test.yml

name: Test
on: [push, pull_request]
jobs:
  Setup:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [18.x]
    steps:
      - uses: actions/checkout@v4
      - name: Setup Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4.1.0
        with:
          node-version: ${{ matrix.node-version }}
      - name: Node.js modules cache
        uses: actions/cache@v4
        id: modules-cache
        with:
          path: |
            ~/.cache/Cypress
            ${{ github.workspace }}/node_modules
            ${{ github.workspace }}/backend/node_modules
            ${{ github.workspace }}/frontend/node_modules
          key: ${{ runner.os }}-${{ matrix.node-version }}-modules-${{ hashFiles('**/package-lock.json') }}
      - name: Install dependencies
        if: steps.modules-cache.outputs.cache-hit != 'true'
        run: npm install
      - name: Check for uncomitted changes
        run: git diff --exit-code

  Lint:
    needs: Setup
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Restore cache
        uses: actions/cache@v4
        with:
          path: |
            ~/.cache/Cypress
            ${{ github.workspace }}/node_modules
            ${{ github.workspace }}/backend/node_modules
            ${{ github.workspace }}/frontend/node_modules
          key: ${{ runner.os }}-18.x-modules-${{ hashFiles('**/package-lock.json') }}
      - name: Run linting and formatting checks
        run: npm run test:lint

  Unit-Tests:
    needs: Setup
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Restore cache
        uses: actions/cache@v4
        with:
          path: |
            ~/.cache/Cypress
            ${{ github.workspace }}/node_modules
            ${{ github.workspace }}/backend/node_modules
            ${{ github.workspace }}/frontend/node_modules
          key: ${{ runner.os }}-18.x-modules-${{ hashFiles('**/package-lock.json') }}
      - name: Run backend unit tests with coverage
        run: |
          npm run test:backend:unit-coverage
          mkdir -p ./backend/coverage
          if [ -d "./backend/jest-coverage" ]; then
            cp -R ./backend/jest-coverage/* ./backend/coverage/
          elif [ -d "./jest-coverage" ]; then
            cp -R ./jest-coverage/* ./backend/coverage/
          fi
      - name: Cleanup backend interim artifacts
        run: |
          rm -rf ./backend/jest-coverage
          rm -rf ./jest-coverage
      - name: Run frontend unit tests with coverage
        run: |
          npm run test:frontend:unit-coverage
          mkdir -p ./frontend/coverage
          if [ -d "./frontend/jest-coverage" ]; then
            cp -R ./frontend/jest-coverage/* ./frontend/coverage/
          elif [ -d "./jest-coverage" ]; then
            cp -R ./jest-coverage/* ./frontend/coverage/
          fi
      - name: Cleanup frontend interim artifacts
        run: |
          rm -rf ./frontend/jest-coverage
          rm -rf ./jest-coverage
      - name: Upload frontend unit test coverage
        uses: actions/upload-artifact@v4
        with:
          name: unit-coverage
          path: ./frontend/coverage
          if-no-files-found: error
      - name: Upload backend unit test coverage
        uses: actions/upload-artifact@v4
        with:
          name: backend-coverage
          path: ./backend/coverage
          if-no-files-found: warn

  Get-Test-Groups:
    runs-on: ubuntu-latest
    outputs:
      test-groups: ${{ steps.set-groups.outputs.test-groups }}
    steps:
      - uses: actions/checkout@v4
      - id: set-groups
        shell: bash
        run: |
          set -x  # Enable debug mode to see each command
          
          echo "Checking directory structure..."
          ls -la frontend/src/__tests__/cypress/cypress/tests/ || echo "Base test directory not found"
          
          if [ -d "frontend/src/__tests__/cypress/cypress/tests/mocked" ]; then
            echo "Found mocked tests directory"
            
            # Get directories and create JSON array - force compact output with -c
            DIRS=$(cd frontend/src/__tests__/cypress/cypress/tests/mocked && \
                  find . -maxdepth 1 -mindepth 1 -type d -printf "%f\n" | \
                  jq -R . | jq -c -s .)
            
            # Output in the correct format for GitHub Actions
            echo "test-groups=$DIRS" >> "$GITHUB_OUTPUT"
            
            echo "Generated test groups:"
            cat "$GITHUB_OUTPUT"
          else
            echo "No mocked tests directory found, using default"
            echo "test-groups=[\"default\"]" >> "$GITHUB_OUTPUT"
          fi

  Cypress-Mock-Tests:
    needs: [Setup, Get-Test-Groups, Unit-Tests, Lint]
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        test-group: ${{ fromJson(needs.Get-Test-Groups.outputs.test-groups) }}
    steps:
      - uses: actions/checkout@v4
      - name: Restore cache
        uses: actions/cache@v4
        with:
          path: |
            ~/.cache/Cypress
            ${{ github.workspace }}/node_modules
            ${{ github.workspace }}/backend/node_modules
            ${{ github.workspace }}/frontend/node_modules
          key: ${{ runner.os }}-18.x-modules-${{ hashFiles('**/package-lock.json') }}
      - name: Run Cypress Mock tests
        run: |
          if [ "${{ matrix.test-group }}" == "default" ]; then
            npm run test:cypress-ci:coverage
          else
            npm run test:cypress-ci:coverage -- --spec "src/__tests__/cypress/cypress/tests/mocked/${{ matrix.test-group }}/**/*"
          fi
        working-directory: ./frontend
      - name: Upload Cypress Mock results
        uses: actions/upload-artifact@v4
        with:
          name: cypress-results-${{ matrix.test-group }}
          path: ./frontend/src/__tests__/cypress/results/mocked
      - name: Upload Cypress coverage
        uses: actions/upload-artifact@v4
        with:
          name: cypress-coverage-${{ matrix.test-group }}
          path: ./frontend/src/__tests__/cypress/coverage

  Combine-Results-and-Upload:
    needs: [Unit-Tests, Cypress-Mock-Tests] 
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: all-artifacts
      - name: Install dependencies
        run: npm install nyc --no-save
      - name: Combine coverage reports
        run: |
          mkdir -p ./coverage
          cp all-artifacts/unit-coverage/coverage-final.json ./coverage/unit-coverage-final.json || true
          [ -f all-artifacts/backend-coverage/coverage-final.json ] && cp all-artifacts/backend-coverage/coverage-final.json ./coverage/backend-coverage-final.json || true
          find all-artifacts -name "cypress-coverage-*" -type d | while read dir; do
          group_name=$(basename "$dir")
          cp "$dir/coverage-final.json" "./coverage/${group_name}-coverage-final.json" || true
          done
          echo "Combined coverage files:"
          ls -R ./coverage
      - name: Merge coverage reports
        run: |
          npx nyc merge ./coverage ./coverage/merged-coverage.json
          echo "Cleaning up merged coverage file..."
          jq 'del(.[] | select(.statementMap == {}))' ./coverage/merged-coverage.json > ./coverage/cleaned-coverage.json
          mv ./coverage/cleaned-coverage.json ./coverage/merged-coverage.json
      - name: Generate coverage report
        run: |
          mkdir -p ./coverage/report
          npx nyc report --reporter=html --reporter=text-summary --temp-directory ./coverage -t ./coverage --report-dir ./coverage/report
          cp ./coverage/unit-coverage-final.json ./coverage/combined-coverage-final.json || true
      - name: Upload combined results
        uses: actions/upload-artifact@v4
        with:
          name: combined-coverage-results
          path: ./coverage/combined-coverage-final.json
      - name: Cleanup interim coverage files
        run: |
          rm -rf ./coverage/unit-coverage-final.json
          rm -rf ./coverage/backend-coverage-final.json
          find ./coverage -name "*-coverage-final.json" -type f -delete 
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v4.6.0
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: false
          name: frontend-and-backend
          file: ./coverage/merged-coverage.json 
          disable_search: true
          directory: ./coverage
          verbose: true

  Tests:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [18.x]
    needs:
      - Setup
      - Lint
      - Unit-Tests
      - Get-Test-Groups
      - Cypress-Mock-Tests
      - Combine-Results-and-Upload
    steps:
      - name: Verify all jobs succeeded
        run: echo "All required jobs have successfully completed for Node.js ${{ matrix.node-version }}."