azure-pipelines.yml

# Azure Pipelines configuration file for Continuous Integration
# for building the package and running the tests under Windows.

jobs:
- job: 'Default'
  pool:
    vmImage: 'vs2017-win2016'
  strategy:
    maxParallel: 10
    matrix:
      Python35-x64:
        PYTHON_VERSION: '3.5'
        ARCH: 'x64'
        PIP_FLAGS: ''
      Python36:
        PYTHON_VERSION: '3.6'
        ARCH: 'x86'
        PIP_FLAGS: ''
      Python36-x64:
        PYTHON_VERSION: '3.6'
        ARCH: 'x64'
        PIP_FLAGS: ''
      Python37:
        PYTHON_VERSION: '3.7'
        ARCH: 'x86'
        PIP_FLAGS: ''
      Python37-x64:
        PYTHON_VERSION: '3.7'
        ARCH: 'x64'
        PIP_FLAGS: ''
      Python37-x64-pre:
        PYTHON_VERSION: '3.7'
        ARCH: 'x64'
        PIP_FLAGS: '--pre'
  continueOnError: false
  timeoutInMinutes: 60

  steps:
  - task: UsePythonVersion@0
    inputs:
      versionSpec: '$(PYTHON_VERSION)'
      architecture: '$(ARCH)'

  - powershell: |
      Write-Host "##vso[task.setvariable variable=PATH;]${env:PYTHON};${env:PYTHON}\Scripts;${env:PATH}";
    displayName: 'Add Python paths to PATH'

  - script: |
      @echo on

      :: Update pip
      python -m pip install --retries 3 -U pip setuptools

      :: Check that we have the expected version and architecture for Python
      python --version
      pip --version
      python -c "import struct; print('Void pointer width is', struct.calcsize('P') * 8)"
      pip list

      :: Install the build and runtime dependencies of the project
      pip install %PIP_FLAGS% --retries 3 -r requirements/default.txt
      pip install %PIP_FLAGS% --retries 3 -r requirements/build.txt
      pip list
    displayName: 'Pre-installation'

  - script: |
      @echo on

      :: Get stdint headers needed by tifffile.c
      curl https://raw.githubusercontent.com/chemeris/msinttypes/master/inttypes.h -o skimage/external/tifffile/inttypes.h
      curl https://raw.githubusercontent.com/chemeris/msinttypes/master/stdint.h -o skimage/external/tifffile/stdint.h

      :: Compile the package and build the wheel
      python setup.py bdist_wheel 

      :: Install the generated wheel package
      dir dist
      pip install %PIP_FLAGS% --no-index --find-links dist/ scikit-image
    displayName: 'Installation'

  - script: |
      @echo on

      :: Install the test dependencies
      pip install %PIP_FLAGS% --retries 3 -r requirements/test.txt
      pip list
    displayName: 'Pre-testing'

  - script: |
      @echo on

      :: Default working directory, where the source code is located,
      :: is D:\a\1\s or similar. In order to run the tests on the installed
      :: version of skimage, a different working directory is used.

      :: Use the Agg backend in Matplotlib
      echo backend ^: Agg > matplotlibrc

      echo "Running tests on the following version of scikit-image:"
      python -c "import skimage; print(skimage.__path__)"
      
      :: Run unit tests with pytest
      pytest -v --pyargs skimage

      :: [For further consideration]
      :: # -- Build the docs
      :: # -- Publish the .whl artifacts
      :: # -- Upload the content of dist/*.whl to a public wheelhouse
    workingDirectory: $(Agent.ToolsDirectory)
    displayName: 'Testing'