---
trigger:
  - master

jobs:
  - job: 'Test'
    pool:
      vmImage: 'ubuntu-latest'
    strategy:
      matrix:
        Typing:
          python.version: '3.7'
          tox.env: typing
        Lint:
          python.version: '3.7'
          tox.env: lint

        py27:
          python.version: '2.7'
          tox.env: py27
        py34:
          python.version: '3.4'
          tox.env: py34
        py35:
          python.version: '3.5'
          tox.env: py35
        py36:
          python.version: '3.6'
          tox.env: py36
        py37:
          python.version: '3.7'
          tox.env: py37
        py38:
          python.version: '3.8'
          tox.env: py38

        pypy2:
          python.version: 'pypy2'
          tox.env: pypy
        pypy3:
          python.version: 'pypy3'
          tox.env: pypy3


        Docs:
          python.version: '3.7'
          tox.env: docs
        PyPI-Description:
          python.version: '3.7'
          tox.env: pypi-description
        Changelog:
          python.version: '3.7'
          tox.env: changelog

    steps:
      - task: UsePythonVersion@0
        displayName: Get Python for Python tools.
        inputs:
          versionSpec: '3.7'
          addToPath: false
        name: pyTools

      - script: $(pyTools.pythonLocation)/bin/pip install --upgrade tox
        displayName: Install Python-based tools.

      - task: UsePythonVersion@0
        inputs:
          versionSpec: '$(python.version)'
          architecture: 'x64'
        condition: not(in(variables['python.version'], '3.8'))
        displayName: Use cached Python $(python.version) for tests.

      - script: |
          sudo add-apt-repository ppa:deadsnakes
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends python$(python.version)-dev python$(python.version)-distutils
        condition: in(variables['python.version'], '3.8')
        displayName: Install Python $(python.version) from the deadsnakes PPA for tests.

      - script: $(pyTools.pythonLocation)/bin/tox -e $(tox.env)
        env:
          TOX_AP_TEST_EXTRAS: azure-pipelines
        displayName: run tox -e $(tox.env)

      - script: |
          if [ ! -f .coverage.* ]; then
            echo No coverage data found.
            exit 0
          fi

          # codecov shells out to "coverage" and avoiding 'sudo pip' allows for
          # package caching.
          PATH=$HOME/.local/bin:$PATH

          case "$(python.version)" in
          "pypy2") PY=pypy ;;
          "pypy3") PY=pypy3 ;;
          *) PY=python$(python.version) ;;
          esac

          # Python 3.8 needs an up-to-date pip.
          if [ "$(python.version)" = "3.8" ]; then
            curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
            $PY get-pip.py --user
          fi

          $PY -m pip install --user coverage codecov

          coverage combine
          codecov
        env:
          CODECOV_TOKEN: $(codecov.token)
        displayName: Report Coverage
        condition: succeeded()