name: Linux

on:
  push:
    branches:
      - '**'
    paths:
      - 'test/**'
      - 'pysr/**'
      - '.github/workflows/CI.yml'
      - 'setup.py'
    tags:
      - 'v*.*.*'
  pull_request:
    branches:
      - '*'
    paths:
      - 'test/**'
      - 'pysr/**'
      - '.github/workflows/CI.yml'
      - 'setup.py'

jobs:
  test:
    runs-on: ${{ matrix.os }}
    timeout-minutes: 60
    defaults:
      run:
        shell: bash
    strategy:
      matrix:
        julia-version: ['1.8.2']
        python-version: ['3.9']
        os: [ubuntu-latest]
    
    steps:
      - uses: actions/checkout@v3
      - name: "Set up Julia"
        uses: julia-actions/setup-julia@v1
        with:
          version: ${{ matrix.julia-version }}
      - name: "Cache Julia"
        uses: julia-actions/cache@v1
        with:
          cache-name: ${{ matrix.os }}-test-${{ matrix.julia-version }}-${{ matrix.python-version }}
          cache-packages: false
      - name: "Set up Python"
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
          cache: pip
      - name: "Install PySR"
        run: |
            python -m pip install --upgrade pip
            pip install -r requirements.txt
            python setup.py install
            python -c 'import pysr; pysr.install()'
      - name: "Install Coverage tool"
        run: pip install coverage coveralls
      - name: "Run tests"
        run: coverage run --source=pysr --omit='*/test/*,*/feynman_problems.py' -m pysr.test main
      - name: "Install JAX"
        run: pip install jax jaxlib # (optional import)
      - name: "Run JAX tests"
        run: coverage run --append --source=pysr --omit='*/test/*,*/feynman_problems.py' -m pysr.test jax
      - name: "Install Torch"
        run: pip install torch # (optional import)
      - name: "Run Torch tests"
        run: coverage run --append --source=pysr --omit='*/test/*,*/feynman_problems.py' -m pysr.test torch
      - name: "Run custom env tests"
        run: coverage run --append --source=pysr --omit='*/test/*,*/feynman_problems.py' -m pysr.test env
      - name: "Coveralls"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COVERALLS_FLAG_NAME: test-${{ matrix.test-name }}
          COVERALLS_PARALLEL: true
        run: coveralls --service=github

  conda_test:
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash -l {0}
    strategy:
      matrix:
        python-version: ['3.9']
        os: ['ubuntu-latest']
    
    steps:
      - uses: actions/checkout@v3
      - name: "Cache conda"
        uses: actions/cache@v2
        env:
          CACHE_NUMBER: 0
        with:
          path: ~/conda_pkgs_dir
          key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('environment.yml') }}
      - name: "Set up Conda"
        uses: conda-incubator/setup-miniconda@v2
        with:
          miniforge-variant: Mambaforge
          miniforge-version: latest
          auto-activate-base: true
          python-version: ${{ matrix.python-version }}
          activate-environment: pysr-test
          environment-file: environment.yml
      - name: "Cache Julia"
        uses: julia-actions/cache@v1
        with:
          cache-name: ${{ matrix.os }}-conda-${{ matrix.python-version }}
          cache-packages: false
      - name: "Install PySR"
        run: |
            python3 -m pip install .
            python3 -c 'import pysr; pysr.install()'
      - name: "Run tests"
        run: cd /tmp && python -m pysr.test main

  coveralls:
    name: Indicate completion to coveralls.io
    needs: 
      - test
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash -l {0}
    container: python:3-slim
    steps:
      - name: Finished
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
            pip install coveralls
            coveralls --finish