class TestLoopDevice(object):
@patch('os.path.exists')
def setup(self, mock_exists):
mock_exists.return_value = False
self.loop = LoopDevice('loop-file', 20, 4096)
@raises(KiwiLoopSetupError)
def test_loop_setup_invalid(self):
LoopDevice('loop-file-does-not-exist-and-no-size-given')
def test_get_device(self):
assert self.loop.get_device() is None
def test_is_loop(self):
assert self.loop.is_loop() is True
@patch('os.path.exists')
@patch('kiwi.loop_device.Command.run')
def test_create(self, mock_command, mock_exists):
mock_exists.return_value = False
self.loop.create()
call = mock_command.call_args_list[0]
assert mock_command.call_args_list[0] == \
call([
'qemu-img', 'create', 'loop-file', '20M'
])
call = mock_command.call_args_list[1]
assert mock_command.call_args_list[1] == \
call([
'losetup', '-L', '4096', '-f', '--show', 'loop-file'
])
self.loop.node_name = None
@patch('kiwi.loop_device.Command.run')
@patch('kiwi.logger.log.warning')
def test_destructor(self, mock_log_warn, mock_command):
self.loop.node_name = '/dev/loop0'
mock_command.side_effect = Exception
self.loop.__del__()
mock_command.assert_called_once_with(['losetup', '-d', '/dev/loop0'])
assert mock_log_warn.called
self.loop.node_name = None
def test_loop_setup_invalid(self):
LoopDevice('loop-file-does-not-exist-and-no-size-given')
def setup(self, mock_exists):
mock_exists.return_value = False
self.loop = LoopDevice('loop-file', 20, 4096)