Fix bug in allowed modes

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "multimodalrouter"
-version = "0.1.12"
+version = "0.1.13"
 description = "A graph-based routing library for dynamic routing."
 readme = "README.md"
 license = { file = "LICENSE.md" }

src/multimodalrouter/graph/graph.py

@@ -447,6 +447,11 @@ def _dijkstra_single_source(
         # best result per target
         results: dict[str, tuple[PathNode, EdgeMetadata, tuple]] = {}
 
+        if allowed_modes is None:
+            allowed_modes = list(self.TransportModes.values())
+            if self.drivingEnabled:
+                allowed_modes.append("driving")
+
         while pq:
             priority, _, path_node, acc_metrics = heapq.heappop(pq)
             hub_id = path_node.hub_id

tests/unit/test_routegraph_public_features.py

@@ -842,7 +842,7 @@ def test_lexicographic_hops_beats_long_chain(self):
         route = graph.find_shortest_path(
             'A',
             'J',
-            allowed_modes=['mv'],
+            allowed_modes=None, # tests default
             optimization_metric=['hops', 'distance'],
             verbose=True,
         )