# Useful GitHub Actions docs:
#
# - https://help.github.com/en/actions
# - https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
# - https://help.github.com/en/actions/configuring-and-managing-workflows/configuring-a-workflow
# - https://help.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions

name: Continuous Integration

on:
  push:
  pull_request:
  schedule:
    # Weekly test so we know if tests break for external reasons
    # https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows#scheduled-events
    - cron: '36 10 * * 0'

# Global environment variables
env:
  GIT_COMMITTER_EMAIL: ci-user@github.local
  GIT_COMMITTER_NAME: CI User
  GIT_AUTHOR_EMAIL: ci-user@github.local
  GIT_AUTHOR_NAME: CI User

jobs:
  # Job to run linter / autoformat
  lint:
    runs-on: ubuntu-18.04
    steps:
      # Action Repo: https://github.com/actions/checkout
      - name: "Checkout repo"
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      # Action Repo: https://github.com/actions/setup-python
      - name: "Setup Python"
        uses: actions/setup-python@v2
        with:
          python-version: "3.8"

      # Action Repo: https://github.com/actions/cache
      - name: "Cache pip dependencies"
        uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('dev-requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: "Install dependencies"
        run: |
          pip install --upgrade setuptools pip
          pip install --upgrade -r dev-requirements.txt
          pip freeze

      - name: "Run linter"
        run: |
          pre-commit run --all-files

  test:
    # Previous job must have successfully completed for this job to execute
    # - https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idneeds
    needs: lint
    runs-on: ubuntu-18.04
    # - https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idstrategy
    strategy:
      fail-fast: false  # Do not cancel all jobs if one fails
      matrix:
        python_version: ["3.8"]
        repo_type:
          - base
          - conda
          - dockerfile
          - external
          - julia
          - nix
          - pipfile
          - r
          - unit
          - venv
        include:
          - python_version: "3.6"
            repo_type: venv

    steps:
      - name: "Checkout repo"
        uses: actions/checkout@v2

      - name: "Setup Python"
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python_version }}

      # Action Repo: https://github.com/actions/cache
      - name: "Cache pip dependencies"
        uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('dev-requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: "Install"
        run: |
          pip install --upgrade setuptools pip wheel
          pip install --upgrade -r dev-requirements.txt
          python setup.py bdist_wheel
          pip install dist/*.whl
          pip freeze
          # hg-evolve pinned to 9.2 because hg-evolve dropped support for
          # hg 4.5, installed with apt in Ubuntu 18.04
          $(hg debuginstall --template "{pythonexe}") -m pip install hg-evolve==9.2 --user

      - name: "Run tests"
        run: |
          cd tests
          pytest --durations 10 --cov repo2docker -v ${{ matrix.repo_type }}

      # Action Repo: https://github.com/codecov/codecov-action
      - uses: codecov/codecov-action@v1
        with:
          directory: ./tests