image: python

stages:
  - linters
  - tests

variables:
  PIP_CACHE_DIR: "$CI_PROJECT_DIR/vendor/pip"

cache:
  paths:
    - vendor

linters:
  stage: linters
  before_script:
    - mkdir -p vendor/pip
    - pip install --upgrade black isort flake8
  script:
    - black --check .
    - isort --check --diff .
    - flake8 --exit-zero authens

before_script:
  - mkdir -p vendor/{apt,pip}
  - apt-get update -q && apt-get -o dir::cache::archives="vendor/apt" install -yqq python3-dev libldap2-dev libsasl2-dev
  - pip install tox

python35:
  image: python:3.5
  stage: tests
  script:
    - tox -e py35-django22

python36:
  image: python:3.6
  stage: tests
  script:
    - tox -e py36-django22
    - tox -e py36-django30

python37:
  image: python:3.7
  stage: tests
  script:
    - tox -e py37-django22
    - tox -e py37-django30

python38:
  image: python:3.8
  stage: tests
  script:
    - tox -e py38-django22
    - tox -e py38-django30