From ed572edb5f759c884052daab4273ee74381ecc95 Mon Sep 17 00:00:00 2001
From: Andreas Gullberg Larsen <andreas.larsen84@gmail.com>
Date: Thu, 23 Jul 2026 03:59:02 +0200
Subject: [PATCH] Discover test projects in build pipelines

Replace duplicated hardcoded test project lists with framework-aware discovery shared by the primary and net48 coverage workflows.
---
 .github/workflows/net48-compatibility.yml | 17 +++++-----
 Build/build-functions.psm1                | 38 ++++++++++++++++-------
 2 files changed, 34 insertions(+), 21 deletions(-)

diff --git a/.github/workflows/net48-compatibility.yml b/.github/workflows/net48-compatibility.yml
index 959e57ddc2..0f6e070f14 100644
--- a/.github/workflows/net48-compatibility.yml
+++ b/.github/workflows/net48-compatibility.yml
@@ -50,20 +50,17 @@ jobs:
     - name: Run the complete net48 test suite with coverage
       shell: pwsh
       run: |
-        $testProjects = @(
-          'UnitsNet.Tests/UnitsNet.Tests.csproj',
-          'UnitsNet.NumberExtensions.Tests/UnitsNet.NumberExtensions.Tests.csproj',
-          'UnitsNet.NumberExtensions.CS14.Tests/UnitsNet.NumberExtensions.CS14.Tests.csproj',
-          'UnitsNet.Serialization.JsonNet.Tests/UnitsNet.Serialization.JsonNet.Tests.csproj'
-        )
+        Import-Module ./Build/build-functions.psm1
+        $testProjects = @(Get-TestProjects -Framework 'net48')
+        if ($testProjects.Count -eq 0) {
+          throw 'No test projects targeting net48 were found.'
+        }
 
         New-Item -ItemType Directory -Force -Path Artifacts/Coverage | Out-Null
 
         foreach ($testProject in $testProjects) {
-          $projectName = [IO.Path]::GetFileNameWithoutExtension($testProject)
-
           $testArguments = @(
-            $testProject,
+            $testProject.FullName,
             '--configuration', 'Release',
             '--framework', 'net48',
             '--logger', 'trx',
@@ -73,7 +70,7 @@ jobs:
 
           dotnet tool run dotCover -- cover-dotnet `
             --TargetWorkingDir $PWD.Path `
-            --Output "Artifacts/Coverage/$projectName.coverage.xml" `
+            --Output "Artifacts/Coverage/$($testProject.BaseName).coverage.xml" `
             --ReportType DetailedXML `
             --Filters '+:module=UnitsNet*;-:module=*Tests' `
             --ReturnTargetExitCode `
diff --git a/Build/build-functions.psm1 b/Build/build-functions.psm1
index 88cd3b3e7f..5b3367425f 100644
--- a/Build/build-functions.psm1
+++ b/Build/build-functions.psm1
@@ -33,17 +33,34 @@ function Start-Build {
   write-host -foreground blue "Start-Build...END`n"
 }
 
+function Get-TestProjects {
+  Param(
+    [Parameter(Mandatory)]
+    [string] $Framework
+  )
+
+  $testProjects = Get-ChildItem -Path $root -Recurse -Filter "*.Tests.csproj" -File | Sort-Object FullName
+  foreach ($testProject in $testProjects) {
+    $propertiesJson = & dotnet msbuild $testProject.FullName `
+      -getProperty:TargetFrameworks,TargetFramework `
+      -nologo
+    if ($lastexitcode -ne 0) { throw "Failed to read target frameworks from $($testProject.FullName)." }
+
+    $properties = $propertiesJson | ConvertFrom-Json
+    $targetFrameworks = @($properties.Properties.TargetFrameworks -split ';') + $properties.Properties.TargetFramework
+    if ($targetFrameworks -contains $Framework) {
+      $testProject
+    }
+  }
+}
+
 function Start-Tests {
   Param(
     [switch] $SkipCoverage
   )
 
-  $projectPaths = @(
-    "UnitsNet.Tests/UnitsNet.Tests.csproj",
-    "UnitsNet.NumberExtensions.Tests/UnitsNet.NumberExtensions.Tests.csproj",
-    "UnitsNet.NumberExtensions.CS14.Tests/UnitsNet.NumberExtensions.CS14.Tests.csproj",
-    "UnitsNet.Serialization.JsonNet.Tests/UnitsNet.Serialization.JsonNet.Tests.csproj"
-    )
+  $testProjects = @(Get-TestProjects -Framework "net10.0")
+  if ($testProjects.Count -eq 0) { throw "No test projects targeting net10.0 were found." }
 
   # Parent dir must exist before xunit tries to write files to it
   new-item -type directory -force $testReportDir 1> $null
@@ -52,10 +69,9 @@ function Start-Tests {
   }
 
   write-host -foreground blue "Run tests...`n---"
-  foreach ($projectPath in $projectPaths) {
-    $projectFileNameNoEx = [System.IO.Path]::GetFileNameWithoutExtension($projectPath)
-    $coverageReportFile = Join-Path $testCoverageDir "${projectFileNameNoEx}.coverage.xml"
-    $projectDir = Join-Path $root ([System.IO.Path]::GetDirectoryName($projectPath))
+  foreach ($testProject in $testProjects) {
+    $coverageReportFile = Join-Path $testCoverageDir "$($testProject.BaseName).coverage.xml"
+    $projectDir = $testProject.DirectoryName
 
     # dotnet commands (xunit, dotcover) must run in same dir as project
     push-location $projectDir
@@ -138,4 +154,4 @@ function Compress-ArtifactsAsZip {
   write-host -foreground blue "Zip artifacts...END`n"
 }
 
-export-modulemember -function Remove-ArtifactsDir, Update-GeneratedCode, Start-Build, Start-Tests, Start-PackNugets, Compress-ArtifactsAsZip
+export-modulemember -function Remove-ArtifactsDir, Update-GeneratedCode, Start-Build, Get-TestProjects, Start-Tests, Start-PackNugets, Compress-ArtifactsAsZip