conftest.py

import os
import tempfile

import pytest

from click.testing import CliRunner


@pytest.fixture(scope="function")
def runner(request):
    return CliRunner()


def _check_symlinks_supported():
    with tempfile.TemporaryDirectory(prefix="click-pytest-") as tempdir:
        target = os.path.join(tempdir, "target")
        open(target, "w").close()
        link = os.path.join(tempdir, "link")

        try:
            os.symlink(target, link)
            return True
        except OSError:
            return False


symlinks_supported = _check_symlinks_supported()