name: ocelot.social end-to-end test CI

on: push

jobs:
  docker_preparation:
    name: Fullstack test preparation
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Copy env files
        run: |
          cp webapp/.env.template webapp/.env
          cp backend/.env.template backend/.env

      - name: Build docker images
        run: |
          mkdir /tmp/images
          docker build --target community -t "ocelotsocialnetwork/neo4j-community:test" neo4j/
          docker save "ocelotsocialnetwork/neo4j-community:test" > /tmp/images/neo4j.tar
          docker build --target test -t "ocelotsocialnetwork/backend:test" backend/
          docker save "ocelotsocialnetwork/backend:test" > /tmp/images/backend.tar
          docker build --target test -t "ocelotsocialnetwork/webapp:test" webapp/
          docker save "ocelotsocialnetwork/webapp:test" > /tmp/images/webapp.tar

      - name: Install cypress requirements
        run: |
          wget --no-verbose -O /opt/cucumber-json-formatter "https://github.com/cucumber/json-formatter/releases/download/v19.0.0/cucumber-json-formatter-linux-386"
          cd backend
          yarn install
          yarn build
          cd ..
          yarn install
      
      - name: Cache docker images
        id: cache
        uses: actions/cache/save@v3.3.2
        with:
          path: |
            /opt/cucumber-json-formatter
            /home/runner/.cache/Cypress
            /home/runner/work/Ocelot-Social/Ocelot-Social
            /tmp/images/
          key: ${{ github.run_id }}-e2e-preparation-cache

  fullstack_tests:
    name: Fullstack tests
    if: success()
    needs: docker_preparation
    runs-on: ubuntu-latest
    env:
      jobs: 8
    strategy:
      matrix:
        # run copies of the current job in parallel
        job: [1, 2, 3, 4, 5, 6, 7, 8]
    steps:
      - name: Restore cache
        uses: actions/cache/restore@v3.3.2
        id: cache
        with:
          path: |
            /opt/cucumber-json-formatter
            /home/runner/.cache/Cypress
            /home/runner/work/Ocelot-Social/Ocelot-Social
            /tmp/images/
          key: ${{ github.run_id }}-e2e-preparation-cache
          fail-on-cache-miss: true

      - name: Boot up test system | docker-compose
        run: |
          chmod +x /opt/cucumber-json-formatter
          sudo ln -fs /opt/cucumber-json-formatter /usr/bin/cucumber-json-formatter
          docker load < /tmp/images/neo4j.tar
          docker load < /tmp/images/backend.tar
          docker load < /tmp/images/webapp.tar
          docker-compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps webapp neo4j backend
          sleep 90s

      - name: Full stack tests | run tests
        id: e2e-tests
        run: yarn run cypress:run --spec $(cypress/parallel-features.sh ${{ matrix.job }} ${{ env.jobs }} )

      - name: Full stack tests | if tests failed, compile html report
        if: ${{ failure() && steps.e2e-tests.conclusion == 'failure' }}
        run: |
          cd cypress/
          node create-cucumber-html-report.js

      - name: Full stack tests | if tests failed, upload report
        id: e2e-report
        if: ${{ failure() && steps.e2e-tests.conclusion == 'failure' }}
        uses: actions/upload-artifact@v3
        with:
          name: ocelot-e2e-test-report-pr${{ needs.docker_preparation.outputs.pr-number }}
          path: /home/runner/work/Ocelot-Social/Ocelot-Social/cypress/reports/cucumber_html_report

  cleanup:
    name: Cleanup
    needs: [docker_preparation, fullstack_tests]
    runs-on: ubuntu-latest
    continue-on-error: true
    steps:
      - name: Delete cache
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh extension install actions/gh-actions-cache
          KEY="${{ github.run_id }}-e2e-preparation-cache"
          gh actions-cache delete $KEY -R Ocelot-Social-Community/Ocelot-Social --confirm