Add appveyor config

build: false

environment:

  matrix:

    - PYTHON: "C:/Python36-x64"

install:

  - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"

  # Upgrade to the latest version of pip to avoid it displaying warnings

  # about it being out of date.

  - "pip install --disable-pip-version-check --user --upgrade pip"

  # Create poetry virtualenv

  - pip install poetry --pre

  # Install dependencies

  - poetry install -v

test_script:

  - "pytest --cov=poetry --cov-config=.coveragerc tests/"