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: true

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

jobs:
  changes:
    runs-on: ubuntu-latest
    outputs:
      python-client: ${{ steps.changes.outputs.python-client }}
      gradio: ${{ steps.changes.outputs.gradio }}
      test: ${{ steps.changes.outputs.test }}
      workflows: ${{ steps.changes.outputs.workflows }}
      scripts: ${{ steps.changes.outputs.scripts }}
      client-scripts: ${{ steps.changes.outputs.client-scripts }}
    steps:
    - uses: actions/checkout@v3
    - uses: dorny/paths-filter@v2
      id: changes
      with:
        filters: |
          python-client:
            - 'client/python/**'
          gradio:
            - 'gradio/**'
            - 'requirements.txt'
          test:
            - 'test/**'
          workflows:
            - '.github/**'
          scripts:
            - 'scripts/**'
  client-test:
    needs: [changes]
    if: needs.changes.outputs.python-client == 'true' || needs.changes.outputs.workflows == 'true'
    strategy:
      matrix:
        os: ["ubuntu-latest", "windows-latest"]
        test-type: ["not flaky", "flaky"]
        python-version: ["3.8"]
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.test-type == 'flaky' }}
    steps:
    - uses: actions/checkout@v3
    - name: Install Python
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
        cache: pip
        cache-dependency-path: |
          client/python/requirements.txt
          requirements.txt
          test/requirements.txt
    - name: Create env
      run: |
        python -m pip install --upgrade virtualenv
        python -m virtualenv venv
    - uses: actions/cache@master
      id: cache
      with:
        path: |
          client/python/venv/*
        key: python-client-${{ runner.os }}-pip-${{ hashFiles('client/python/requirements.txt') }}-${{ hashFiles('client/python/test/requirements.txt') }}
    - uses: actions/cache@v3
      id: frontend-cache
      with:
        path: |
          gradio/templates/*
        key: gradio-lib-front-end-${{ hashFiles('js/**')}}
    - name: Install pnpm
      if: steps.frontend-cache.outputs.cache-hit != 'true'
      uses: pnpm/action-setup@v2
      with:
        version: 8
    - uses: actions/setup-node@v3
      if: steps.frontend-cache.outputs.cache-hit != 'true'
      with:
        node-version: 18
        cache: pnpm
        cache-dependency-path: pnpm-lock.yaml
    - name: Build frontend
      if: steps.frontend-cache.outputs.cache-hit != 'true'
      run: |
        pnpm i --frozen-lockfile  --ignore-scripts
        pnpm build  
    - name: Install Test Requirements (Linux)
      if: runner.os == 'Linux'
      run: |
        . venv/bin/activate
        python -m pip install -r client/python/test/requirements.txt
    - name: Install ffmpeg
      uses: FedericoCarboni/setup-ffmpeg@v2
    - name: Install Gradio and Client Libraries Locally (Linux)
      if: runner.os == 'Linux'
      run: |
        . venv/bin/activate
        python -m pip install -e client/python
        python -m pip install -e .
    - name: Lint (Linux)
      if: runner.os == 'Linux'
      run: |
        . venv/bin/activate
        bash client/python/scripts/lint.sh
    - name: Tests (Linux)
      if: runner.os == 'Linux'
      run: |
        . venv/bin/activate
        python -m pytest -m "${{ matrix.test-type }}" client/python/
    - name: Install Test Requirements (Windows)
      if: runner.os == 'Windows'
      run: |
        venv\Scripts\activate
        pip install -r client/python/test/requirements.txt
    - name: Install Gradio and Client Libraries Locally (Windows)
      if: runner.os == 'Windows'
      run: |
        venv\Scripts\activate
        python -m pip install -e client/python
        python -m pip install -e .
    - name: Tests (Windows)
      if: runner.os == 'Windows'
      run: |
        venv\Scripts\activate
        python -m pytest -m "${{ matrix.test-type }}" client/python/
  test:
    needs: [changes]
    if: needs.changes.outputs.gradio == 'true' || needs.changes.outputs.workflows == 'true' || needs.changes.outputs.scripts == 'true' || needs.changes.outputs.test == 'true'
    strategy:
      matrix:
        os: ["ubuntu-latest", "windows-latest"]
        test-type: ["not flaky", "flaky"]
        python-version: ["3.8"]
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.test-type == 'flaky' }}
    steps:
    - uses: actions/checkout@v3
    - name: Install Python
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
        cache: pip
        cache-dependency-path: |
          client/python/requirements.txt
          requirements.txt
          test/requirements.txt
    - name: Create env
      run: |
        python -m pip install --upgrade virtualenv
        python -m virtualenv venv
    - uses: actions/cache@v3
      id: cache
      with:
        path: |
          venv/*
        key: gradio-lib-${{ runner.os }}-pip-${{ hashFiles('client/python/requirements.txt') }}-${{ hashFiles('requirements.txt') }}-${{ hashFiles('test/requirements.txt') }}
    - uses: actions/cache@v3
      id: frontend-cache
      with:
        path: |
          gradio/templates/*
        key: gradio-lib-front-end-${{ hashFiles('js/**')}}
    - name: Install pnpm
      if: steps.frontend-cache.outputs.cache-hit != 'true'
      uses: pnpm/action-setup@v2
      with:
        version: 8
    - uses: actions/setup-node@v3
      if: steps.frontend-cache.outputs.cache-hit != 'true'
      with:
        node-version: 18
        cache: pnpm
        cache-dependency-path: pnpm-lock.yaml
    - name: Build frontend
      if: steps.frontend-cache.outputs.cache-hit != 'true'
      run: |
        pnpm i --frozen-lockfile --ignore-scripts
        pnpm build
    - name: Install Gradio and Client Libraries Locally (Linux)
      if: runner.os == 'Linux'
      run: |
        . venv/bin/activate
        python -m pip install -e client/python
        python -m pip install .
    - name: Install Test Dependencies (Linux)
      if: steps.cache.outputs.cache-hit != 'true' && runner.os == 'Linux'
      run: |
        . venv/bin/activate
        bash scripts/install_test_requirements.sh
    - name: Install ffmpeg
      uses: FedericoCarboni/setup-ffmpeg@v2
    - name: Lint (Linux)
      if: runner.os == 'Linux'
      run: |
        . venv/bin/activate
        bash scripts/lint_backend.sh
    - name: Typecheck (Linux)
      if: runner.os == 'Linux'
      run: |
        . venv/bin/activate
        bash scripts/type_check_backend.sh
    - name: Run tests (Linux)
      if: runner.os == 'Linux'
      run: |
        . venv/bin/activate
        python -m coverage run -m pytest -m "${{ matrix.test-type }}" --ignore=client
        python -m coverage xml
    - name: Install Gradio and Client Libraries Locally (Windows)
      if: runner.os == 'Windows'
      run: |
        venv\Scripts\activate
        python -m pip install -e client/python  
        python -m pip install .
    - name: Install Test Dependencies (Windows)
      if: steps.cache.outputs.cache-hit != 'true' && runner.os == 'Windows'
      run: |
        venv\Scripts\activate
        python -m pip install -e . -r test/requirements.txt
    - name: Run tests (Windows)
      if: runner.os == 'Windows'
      run: |
        venv\Scripts\activate
        python -m coverage run -m pytest -m "${{ matrix.test-type }}" --ignore=client
        python -m coverage xml