pytest.yaml

name: Test

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  # 05:00 UTC = 06:00 CET = 07:00 CEST
  schedule:
  - cron: "0 5 * * *"

# Cancel previous runs that have not completed
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

env:
  GAMS_VERSION: 25.1.1
  # See description in lint.yml
  depth: 100

jobs:
  pytest:
    strategy:
      matrix:
        os:
        - macos-latest
        - ubuntu-latest
        - windows-latest
        python-version:
        - "3.7"  # Earliest version supported by message_ix
        - "3.8"
        - "3.9"
        - "3.10"
        - "3.11"  # Latest version supported by message_ix

        # Below this comment are newly released or development versions of
        # Python. For these versions, binary wheels are not available for some
        # dependencies, e.g. llvmlite, numba, numpy, and/or pandas. Compiling
        # these on the job runner requires a more elaborate build environment,
        # currently out of scope for the message_ix project.

        # - "3.12.0-alpha.1"  # Development version

      fail-fast: false

    runs-on: ${{ matrix.os }}
    name: ${{ matrix.os }}-py${{ matrix.python-version }}

    steps:
    - name: Check out message_ix
      uses: actions/checkout@v3
      with:
        fetch-depth: ${{ env.depth }}

    - name: Fetch tags (for setuptools-scm)
      run: git fetch --tags --depth=${{ env.depth }}

    - uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
        cache: pip
        cache-dependency-path: "**/pyproject.toml"

    - name: Set RETICULATE_PYTHON
      # Use the environment variable set by the setup-python action, above.
      run: echo "RETICULATE_PYTHON=$pythonLocation" >> $GITHUB_ENV
      shell: bash

    - uses: ts-graphviz/setup-graphviz@v1.2.0
      with:
        macos-skip-brew-update: true

    - uses: r-lib/actions/setup-r@v2
      id: setup-r

    - name: Cache GAMS installer, Python packages, and R packages
      uses: actions/cache@v3
      with:
        path: |
          gams
          ${{ env.R_LIBS_USER }}
        key: ${{ matrix.os }}-gams${{ env.GAMS_VERSION }}-R${{ steps.setup-r.outputs.installed-r-version }}
        restore-keys: |
          ${{ matrix.os }}-gams${{ env.GAMS_VERSION }}-
          ${{ matrix.os }}-

    - uses: iiasa/actions/setup-gams@main
      with:
        version: ${{ env.GAMS_VERSION }}
        license: ${{ secrets.GAMS_LICENSE }}

    - name: Install Python package and dependencies
      # By default, the below installs ixmp from the main branch. To run against
      # other code, e.g. other branches for open PRs), temporarily edit as
      # appropriate. DO NOT merge such changes to `main`.
      run: |
        pip install --upgrade "ixmp @ git+https://github.com/iiasa/ixmp.git@main"
        pip install .[tests]

    - name: Install R dependencies and tutorial requirements
      run: |
        install.packages("remotes")
        remotes::install_cran(
          c("dplyr", "IRkernel", "reticulate"),
          dependencies = TRUE,
          # force = TRUE,
        )
        IRkernel::installspec()
      shell: Rscript {0}

    - name: Run test suite using pytest
      env:
        # For test_cli.test_dl; see code in message_ix.cli.dl
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      # Work around iiasa/ixmp#411
      run: |
        pytest message_ix \
          -m "not nightly" \
          -rA --verbose --color=yes --durations=20 \
          --cov-report=xml \
          --numprocesses=auto --dist=loadgroup || ( [ $? -eq 127 -a "${{ runner.os }}" = "Windows" ] && echo "Spurious exit code 127 from pytest" && exit 0)
      shell: bash

    - name: Test documentation build using Sphinx
      if: ${{ startsWith(matrix.os, 'ubuntu') }}
      env:
        # For pull_request triggers, GitHub creates a temporary merge commit
        # with a hash that does not match the head of the branch. Tell it which
        # branch to use.
        SPHINXOPTS: -D linkcode_github_remote_head=${{ github.head_ref }}
      run: make --directory=doc html

    - name: Upload test coverage to Codecov.io
      uses: codecov/codecov-action@v3