# sync with https://github.com/fphammerle/ical2vdir/blob/master/.github/workflows/python.yml

# https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions

# shown in badge
# https://help.github.com/en/actions/automating-your-workflow-with-github-actions/configuring-a-workflow#adding-a-workflow-status-badge-to-your-repository
name: tests

on:
  push:
  pull_request:
  schedule:
  - cron: '0 20 * * 5'

jobs:
  code-format:
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        python-version:
        - 3.8
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - run: pip install --upgrade pipenv==2020.8.13
    - run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
      env:
        PYTHON_VERSION: ${{ matrix.python-version }}
    - run: pipenv graph
    - run: pipenv run black --check .
  tests:
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        python-version:
        - 3.5
        - 3.6
        - 3.7
        - 3.8
        - 3.9
        pandas-version:
        - '' # locked version
        - 0.21.*
        - 0.22.*
        - 0.23.*
        - 0.24.*
        - 0.25.*
        - 1.1.* # python3.6
        - 1.*
        exclude:
        # https://travis-ci.org/github/fphammerle/freesurfer-stats/jobs/683777317#L208
        # https://github.com/pandas-dev/pandas/commit/18efcb27361478daa3118079ecb166c733691ecb#diff-2eeaed663bd0d25b7e608891384b7298R814
        - python-version: 3.5
          pandas-version: 1.*
        - python-version: 3.5
          pandas-version: 1.1.*
        # https://github.com/pandas-dev/pandas/commit/83807088329b2a7e6422e0d0ba460870a265d3d2#diff-60f61ab7a8d1910d86d9fda2261620314edcae5894d5aaa236b821c7256badd7R768
        - python-version: 3.6
          pandas-version: 1.*
        - python-version: 3.7
          pandas-version: 0.21.*
        - python-version: 3.7
          pandas-version: 0.22.*
        # > astroid.exceptions.AttributeInferenceError: '_constructor_expanddim' not found on <ClassDef.Series l.139 at 0x7f314baa6410>.
        # https://github.com/fphammerle/freesurfer-volume-reader/runs/1937182916
        - python-version: 3.7
          pandas-version: 1.1.*
        # >/tmp/pip-install-g4jx0np4/numpy/_configtest.c:6: undefined reference to `exp'
        # https://travis-ci.org/github/fphammerle/freesurfer-stats/jobs/683704331#L437
        - python-version: 3.8
          pandas-version: 0.21.*
        # https://travis-ci.org/github/fphammerle/freesurfer-stats/jobs/683704330#L437
        - python-version: 3.8
          pandas-version: 0.22.*
        # no python3.8 wheels for pandas v0.24.2 & v0.23.4 available
        # https://travis-ci.org/github/fphammerle/freesurfer-stats/builds/701952350
        # build takes longer than 10min
        # https://travis-ci.org/github/fphammerle/freesurfer-stats/jobs/702077404#L199
        - python-version: 3.8
          pandas-version: 0.23.*
        - python-version: 3.8
          pandas-version: 0.24.*
        # > astroid.exceptions.AttributeInferenceError: '_constructor_expanddim' not found on <ClassDef.Series l.139 at 0x7f314baa6410>.
        # https://github.com/fphammerle/freesurfer-volume-reader/runs/1937182916
        - python-version: 3.8
          pandas-version: 1.1.*
        - python-version: 3.9
          pandas-version: 0.21.*
        - python-version: 3.9
          pandas-version: 0.22.*
        - python-version: 3.9
          pandas-version: 0.23.*
        - python-version: 3.9
          pandas-version: 0.24.*
      fail-fast: false
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - run: pip install --upgrade pipenv==2020.8.13
    - run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
      env:
        PYTHON_VERSION: ${{ matrix.python-version }}
    # `pipenv install --selective-upgrade "pandas==$PANDAS_VERSION"` was not effective
    - run: '[ -z "$PANDAS_VERSION" ] || pipenv run pip install "pandas==$PANDAS_VERSION"'
      env:
        PANDAS_VERSION: ${{ matrix.pandas-version }}
    - run: pipenv graph
    - run: pipenv run pytest --cov="$(cat *.egg-info/top_level.txt)" --cov-report=term-missing --cov-fail-under=100
    # https://github.com/PyCQA/pylint/issues/3882
    - run: python3 -c 'import sys; sys.exit(sys.version_info < (3, 9))'
        || pipenv run pylint --load-plugins=pylint_import_requirements "$(cat *.egg-info/top_level.txt)"
    # https://github.com/PyCQA/pylint/issues/352
    # disable parse-error due to:
    # > tests/resources/__init__.py:1:0: F0010: error while code parsing: Unable to load file tests/resources/__init__.py:
    # > [Errno 2] No such file or directory: 'tests/resources/__init__.py' (parse-error)
    - run: python3 -c 'import sys; sys.exit(sys.version_info < (3, 9))'
        || pipenv run pylint --disable=parse-error tests/*
    - run: pipenv run mypy "$(cat *.egg-info/top_level.txt)" tests
    # >=2.1.0 to support GITHUB_TOKEN
    # COVERALLS_REPO_TOKEN required manual configuration of secret
    # https://github.com/TheKevJames/coveralls-python/commit/f597109b62fadaf900af79d4f08a7debee5229e2
    - run: pip install 'coveralls>=2.1.0,<4'
    - run: coveralls
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        # https://github.com/TheKevJames/coveralls-python/issues/240#issuecomment-758336355
        COVERALLS_SERVICE_NAME: github
  test-examples: # sync with https://github.com/fphammerle/freesurfer-surface/blob/dev/.github/workflows/python.yml#L73
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        python-version:
        - 3.5
        - 3.6
        - 3.7
        - 3.8
        - 3.9
      fail-fast: false
    defaults:
      run:
        working-directory: examples/
    steps:
    - uses: actions/checkout@v1
    - uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - run: pip install --upgrade pipenv==2020.8.13
    - run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
      env:
        PYTHON_VERSION: ${{ matrix.python-version }}
    # > RuntimeError: module compiled against API version 0xe but this version of numpy is 0xd
    - run: python3 -c 'import sys; sys.exit(sys.version_info >= (3, 8))'
        || pipenv run pip install --no-deps numpy==1.20.1
    - run: pipenv graph
    # > the default behaviour is to abort conversion [...] if one of the cells throws an error
    - run: pipenv run jupyter nbconvert --execute --inplace *.ipynb
    # revert line specifying version of python interpreter
    - run: sudo apt-get update
    - run: sudo apt-get install --yes --no-install-recommends patchutils
    - run: git diff --unified=0 | grepdiff --output-matching=hunk '^   "version":' | patch --reverse
    - run: git diff --unified=0 | grepdiff --output-matching=hunk 'data:image/png;base64,' | patch --reverse
    - run: git diff --exit-code