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 mypy
    - name: Check syntax and style
      run: flake8 . --exclude get-pip.py --max-complexity=13 --statistics

  mypy:
    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 dependencies
        run: |
          python -m pip install -r requirements.txt -r extra_requirements.txt
          python -m pip install mypy==0.812
      - name: Run typing checks
        run: python -m mypy .

  tests:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macOS-latest, windows-latest]
        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
        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 -bb -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 [[ '${{ matrix.os  }}' != 'windows-latest' ]]; then
          # provide the same path as non-root to get the correct virtualenv
          sudo env "PATH=$PATH" python -m pyfakefs.tests.all_tests_without_extra_packages
        fi
      shell: bash
    - name: Install extra dependencies
      run: |
        pip install -r extra_requirements.txt
      shell: bash
    - name: Run unit tests with extra packages as non-root user
      run: |
        python -m pyfakefs.tests.all_tests
      shell: bash
    - name: Run performance tests
      run: |
        if [[ '${{ matrix.os  }}' != 'macOS-latest' ]]; then
          export TEST_PERFORMANCE=1
          python -m pyfakefs.tests.performance_test
        fi
      shell: bash

  pytest-test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest]
        python-version: [3.9]
        pytest-version: [3.0.0, 3.5.1, 4.0.2, 4.5.0, 5.0.1, 5.4.3, 6.0.2, 6.2.5, 7.0.1, 7.1.0]
    steps:
      - uses: actions/checkout@v2
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install dependencies
        run: |
          pip install -r requirements.txt
          pip install -U pytest==${{ matrix.pytest-version }}
          if [[ '${{ matrix.pytest-version }}' == '4.0.2' ]]; then
             pip install -U attrs==19.1.0
          fi
        shell: bash
      - name: Run pytest tests
        run: |
          export PY_VERSION=${{ matrix.python-version }}
          $GITHUB_WORKSPACE/.github/workflows/run_pytest.sh
        shell: bash

  dependency-check:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]
        python-version:  [3.9]
    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 dependencies
        run: |
          pip install -r requirements.txt
          pip install -r extra_requirements.txt
          pip install pytest-find-dependencies
      - name: Check dependencies
        run: python -m pytest --find-dependencies pyfakefs/tests
        shell: bash