(chore): migrate tests to MTP

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.2.2] - 2026-08-16
+
+### Changed
+- **Tests:** migrate to **xunit.v3** **4.0.0** + **Microsoft Testing Platform** only (`src/global.json` `test.runner`; no VSTest / **coverlet.collector** / **Microsoft.NET.Test.Sdk** / **xunit.runner.visualstudio**). Use **coverlet.MTP**; **TestRunner** always uses `--coverlet`.
+- Package version **2.2.2**.
+
 ## [2.2.1] - 2026-08-14
 
 ### Changed

CONTRIBUTING.md

@@ -35,6 +35,8 @@ pwsh -File .\utils\engines\test\Invoke-TestEngine.ps1
 
 Or double-click `utils\Invoke-TestEngine.bat`.
 
+Tests run under **Microsoft Testing Platform** (`src/global.json` `test.runner`) with **xunit.v3** and **coverlet.MTP**.
+
 Quick local run:
 
 ```bash

README.md

@@ -1,8 +1,8 @@
 # MaksIT.Dapr
 
-![Line Coverage](https://img.shields.io/badge/Line%20Coverage-41.9%25-yellowgreen)
+![Line Coverage](https://img.shields.io/badge/Line%20Coverage-41.8%25-yellowgreen)
-![Branch Coverage](https://img.shields.io/badge/Branch%20Coverage-40.7%25-yellowgreen)
+![Branch Coverage](https://img.shields.io/badge/Branch%20Coverage-40.9%25-yellowgreen)
-![Method Coverage](https://img.shields.io/badge/Method%20Coverage-59.5%25-yellowgreen)
+![Method Coverage](https://img.shields.io/badge/Method%20Coverage-58.9%25-yellowgreen)
 
 NuGet facade over [Dapr](https://dapr.io/) for ASP.NET Core: pub/sub, state, invocation, bindings, secrets, configuration, cryptography, sidecar, lock, HA work leases, actors, and workflows — all with `MaksIT.Results` outcomes.
 
@@ -76,7 +76,7 @@ dotnet add package MaksIT.Dapr
 Or in your `.csproj`:
 
 ```xml
-<PackageReference Include="MaksIT.Dapr" Version="2.2.1" />
+<PackageReference Include="MaksIT.Dapr" Version="2.2.2" />
 ```
 
 ## Registering services

src/MaksIT.Dapr.Tests/MaksIT.Dapr.Tests.csproj

@@ -5,18 +5,16 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+    <OutputType>Exe</OutputType>
+    <UseMicrosoftTestingPlatformRunner>true</UseMicrosoftTestingPlatformRunner>
     <NoWarn>$(NoWarn);xUnit1051</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="10.0.1">
+    <PackageReference Include="coverlet.MTP" Version="10.0.1" />
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="Moq" Version="4.*" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.*" />
+    <PackageReference Include="xunit.v3" Version="4.0.0" />
-    <PackageReference Include="xunit.v3" Version="3.*" />
   </ItemGroup>
 
   <ItemGroup>

src/MaksIT.Dapr/MaksIT.Dapr.csproj

@@ -8,7 +8,7 @@
 
     <!-- NuGet package metadata -->
     <PackageId>MaksIT.Dapr</PackageId>
-    <Version>2.2.1</Version>
+    <Version>2.2.2</Version>
     <Authors>Maksym Sadovnychyy</Authors>
     <Company>MAKS-IT</Company>
     <Product>MaksIT.Dapr</Product>

src/global.json

@@ -0,0 +1,5 @@
+{
+  "test": {
+    "runner": "Microsoft.Testing.Platform"
+  }
+}

utils/modules/TestRunner.psm1

@@ -7,7 +7,7 @@
 
 .DESCRIPTION
     Provides the Invoke-TestsWithCoverage function for running .NET tests
-    with Coverlet code coverage collection and parsing results.
+    with Microsoft.Testing.Platform and coverlet.MTP code coverage.
 
 .NOTES
     Author: MaksIT
@@ -65,6 +65,20 @@ function Write-TestRunnerLogInternal {
     Write-Host $Message -ForegroundColor Gray
 }
 
+function Get-CoberturaCoverageFiles {
+    param(
+        [Parameter(Mandatory = $true)]
+        [string]$ResultsDirectory
+    )
+
+    # coverlet.MTP: [prefix.]coverage.cobertura[.timestamp].xml
+    $files = @(
+        Get-ChildItem -Path $ResultsDirectory -Recurse -File -ErrorAction SilentlyContinue |
+            Where-Object { $_.Name -like '*coverage.cobertura*.xml' }
+    )
+    return @($files | Sort-Object FullName -Unique)
+}
+
 function Invoke-TestsWithCoverage {
     <#
     .SYNOPSIS
@@ -155,7 +169,7 @@ function Invoke-TestsWithCoverage {
     New-Item -ItemType Directory -Path $ResultsDir -Force | Out-Null
 
     if (-not $Silent) {
-        Write-TestRunnerLogInternal -Level "STEP" -Message "Running tests with code coverage..."
+        Write-TestRunnerLogInternal -Level "STEP" -Message "Running tests with code coverage (Microsoft.Testing.Platform / coverlet.MTP)..."
         foreach ($d in $resolvedProjectDirs) {
             Write-TestRunnerLogInternal -Level "INFO" -Message "Test Project: $d"
         }
@@ -164,11 +178,15 @@ function Invoke-TestsWithCoverage {
     foreach ($TestProjectDir in $resolvedProjectDirs) {
         Push-Location $TestProjectDir
         try {
+            $projectName = [System.IO.Path]::GetFileName($TestProjectDir)
             $dotnetArgs = @(
                 "test"
-                "--collect:XPlat Code Coverage"
                 "--results-directory", $ResultsDir
                 "--verbosity", $(if ($Silent) { "quiet" } else { "normal" })
+                "--coverlet"
+                "--coverlet-output-format", "cobertura"
+                "--coverlet-file-prefix", $projectName
+                "--coverlet-include", "[MaksIT.*]*"
             )
 
             Import-ExternalCommandSupportInternal
@@ -192,7 +210,7 @@ function Invoke-TestsWithCoverage {
         }
     }
 
-    $coverageFiles = @(Get-ChildItem -Path $ResultsDir -Filter "coverage.cobertura.xml" -Recurse | Sort-Object FullName)
+    $coverageFiles = @(Get-CoberturaCoverageFiles -ResultsDirectory $ResultsDir)
 
     if ($coverageFiles.Count -eq 0) {
         return [PSCustomObject]@{
@@ -455,7 +473,7 @@ function Get-DotNetCoverageFromResultsDirectory {
         [switch]$Silent
     )
 
-    $coverageFiles = @(Get-ChildItem -Path $ResultsDirectory -Filter 'coverage.cobertura.xml' -Recurse -ErrorAction SilentlyContinue | Sort-Object FullName)
+    $coverageFiles = @(Get-CoberturaCoverageFiles -ResultsDirectory $ResultsDirectory)
     if ($coverageFiles.Count -eq 0) {
         return [PSCustomObject]@{
             Success = $false
@@ -566,7 +584,7 @@ function Get-CoverageFromResultsDirectory {
         }
     }
 
-    $hasDotNet = @(Get-ChildItem -Path $resolvedDirectory -Filter 'coverage.cobertura.xml' -Recurse -ErrorAction SilentlyContinue).Count -gt 0
+    $hasDotNet = @(Get-CoberturaCoverageFiles -ResultsDirectory $resolvedDirectory).Count -gt 0
     $jestSummary = Join-Path $resolvedDirectory 'coverage-summary.json'
     $hasNpm = Test-Path -LiteralPath $jestSummary -PathType Leaf