Current File : //snap/core20/2379/lib/python3/dist-packages/probert/tests/helpers.py
# Copyright 2019 Canonical, Ltd.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import contextlib
import imp
import importlib
import mock
import random
import string
def builtin_module_name():
options = ('builtins', '__builtin__')
for name in options:
try:
imp.find_module(name)
except ImportError:
continue
else:
print('importing and returning: %s' % name)
importlib.import_module(name)
return name
@contextlib.contextmanager
def simple_mocked_open(content=None):
if not content:
content = ''
m_open = mock.mock_open(read_data=content)
mod_name = builtin_module_name()
m_patch = '{}.open'.format(mod_name)
with mock.patch(m_patch, m_open, create=True):
yield m_open
def random_string(length=8):
""" return a random lowercase string with default length of 8"""
return ''.join(
random.choice(string.ascii_lowercase) for _ in range(length))
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