A sample YAML file for Azure Pipelines to collect and publish code coverage statistics for .NET Core projects.

sample-pipline.yaml

name: $(Date:yyyyMMdd)$(Rev:.r)
trigger:
  batch: true
  branches:
    include:
      - release/*
      - master
      - develop
stages:
  - stage: TestAndBuild
    pool:
      vmImage: "windows-2019"
    displayName: "Test and Build"
    jobs:
      - job: CollectCodeCoverage
        displayName: "Collect Code Coverage"
        steps:
          - task: NuGetToolInstaller@1
            displayName: "Install NuGet"
          - task: PowerShell@2
            displayName: "Install Code Coverage tools"
            inputs:
              targetType: inline
              script: |
                dotnet add package Microsoft.CodeCoverage -v 16.4.0
                dotnet tool install -g dotnet-reportgenerator-globaltool
          - task: Bash@3
            displayName: "Collect"
            inputs:
              targetType: inline
              script: |
                dotnet test --collect "Code Coverage" --results-directory "CodeCoverage"
          - task: PowerShell@2
            displayName: "Convert Code Coverage File"
            inputs:
              targetType: inline
              script: |
                $coverageFile = Get-ChildItem -Recurse CodeCoverage/*.coverage
                ~/.nuget/packages/microsoft.codecoverage/16.4.0/build/netstandard1.0/CodeCoverage/CodeCoverage.exe analyze /output:CodeCoverage/report.xml $coverageFile.FullName
                reportgenerator -reports:CodeCoverage/report.xml -targetdir:CodeCoverage/
          - task: PublishBuildArtifacts@1
            displayName: "Publish coverage results"
            inputs:
              ArtifactName: CodeCoverageResults
              publishLocation: Container
              PathtoPublish: "CodeCoverage"