The Messenger: fix items accessibility reachability bug due to new rules (ArchipelagoMW#2937)

Author: alwaysintreble

worlds/messenger/rules.py

@@ -523,7 +523,7 @@ def set_messenger_rules(self) -> None:
 
 def set_self_locking_items(world: "MessengerWorld", player: int) -> None:
     # locations where these placements are always valid
-    allow_self_locking_items(world.get_location("Searing Crags - Key of Strength"), "Power Thistle")
+    allow_self_locking_items(world.get_location("Searing Crags - Key of Strength").parent_region, "Power Thistle")
     allow_self_locking_items(world.get_location("Sunken Shrine - Key of Love"), "Sun Crest", "Moon Crest")
-    allow_self_locking_items(world.get_location("Corrupted Future - Key of Courage"), "Demon King Crown")
+    allow_self_locking_items(world.get_location("Corrupted Future - Key of Courage").parent_region, "Demon King Crown")
     allow_self_locking_items(world.get_location("Elemental Skylands Seal - Water"), "Currents Master")

worlds/messenger/test/test_access.py

@@ -1,3 +1,5 @@
+import typing
+
 from . import MessengerTestBase
 from ..constants import NOTES, PHOBEKINS
 
@@ -208,5 +210,8 @@ def test_self_locking_items(self) -> None:
             for item_name in location_lock_pairs[loc]:
                 item = self.get_item_by_name(item_name)
                 with self.subTest("Fulfills Accessibility", location=loc, item=item_name):
-                    self.assertTrue(self.multiworld.get_location(loc, self.player).can_fill(self.multiworld.state, item,
-                                                                                            True))
+                    location = self.multiworld.get_location(loc, self.player)
+                    self.assertTrue(location.can_fill(self.multiworld.state, item, True))
+                    location.item = item
+                    self.multiworld.state.update_reachable_regions(self.player)
+                    self.assertTrue(self.can_reach_location(loc))