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# Copyright (c) 2013 Red Hat, Inc.
#
# 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 unittest
import os, fcntl, errno, shutil
from tempfile import mkdtemp
import gluster.swift.common.Glusterfs as gfs
def mock_os_path_ismount(path):
return True
def mock_get_export_list():
return ['test', 'test2']
def mock_os_system(cmd):
return False
def mock_fcntl_lockf(f, *a, **kw):
raise IOError(errno.EAGAIN)
def _init():
global _RUN_DIR, _OS_SYSTEM, _FCNTL_LOCKF
global _OS_PATH_ISMOUNT, __GET_EXPORT_LIST
_RUN_DIR = gfs.RUN_DIR
_OS_SYSTEM = os.system
_FCNTL_LOCKF = fcntl.lockf
_OS_PATH_ISMOUNT = os.path.ismount
__GET_EXPORT_LIST = gfs._get_export_list
def _init_mock_variables(tmpdir):
os.system = mock_os_system
os.path.ismount = mock_os_path_ismount
gfs.RUN_DIR = os.path.join(tmpdir, 'var/run/swift')
gfs._get_export_list = mock_get_export_list
def _reset_mock_variables():
gfs.RUN_DIR = _RUN_DIR
gfs._get_export_list = __GET_EXPORT_LIST
os.system = _OS_SYSTEM
fcntl.lockf = _FCNTL_LOCKF
os.path.ismount = _OS_PATH_ISMOUNT
class TestGlusterfs(unittest.TestCase):
""" Tests for common.GlusterFS """
def setUp(self):
_init()
def test_mount(self):
try:
tmpdir = mkdtemp()
root = os.path.join(tmpdir, 'mnt/gluster-object')
drive = 'test'
_init_mock_variables(tmpdir)
assert gfs.mount(root, drive)
finally:
_reset_mock_variables()
shutil.rmtree(tmpdir)
def test_mount_egain(self):
try:
tmpdir = mkdtemp()
root = os.path.join(tmpdir, 'mnt/gluster-object')
drive = 'test'
_init_mock_variables(tmpdir)
assert gfs.mount(root, drive)
fcntl.lockf = mock_fcntl_lockf
assert gfs.mount(root, drive)
finally:
_reset_mock_variables()
shutil.rmtree(tmpdir)
def test_mount_get_export_list_err(self):
gfs._get_export_list = mock_get_export_list
assert not gfs.mount(None, 'drive')
_reset_mock_variables()
def tearDown(self):
_reset_mock_variables()
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