Add E2E tests for Microsoft.Sbom.Targets project

Directory.Packages.props

@@ -14,7 +14,9 @@
     <PackageVersion Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="8.1.1" />
     <PackageVersion Include="coverlet.collector" Version="6.0.0" />
     <PackageVersion Include="FluentAssertions" Version="6.12.0" />
+    <PackageVersion Include="Microsoft.Build" Version="17.3.2" />
     <PackageVersion Include="Microsoft.Build.Framework" Version="17.10.4" />
+    <PackageVersion Include="Microsoft.Build.Locator" Version="1.7.8" />
     <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.10.4" />
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="MSTest.TestAdapter" Version="3.1.1" />
@@ -58,4 +60,4 @@
     <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="4.11.1" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
   </ItemGroup>
-</Project>
+</Project>

Microsoft.Sbom.sln

@@ -55,6 +55,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Sbom.Targets.Test
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Sbom.Tool.Tests", "test\Microsoft.Sbom.Tool.Tests\Microsoft.Sbom.Tool.Tests.csproj", "{FC5A9799-7C44-4BFA-BA22-55DCAF1A1B9F}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.Sbom.Targets.E2E.Tests", "test\Microsoft.Sbom.Targets.E2E.Tests\Microsoft.Sbom.Targets.E2E.Tests.csproj", "{3FDE7800-F61F-4C45-93AB-648A4C7979C7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -125,6 +127,10 @@ Global
 		{FC5A9799-7C44-4BFA-BA22-55DCAF1A1B9F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{FC5A9799-7C44-4BFA-BA22-55DCAF1A1B9F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{FC5A9799-7C44-4BFA-BA22-55DCAF1A1B9F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3FDE7800-F61F-4C45-93AB-648A4C7979C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3FDE7800-F61F-4C45-93AB-648A4C7979C7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3FDE7800-F61F-4C45-93AB-648A4C7979C7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3FDE7800-F61F-4C45-93AB-648A4C7979C7}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/Microsoft.Sbom.Targets/Microsoft.Sbom.Targets.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <AssemblyName>Microsoft.Sbom.Targets</AssemblyName>
-    <TargetFrameworks>net8.0;net472</TargetFrameworks>
+    <TargetFrameworks>net6.0;net8.0;net472</TargetFrameworks>
     <RuntimeIdentifiers>win-x64;osx-x64;linux-x64</RuntimeIdentifiers>
     <IsPublishable>true</IsPublishable>
     <IsPackable>true</IsPackable>
@@ -68,8 +68,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Condition="'$(TargetFramework)'=='net8.0'" Include="..\Microsoft.Sbom.Extensions.DependencyInjection\Microsoft.Sbom.Extensions.DependencyInjection.csproj" PrivateAssets="all" />
-    <ProjectReference Condition="'$(TargetFramework)'=='net8.0'" Include="..\Microsoft.Sbom.Tool\Microsoft.Sbom.Tool.csproj" PrivateAssets="all" IncludeAssets="output" />
+    <ProjectReference Condition="'$(TargetFramework)'=='net8.0' or '$(TargetFramework)'=='net6.0'" Include="..\Microsoft.Sbom.Extensions.DependencyInjection\Microsoft.Sbom.Extensions.DependencyInjection.csproj" PrivateAssets="all" />
+    <ProjectReference Condition="'$(TargetFramework)'=='net8.0' or '$(TargetFramework)'=='net6.0'" Include="..\Microsoft.Sbom.Tool\Microsoft.Sbom.Tool.csproj" PrivateAssets="all" IncludeAssets="output" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net472'">

src/Microsoft.Sbom.Targets/Microsoft.Sbom.Targets.targets

@@ -1,19 +1,10 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <!-- TODO remove hardcoded str, reference this assembly using MSBuild props instead -->
-
-  <!--TODO we will eventaully want to replace or remove `AfterTargets="Build"`.
-        Including this line means that this code will run at the end of `dotnet build`s of any project that this .targets
-        file is imported to (see line 24 of Microsoft.Sbom.Targets.csproj as an example of importing this file). This is
-        good for testing purposes, but not the behavior we ultimately want. 
-        We will need to discuss with the .NET SDK team if they want this target to be automatically included after any
-        target and if so, which one. They likely know of a nuget packaging target that it would make sense to hook this in with.-->
-
   <PropertyGroup>
     <GenerateSbom_TFM Condition=" '$(MSBuildRuntimeType)' == 'Full' ">net472</GenerateSbom_TFM>
     <GenerateSbom_TFM Condition=" '$(MSBuildRuntimeType)' == 'Core' ">net8.0</GenerateSbom_TFM>
 
-    <SbomToolBinaryOutputPath>$([System.IO.Path]::Combine($(MSBuildThisFileDirectory),..,tasks,$(GenerateSbom_TFM),sbom-tool))</SbomToolBinaryOutputPath>
-    <AssemblyFilePath>$([System.IO.Path]::Combine($(MSBuildThisFileDirectory),..,tasks,$(GenerateSbom_TFM),Microsoft.Sbom.Targets.dll))</AssemblyFilePath>
+    <SbomToolBinaryOutputPath Condition="'$(SbomToolBinaryOutputPath)' == ''">$([System.IO.Path]::Combine($(MSBuildThisFileDirectory),..,tasks,$(GenerateSbom_TFM),sbom-tool))</SbomToolBinaryOutputPath>
+    <GenerateSbomTaskAssemblyFilePath Condition="'$(GenerateSbomTaskAssemblyFilePath)' == ''">$([System.IO.Path]::Combine($(MSBuildThisFileDirectory),..,tasks,$(GenerateSbom_TFM),Microsoft.Sbom.Targets.dll))</GenerateSbomTaskAssemblyFilePath>
 
     <!--Set the SBOM CLI Tool path. This variable is only used in SbomCLIToolTask.cs-->
     <SbomToolPath Condition=" '$(MSBuildRuntimeType)' == 'Full'">$(SbomToolBinaryOutputPath)</SbomToolPath>
@@ -22,7 +13,7 @@
   </PropertyGroup>
 
   <!--Based on the MSBuild runtime, GenerateSbom will either pull the GenerateSbomTask or SbomCLIToolTask logic-->
-  <UsingTask TaskName="Microsoft.Sbom.Targets.GenerateSbom" AssemblyFile="$(AssemblyFilePath)" />
+  <UsingTask TaskName="Microsoft.Sbom.Targets.GenerateSbom" AssemblyFile="$(GenerateSbomTaskAssemblyFilePath)" />
 
   <PropertyGroup>
     <GenerateSBOM Condition=" '$(GenerateSBOM)' == '' ">false</GenerateSBOM>
@@ -40,24 +31,29 @@
     <SbomGenerationManifestInfo Condition=" '$(SbomGenerationManifestInfo)' == '' ">SPDX:2.2</SbomGenerationManifestInfo>
     <SbomGenerationDeleteManifestDirIfPresent Condition=" '$(SbomGenerationDeleteManifestDirIfPresent)' == '' ">true</SbomGenerationDeleteManifestDirIfPresent>
     <UnzipGuid>$([System.Guid]::NewGuid())</UnzipGuid>
+    <ShortUnzipGuidFolder>$([System.String]::Copy('$(UnzipGuid)').Substring(0, 8))</ShortUnzipGuidFolder>
   </PropertyGroup>
 
   <!-- After the Nuget Package is generated, we will unzip, scan, generate the SBOM and zip again. -->
   <Target Name="GenerateSbomTarget" AfterTargets="Pack" Condition=" '$(GenerateSBOM)' ==  'true'" >
-    <Error Condition="'$(BuildOutputTargetFolder)' == ''" Text="The GenerationSbomTarget requires the BuildOutputTargetFolder property to be non-null. Please set a folder name."/>
-
     <!-- Unzip Nuget package, so it can be scanned by the SBOM Task. -->
     <PropertyGroup>
+      <PackageOutputFullPath>$([System.IO.Path]::GetFullPath('$(PackageOutputPath)'))</PackageOutputFullPath>
+
       <NugetPackage>
-        $([System.IO.Path]::Combine($(PackageOutputPath), $(PackageId).$(PackageVersion).nupkg))
+        $([System.IO.Path]::Combine($(PackageOutputFullPath), $(PackageId).$(PackageVersion).nupkg))
       </NugetPackage>
       <NugetPackageUnzip>
-        $([System.IO.Path]::Combine($(PackageOutputPath), $(PackageId).$(PackageVersion).$(UnzipGuid).temp))
+        $([System.IO.Path]::Combine($(PackageOutputFullPath), $(PackageId).$(PackageVersion).$(ShortUnzipGuidFolder).temp))
       </NugetPackageUnzip>
     </PropertyGroup>
     <Unzip DestinationFolder="$(NugetPackageUnzip)" SourceFiles="$(NugetPackage)" OverwriteReadOnlyFiles="true" />
 
-    <!-- Call the SBOM Task to generate a SBOM. -->
+    <!--
+      Call the SBOM task to generate a SBOM. The SBOM will be generated at the BuildDropPath location, which is the root folder
+      of the NuGet package. NOTE: Currently, the ManifestDirPath is an optional parameter that will not be supported, as the desired location of the SBOM will be
+      at the BuildDropPath directory. However, this parameter is available for future revision and implementation.
+    -->
     <GenerateSbom
         BuildDropPath="$(NugetPackageUnzip)"
         BuildComponentPath="$(SbomGenerationBuildComponentPath)"
@@ -72,7 +68,7 @@
         Verbosity="$(SbomGenerationVerbosity)"
         ManifestInfo="$(SbomGenerationManifestInfo)"
         DeleteManifestDirIfPresent="$(SbomGenerationDeleteManifestDirIfPresent)"
-        ManifestDirPath="$(SbomGenerationManifestDirPath)"
+        ManifestDirPath="" 
         SbomToolPath="$(SbomToolPath)">
       <Output TaskParameter="SbomPath" PropertyName="SbomPathResult" />
     </GenerateSbom>