def test_should_create_copy_of_mutable_store(self):
store = MutableGraphStore(self.store)
self.assertEqual(store.node_count(), 4)
self.assertEqual(store.relationship_count(), 4)
self.assertEqual(store.node_labels(), {"X", "Y"})
self.assertEqual(store.relationship_types(), {"KNOWS"})
def test_should_create_empty_on_none(self):
store = MutableGraphStore()
self.assertEqual(store.node_count(), 0)
self.assertEqual(store.relationship_count(), 0)
self.assertFalse(store.node_labels())
self.assertFalse(store.relationship_types())