# This is a GitHub workflow defining a set of jobs with a set of steps.
# ref: https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions
#
name: Unit tests

on:
  pull_request:
    paths-ignore:
      - "docs/**"
      - "**.md"
      - "**.rst"
      - ".github/workflows/*"
      - "!.github/workflows/unit-test.yaml"
  push:
    paths-ignore:
      - "docs/**"
      - "**.md"
      - "**.rst"
      - ".github/workflows/*"
      - "!.github/workflows/unit-test.yaml"
    branches-ignore:
      - "dependabot/**"
      - "pre-commit-ci-update-config"
  workflow_dispatch:

jobs:
  unit-tests:
    name: ${{ matrix.name }}
    runs-on: ubuntu-${{ matrix.ubuntu_version }}
    container: ubuntu:${{ matrix.ubuntu_version }}

    strategy:
      fail-fast: false
      matrix:
        include:
          - name: "Unit tests: Ubuntu 18.04, Py 3.6"
            ubuntu_version: 18.04
            python_version: 3.6
          - name: "Unit tests: Ubuntu 20.04, Py 3.9"
            ubuntu_version: 20.04
            python_version: 3.9

    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python_version }}

      - name: Install venv, git and setup venv
        run: |
          apt-get update --yes && apt-get install --yes python3-venv git
          python3 -m venv /srv/venv
          echo '/srv/venv/bin' >> $GITHUB_PATH

      - name: Cache pip deps
        uses: actions/cache@v2
        with:
          path: /srv/venv/
          key: pip-${{ matrix.ubuntu_version }}-${{ matrix.python_version }}-${{ hashFiles('*setup.py', '*dev-requirements.txt') }}

      - name: Install Python dependencies
        run: |
          python3 -m pip install -U pip==20.0.*
          python3 -m pip install -r dev-requirements.txt
          python3 -m pip install -e .
          pip freeze

      - name: Run unit tests
        run: |
          pytest --verbose --maxfail=2 --color=yes --cov=tljh tests/

      - name: Upload code coverage stats
        run: |
          codecov