dist: xenial
language: python
cache: pip
addons:
  homebrew:
    update: true
    packages:
    - npm
    - pyenv
jobs:
  include:
    - name: "Python 2.7 on Linux"
      env: NODE_GYP_FORCE_PYTHON=python2
      python: 2.7

    - name: "Node.js 6 & Python 3.8 on Linux"
      python: 3.8
      env: NODE_GYP_FORCE_PYTHON=python3
      before_install: nvm install 6
    - name: "Node.js 8 & Python 3.8 on Linux"
      python: 3.8
      env: NODE_GYP_FORCE_PYTHON=python3
      before_install: nvm install 8
    - name: "Node.js 10 & Python 3.8 on Linux"
      python: 3.8
      env: NODE_GYP_FORCE_PYTHON=python3
      before_install: nvm install 10
    - name: "Node.js 12 & Python 3.5 on Linux"
      python: 3.5
      env: NODE_GYP_FORCE_PYTHON=python3
      before_install: nvm install 12
    - name: "Node.js 12 & Python 3.6 on Linux"
      python: 3.6
      env: NODE_GYP_FORCE_PYTHON=python3
      before_install: nvm install 12
    - name: "Node.js 12 & Python 3.7 on Linux"
      python: 3.7
      env: NODE_GYP_FORCE_PYTHON=python3
      before_install: nvm install 12
    - name: "Node.js 12 & Python 3.8 on Linux"
      python: 3.8
      env: NODE_GYP_FORCE_PYTHON=python3
      before_install: nvm install 12

    - name: "Python 2.7 on macOS"
      os: osx
      osx_image: xcode11.2
      language: shell  # 'language: python' is not yet supported on macOS
      env: NODE_GYP_FORCE_PYTHON=python2 PATH=$HOME/.pyenv/shims:$PATH PYENV_VERSION=2.7.17
      before_install: pyenv install $PYENV_VERSION
    - name: "Python 3.8 on macOS"
      os: osx
      osx_image: xcode11.2
      language: shell  # 'language: python' is not yet supported on macOS
      env: NODE_GYP_FORCE_PYTHON=python3 PATH=$HOME/.pyenv/shims:$PATH PYENV_VERSION=3.8.0
      before_install: pyenv install $PYENV_VERSION

    - name: "Node.js 6 & Python 2.7 on Windows"
      os: windows
      language: node_js
      node_js: 6  # node
      env: >-
        PATH=/c/Python27:/c/Python27/Scripts:$PATH
        NODE_GYP_FORCE_PYTHON=/c/Python27/python.exe
      before_install: choco install python2
    - name: "Node.js 12 & Python 2.7 on Windows"
      os: windows
      language: node_js
      node_js: 12  # node
      env: >-
        PATH=/c/Python27:/c/Python27/Scripts:$PATH
        NODE_GYP_FORCE_PYTHON=/c/Python27/python.exe
      before_install: choco install python2

    - name: "Node.js 12 & Python 3.7 on Windows"
      os: windows
      language: node_js
      node_js: 12  # node
      env: >-
        PATH=/c/Python37:/c/Python37/Scripts:$PATH
        NODE_GYP_FORCE_PYTHON=/c/Python37/python.exe
      before_install: choco install python --version=3.7.4
    - name: "Node.js 12 & Python 3.8 on Windows"
      os: windows
      language: node_js
      node_js: 12  # node
      env: >-
        PATH=/c/Python38:/c/Python38/Scripts:$PATH
        NODE_GYP_FORCE_PYTHON=/c/Python38/python.exe
      before_install: choco install python

install:
  - python -m pip install --upgrade flake8 pytest==4.6.6  # pytest 5 no longer supports legacy Python
before_script:
  - python -m flake8 --version
  # stop the build if there are Python syntax errors or undefined names
  - python -m flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
  # exit-zero treats all errors as warnings.  Two space indentation is OK.  The GitHub editor is 127 chars wide
  - python -m flake8 . --count --exit-zero --ignore=E111,E114,W503 --max-complexity=10 --max-line-length=127 --statistics
  - npm install
  - npm list
script:
  - node -e 'require("npmlog").level="verbose"; require("./lib/find-python")(null,()=>{})'
  - npm test
  - GYP_MSVS_VERSION=2015 GYP_MSVS_OVERRIDE_PATH="C:\\Dummy" python -m pytest
notifications:
  on_success: change
  on_failure: change  # `always` will be the setting once code changes slow down