name: gradio-backend

on:
  push:
    branches:
      - "main"
  pull_request:

concurrency:
  group: backend-${{ github.ref }}-${{ github.event_name == 'push' || github.event.inputs.fire != null }}
  cancel-in-progress: false

env:
  NODE_OPTIONS: "--max-old-space-size=4096"

jobs:
  test:
    runs-on: ubuntu-latest
    continue-on-error: ${{ matrix.test-type == 'flaky' }}
    strategy:
      matrix:
        test-type: ["not flaky", "flaky"]
        python-version: ["3.9", "3.7"]
    steps:
    - uses: actions/checkout@v3
    - name: Cache python deps
      id: cache-python
      uses: actions/cache@v3
      with:
        path: ./venv
        key: pythondeps-${{ matrix.python-version }}-${{ github.ref }}-${{ hashFiles('requirements.txt') }}-${{ hashFiles('test/requirements.txt') }}
    - name: Install Python
      uses: actions/setup-python@v3
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install pnpm
      uses: pnpm/action-setup@v2.2.2
      with:
        version: 7
    - uses: actions/setup-node@v3
      with:
        node-version: 16
        cache: pnpm
        cache-dependency-path: ui/pnpm-lock.yaml
    - name: Install pip
      run: python -m pip install build requests virtualenv
    - name: Install Gradio
      run: |
        python -m virtualenv venv
        . venv/bin/activate
        bash scripts/install_gradio.sh
        pip install --upgrade pip
    - name: Install 3.9 Test Dependencies
      if: ${{ matrix.python-version == '3.9' }}
      run: |
        . venv/bin/activate
        pip install -r test/requirements.txt
    - name: Install 3.7 Test Dependencies
      if: ${{ matrix.python-version == '3.7' }}
      run: |
        . venv/bin/activate
        pip install -r test/requirements-37.txt
    - name: Lint
      run: |
        . venv/bin/activate
        bash scripts/lint_backend.sh
    - name: Typecheck
      run: |
        . venv/bin/activate
        bash scripts/type_check_backend.sh
    - name: Build frontend
      run: |
        cd ui
        pnpm i --frozen-lockfile
        pnpm build
        cd ..
    - name: Install ffmpeg
      uses: FedericoCarboni/setup-ffmpeg@v2
    - name: Create coverage dir
      run: mkdir test-reports
    - name: Run tests
      run: |
        . venv/bin/activate
        coverage run -m pytest -m "${{ matrix.test-type }}"
        coverage xml