test.yml

name: Test

on:
  push:
  pull_request:
  schedule:
    - cron: '42 4 5,20 * *'


jobs:
  Test:
    runs-on: ubuntu-latest
    timeout-minutes: 20
    strategy:
      fail-fast: false
      matrix:
        python-version: [3.8, 3.9, '3.10', 3.11, 3.12, 3]
        MPI: ['openmpi', 'no'] # 'mpich' is broken, https://github.com/pmodels/mpich/issues/7256

    defaults:
      run:
        # this is needed, because otherwise conda env is not available
        shell: bash -leo pipefail {0} {0}

    steps:
    - name: Install build dependencies
      run: |
        sudo apt-get update && sudo apt-get -y --no-install-recommends install -y -qq libblas{3,-dev} liblapack{3,-dev} libatlas-base-dev cmake build-essential git gfortran 

    - name: Install openmpi
      if: ${{ matrix.MPI == 'openmpi' }}
      run: |
        sudo apt-get install -qq openmpi-bin libopenmpi-dev python3-mpi4py
        update-alternatives --list mpi|grep "${{ matrix.MPI }}" | xargs -rt sudo update-alternatives --set mpi
        update-alternatives --list mpirun|grep "${{ matrix.MPI }}" | xargs -rt sudo update-alternatives --set mpirun

    - name: Install mpich
      if: ${{ matrix.MPI == 'mpich' }}
      run: |
        sudo apt-get install -qq mpich libmpich-dev python3-mpi4py
        update-alternatives --list mpi|grep "${{ matrix.MPI }}" | xargs -rt sudo update-alternatives --set mpi
        update-alternatives --list mpirun|grep "${{ matrix.MPI }}" | xargs -rt sudo update-alternatives --set mpirun

    - uses: actions/checkout@v2
    - uses: mamba-org/setup-micromamba@v1
      with:
        environment-name: test
        cache-environment: false
        cache-downloads: true

    - name: Install python dependencies
      run: |
        micromamba install -c conda-forge --file conda-requirements.txt python=${{ matrix.python-version }} corner coveralls pytest toml
        pip install git+https://github.com/JohannesBuchner/coverage-lcov@feature-coverage7
        #sed --in-place -e 's,"report_include",,g' -e 's,"report_omit",,g' /usr/share/miniconda/envs/*/lib/python*/site-packages/coverage_lcov/converter.py
        conda list
        conda info -a

    - name: install mpi4py
      if: ${{ matrix.MPI != 'no' }}
      run: |
        pip install --user mpi4py
        python -c 'import mpi4py'

    - name: Install MultiNest
      run: |
        git clone https://github.com/JohannesBuchner/MultiNest
        mkdir -p MultiNest/build; pushd MultiNest/build; cmake .. && make && popd
        test -e MultiNest/lib/libmultinest.so
        echo LD_LIBRARY_PATH=MultiNest/lib/:${LD_LIBRARY_PATH} >> $GITHUB_ENV
        echo RDMAV_FORK_SAFE=1 >> $GITHUB_ENV

    - name: Install PyMultiNest
      run: |
        python -m pip install .

    - name: Test imports
      run: |
         python -c 'import pymultinest'
         rm -rf chains/

    - name: No-MPI tests
      if: ${{ matrix.MPI == 'no' }}
      run: |
        # do not test pycuba, it is broken
        rm tests/pycuba_test.py
        coverage run -m pytest
        coverage report
        coverage-lcov
        python pymultinest_demo_minimal.py
        python pymultinest_demo.py

    - name: MPI tests
      if: ${{ matrix.MPI == 'openmpi' }}
      run: |
        mpiexec -np 4 --oversubscribe python pymultinest_demo_minimal.py
        mpiexec -np 4 --oversubscribe python pymultinest_demo.py
    - name: MPI tests
      if: ${{ matrix.MPI == 'mpich' }}
      run: |
        mpiexec -np 4 python pymultinest_demo_minimal.py
        mpiexec -np 4 python pymultinest_demo.py

    - name: Long filename test
      run: |
        python tests/pymultinest_long_name_test.py;
    - name: Marginal scripts test
      run: |
        python multinest_marginals.py chains/3-
        python multinest_marginals_corner.py chains/3-

    - name: Coveralls Finished
      uses: coverallsapp/github-action@master
      if: ${{ matrix.MPI == 'no' }}
      with:
        path-to-lcov: lcov.info
        github-token: ${{ secrets.github_token }}
        flag-name: MPI-${{ matrix.MPI }}

  CondaTest:
    runs-on: ubuntu-latest
    timeout-minutes: 20

    defaults:
      run:
        # this is needed, because otherwise conda env is not available
        shell: bash -leo pipefail {0} {0}

    steps:
    - uses: actions/checkout@v2
    - uses: mamba-org/setup-micromamba@v1
      with:
        cache-environment: false
        cache-downloads: true
        environment-name: test
        environment-file: conda-requirements.txt

    - name: Install dependencies
      run: micromamba install -c conda-forge --quiet multinest

    - name: Test imports
      run: |
        python -m pip install .
        python -c 'import pymultinest'

    - name: Tests
      run: |
        python pymultinest_demo_minimal.py