# AppVeyor.com is a Continuous Integration service to build and run tests under
# Windows. This .yml file is based on scikit-learn and statsmodels' Appveyor CI
# setups, adapted for use with the Hands-on Supervised Learning repo

# This image contains the most pre-installed software (including supposedly
# MinGW and Miniconda?...)
image:
- Visual Studio 2015

cache:
  - '%LOCALAPPDATA%\pip\Cache'

environment:
  global:
    APPVEYOR_SAVE_CACHE_ON_ERROR: false
    TEST_TIMEOUT: 1000
    # SDK v7.0 MSVC Express 2008's SetEnv.cmd script will fail if the
    # /E:ON and /V:ON options are not enabled in the batch script interpreter
    # See: http://stackoverflow.com/a/13751649/163740
    # CMD_IN_ENV: "cmd /E:ON /V:ON /C .\\build_tools\\appveyor\\run_with_env.cmd"

  matrix:
    - PYTHON: C:\Miniconda35
      PYTHON_VERSION: 3.5
      PYTHON_ARCH: 32

    - PYTHON: C:\Miniconda35-x64
      PYTHON_VERSION: 3.5
      PYTHON_ARCH: 64

    # Currently failing due to Appveyor bugs?
    # - PYTHON: C:\Miniconda36
    #   PYTHON_VERSION: 3.6
    #   PYTHON_ARCH: 32
    #
    # - PYTHON: C:\Miniconda36-x64
    #   PYTHON_VERSION: 3.6
    #   PYTHON_ARCH: 64

init:
  - "ECHO \"%APPVEYOR_SCHEDULED_BUILD%\""

  # If there is a newer build queued for the same PR, cancel this one.
  # The AppVeyor 'rollout builds' option is supposed to serve the same
  # purpose but it is problematic because it tends to cancel builds pushed
  # directly to master instead of just PR builds (or the converse).
  # credits: JuliaLang developers.
  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
          Write-Host "There are newer queued builds for this pull request, skipping build."
          Exit-AppveyorBuild
        }
  - ps: |
      If (($env:SKIP_NOTAG -eq "true") -and ($env:APPVEYOR_REPO_TAG -ne "true")) {
          Write-Host "Skipping build, not at a tag."
          Exit-AppveyorBuild
      }

install:
  - C:\cygwin\bin\du -hs "%LOCALAPPDATA%\pip\Cache"

  # Prepend Miniconda to the PATH of this build (this cannot be
  # done from inside the powershell script as it would require to restart
  # the parent CMD process).
  - SET PATH=%PYTHON%;%PYTHON%\Scripts;%PYTHON%\Library\bin;%PATH%

  # Setup the conda config
  - conda config --set always_yes yes
  - ps: conda create -n testenv --yes python=$env:PYTHON_VERSION
  - activate testenv
  - pip install -r requirements.txt
  - pip install pytest

build_script:
  # set up the package
  - python setup.py install

after_build:
  # Remove old or huge cache files to hopefully not exceed the 1GB cache limit.
  #
  # If the cache limit is reached, the cache will not be updated (of not even
  # created in the first run). So this is a trade of between keeping the cache
  # current and having a cache at all.
  # NB: This is done only `on_success` since the cache in uploaded only on
  # success anyway.
  - C:\cygwin\bin\find "%LOCALAPPDATA%\pip" -type f -mtime +360 -delete
  - C:\cygwin\bin\find "%LOCALAPPDATA%\pip" -type f -size +10M -delete
  - C:\cygwin\bin\find "%LOCALAPPDATA%\pip" -empty -delete

  # Show size of cache
  - C:\cygwin\bin\du -hs "%LOCALAPPDATA%\pip\Cache"

test_script:
  - python -m pytest --showlocals --durations=20 --pyargs packtml