coverage.yml

name: Coverage Report

on:
  pull_request:
    branches: [main, develop]
  push:
    branches: [main, develop]

permissions:
  contents: read
  pull-requests: write

jobs:
  coverage:
    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup-stackwright
        with:
          build: true

      - name: Run tests with coverage
        run: pnpm test:coverage
        continue-on-error: true

      - name: Upload coverage reports
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report
          path: |
            coverage/
            packages/*/coverage/
          retention-days: 30

      - name: Display coverage summary
        if: always()
        run: |
          if [ -f coverage/merged/coverage-summary.json ]; then
            echo "📊 Coverage Report Generated!"
            echo "View the HTML report in the uploaded artifacts."
            cat coverage/merged/coverage-summary.json | head -50
          else
            echo "⚠️ No merged coverage report found"
          fi

      - name: Comment PR with coverage
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v9
        continue-on-error: true
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const fs = require('fs');
            const path = 'coverage/merged/coverage-summary.json';
            
            if (!fs.existsSync(path)) {
              console.log('No coverage summary found');
              return;
            }
            
            const coverage = JSON.parse(fs.readFileSync(path, 'utf8'));
            const { totals, byPackage } = coverage;
            
            const formatPct = (pct) => pct.toFixed(2) + '%';
            const getEmoji = (pct) => pct >= 80 ? '✅' : pct >= 60 ? '⚠️' : '❌';
            
            let comment = '## 🧪 Coverage Report\\n\\n';
            comment += '### Overall Coverage\\n\\n';
            comment += `| Metric | Coverage |\\n`;
            comment += `|--------|----------|\\n`;
            comment += `| Lines | ${getEmoji(totals.lines.pct)} ${formatPct(totals.lines.pct)} |\\n`;
            comment += `| Statements | ${getEmoji(totals.statements.pct)} ${formatPct(totals.statements.pct)} |\\n`;
            comment += `| Functions | ${getEmoji(totals.functions.pct)} ${formatPct(totals.functions.pct)} |\\n`;
            comment += `| Branches | ${getEmoji(totals.branches.pct)} ${formatPct(totals.branches.pct)} |\\n`;
            
            comment += '\\n### Coverage by Package\\n\\n';
            comment += `| Package | Lines | Statements | Functions | Branches |\\n`;
            comment += `|---------|-------|-----------|-----------|----------|\\n`;
            
            Object.entries(byPackage)
              .sort(([a], [b]) => a.localeCompare(b))
              .forEach(([pkg, data]) => {
                comment += `| @stackwright/${pkg} | ${formatPct(data.lines.pct)} | ${formatPct(data.statements.pct)} | ${formatPct(data.functions.pct)} | ${formatPct(data.branches.pct)} |\\n`;
              });
            
            comment += '\\n---\\n';
            comment += '📊 Full HTML report available in workflow artifacts\\n';
            
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: comment
            });