# Licensed under a 3-clause BSD style license - see LICENSE.rst

# This file needs to be included here to make sure commands such

# as ``pytest docs/...`` works, since this

# will ignore the conftest.py file at the root of the repository

# and the one in astropy/conftest.py

import os

import tempfile

from pathlib import Path

import pytest

# Make sure we use temporary directories for the config and cache

# so that the tests are insensitive to local configuration.

os.environ["XDG_CONFIG_HOME"] = tempfile.mkdtemp("astropy_config")

os.environ["XDG_CACHE_HOME"] = tempfile.mkdtemp("astropy_cache")

Path(os.environ["XDG_CONFIG_HOME"]).joinpath("astropy").mkdir()

Path(os.environ["XDG_CACHE_HOME"]).joinpath("astropy").mkdir()

# Note that we don't need to change the environment variables back or remove

# them after testing, because they are only changed for the duration of the

# Python process, and this configuration only matters if running pytest

# directly, not from e.g. an IPython session.

@pytest.fixture(autouse=True)

def _docdir(request):

"""Run doctests in isolated tmp_path so outputs do not end up in repo."""

# Trigger ONLY for doctestplus

doctest_plugin = request.config.pluginmanager.getplugin("doctestplus")

if isinstance(request.node.parent, doctest_plugin._doctest_textfile_item_cls):

# Don't apply this fixture to io.rst. It reads files and doesn't write.

# Implementation from https://github.com/pytest-dev/pytest/discussions/10437

if "io.rst" not in request.node.name:

old_cwd = Path.cwd()

tmp_path = request.getfixturevalue("tmp_path")

os.chdir(tmp_path)

yield

os.chdir(old_cwd)

else:

yield

else:

yield