Source code for plainbox.testing_utils.cwd
# This file is part of Checkbox.
#
# Copyright 2012 Canonical Ltd.
# Written by:
# Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
#
# Checkbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# Checkbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
"""
:mod:`plainbox.testing_utils.cwd` -- tools for testing in another directory
===========================================================================
Implementation of context managers for working in another directory
"""
import os
[docs]class TestCwd:
"""
Context manager for doing some operations in another directory
"""
def __init__(self, alternate_cwd):
self._alternate_cwd = alternate_cwd
self._saved_cwd = None
def __enter__(self):
self._saved_cwd = os.getcwd()
os.chdir(self._alternate_cwd)
return self
def __exit__(self, *args):
os.chdir(self._saved_cwd)
self._saved_cwd = None