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# Copyright 2018 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import unittest
import vmdb
class UnmountTests(unittest.TestCase):
def setUp(self):
self.mounts = ProcMounts()
def unmount(self, what):
vmdb.unmount(
what,
mounts=str(self.mounts),
real_unmount=self.mounts.unmount)
def test_raises_error_if_not_mounted(self):
with self.assertRaises(vmdb.NotMounted):
self.unmount('/foo')
def test_unmounts_mounted_dir(self):
self.mounts.mount('/dev/foo', '/foo')
self.unmount('/foo')
self.assertFalse(self.mounts.is_mounted('/foo'))
def test_unmounts_mounted_dir_with_submounts(self):
self.mounts.mount('/dev/foo', '/foo')
self.mounts.mount('/dev/bar', '/foo/bar')
self.unmount('/foo')
self.assertFalse(self.mounts.is_mounted('/foo'))
self.assertFalse(self.mounts.is_mounted('/foo/bar'))
class ProcMounts:
def __init__(self):
self.mounts = []
def is_mounted(self, what):
return any(what in mount for mount in self.mounts)
def mount(self, device, point):
self.mounts.append((device, point))
def unmount(self, what):
self.mounts = [
mount
for mount in self.mounts
if what not in mount
]
def __str__(self):
return ''.join(
'{}\n'.format(self.mount_line(mount))
for mount in self.mounts
)
def mount_line(self, mount):
return '{} {} fstype options 0 0'.format(mount[0], mount[1])
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