coverage.yml

name: Coverage Tests

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: write

jobs:
  test-and-badge:
    name: Run Tests & Update Badge
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v5

      - name: Setup Node 22
        uses: actions/setup-node@v6
        with:
          node-version: 22
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Run tests with JSON reporter
        id: test
        run: |
          # Run tests and capture output
          npm run test -- --reporter=json --reporter=default --outputFile=test-results.json || true

          # Check if test results file exists
          if [ ! -f test-results.json ]; then
            echo "Test results file not found, creating fallback"
            echo '{"numTotalTests": 0, "numPassedTests": 0}' > test-results.json
          fi

          # Parse test results
          TOTAL=$(node -p "try { const r = require('./test-results.json'); r.numTotalTests || 0 } catch(e) { 0 }")
          PASSED=$(node -p "try { const r = require('./test-results.json'); r.numPassedTests || 0 } catch(e) { 0 }")

          echo "total=$TOTAL" >> $GITHUB_OUTPUT
          echo "passed=$PASSED" >> $GITHUB_OUTPUT

          # Determine color based on pass rate
          if [ "$TOTAL" -eq 0 ]; then
            COLOR="lightgrey"
          elif [ "$PASSED" -eq "$TOTAL" ]; then
            COLOR="brightgreen"
          elif [ "$PASSED" -ge $((TOTAL * 80 / 100)) ]; then
            COLOR="green"
          elif [ "$PASSED" -ge $((TOTAL * 60 / 100)) ]; then
            COLOR="yellow"
          else
            COLOR="red"
          fi

          echo "color=$COLOR" >> $GITHUB_OUTPUT

          echo "### 🧪 Test Results" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Passed:** $PASSED / $TOTAL" >> $GITHUB_STEP_SUMMARY
          echo "**Status:** $COLOR" >> $GITHUB_STEP_SUMMARY

      - name: Generate badge data
        run: |
          mkdir -p .github/badges
          cat > .github/badges/coverage-tests.json << EOF
          {
            "schemaVersion": 1,
            "label": "Coverage",
            "message": "${{ steps.test.outputs.passed }} / ${{ steps.test.outputs.total }} tests",
            "color": "${{ steps.test.outputs.color }}"
          }
          EOF

      - name: Commit badge data
        if: github.ref == 'refs/heads/main' && github.event_name == 'push'
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add .github/badges/coverage-tests.json
          git diff --staged --quiet || git commit -m "Update test badge [skip ci]"
          git push

      - name: Upload test results
        if: always()
        uses: actions/upload-artifact@v5
        with:
          name: test-results
          path: |
            test-results.json
            .github/badges/coverage-tests.json
          retention-days: 30