.travis.yml

x-pyenv-shard: &x-pyenv-shard
  language: generic
  env: &env >
    PYENV_ROOT="${HOME}/.pyenv_pex"
    PATH="${PYENV_ROOT}/shims:${PATH}"
  cache: &cache
    # The default is 3 minutes (180).
    timeout: 300
    directories:
      - .pyenv_test
      - "${PYENV_ROOT}"
  install: |
    PYENV="${PYENV_ROOT}/bin/pyenv"
    if [ ! -x "${PYENV}" ]; then
      rm -rf ${PYENV_ROOT}
      git clone https://github.com/pyenv/pyenv "${PYENV_ROOT}";
    fi
    "${PYENV}" install --keep --skip-existing ${PYENV_VERSION}
    "${PYENV}" global ${PYENV_VERSION}
    pip install -U tox "setuptools>=36"

x-py27: &x-py27 PYENV_VERSION=2.7.15

x-py37: &x-py37 PYENV_VERSION=3.7.0

x-pypy: &x-pypy PYENV_VERSION=pypy2.7-6.0.0

x-linux-shard: &x-linux-shard
  <<: *x-pyenv-shard
  os: linux
  sudo: false
  dist: trusty

x-linux-27-shard: &x-linux-27-shard
  <<: *x-linux-shard
  env:
    - *env
    - *x-py27

x-linux-pypy-shard: &x-linux-pypy-shard
  <<: *x-linux-shard
  env:
    - *env
    - *x-pypy

# Python 3.7 requires at least OpenSSL 1.0.2:
#   https://docs.python.org/3/whatsnew/3.7.html#platform-support-removals.
# Travis' `trusty` image does not get us there and, at the time of writing, the beta `xenial`
# distribution is not generally available. As such, we install and activate a custom OpenSSL
# here - the latest 1.0.2 version at the time of writing.
x-linux-37-shard: &x-linux-37-shard
  <<: *x-linux-shard
  addons:
    apt:
      packages:
        # Even though we install our own, it does not ship with a root CA store, so we ensure one
        # here at /usr/lib/ssl/certs and activate it by exporting SSL_CERT_DIR which OpenSSL knows
        # how to read.
        - openssl
  env:
    - *env
    - *x-py37
    - OPENSSL_VERSION=1.0.2p
    - OPENSSL_DIR="${HOME}/.pyenv_pex_openssl"
    - LD_LIBRARY_PATH="${OPENSSL_DIR}/lib"
    - SSL_CERT_DIR=/usr/lib/ssl/certs
    - PYTHON_CONFIGURE_OPTS="--with-openssl=${OPENSSL_DIR}"
    - TOX_TESTENV_PASSENV=SSL_CERT_DIR
  cache:
    <<: *cache
    directories:
      - .pyenv_test
      - "${PYENV_ROOT}"
      - "${OPENSSL_DIR}"
  before_install: |
    if [ ! -f "${OPENSSL_DIR}/installed-${OPENSSL_VERSION}" ]; then
      rm -rf "${OPENSSL_DIR}"
      curl https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz | tar -xz
      (
        cd openssl-${OPENSSL_VERSION}
        ./config shared --prefix="${OPENSSL_DIR}"
        make
        make install
      )
      touch "${OPENSSL_DIR}/installed-${OPENSSL_VERSION}"
    fi

x-osx-shard: &x-osx-shard
  <<: *x-pyenv-shard
  os: osx
  osx_image: xcode9.4

x-osx-ssl: &x-osx-ssl >
  CPPFLAGS=-I/usr/local/opt/openssl/include
  LDFLAGS=-L/usr/local/opt/openssl/lib

x-osx-27-shard: &x-osx-27-shard
  <<: *x-osx-shard
  env:
    - *env
    - *x-py27
    - *x-osx-ssl

x-osx-37-shard: &x-osx-37-shard
  <<: *x-osx-shard
  env:
    - *env
    - *x-py37
    - *x-osx-ssl

# NB: Travis partitions caches using a combination of os, language amd env vars. As such, we do not
# use TOXENV and instead pass the toxenv via -e on the command line. This helps ensure we share
# caches as much as possible (eg: all linux python 2.7.15 shards share a cache).
matrix:
  include:
    - <<: *x-linux-27-shard
      name: TOXENV=style
      script: tox -v -e style

    - <<: *x-linux-27-shard
      name: TOXENV=isort-check
      script: tox -v -e isort-check

    - <<: *x-linux-27-shard
      name: TOXENV=vendor-check
      script: tox -v -e vendor-check

    - <<: *x-linux-27-shard
      name: TOXENV=py27
      script: tox -v -e py27

    - <<: *x-linux-27-shard
      name: TOXENV=py27-subprocess
      script: tox -v -e py27-subprocess

    - <<: *x-linux-27-shard
      name: TOXENV=py27-requests
      script: tox -v -e py27-requests

    - <<: *x-linux-27-shard
      name: TOXENV=py27-requests-cachecontrol
      script: tox -v -e py27-requests-cachecontrol

    - <<: *x-linux-shard
      name: TOXENV=py35
      env:
        - *env
        - PYENV_VERSION=3.5.6
      script: tox -v -e py35

    - <<: *x-linux-shard
      name: TOXENV=py36
      env:
        - *env
        - PYENV_VERSION=3.6.6
      script: tox -v -e py36

    - <<: *x-linux-37-shard
      name: TOXENV=py37
      script: tox -v -e py37

    - <<: *x-linux-37-shard
      name: TOXENV=py37-requests
      script: tox -v -e py37-requests

    - <<: *x-linux-37-shard
      name: TOXENV=py37-requests-cachecontrol
      script: tox -v -e py37-requests-cachecontrol

    - <<: *x-linux-pypy-shard
      name: TOXENV=pypy
      script: tox -v -e pypy

    - <<: *x-linux-27-shard
      name: TOXENV=py27-integration
      script: tox -v -e py27-integration

    - <<: *x-linux-37-shard
      name: TOXENV=py37-integration
      script: tox -v -e py37-integration

    - <<: *x-linux-pypy-shard
      name: TOXENV=pypy-integration
      script: tox -v -e pypy-integration

    - <<: *x-osx-27-shard
      name: TOXENV=py27-requests
      script: tox -v -e py27-requests

    - <<: *x-osx-37-shard
      name: TOXENV=py37-requests
      script: tox -v -e py37-requests

    - <<: *x-osx-27-shard
      name: TOXENV=py27-integration
      script: tox -v -e py27-integration

    - <<: *x-osx-37-shard
      name: TOXENV=py37-integration
      script: tox -v -e py37-integration