Исправление ошибок IIS Express в CI с покрытием кода

- script: |
    set CODE_COVERAGE_PATH=C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\Extensions\Microsoft\CodeCoverage\15.0.0\Tools
    set PATH=%CODE_COVERAGE_PATH%;%PATH%
  displayName: 'Set Code Coverage Environment Variables'

# Запустите в скрипте CI для регистрации COM‑компонентов IIS Express
regsvr32 /s "C:\Program Files (x86)\IIS Express\iisexpress.exe"

// В конфигурации теста используйте Kestrel вместо IIS Express
[AssemblyInitialize]
public static void Initialize(TestContext context)
{
    var builder = new WebHostBuilder()
        .UseStartup<Startup>()
        .UseKestrel()
        .UseUrls("http://localhost:5000");
    
    var host = builder.Build();
    host.Start();
}

- task: IISWebAppDeploymentOnMachineGroup@0
  inputs:
    webSiteName: 'Default Web Site'
    package: $(Build.ArtifactStagingDirectory)/drop/*.zip
  displayName: 'Deploy to IIS'

<!-- Пример OpenCover -->
<Target Name="RunTests">
  <Exec Command="OpenCover.Console.exe -register:user -target:vstest.console.exe -targetargs:&quot;IntegrationTests.dll /EnableCodeCoverage&quot; -output:coverage.xml" />
</Target>

<ItemGroup>
  <PackageReference Include="coverlet.collector" Version="6.0.0">
    <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
    <PrivateAssets>all</PrivateAssets>
  </PackageReference>
</ItemGroup>

<RunSettings>
  <DataCollectionRunSettings>
    <DataCollectors>
      <DataCollector friendlyName="Coverlet" 
                    codeCoverageAssemblyPath="coverlet.core.dll">
        <Configuration>
          <Format>opencover</Format>
          <Include>[YourAssemblyName]*</Include>
        </Configuration>
      </DataCollector>
    </DataCollectors>
  </DataCollectionRunSettings>
</RunSettings>

<?xml version="1.0" encoding="utf-8"?>
<RunSettings>
  <DataCollectionRunSettings>
    <DataCollectors>
      <DataCollector friendlyName="Code Coverage" 
                   uri="datacollector://Microsoft/CodeCoverage/2.0"
                   assemblyQualifiedName="Microsoft.VisualStudio.Coverage.DynamicCoverageDataCollector, Microsoft.VisualStudio.TraceCollector, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
        <Configuration>
          <CodeCoverage>
            <!-- Использовать проверяемую инструментацию для лучшей совместимости -->
            <UseVerifiableInstrumentation>true</UseVerifiableInstrumentation>
            <!-- Позволить процессы с низким уровнем целостности (часто в CI) -->
            <AllowLowIntegrityProcesses>true</AllowLowIntegrityProcesses>
            <!-- Собирать данные из дочерних процессов, критичных для IIS Express -->
            <CollectFromChildProcesses>true</CollectFromChildProcesses>
            <!-- При необходимости отключить сбор ASP.NET -->
            <CollectAspDotNet>false</CollectAspDotNet>
            <!-- Добавить конкретные модули для покрытия -->
            <ModulePaths>
              <ModulePath cover="true" path=".*YourAssembly\.dll$"/>
            </ModulePaths>
          </CodeCoverage>
        </Configuration>
      </DataCollector>
    </DataCollectors>
  </DataCollectionRunSettings>
  
  <!-- Настройки выполнения тестов для CI -->
  <TestRunParameters>
    <Parameter name="Environment" value="CI" />
  </TestRunParameters>
</RunSettings>

#if CI
    // Упрощенная настройка тестов для CI
    var builder = new WebHostBuilder()
        .UseStartup<Startup>()
        .UseUrls("http://localhost:5000");
#else
    // Полная настройка IIS Express для локальной разработки
    var builder = new WebHostBuilder()
        .UseStartup<Startup>()
        .UseIISIntegration();
#endif

trigger:
- main

pool:
  vmImage: 'windows-latest'

variables:
  solution: '**/*.sln'
  buildPlatform: 'x64'
  buildConfiguration: 'Release'

steps:
- task: NuGetToolInstaller@1
  displayName: 'Install NuGet'

- task: NuGetCommand@2
  inputs:
    restoreSolution: '$(solution)'
  displayName: 'NuGet restore'

- task: VSBuild@1
  inputs:
    solution: '$(solution)'
    msbuildArgs: '/p:DeployOnBuild=true /p:WebPublishMethod=Package /p:PackageAsSingleFile=true /p:SkipInvalidConfigurations=true /p:PackageLocation="$(build.artifactStagingDirectory)"'
    platform: '$(buildPlatform)'
    configuration: '$(buildConfiguration)'
  displayName: 'Build solution'

- task: CopyFiles@2
  inputs:
    SourceFolder: '$(ProgramFiles(x86))\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\Extensions\Microsoft\CodeCoverage\15.0.0\Tools'
    Contents: 'Microsoft.VisualStudio.CodeCoverage.Shim.dll'
    TargetFolder: '$(Build.SourcesDirectory)\tools'
  displayName: 'Copy Shim DLL'

- script: |
    regsvr32 /s "C:\Program Files (x86)\IIS Express\iisexpress.exe"
    set CODE_COVERAGE_PATH=$(Build.SourcesDirectory)\tools
    set PATH=$(CODE_COVERAGE_PATH);%PATH%
  displayName: 'Register COM Components and Set Environment'

- task: VSTest@2
  inputs:
    testAssemblyVer2: |
      **\IntegrationTests.dll
    searchFolder: '$(Build.SourcesDirectory)'
    vsTestVersion: 'toolsVersion'
    platform: '$(buildPlatform)'
    configuration: '$(buildConfiguration)'
    codeCoverageEnabled: true
    runSettingsFile: 'codecoverage.runsettings'
    testFiltercriteria: 'TestCategory!=Integration || TestName~*Fast*'
    overrideTestrunParameters: |
      -TestEnvironment="CI"
  displayName: 'Run integration tests with coverage'

name: CI Pipeline

on:
  push:
    branches: [ main ]

jobs:
  build:
    runs-on: windows-latest
    
    steps:
    - uses: actions/checkout@v3
    
    - name: Setup MSBuild
      uses: microsoft/setup-msbuild@v1.1
      
    - name: Install dependencies
      run: nuget restore MySolution.sln
      
    - name: Build solution
      run: msbuild MySolution.sln -p:Configuration=Release
      
    - name: Copy Shim DLL
      run: |
        mkdir -p tools
        copy "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\Extensions\Microsoft\CodeCoverage\15.0.0\Tools\Microsoft.VisualStudio.CodeCoverage.Shim.dll" tools/
        
    - name: Register COM and Setup Environment
      run: |
        regsvr32 /s "C:\Program Files (x86)\IIS Express\iisexpress.exe"
        set CODE_COVERAGE_PATH=%CD%\tools
        set PATH=%CODE_COVERAGE_PATH%;%PATH%
        
    - name: Run tests with coverage
      run: vstest.console.exe IntegrationTests.dll /EnableCodeCoverage /logger:trx
      env:
        CODE_COVERAGE_PATH: %CD%\tools

// Подход к интеграционным тестам .NET Core
[Fact]
public async Task WebApiIntegrationTest()
{
    // Используйте TestServer вместо IIS Express
    using var factory = new WebApplicationFactory<Startup>();
    using var client = factory.CreateClient();
    
    var response = await client.GetAsync("/api/values");
    response.EnsureSuccessStatusCode();
    
    var content = await response.Content.ReadAsStringAsync();
    Assert.Contains("Test", content);
}

FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build
WORKDIR /src
COPY . .
RUN dotnet restore MySolution.sln
RUN dotnet build MySolution.sln --configuration Release

FROM build AS test
WORKDIR /src
COPY --from=build /src .
RUN dotnet test MySolution.sln --configuration Release --collect:"XPlat Code Coverage"

// Используйте TestServer для тестов, похожих на unit‑тесты
[Fact]
public async Task TestWebApiEndpoint()
{
    var webHostBuilder = new WebHostBuilder()
        .UseStartup<Startup>()
        .UseUrls("http://localhost:5000");
    
    using var server = new TestServer(webHostBuilder);
    using var client = server.CreateClient();
    
    var response = await client.GetAsync("/api/values");
    Assert.Equal(HttpStatusCode.OK, response.StatusCode);
}