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|
from unittest.mock import (
patch, call, Mock
)
from pytest import raises
from kiwi.chroot_manager import (
ChrootManager, ChrootMount
)
from kiwi.exceptions import (
KiwiCommandError,
KiwiUmountBusyError
)
class TestChrootManager:
@patch('kiwi.chroot_manager.MountManager')
@patch('kiwi.chroot_manager.Command.run')
def test_run_in_chroot_context(self, mock_run, mock_mount):
mock_mntMngr = Mock()
mock_mount.return_value = mock_mntMngr
with ChrootManager(
'/some/root', binds=[
ChrootMount('/dev'), ChrootMount('/proc'), ChrootMount('/sys')
]
) as chroot:
chroot.run(['cmd', 'arg1', 'arg2'])
assert mock_mount.call_args_list == [
call(device='/dev', mountpoint='/some/root/dev'),
call(device='/proc', mountpoint='/some/root/proc'),
call(device='/sys', mountpoint='/some/root/sys')
]
mock_run.assert_called_once_with(
['chroot', '/some/root', 'cmd', 'arg1', 'arg2'],
None, True, False, True
)
mock_mntMngr.bind_mount.assert_called()
mock_mntMngr.umount.assert_called()
@patch('kiwi.chroot_manager.MountManager')
@patch('kiwi.chroot_manager.Command.run')
def test_run_fails_in_chroot_context(self, mock_run, mock_mount):
mock_mntMngr = Mock()
mock_mount.return_value = mock_mntMngr
mock_run.side_effect = Exception
with ChrootManager(
'/some/root', binds=[
ChrootMount('/dev'), ChrootMount('/proc'), ChrootMount('/sys')
]
) as chroot:
with raises(Exception):
chroot.run(['cmd', 'arg1', 'arg2'])
assert mock_mount.call_args_list == [
call(device='/dev', mountpoint='/some/root/dev'),
call(device='/proc', mountpoint='/some/root/proc'),
call(device='/sys', mountpoint='/some/root/sys')
]
mock_run.assert_called_once_with(
['chroot', '/some/root', 'cmd', 'arg1', 'arg2'],
None, True, False, True
)
mock_mntMngr.bind_mount.assert_called()
mock_mntMngr.umount.assert_called()
@patch('kiwi.chroot_manager.MountManager')
@patch('kiwi.chroot_manager.Command.run')
def test_run_fails_to_enter_chroot_context(self, mock_run, mock_mount):
mock_mntMngr = Mock()
mock_mount.return_value = mock_mntMngr
mock_mntMngr.bind_mount.side_effect = KiwiCommandError('mount error')
with raises(KiwiCommandError):
with ChrootManager(
'/some/root', binds=[
ChrootMount('/dev'), ChrootMount('/proc'),
ChrootMount('/sys')
]
) as chroot:
chroot.run(['cmd', 'arg1', 'arg2'])
assert mock_mount.call_args_list == [
call(device='/dev', mountpoint='/some/root/dev'),
call(device='/proc', mountpoint='/some/root/proc'),
call(device='/sys', mountpoint='/some/root/sys')
]
mock_run.assert_not_called()
mock_mntMngr.bind_mount.assert_called_once()
mock_mntMngr.umount.assert_called()
@patch('kiwi.chroot_manager.MountManager')
@patch('kiwi.chroot_manager.Command.run')
def test_run_fails_to_enter_and_clean_chroot_context(
self, mock_run, mock_mount
):
mock_mntMngr = Mock()
mock_mount.return_value = mock_mntMngr
mock_mntMngr.bind_mount.side_effect = KiwiCommandError('mount error')
mock_mntMngr.umount.side_effect = KiwiUmountBusyError('umount error')
with raises(KiwiCommandError):
with ChrootManager(
'/some/root', binds=[
ChrootMount('/dev'), ChrootMount('/proc'),
ChrootMount('/sys')
]
) as chroot:
chroot.run(['cmd', 'arg1', 'arg2'])
assert mock_mount.call_args_list == [
call(device='/dev', mountpoint='/some/root/dev'),
call(device='/proc', mountpoint='/some/root/proc'),
call(device='/sys', mountpoint='/some/root/sys')
]
mock_run.assert_not_called()
mock_mntMngr.bind_mount.assert_called_once()
mock_mntMngr.umount.assert_called()
@patch('kiwi.chroot_manager.MountManager')
@patch('kiwi.chroot_manager.Command.run')
def test_run_fails_to_clean_chroot_context(
self, mock_run, mock_mount
):
mock_mntMngr = Mock()
mock_mount.return_value = mock_mntMngr
mock_mntMngr.umount.side_effect = KiwiUmountBusyError('umount error')
with raises(KiwiUmountBusyError):
with ChrootManager(
'/some/root', binds=[
ChrootMount('/dev'), ChrootMount('/proc'),
ChrootMount('/sys')
]
) as chroot:
chroot.run(['cmd', 'arg1', 'arg2'])
assert mock_mount.call_args_list == [
call(device='/dev', mountpoint='/some/root/dev'),
call(device='/proc', mountpoint='/some/root/proc'),
call(device='/sys', mountpoint='/some/root/sys')
]
mock_run.assert_called_once_with(
['chroot', '/some/root', 'cmd', 'arg1', 'arg2'],
None, True, False, True
)
mock_mntMngr.bind_mount.assert_called()
mock_mntMngr.umount.assert_called()
|
