demo_diff_check.yml

name: Check the output of demos on the master and dev branches
on:
  schedule:
    - cron: '0 0 * * 0'
  workflow_dispatch:

jobs:
  build-dev:
    runs-on: ubuntu-latest

    steps:

      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.4.1
        with:
          access_token: ${{ github.token }}

      - uses: actions/checkout@v2
        with:
          ref: dev

      - name: Run Rigetti Quilc
        run: docker run --rm -d -p 5555:5555 rigetti/quilc -R

      - name: Run Rigetti QVM
        run: docker run --rm -d -p 5000:5000 rigetti/qvm -S

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: 3.9

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip wheel
          pip install -r requirements.txt
          pip install --no-deps -r requirements_no_deps.txt
          pip install --index-url https://test.pypi.org/simple/ pennylane-lightning --pre --no-deps --upgrade

      - name: Build tutorials
        run: |
          make download
          make html
          zip -r /tmp/qml_demos.zip demos

      - uses: actions/upload-artifact@v2
        with:
          name: built-website-dev
          path: |
            /tmp/qml_demos.zip
            _build/html

  build-master:
    runs-on: ubuntu-latest

    steps:

      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.4.1
        with:
          access_token: ${{ github.token }}

      - uses: actions/checkout@v2
        with:
          ref: master

      - name: Run Rigetti Quilc
        run: docker run --rm -d -p 5555:5555 rigetti/quilc -R

      - name: Run Rigetti QVM
        run: docker run --rm -d -p 5000:5000 rigetti/qvm -S

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: 3.9

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip wheel
          pip install -r requirements.txt
          pip install --no-deps -r requirements_no_deps.txt
          pip install pennylane-lightning

      - name: Build tutorials
        run: |
          make download
          make html
          zip -r /tmp/qml_demos.zip demos

      - uses: actions/upload-artifact@v2
        with:
          name: built-website-master
          path: |
            /tmp/qml_demos.zip
            _build/html

  check-diffs:
    runs-on: ubuntu-latest
    needs: [build-dev, build-master]
    steps:
    - uses: actions/checkout@v2
      with:
        # We checkout a dedicated unprotected branch and store the output of
        # the checker there
        ref: demo_output_comparison

    - name: Create dev dir
      run: mkdir /tmp/dev/

    - uses: actions/download-artifact@v2
      with:
        name: built-website-dev
        path: /tmp/dev/

    - name: Create master dir
      run: mkdir /tmp/master/

    - uses: actions/download-artifact@v2
      with:
        name: built-website-master
        path: /tmp/master/

    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: 3.9

    - name: Update the output file
      run: |
        git config user.name "QML demo checker Bot"
        git config user.email "<>"

        pip install pytz
        python .github/workflows/generate_diffs.py
        mv demo_diffs.md demo_checker
        git add demo_checker/demo_diffs.md
        git commit -m "Update the demonstration differences found"
        git push

    - uses: actions/upload-artifact@v2
      with:
        name: demo_diffs
        path: |
          demo_checker/demo_diffs.md