tox.ini

[tox]
envlist =
  skip-browser-tests,chrome,firefox,firefox-xvfb
skip_missing_interpreters = true

[testenv]
# Include numpy in deps to ensure the package is built with the same version as
# is installed.  Otherwise, setup_requires may result in it being built with a
# prerelease version that is incompatible with the installed version.
deps =
  numpy

extras =
  test
  chrome,firefox: test-browser
  chrome: test-chrome
  firefox: test-firefox

whitelist_externals =
  xvfb-run

# Pass through DISPLAY to allow non-headless web browsers on Linux
passenv = DISPLAY

setenv =
  PYTHONUNBUFFERED = yes

changedir = python/tests

# browser-based tests are flaky and can hang, so set a 30 second timeout and retry up to 10 times.
# Use `timeout_func_only=true` to work around https://github.com/pytest-dev/pytest-rerunfailures/issues/99
commands = pytest -vv -s --timeout=30 -o timeout_func_only=true --reruns 10

[testenv:skip-browser-tests]
commands = {[testenv]commands} --skip-browser-tests

[testenv:chrome]
commands = {[testenv]commands} --browser chrome

[testenv:firefox]
commands = {[testenv]commands} --browser firefox

[testenv:firefox-xvfb]
commands = xvfb-run --auto-servernum --server-args='-screen 0 1024x768x24' {[testenv:firefox]commands}