Mediator/.github/workflows/ci.yml at main · DSoftStudio/Mediator · GitHub

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name: CI

on:
  push:
    branches: [ main ]
    tags: [ 'v*' ]
  pull_request:
    branches: [ main ]

# Read-only at workflow level. The one job below asks for the write it needs,
# so a job added later starts from nothing rather than inheriting it.
permissions:
  contents: read

jobs:

  # ════════════════════════════════════════════════════════════════════
  #  Build, test, pack
  #
  #  This workflow never publishes. It builds, runs every test, and leaves
  #  the packages as an artifact you can download and inspect. Releasing is
  #  a separate, manually triggered workflow — see publish.yml.
  # ════════════════════════════════════════════════════════════════════
  build-and-test:
    name: Build & Test
    runs-on: ubuntu-latest

    permissions:
      contents: read
      # Only for the sticky coverage comment on pull requests.
      pull-requests: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup .NET 10
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: '10.0.x'

      # .NET 8 is needed by the sample projects
      - name: Setup .NET 8
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: '8.0.x'

      - name: Restore
        run: dotnet restore DSoftStudio.Mediator.slnx

      - name: Build
        run: dotnet build DSoftStudio.Mediator.slnx -c Release --no-restore

      # Run EVERY test project in the solution in one shot. `dotnet test` on the
      # solution discovers all test projects (and skips non-test ones), so a newly
      # added test project is covered automatically — no need to edit this workflow
      # (the old hand-listed steps silently skipped ModularMonolith.Tests). Coverage
      # is collected per project and MERGED below into a single accurate report.
      - name: Test
        run: >
          dotnet test DSoftStudio.Mediator.slnx
          -c Release
          --no-build
          --logger "trx"
          --collect:"XPlat Code Coverage"

      # ── Artifacts (always uploaded, even on failure) ──
      - name: Upload test results
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: test-results
          path: tests/**/TestResults/**/*.trx

      - name: Upload coverage
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: coverage
          path: tests/**/TestResults/**/coverage.cobertura.xml

      # MERGE all per-project coverage files into ONE report before summarizing.
      # Each test project emits its own coverage.cobertura.xml covering the SAME
      # assemblies only in the slice it exercises; feeding the raw glob to a summary
      # lists each assembly N times with different numbers (the misleading "34%").
      # ReportGenerator unions them, so every assembly shows its real combined
      # coverage exactly once.
      - name: Merge coverage reports
        if: github.event_name == 'pull_request'
        uses: danielpalme/ReportGenerator-GitHub-Action@049f7ec958c672fd31d5cc1cb01622dc8d2e23ab # v5.5.10
        with:
          reports: 'tests/**/TestResults/**/coverage.cobertura.xml'
          targetdir: 'coverage'
          reporttypes: 'Cobertura;MarkdownSummaryGithub'

      - name: Add coverage to PR
        if: github.event_name == 'pull_request'
        uses: marocchino/sticky-pull-request-comment@773744901bac0e8cbb5a0dc842800d45e9b2b405 # v2
        with:
          path: coverage/SummaryGithub.md

      # ── Pack (only on main/tag, and only if all tests passed) ──
      #
      # Packing is NOT publishing. These .nupkg files are uploaded as a build
      # artifact so you can download and inspect exactly what a release would
      # contain, and nothing pushes them anywhere. Publication lives in
      # publish.yml and runs only when someone presses "Run workflow".
      - name: Pack NuGet packages
        if: github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v')
        run: |
          mkdir -p nupkgs
          dotnet pack src/DSoftStudio.Mediator.Abstractions -c Release --no-build -o nupkgs
          dotnet pack src/DSoftStudio.Mediator -c Release --no-build -o nupkgs
          dotnet pack src/DSoftStudio.Mediator.FluentValidation -c Release --no-build -o nupkgs
          dotnet pack src/DSoftStudio.Mediator.HybridCache -c Release --no-build -o nupkgs
          dotnet pack src/DSoftStudio.Mediator.OpenTelemetry -c Release --no-build -o nupkgs

      - name: Upload NuGet packages
        if: github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v')
        uses: actions/upload-artifact@v4
        with:
          name: nupkgs
          path: nupkgs/*