conftest.py

# -*- coding: utf-8 -*-

from __future__ import print_function, division, absolute_import

import pytest


def pytest_addoption(parser):
    parser.addoption("--slow", dest="runslow", action="store_true",
                     help="allow slow tests to run")
    parser.addoption("--veryslow", dest="runveryslow", action="store_true",
                     help="allow very slow tests to run")


def pytest_configure(config):
    # register an additional marker
    config.addinivalue_line("markers", "slow: slow test")
    config.addinivalue_line("markers", "veryslow: very slow test")


def pytest_runtest_setup(item):
    if not isinstance(item, pytest.Function):
        return
    if not item.config.getvalue("runslow") and hasattr(item.obj, 'slow'):
        pytest.skip("slow test: pass --slow to run")
    if not item.config.getvalue("runveryslow") and hasattr(
            item.obj, 'veryslow'):
        pytest.skip("very slow test: pass --veryslow to run")