ci.yml

name: CI

on:
  pull_request:
    branches: [ main ]
  push:
    branches: [ main ]
  workflow_dispatch:

env:
  DOTNET_VERSION: '10.0.x'

permissions:
  contents: read

jobs:
  performance:
    name: Isolated concurrency comparison
    if: github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    timeout-minutes: 30
    env:
      BASELINE_REF: '705b47da12e41fa22aebc3049819c9efd2b605f8'
      TEST_PROJECT: 'ManagedCode.Orleans.RateLimiting.Tests/ManagedCode.Orleans.RateLimiting.Tests.csproj'
      RATE_LIMIT_PERFORMANCE_ALGORITHM: 'concurrency'
      RATE_LIMIT_PERFORMANCE_WARM_WORKLOAD: 'true'
    steps:
      - name: Checkout
        uses: actions/checkout@v7.0.1
        with:
          fetch-depth: 0

      - name: Setup .NET
        uses: actions/setup-dotnet@v6.0.0
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}

      - name: Prepare identical baseline harness
        run: |
          baseline_dir="$RUNNER_TEMP/rate-baseline"
          mkdir -p "$baseline_dir"
          git archive "$BASELINE_REF" | tar -x -C "$baseline_dir"
          cp -R ManagedCode.Orleans.RateLimiting.Tests/Performance "$baseline_dir/ManagedCode.Orleans.RateLimiting.Tests/Performance"
          printf 'Baseline: %s; updated: %s. All samples run serially on this runner.\n' "$BASELINE_REF" "$GITHUB_SHA" >> "$GITHUB_STEP_SUMMARY"

      - name: Build baseline
        working-directory: ${{ runner.temp }}/rate-baseline
        run: dotnet build "$TEST_PROJECT" -c Release -p:RunPerformanceTests=true

      - name: Build updated
        run: dotnet build "$TEST_PROJECT" -c Release -p:RunPerformanceTests=true

      - name: Compare warmed workloads in ABBA order
        run: |
          sample=0
          for version in baseline updated updated baseline; do
            source_dir="$GITHUB_WORKSPACE"
            if [ "$version" = baseline ]; then source_dir="$RUNNER_TEMP/rate-baseline"; fi
            for caller_token in false true; do
              export RATE_LIMIT_PERFORMANCE_CALLER_TOKEN="$caller_token"
              export RATE_LIMIT_PERFORMANCE_OUTPUT="$GITHUB_WORKSPACE/artifacts/performance/$sample-$version-$caller_token.json"
              dotnet test --project "$source_dir/$TEST_PROJECT" -c Release --no-build -p:RunPerformanceTests=true --treenode-filter '/*/*/PerformanceBenchmarkTests/*'
            done
            sample=$((sample + 1))
          done

      - name: Summarize paired measurements
        run: python3 scripts/summarize-performance.py artifacts/performance >> "$GITHUB_STEP_SUMMARY"

      - name: Upload every measurement
        if: always()
        uses: actions/upload-artifact@v7.0.1
        with:
          name: performance-comparison
          path: artifacts/performance/**
          retention-days: 30

  build-and-test:
    name: Build, Test, and Coverage
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v7.0.1

      - name: Setup .NET
        uses: actions/setup-dotnet@v6.0.0
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}

      - name: Restore local tools
        run: dotnet tool restore

      - name: Restore
        run: dotnet restore ManagedCode.Orleans.RateLimiting.sln

      - name: Build
        run: dotnet build ManagedCode.Orleans.RateLimiting.sln --configuration Release --no-restore

      - name: Analyze
        run: dotnet build ManagedCode.Orleans.RateLimiting.sln --configuration Release --no-restore -p:RunAnalyzers=true

      - name: Validate package compatibility
        run: dotnet pack ManagedCode.Orleans.RateLimiting.sln --configuration Release --no-build

      - name: Verify formatting
        run: dotnet format ManagedCode.Orleans.RateLimiting.sln --verify-no-changes

      - name: Test
        run: dotnet test --solution ManagedCode.Orleans.RateLimiting.sln --configuration Release --no-build --verbosity normal --report-trx --results-directory ./artifacts/test-results

      - name: Map deterministic coverage source paths
        run: |
          mkdir -p artifacts/coverage
          printf '|%s/=/_/\n' "$GITHUB_WORKSPACE" > artifacts/coverage/SourceRootsMapping.txt

      - name: Collect coverage
        run: dotnet tool run coverlet ManagedCode.Orleans.RateLimiting.Tests/bin/Release/net10.0/ManagedCode.Orleans.RateLimiting.Tests.dll --target "dotnet" --targetargs "test --project ManagedCode.Orleans.RateLimiting.Tests/ManagedCode.Orleans.RateLimiting.Tests.csproj --configuration Release --no-build --no-restore" --source-mapping-file artifacts/coverage/SourceRootsMapping.txt --format cobertura --output artifacts/coverage/coverage.cobertura.xml --exclude "[ManagedCode.Orleans.RateLimiting.Tests]*" --threshold 85 --threshold-type line --threshold-stat total

      - name: Render coverage report
        run: dotnet tool run reportgenerator -reports:"artifacts/coverage/coverage.cobertura.xml" -targetdir:"artifacts/coverage-report" -reporttypes:"HtmlSummary;MarkdownSummaryGithub"

      - name: Upload test artifacts
        if: always()
        uses: actions/upload-artifact@v7.0.1
        with:
          name: test-results
          path: ./artifacts/test-results/**
          retention-days: 5

      - name: Upload coverage artifacts
        if: always()
        uses: actions/upload-artifact@v7.0.1
        with:
          name: coverage-report
          path: |
            ./artifacts/coverage/**
            ./artifacts/coverage-report/**
          retention-days: 5

      - name: Upload coverage reports to Codecov
        uses: codecov/codecov-action@v7.0.0
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: ./artifacts/coverage/coverage.cobertura.xml
          fail_ci_if_error: false