testing.yml

name: E-Commerce Testing Pipeline

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main, develop]
  schedule:
    # Run nightly tests at 2 AM UTC
    - cron: '0 2 * * *'

env:
  NODE_VERSION: '18'
  CYPRESS_CACHE_FOLDER: ~/.cache/Cypress

jobs:
  # Code Quality and Linting
  quality:
    name: Code Quality
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: 'client/package-lock.json'
      
      - name: Install dependencies
        run: |
          cd client
          npm ci
      
      - name: Run ESLint
        run: |
          cd client
          npm run lint
      
      - name: Type check
        run: |
          cd client
          npm run type-check

  # Unit and Integration Tests
  unit-tests:
    name: Unit & Integration Tests
    runs-on: ubuntu-latest
    strategy:
      matrix:
        test-type: [unit, integration, a11y]
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: 'client/package-lock.json'
      
      - name: Install dependencies
        run: |
          cd client
          npm ci
      
      - name: Run ${{ matrix.test-type }} tests
        run: |
          cd client
          npm run test:${{ matrix.test-type }}
      
      - name: Upload coverage reports
        if: matrix.test-type == 'unit'
        uses: codecov/codecov-action@v3
        with:
          file: ./client/coverage/lcov.info
          flags: unit-tests

  # E2E Tests
  e2e-tests:
    name: E2E Tests
    runs-on: ubuntu-latest
    strategy:
      matrix:
        browser: [chrome, firefox, edge]
        spec: [auth, shopping, cart-checkout]
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: 'client/package-lock.json'
      
      - name: Install dependencies
        run: |
          cd client
          npm ci
      
      - name: Install server dependencies
        run: |
          cd server
          npm ci
      
      - name: Start server
        run: |
          cd server
          npm start &
          sleep 10
      
      - name: Start client
        run: |
          cd client
          npm start &
          sleep 30
      
      - name: Run Cypress tests
        uses: cypress-io/github-action@v6
        with:
          working-directory: client
          spec: cypress/e2e/${{ matrix.spec }}.cy.js
          browser: ${{ matrix.browser }}
          wait-on: 'http://localhost:3000'
          wait-on-timeout: 120
      
      - name: Upload screenshots
        if: failure()
        uses: actions/upload-artifact@v3
        with:
          name: cypress-screenshots-${{ matrix.browser }}-${{ matrix.spec }}
          path: client/cypress/screenshots
      
      - name: Upload videos
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: cypress-videos-${{ matrix.browser }}-${{ matrix.spec }}
          path: client/cypress/videos

  # Performance Testing
  performance:
    name: Performance Tests
    runs-on: ubuntu-latest
    if: github.event_name == 'schedule' || contains(github.event.head_commit.message, '[perf]')
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: 'client/package-lock.json'
      
      - name: Install dependencies
        run: |
          cd client
          npm ci
      
      - name: Build application
        run: |
          cd client
          npm run build
      
      - name: Serve application
        run: |
          cd client
          npx serve -s build -l 3000 &
          sleep 10
      
      - name: Run Lighthouse CI
        uses: treosh/lighthouse-ci-action@v10
        with:
          configPath: './client/lighthouserc.json'
          uploadArtifacts: true
          temporaryPublicStorage: true
      
      - name: Run performance tests
        run: |
          cd client
          npm run test:performance

  # Visual Regression Testing
  visual-tests:
    name: Visual Regression Tests
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: 'client/package-lock.json'
      
      - name: Install dependencies
        run: |
          cd client
          npm ci
      
      - name: Start application
        run: |
          cd client
          npm start &
          sleep 30
      
      - name: Run visual regression tests
        run: |
          cd client
          npx cypress run --spec "cypress/e2e/visual/**/*"
      
      - name: Upload visual diff artifacts
        if: failure()
        uses: actions/upload-artifact@v3
        with:
          name: visual-diffs
          path: client/cypress/screenshots/visual-diffs

  # Security Scanning
  security:
    name: Security Scan
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Run npm audit
        run: |
          cd client
          npm audit --audit-level moderate
      
      - name: Run Snyk to check for vulnerabilities
        uses: snyk/actions/node@master
        env:
          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
        with:
          args: --severity-threshold=high
          command: test

  # Deployment Preview (for PRs)
  deploy-preview:
    name: Deploy Preview
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    needs: [quality, unit-tests]
    steps:
      - uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: 'client/package-lock.json'
      
      - name: Install dependencies
        run: |
          cd client
          npm ci
      
      - name: Build application
        run: |
          cd client
          npm run build
      
      - name: Deploy to Netlify
        uses: nwtgck/actions-netlify@v2.1
        with:
          publish-dir: './client/build'
          production-branch: main
          github-token: ${{ secrets.GITHUB_TOKEN }}
          deploy-message: "Deploy from GitHub Actions"
        env:
          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}

  # Test Results Summary
  test-summary:
    name: Test Summary
    runs-on: ubuntu-latest
    needs: [quality, unit-tests, e2e-tests]
    if: always()
    steps:
      - name: Download test artifacts
        uses: actions/download-artifact@v3
      
      - name: Generate test report
        run: |
          echo "## Test Results Summary" >> $GITHUB_STEP_SUMMARY
          echo "- Quality Checks: ${{ needs.quality.result }}" >> $GITHUB_STEP_SUMMARY
          echo "- Unit Tests: ${{ needs.unit-tests.result }}" >> $GITHUB_STEP_SUMMARY
          echo "- E2E Tests: ${{ needs.e2e-tests.result }}" >> $GITHUB_STEP_SUMMARY
      
      - name: Comment PR
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `## 🧪 Test Results
              
              - **Code Quality**: ${{ needs.quality.result }}
              - **Unit Tests**: ${{ needs.unit-tests.result }}
              - **E2E Tests**: ${{ needs.e2e-tests.result }}
              
              ${context.sha.substring(0, 7)} - View detailed results in the [Actions tab](${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId})`
            })