dist: xenial
os:
  - linux
  # - osx
language: python
python:
  - "3.8"
  - "3.7"
  - "3.6"
  - "3.5"
  - "pypy3"
jobs:
  include:
    # add a pep8 test
    - python: 3.6
      env: TOXENV=pep8

    # test setup.py using each tested version
    - python: 3.8
      env: TOXENV=py38-setup

    - python: 3.7
      env: TOXENV=py37-setup

    - python: 3.6
      env: TOXENV=py36-setup

    - python: 3.5
      env: TOXENV=py35-setup

    # do some tests with LC_ALL=C to check for locale variance
    - python: 3.6
      env: LC_ALL=C

  allow_failures:
    # pep8 failures shouldn't be considered fatal
    - env: TOXENV=pep8
    # pypy and pypy3 tests are just for fun
    - python: "pypy"
    - python: "pypy3"
    # osx, until it's working
    # - os: osx

# install requirements
install:
  - sed -i -e 's/^/#/' tests/gnupghome/gpg-agent.conf
  - ./install_dependencies.${TRAVIS_OS_NAME}.sh
  # ensure tox and virtualenv are up to date
  - pip install -U tox virtualenv

# set TOXENV if it isn't yet
before_script:
  - if [[ -z "$TOXENV" ]]; then export TOXENV=py${TRAVIS_PYTHON_VERSION//.}; fi
  - if [[ "${TRAVIS_PYTHON_VERSION}" == 'pypy' ]]; then export TOXENV=pypy; fi
  - if [[ "${TRAVIS_PYTHON_VERSION}" == 'pypy3' ]]; then export TOXENV=pypy3; fi

# run tox
script:
  - ./tox.sh