2e/E2E.AllFeatures/PreBuiltSource/PreBuiltProject/Class1.cs

@@ -0,0 +1,4 @@
+namespace $safeprojectname$
+{
+    public class Class1 { }
+}

tests/e2e/E2E.AllFeatures/PreBuiltSource/PreBuiltProject/PreBuiltProject.vstemplate

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<VSTemplate Version="3.0.0" Type="Project" xmlns="http://schemas.microsoft.com/developer/vstemplate/2005">
+  <TemplateData>
+    <Name>Pre-Built Project</Name>
+    <Description>Pre-built zip template in AllFeatures</Description>
+    <ProjectType>CSharp</ProjectType>
+    <DefaultName>PreBuiltProject</DefaultName>
+    <ProvideDefaultName>true</ProvideDefaultName>
+  </TemplateData>
+  <TemplateContent>
+    <Project File="Project.csproj" ReplaceParameters="true">
+      <ProjectItem ReplaceParameters="true">Class1.cs</ProjectItem>
+    </Project>
+  </TemplateContent>
+</VSTemplate>

tests/e2e/E2E.AllFeatures/PreBuiltSource/PreBuiltProject/Project.csproj

@@ -0,0 +1,5 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+  </PropertyGroup>
+</Project>

tests/e2e/E2E.AllFeatures/ProjectTemplates/AutoProject/AutoProject.vstemplate

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<VSTemplate Version="3.0.0" Type="Project" xmlns="http://schemas.microsoft.com/developer/vstemplate/2005">
+  <TemplateData>
+    <Name>Auto-Discovered Project</Name>
+    <Description>Auto-discovered project template in AllFeatures</Description>
+    <ProjectType>CSharp</ProjectType>
+    <DefaultName>AutoProject</DefaultName>
+    <ProvideDefaultName>true</ProvideDefaultName>
+  </TemplateData>
+  <TemplateContent>
+    <Project File="Project.csproj" ReplaceParameters="true">
+      <ProjectItem ReplaceParameters="true">Class1.cs</ProjectItem>
+    </Project>
+  </TemplateContent>
+</VSTemplate>

tests/e2e/E2E.AllFeatures/ProjectTemplates/AutoProject/Class1.cs

@@ -0,0 +1,4 @@
+namespace $safeprojectname$
+{
+    public class Class1 { }
+}

tests/e2e/E2E.AllFeatures/ProjectTemplates/AutoProject/Project.csproj

@@ -0,0 +1,5 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+  </PropertyGroup>
+</Project>