ruby.yml

name: CI

on: [ push, pull_request ]

jobs:
  test:
    name: 'Tests (Group ${{ matrix.ci_node_index }})'
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        ci_node_total: [6]
        ci_node_index: [0, 1, 2, 3, 4, 5]

    env:
      # prevent unnecessary log output -- https://bundler.io/man/bundle-config.1.html
      BUNDLE_IGNORE_FUNDING_REQUESTS: true
      BUNDLE_IGNORE_MESSAGES: true
      RAILS_ENV: test
      COVERAGE: true
      PARALLEL_TEST_PROCESSORS: ${{ matrix.ci_node_total }}
    services:
      postgres:
        image: postgres:17
        ports: ["5432:5432"]
        env:
          POSTGRES_PASSWORD: postgres
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

    steps:
    - name: Checkout code
      uses: actions/checkout@v6

    - name: Set up Ruby
      uses: ruby/setup-ruby@v1
      with:
        # .ruby-version provides the Ruby version implicitly.
        bundler-cache: true

    - name: Cache Playwright browsers
      uses: actions/cache@v5
      id: playwright-cache
      with:
        path: ~/.cache/ms-playwright
        key: playwright-${{ runner.os }}-1.59.0

    - name: Install Playwright browsers (cache miss)
      if: steps.playwright-cache.outputs.cache-hit != 'true'
      run: npx --yes playwright@1.59.0 install --with-deps chromium

    - name: Install Playwright system deps (cache hit)
      if: steps.playwright-cache.outputs.cache-hit == 'true'
      run: npx --yes playwright@1.59.0 install-deps chromium

    - name: Setup test databases
      env:
        DATABASE_URL: postgres://postgres:postgres@localhost:5432
      run: |
        bundle exec rake parallel:setup

    - name: Run tests in parallel
      env:
        DATABASE_URL: postgres://postgres:postgres@localhost:5432
        CI_NODE_INDEX: ${{ matrix.ci_node_index }}
        RAILS_ENV: test
        PLAYWRIGHT_HEADLESS: true    
      run: |
        bundle exec parallel_rspec spec/ \
          -n ${{ matrix.ci_node_total }} \
          --only-group ${{ matrix.ci_node_index }}

    - name: Preserve coverage results
      run: |
        # Copy resultset immediately after tests complete to prevent deletion
        cp coverage/.resultset.json coverage/resultset-${{ matrix.ci_node_index }}.json

    - name: Upload coverage artifacts
      uses: actions/upload-artifact@v7
      with:
        name: coverage-${{ matrix.ci_node_index }}
        path: coverage/resultset-${{ matrix.ci_node_index }}.json
        retention-days: 1

  coverage:
    name: 'Report Coverage'
    runs-on: ubuntu-latest
    needs: test
    steps:
    - name: Checkout code
      uses: actions/checkout@v6

    - name: Set up Ruby
      uses: ruby/setup-ruby@v1
      with:
        bundler-cache: true

    - name: Download all coverage artifacts
      uses: actions/download-artifact@v8
      with:
        path: coverage-results

    - name: Merge coverage results
      run: |
        mkdir -p coverage
        bundle exec ruby -e '
          require "json"
          require "simplecov"

          resultsets = {}
          Dir["coverage-results/coverage-*/resultset-*.json"].each do |file|
            data = JSON.parse(File.read(file))
            resultsets.merge!(data)
          end

          File.write("coverage/.resultset.json", JSON.generate(resultsets))
        '

    - name: Report to Coveralls
      continue-on-error: true
      uses: coverallsapp/github-action@v2
      with:
        github-token: ${{ secrets.github_token }}