name: Tests

on:
  workflow_dispatch:
  pull_request:
    branches:
      - 'master'    
  push:
    branches:
      - 'master'  
  create:
    branches:
      - 'master'
    tags:
      - '**'

jobs:
  linux:

    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, 'no ci')"
    strategy:
      max-parallel: 4
      matrix:
        python-version: ["3.7", "3.8", "3.9", "3.10"]

    steps:
    - uses: actions/checkout@v1
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install POT
      run: |
        pip install -e .
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
        pip install pytest pytest-cov
    - name: Run tests
      run: |
        python -m pytest --durations=20 -v test/ ot/ --doctest-modules --color=yes --cov-report=xml
    - name: Upload coverage reports to Codecov with GitHub Action
      uses: codecov/codecov-action@v3

  pep8:
    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, 'no pep8')"
    steps:
    - uses: actions/checkout@v1
    - name: Set up Python 
      uses: actions/setup-python@v1
      with:
        python-version: 3.9
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install flake8 
    - name: Lint with flake8
      run: |
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 examples/ ot/ test/ --count --max-line-length=127 --statistics

  linux-minimal-deps:

    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, 'no ci')"
    steps:
    - uses: actions/checkout@v1
    - name: Set up Python 
      uses: actions/setup-python@v1
      with:
        python-version: 3.9
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install pytest
    - name: Install POT
      run: |
        pip install -e .
    - name: Run tests
      run: |
        python -m pytest --durations=20 -v test/ ot/ --color=yes


  macos:
     runs-on: macos-latest
     if: "!contains(github.event.head_commit.message, 'no ci')"
     strategy:
       max-parallel: 4
       matrix:
         python-version: ["3.10"]

     steps:
     - uses: actions/checkout@v1
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install POT
       run: |
         pip install -e .
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
         pip install pytest 
     - name: Run tests
       run: |
         python -m pytest --durations=20  -v test/ ot/ --color=yes


  windows:
    runs-on: windows-latest
    if: "!contains(github.event.head_commit.message, 'no ci')"
    strategy:
      max-parallel: 4
      matrix:
        python-version: ["3.10"]

    steps:
    - uses: actions/checkout@v1
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - name: RC.exe
      run: |
        function Invoke-VSDevEnvironment {
        $vswhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
            $installationPath = & $vswhere -prerelease -legacy -latest -property installationPath
            $Command = Join-Path $installationPath "Common7\Tools\vsdevcmd.bat"
          & "${env:COMSPEC}" /s /c "`"$Command`" -no_logo && set" | Foreach-Object {
                if ($_ -match '^([^=]+)=(.*)') {
                    [System.Environment]::SetEnvironmentVariable($matches[1], $matches[2])
                }
            }
        }
        Invoke-VSDevEnvironment
        Get-Command rc.exe | Format-Table -AutoSize
    - name: Update pip
      run : |
        python -m pip install --upgrade pip setuptools
        python -m pip install cython
    - name: Install POT
      run: |
        python -m pip install -e .
    - name: Install dependencies
      run: |
        python -m pip install -r .github/requirements_test_windows.txt
        python -m pip3 install torch torchvision torchaudio
        python -m pip install pytest
    - name: Run tests
      run: |
        python -m pytest --durations=20  -v test/ ot/ --color=yes