name: Testsuite

on:
  [push, pull_request]

jobs:
  linter:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
        python-version:  [3.8]
    steps:
    - uses: actions/checkout@v2
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install linter
      run: |
        uname -a
        python -m pip install flake8
    - name: Check syntax and style
      run: flake8 . --exclude get-pip.py --max-complexity=13 --statistics

  tests:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macOS-latest, windows-2016]
        python-version: [3.6, 3.7, 3.8, 3.9, 3.10.0-beta.1]
        include:
          - python-version: pypy3
            os: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}

    - name: Get pip cache dir
      id: pip-cache
      run: |
        python -m pip install --upgrade pip
        echo "::set-output name=dir::$(pip cache dir)"

    - name: Cache dependencies
      id: cache-dep
      uses: actions/cache@v2
      with:
        path: ${{ steps.pip-cache.outputs.dir }}
        key: ${{ matrix.os }}-${{ matrix.python-version }}-pip-${{ hashFiles('**/requirements.txt') }}-${{ hashFiles('**/extra_requirements.txt') }}
        restore-keys: |
          ${{ matrix.os }}-${{ matrix.python-version }}-pip-

    - name: Install dependencies
      run: |
        pip install wheel
        pip install -r requirements.txt
        pip install .
    - name: Run unit tests without extra packages as non-root user
      run: |
        export TEST_REAL_FS=1
        python -m pyfakefs.tests.all_tests_without_extra_packages
      shell: bash
    - name: Run setup.py test (uses pytest)
      run: |
        python setup.py test
      shell: bash
    - name: Run unit tests without extra packages as root
      run: |
        if [[ '${{ matrix.os  }}' != 'windows-2016' ]]; then
          # provide the same path as non-root to get the correct virtualenv
          sudo env "PATH=$PATH" python -m pyfakefs.tests.all_tests_without_extra_packages
        fi
      shell: bash
    - name: Install extra dependencies
      run: |
        # some extra dependencies are not avaialble in 3.10 Beta yet
        # so we exclude it from all tests on extra dependencies
        if [[ '${{ matrix.python-version }}' != '3.10.0-beta.1' ]]; then
          pip install -r extra_requirements.txt
        fi
      shell: bash
    - name: Run unit tests with extra packages as non-root user
      run: |
        if [[ '${{ matrix.python-version }}' != '3.10.0-beta.1' ]]; then
          python -m pyfakefs.tests.all_tests
        fi
      shell: bash
    - name: Run pytest tests
      run: |
        if [[ '${{ matrix.python-version }}' != '3.10.0-beta.1' ]]; then
          export PY_VERSION=${{ matrix.python-version }}
          $GITHUB_WORKSPACE/.github/workflows/run_pytest.sh
        fi
      shell: bash
    - name: Run performance tests
      run: |
        if [[ '${{ matrix.os  }}' != 'macOS-latest' && '${{ matrix.python-version }}' != '3.10.0-beta.1' ]]; then
          export TEST_PERFORMANCE=1
          python -m pyfakefs.tests.performance_test
        fi
      shell: bash