language: python

services:
  - postgres
addons:
  postgresql: "9.6"

matrix:
  fast_finish: true
  include:
    # Django 2.1: Python 3.5, 3.6, or 3.7
    - { env: TOXENV=py35-django21, python: 3.5 }
    - { env: TOXENV=py36-django21, python: 3.6 }
    - { env: TOXENV=py37-django21, python: 3.7 }
    - { env: TOXENV=py37-django21-postgres DB=postgres, python: 3.7 }
    # Django 2.2: Python 3.5, 3.6, 3.7 or 3.8
    - { env: TOXENV=py35-django22, python: 3.5 }
    - { env: TOXENV=py36-django22, python: 3.6 }
    - { env: TOXENV=py37-django22, python: 3.7 }
    - { env: TOXENV=py38-django22, python: 3.8 }
    - { env: TOXENV=py38-django22-postgres DB=postgres, python: 3.8 }
    # Django 3.0: Python 3.6, 3.7 or 3.8
    - { env: TOXENV=py36-django30, python: 3.6 }
    - { env: TOXENV=py37-django30, python: 3.7 }
    - { env: TOXENV=py38-django30, python: 3.8 }
    - { env: TOXENV=py38-django30-postgres DB=postgres, python: 3.8 }
    # Django 3.1: Python 3.6, 3.7 or 3.8
    - { env: TOXENV=py36-django31, python: 3.6 }
    - { env: TOXENV=py37-django31, python: 3.7 }
    - { env: TOXENV=py38-django31, python: 3.8 }
    - { env: TOXENV=py38-django31-postgres DB=postgres, python: 3.8 }
    # Django development master (direct from GitHub source):
    - { env: TOXENV=py36-djangomaster, python: 3.6 }
    - { env: TOXENV=py37-djangomaster, python: 3.7 }
    - { env: TOXENV=py38-djangomaster, python: 3.8 }
    - { env: TOXENV=py38-djangomaster-postgres DB=postgres, python: 3.8 }

  allow_failures:
    - env: TOXENV=py36-djangomaster
    - env: TOXENV=py37-djangomaster
    - env: TOXENV=py38-djangomaster
    - env: TOXENV=py38-djangomaster-postgres DB=postgres

cache:
  directories:
    - $HOME/.cache/pip
    - $TRAVIS_BUILD_DIR/.tox

before_install:
- psql -c 'CREATE DATABASE default;' -U postgres || true
- psql -c 'CREATE DATABASE secondary;' -U postgres || true

install:
  - pip install --upgrade pip wheel setuptools
  - pip install codecov coverage tox

script:
  - tox

after_success:
  - coverage xml -i
  - codecov