testing.yml

name: Unit Tests

on:
  push:
  pull_request:

jobs:
  build:
    # pull requests are a duplicate of a branch push if within the same repo.
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository

    strategy:
      matrix:
        host-os: ["ubuntu-latest", "macos-latest", "windows-latest"]
        python-version: ["3.9", "3.10", "3.11"]
      fail-fast: false

    runs-on: ${{ matrix.host-os }}

    defaults:
      run:
        shell: bash -l {0}

    steps:
      - uses: actions/checkout@v4

      - uses: conda-incubator/setup-miniconda@v2
        with:
          activate-environment: testenv
          allow-softlinks: true
          auto-activate-base: false
          auto-update-conda: true
          channel-priority: flexible
          channels: conda-forge
          miniconda-version: "latest"
          python-version: ${{ matrix.python-version }}
          show-channel-urls: true
          use-only-tar-bz2: false

      - name: Install the package
        run: |
          set -vxeuo pipefail

          # These packages are installed in the base environment but may be older
          # versions. Explicitly upgrade them because they often create
          # installation problems if out of date.
          python3 -m pip install --upgrade pip setuptools wheel numpy

          # Versioneer uses the most recent git tag to generate __version__,
          # which appears in the published documentation.
          git fetch --tags
          python3 -m pip install .
          python3 -m pip list

      - name: Install test requirements
        run: |
          set -vxeuo pipefail
          python3 -m pip install -r requirements-dev.txt
          python3 -m pip list

      - name: Test with pytest
        run: |
          set -vxeuo pipefail
          coverage run -m pytest -v
          coverage report