.travis.yml

language: python
os: linux

jobs:
  include:
    - name: "Linux, Python 3.8-dev, default MPI, newest packages, tests"
      python: "3.8-dev"
      before_install:
        - sudo `which pip` install --upgrade pip
        - pip install numpy
        - git clone --depth 1 git://github.com/numba/numba.git
        - cd numba
        - python setup.py install
        - cd ..
        - sed -i '/numba/d' requirements.txt
      before_script:
        - pip install -U $(pip freeze | grep -v numba | cut -d '=' -f 1)
        - export NUMBA_THREADING_LAYER=omp
        - python -m numba -s
        - python -c 'import numba; assert numba.get_num_threads() > 1 and numba.threading_layer() != "workqueue"'
      env: MPI=default
    - name: "Linux, Python 3.8, OpenMPI, required packages, tests and codecov"
      python: 3.8
      env: CODECOV=TRUE MPI=openmpi
    - name: "Linux, Python 3.8, MPICH, required packages, tests"
      python: 3.8
      env: MPI=mpich
    - name: "Linux, Python 3.8, no MPI, required packages, examples"
      python: 3.8
      env: EXAMPLES=TRUE MPI=none
    - name: "OSX, Python 3.8, OpenMPI, required packages, tests"
      language: shell
      os: osx
      before_install:
        - export PY_SFX=3
        - export HOMEBREW_NO_INSTALL_CLEANUP=1
        - export HOMEBREW_NO_AUTO_UPDATE=1
    - name: "Windows, Python 3.8, MS-MPI, required packages, tests"
      language: shell
      os: windows
      before_install:
        - choco install python --version 3.8.2
      env: PATH=/c/Python38:/c/Python38/Scripts:$PATH

install:
  - |
    if [[ $TRAVIS_OS_NAME == 'linux' ]]; then
      export apt_get_install="sudo apt-get install --no-install-recommends"
      if [[ $MPI == 'none'    ]]; then sed -i '/mpi4py/d' requirements.txt; fi
      if [[ $MPI == 'default' ]]; then $apt_get_install mpi-default-bin mpi-default-dev; fi
      if [[ $MPI == 'mpich'   ]]; then $apt_get_install mpich libmpich-dev; fi
      if [[ $MPI == 'openmpi' ]]; then $apt_get_install openmpi-bin libopenmpi-dev; fi

      $apt_get_install ffmpeg
    fi;
  - if [[ $TRAVIS_OS_NAME == 'osx' ]]; then brew install open-mpi; fi
  - |
    if [[ $TRAVIS_OS_NAME == 'windows' ]]; then
      WEB_ADDRESS=https://github.com/microsoft/Microsoft-MPI/releases/download/v10.1.1
      curl -L $WEB_ADDRESS/msmpisetup.exe -o msmpisetup.exe
      curl -L $WEB_ADDRESS/msmpisdk.msi -o msmpisdk.msi
      ./msmpisetup.exe
      msiexec //i msmpisdk.msi
      export PATH=/c/Program\ Files/Microsoft\ MPI/bin:$PATH
    fi;
  - pip$PY_SFX install -U -r requirements.txt

script:
  - python$PY_SFX -m numba -s
  - |
    if [[ $EXAMPLES == 'TRUE' ]]; then
      python$PY_SFX -m ipykernel install --user
      for i in PyMPDATA_examples/*/demo*.ipynb; do
        jupyter nbconvert --to markdown --stdout $i > $i.md.repo;
        travis_wait 30 jupyter nbconvert --ExecutePreprocessor.timeout=1800 --to markdown --execute --stdout $i || exit 1;
        # TEMPORARILY disabled before we find a solution for generated graphics causing diffs to differ
        # jupyter nbconvert --ExecutePreprocessor.timeout=1800 --to markdown --execute --stdout $i > $i.md.travis || exit 1;
        # diff $i.md.repo $i.md.travis
      done;
    else
      if [[ $CODECOV == 'TRUE' ]]; then
        python$PY_SFX -m pytest -k "not test_mpi" --cov-report term --cov=PyMPDATA PyMPDATA_tests || exit 1;
      else
        python$PY_SFX -m pytest PyMPDATA_tests -k "not test_mpi" || exit 1;
      fi;
      mpiexec -n 2 python$PY_SFX -m pytest -k "test_mpi" PyMPDATA_tests || exit 1;
    fi;

after_success:
  - |
    if [[ $CODECOV == 'TRUE' ]]; then
      codecov || exit 1;
    fi;