Batch crop farming and stop on unreachable barrels

tests/test_grab_supplies.py

@@ -44,6 +44,20 @@ class GroundSupplyTests(unittest.TestCase):
         self.assertEqual(state.target_items, (items.CHEST_ID,))
         self.assertIs(state.state.__func__, state.find_ground_items.__func__)
 
+    def test_unreachable_barrel_ends_supply_task_without_trying_more(self):
+        class FakeWorld:
+            @staticmethod
+            def path_to_place_faked(_start, _barrel):
+                return None
+
+        state = GrabSuppliesStates(Munch(
+            pos=(0.5, 64.0, 0.5), world=FakeWorld(), chunks=Munch()))
+        state.barrel = (10, 64, 10)
+        state.path_to_barrel()
+
+        self.assertIs(state.state.__func__, state.cleanup.__func__)
+        self.assertEqual(state.bad_barrels, [(10, 64, 10)])
+
     def test_job_walks_to_and_picks_up_dropped_supply_before_barrels(self):
         axe_id = next(iter(items.AXE_IDS))
         dropped_axe = Munch(