version: 2.1

aliases:
  - &environ
    run:
      name: setup virtual environment
      # The below ensures the venv is activated for every subsequent step
      command: |
        virtualenv venv
        echo "source /home/circleci/project/venv/bin/activate" >> $BASH_ENV

  - &install
    run:
      name: install dependencies
      command: |
        pip install -U pip setuptools wheel tox tox-factor codecov

  - &test-steps
    steps:
      - checkout
      - *environ
      - *install
      - run: tox
      - run: coverage combine
      - run: coverage report
      - run: codecov

jobs:
  lint:
    steps:
      - checkout
      - *environ
      - *install
      - run: tox -e lint
    docker:
      - image: circleci/python:3.7

  test-py37:
    <<: *test-steps
    docker:
      - image: circleci/python:3.7
    environment:
      TOXFACTOR: py37

  test-py36:
    <<: *test-steps
    docker:
      - image: circleci/python:3.6
    environment:
      TOXFACTOR: py36

  test-py35:
    <<: *test-steps
    docker:
      - image: circleci/python:3.5
    environment:
      TOXFACTOR: py35

  test-py27:
    <<: *test-steps
    docker:
      - image: circleci/python:2.7
    environment:
      TOXFACTOR: py27


workflows:
  version: 2
  commit: &test-workflow
    jobs:
      - lint

      - test-py37:
          requires:
            - lint

      - test-py36:
          requires:
            - lint

      - test-py35:
          requires:
            - lint

      - test-py27:
          requires:
            - lint

  weekly:
    <<: *test-workflow
    triggers:
      - schedule:
          # 8/9 AM PST/PDT every Monday
          cron: "0 16 * * 1"
          filters:
            branches:
              only:
                - master