def test_persist_tree_after_tasks_inserted(self, mock_get_current_context):
"""
Make sure a marker tree isn't(Raises exception)
persisted after the current context's tasks have
been inserted
"""
from furious.context.context import Context
from furious.marker_tree.identity_utils import leaf_persistence_id_from_group_id
from furious.marker_tree.marker import Marker
from furious.marker_tree.exceptions import NotSafeToSave
a_context = Context(id="zebra")
a_context._tasks_inserted = True
mock_get_current_context.return_value = a_context
root_marker = Marker(id="zebra")
for x in xrange(3):
root_marker.children.append(Marker(id=leaf_persistence_id_from_group_id(root_marker.id, x)))
self.assertRaises(NotSafeToSave, root_marker.persist)
