Tests workflow (bethgelab/foolbox)

name: Tests
 
on:
  push:
    branches:
      - master
  pull_request:
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  build:
    timeout-minutes: 30
 
    runs-on: latchkey-small
    strategy:
      max-parallel: 20
      matrix:
        python-version: ['3.9', '3.10']
        backend: ["none", "pytorch", "tensorflow", "jax", "numpy"]
 
    steps:
    - uses: actions/checkout@v2
    - uses: actions/cache@v1
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
        restore-keys: |
          ${{ runner.os }}-pip-
    - uses: actions/cache@v1
      with:
        path: ~/.cache/torch
        key: ${{ runner.os }}-cache-torch
    - uses: actions/cache@v1
      with:
        path: ~/.torch
        key: ${{ runner.os }}-torch
    - uses: actions/cache@v1
      with:
        path: ~/.keras
        key: ${{ runner.os }}-keras
#   - name: debugging
#     run: |
#       python3 -c 'from urllib.request import urlopen; r = urlopen("https://download.pytorch.org/models/resnet18-5c106cde.pth"); print(r.status, r.reason, r.msg)' || true
#   - name: workaround for https://github.com/pytorch/vision/issues/1876
#     uses: wei/wget@v1
#     with:
#         args: https://download.pytorch.org/models/resnet18-5c106cde.pth
#   - name: workaround (step 2)
#     run: |
#       mkdir -p ~/.cache/torch/checkpoints || true
#       mv resnet18-5c106cde.pth ~/.cache/torch/checkpoints || true
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        cache: 'pip'
        python-version: ${{ matrix.python-version }}
    - name: Install requirements.txt
      run: |
        function retry-with-backoff() {
          for BACKOFF in 0 1 2 4 8 16 32 64; do
            sleep $BACKOFF
            if "$@"; then
              return 0
            fi
          done
          return 1
        }
 
        python -m pip install --upgrade pip setuptools wheel
        retry-with-backoff pip install -r requirements.txt
    - name: flake8
      run: |
        flake8 . --count --show-source --statistics
    - name: black
      run: |
        black --check --verbose .
    - name: Install package
      run: |
        pip install -e .
    - name: Install tests/requirements.txt
      run: |
        function retry-with-backoff() {
          for BACKOFF in 0 1 2 4 8 16 32 64; do
            sleep $BACKOFF
            if "$@"; then
              return 0
            fi
          done
          return 1
        }
 
        retry-with-backoff pip install -r tests/requirements.txt
    - name: mypy (package)
      run: |
        mypy --install-types --non-interactive foolbox/
        mypy -p foolbox
    - name: mypy (tests)
      run: |
        mypy tests/
    - name: Test with pytest (backend ${{ matrix.backend }})
      run: |
        pytest --durations=0 --cov-report term-missing --cov=foolbox --verbose --backend ${{ matrix.backend }}
    - name: Codecov
      continue-on-error: true
      env:
          CODECOV_TOKEN: "60c0d7ac-8ec1-47c6-b3b1-ac2ad2dea76f"
      run: |
        codecov
    - name: Coveralls
      continue-on-error: true
      env:
        COVERALLS_REPO_TOKEN: "2r76Cn01kW1sSkEirJ3SRpp478NJtPNdA"
      run: |
        coveralls