jobs:
- job: linux
  displayName: 'Linux'
  pool:
    # List of available software on this image:
    # https://github.com/Microsoft/azure-pipelines-image-generation/blob/master/images/linux/Ubuntu1604-README.md
    vmImage: 'ubuntu-16.04'
  strategy:
    matrix:
      'Python 2.7':
        # Tests are failing on Python 2.7.0 with the exception
        # "TypeError: argument can't be <type 'unicode'>"
        YCM_PYTHON_VERSION: '2.7.1'
      'Python 3.5':
        YCM_PYTHON_VERSION: '3.5.1'
    maxParallel: 2
  variables:
    COVERAGE: true
  # Cannot take advantage of the UsePythonVersion task because headers are
  # missing from the provided Python.
  steps:
  - checkout: self
    submodules: recursive
  - script: ./azure/linux/install_dependencies.sh
    displayName: Install dependencies
  - script: ./azure/run_tests.sh
    displayName: Run tests
  - script: ./azure/send_coverage.sh
    displayName: Send coverage
    env:
      CODECOV_TOKEN: $(CODECOV_TOKEN)
      CODECOV_JOB_NAME: '$(Agent.JobName)'
- job: macos
  displayName: 'macOS'
  pool:
    # List of available software on this image:
    # https://github.com/Microsoft/azure-pipelines-image-generation/blob/master/images/macos/macos-10.13-Readme.md
    vmImage: 'macOS-10.13'
  strategy:
    matrix:
      'Python 2.7':
        # Prior versions fail to compile with error "ld: library not found for
        # -lSystemStubs"
        YCM_PYTHON_VERSION: '2.7.2'
      'Python 3.5':
        YCM_PYTHON_VERSION: '3.5.1'
    maxParallel: 2
  variables:
    COVERAGE: true
  steps:
  - checkout: self
    submodules: recursive
  - script: ./azure/macos/install_dependencies.sh
    displayName: Install dependencies
  - script: ./azure/run_tests.sh
    displayName: Run tests
  - script: ./azure/send_coverage.sh
    displayName: Send coverage
    env:
      CODECOV_TOKEN: $(CODECOV_TOKEN)
      CODECOV_JOB_NAME: '$(Agent.JobName)'
- job: windows
  displayName: Windows
  pool:
    # List of available software on this image:
    # https://github.com/Microsoft/azure-pipelines-image-generation/blob/master/images/win/Vs2017-Server2016-Readme.md
    vmImage: 'vs2017-win2016'
  strategy:
    matrix:
      # We only test Python 2.7 on 64-bit.
      'Python 2.7 64-bit':
        YCM_PYTHON_VERSION: '2.7'
        YCM_ARCH: x64
      'Python 3.7 32-bit':
        YCM_PYTHON_VERSION: '3.7'
        YCM_ARCH: x86
      'Python 3.7 64-bit':
        YCM_PYTHON_VERSION: '3.7'
        YCM_ARCH: x64
    maxParallel: 3
  variables:
    COVERAGE: true
  steps:
  - checkout: self
    submodules: recursive
  # See https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/tool/use-python-version?view=azure-devops
  # for a description of this task.
  - task: UsePythonVersion@0
    inputs:
      versionSpec: '$(YCM_PYTHON_VERSION)'
      architecture: '$(YCM_ARCH)'
  - script: pip install -r python/test_requirements.txt
    displayName: Install dependencies
  - script: python run_tests.py
    displayName: Run tests
  - script: codecov --name "$(Agent.JobName)"
    displayName: Send coverage
    env:
      CODECOV_TOKEN: $(CODECOV_TOKEN)