def _snapshot_device(self, source, destination):
images.snapshot(None, source, destination)
def test_snapshot(self, mock_execute):
images.snapshot(None, '/a/b/c/base', '/a/b/c/snap')
mock_execute.assert_called_with(
None,
'qemu-img convert --force-share -O qcow2 /a/b/c/base /a/b/c/snap')