evergreen.yml

buildvariants:
- display_name: Ubuntu 16.04
  name: ubuntu1604
  run_on:
    - ubuntu1604-test
  tasks:
    - name: unit_tests
    - name: check_formatting

functions:
  create virtualenv:
  - command: shell.exec
    params:
      working_dir: src
      script: |
        set -o errexit
        virtualenv --python=/opt/mongodbtoolchain/v3/bin/python3 venv
        . venv/bin/activate

        pip install -r requirements.txt
        pip install -e .

pre:
- command: git.get_project
  params:
    directory: src
- func: create virtualenv

tasks:
- name: unit_tests
  commands:
  - command: shell.exec
    params:
      working_dir: src
      script: |
        set -o errexit
        . venv/bin/activate

        pytest --flake8 --ignore=venv

- name: check_formatting
  commands:
    - command: shell.exec
      params:
        working_dir: src
        script: |
          set -o errexit
          . venv/bin/activate

          black --check --diff src tests --config setup.cfg