on-pull-request.yml

name: on pull request
on: pull_request

env:
  CACHE_PATH: |
    **/node_modules
    ~/.cache/Cypress
    ~/.cache/yarn/v6
  FILES_TO_DELETE: |
    sudo rm -rf "/usr/share/dotnet"
    sudo rm -rf "/usr/share/swift"
    sudo rm -rf "/usr/local/share/boost"
    sudo rm -rf /opt/ghc
    sudo rm -rf "/usr/local/share/boost"
    sudo rm -rf "/usr/local/lib/android/sdk"
    sudo rm -rf "/opt/hostedtoolcache/Python"
    sudo rm -rf "/opt/hostedtoolcache/go"
    sudo rm -rf "/opt/hostedtoolcache/CodeQL"
    sudo rm -rf "/var/lib/gems"
    sudo rm -rf "$AGENT_TOOLSDIRECTORY"
    sudo apt-get clean -y
    sudo apt-get autoremove -y

jobs:
  # Stop previous runs
  stop-previous-run:
    runs-on: ubuntu-22.04
    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.11.0
        with:
          access_token: ${{ secrets.GITHUB_TOKEN }}

  # Save nessesary env variables to use them in next jobs
  save-env:
    runs-on: ubuntu-22.04
    needs: stop-previous-run
    if: always()
    steps:
      - name: Save env variables
        run: |
          mkdir -p ./workflow
          echo "${{ github.event.pull_request.number }}" > ./workflow/prNum
          echo "${{ github.run_id }}" > ./workflow/runId
          echo "${{ github.repository }}" > ./workflow/repoFullName
          echo "${{ github.repository_owner }}" > ./workflow/ownerName
      - name: Upload artifact
        uses: actions/upload-artifact@v3
        with:
          name: env_for_comment
          path: workflow/

  # Check if forked master is up to date with origin master in module federation examples repo
  forked_master_status:
    runs-on: ubuntu-22.04
    needs: stop-previous-run
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.ref }}
          fetch-depth: 0

      - name: Check if forked master is up to date
        if: github.repository_owner == 'module-federation'
        run: |
          echo "${{ github.repository_owner }}"
          git remote add base https://github.com/${{github.repository}}
          git remote -v
          git fetch --all
          export FORKED_MASTER_SHA=$(git log -n 1 --pretty=format:"%H" origin/${{ github.event.pull_request.base.ref}})
          export BASE_MASTER_SHA=$(git log -n 1 --pretty=format:"%H" base/${{ github.event.pull_request.base.ref }})
          echo "$FORKED_MASTER_SHA"
          echo "$BASE_MASTER_SHA"
          
          if [ "$FORKED_MASTER_SHA" == "$BASE_MASTER_SHA" ];
          then
            echo "The forked master is up to date with the base master branch"
            exit 0
          else
            echo "The forked master branch is not up to date with the base master branch, Please update your fork!"
            exit 1
          fi

  # Setup matrix from changed samples by lerna ls --since origin/master command
  setup-matrix:
    runs-on: ubuntu-22.04
    needs: forked_master_status
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.ref }}
          fetch-depth: 0

      - name: Create matrix
        id: set-matrix
        run: |
          npm install lerna -g
          matrix="$(node checkChangedWorkspaces.js)"
          echo "matrix=$matrix" >> $GITHUB_OUTPUT

      - name: Changed workspaces
        run: |
          echo '${{ steps.set-matrix.outputs.matrix }}'

  # Install main dependencies (yarn install) + Create cache for Yarn and Cypress
  install-main-dependencies:
    needs: setup-matrix
    if: ${{ needs.setup-matrix.outputs.matrix != '{"container":[]}' }}
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.ref }}
          fetch-depth: 0

      - name: Free up some space
        run: ${{ env.FILES_TO_DELETE }}

        # Hash yarn.lock files to use it as a cache key, if yarn.lock files are changed, the cache will be invalidated
      - name: Check Yarn hash
        id: yarn-hash
        run: |
          yarnHash="$(npx hash-files -f '["**/yarn.lock"]' -a sha256)"
          echo "yarnHash=$yarnHash" >> $GITHUB_OUTPUT

      - name: Cache Yarn and Cypress
        uses: actions/cache@v3
        id: yarn-cache
        with:
          path: ${{ env.CACHE_PATH }}
          key: e2e-cache-${{ steps.yarn-hash.outputs.yarnHash }}

      - name: Check disk space before install
        run: |
          df -h

      - name: Install deps
        if: steps.yarn-cache.outputs.cache-hit != 'true'
        env:
          NODE_OPTIONS: "--max_old_space_size=4096"
        run: |
          echo "Yarn changed - install deps ... "
          yarn install --frozen-lockfile

      - name: Check disk space after install
        run: |
          df -h

  # Run Cypress e2e tests for changed samples (additionally install deps for all changed samples if there is no any created cache in master branch) + Create artifacts for Cypress screenshots and videos
  run-e2e-test:
    needs: [setup-matrix, install-main-dependencies]
    if: ${{ needs.setup-matrix.outputs.matrix != '{"container":[]}' }}
    runs-on: ubuntu-22.04
    timeout-minutes: 30
    strategy:
      fail-fast: false
      matrix: ${{fromJson(needs.setup-matrix.outputs.matrix)}}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.ref }}
          fetch-depth: 0

      - name: Free up some space
        run: ${{ env.FILES_TO_DELETE }}

      - name: Check disk space before install
        run: |
          df -h

        # Hash yarn.lock files to use it as a cache key, if yarn.lock files are changed, the cache will be invalidated
      - name: Check Yarn hash
        id: yarn-hash
        run: |
          yarnHash="$(npx hash-files -f '["**/yarn.lock"]' -a sha256)"
          echo "yarnHash=$yarnHash" >> $GITHUB_OUTPUT

      - name: Restore Yarn and Cypress cache
        uses: actions/cache/restore@v3
        id: yarn-cache
        with:
          path: ${{ env.CACHE_PATH }}
          key: e2e-cache-${{ steps.yarn-hash.outputs.yarnHash }}
          restore-keys: |
            e2e-cache-
            e2e-

      - name: Install deps
        if: steps.yarn-cache.outputs.cache-hit != 'true'
        env:
          NODE_OPTIONS: "--max_old_space_size=4096"
        run: |
          echo "Yarn changed - install deps ... "
          yarn install --frozen-lockfile

      - name: Install sample deps
          # TODO Uncomment when yarn will work properly from the root and install all nessessary deps. Also please, add yarn install to the run section below instead of npx lerna exec
        # if: steps.yarn-cache.outputs.cache-hit != 'true'
        run: |
          npx lerna exec --stream --scope="${{ matrix.container }}*" --concurrency=1 "yarn install"

      - name: Check disk space after install
        run: |
          df -h

      - name: Set up node
        uses: actions/setup-node@v3
        with:
          node-version: 16

      - name: Run sample e2e tests
        run: |
          node -v
          npx lerna run --scope=${{ matrix.container }} e2e:ci

      - name: Create artifacts for Allure report
        uses: actions/upload-artifact@v3
        if: always()
        with:
          name: allure-results
          path: 'cypress/results/allure-results'
          retention-days: 7