charm-swift-storage/unit_tests/test_misc_utils.py
James Page ab35249f38 Re-license charm as Apache-2.0
All contributions to this charm where made under Canonical
copyright; switch to Apache-2.0 license as agreed so we
can move forward with official project status.

Change-Id: I97206ee8be76220cb0937a09be3230432e04535a
2016-07-01 18:15:00 +01:00

41 lines
1.3 KiB
Python

# Copyright 2016 Canonical Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import tempfile
import unittest
import shutil
from mock import patch
from lib.misc_utils import ensure_block_device
class EnsureBlockDeviceTestCase(unittest.TestCase):
@patch("lib.misc_utils.is_block_device")
def test_symlinks_are_resolved(self, mock_function):
"""
Ensure symlinks pointing to block devices are resolved when passed to
ensure_block_device.
"""
# Create a temporary symlink pointing to /dev/null
temp_dir = tempfile.mkdtemp()
link_path = os.path.join(temp_dir, "null_link")
os.symlink("/dev/null", link_path)
result = ensure_block_device(link_path)
assert mock_function.called
self.assertEqual("/dev/null", result)
shutil.rmtree(temp_dir)