chore: add no_map constant

Author: Lash-L

roborock/const.py

@@ -78,3 +78,5 @@
     ROBOROCK_P10,
     ROCKROBO_G10_SG,
 ]
+
+NO_MAP = 63

roborock/containers.py

@@ -65,6 +65,7 @@
     FILTER_REPLACE_TIME,
     MAIN_BRUSH_REPLACE_TIME,
     MOP_ROLLER_REPLACE_TIME,
+    NO_MAP,
     ROBOROCK_G10S_PRO,
     ROBOROCK_P10,
     ROBOROCK_Q7_MAX,
@@ -432,7 +433,9 @@ def get_mop_mode_code(self, mop_mode: str) -> int:
     def current_map(self) -> int | None:
         """Returns the current map ID if the map is present."""
         if self.map_status is not None:
-            return self.map_status >> 2
+            map_flag = self.map_status >> 2
+            if map_flag != NO_MAP:
+                return map_flag
         return None
 
 

tests/test_containers.py

@@ -1,6 +1,5 @@
 """Test cases for the containers module."""
 
-import copy
 from dataclasses import dataclass
 from typing import Any
 
@@ -488,8 +487,10 @@ def test_accurate_map_flag() -> None:
     """Test that we parse the map flag accurately."""
     s = S7MaxVStatus.from_dict(STATUS)
     assert s.current_map == 0
-    s = S7MaxVStatus.from_dict({
-	        **STATUS,
-	        "map_status": 252,  # Code for no map
-	})
-    assert s.current_map == 63
+    s = S7MaxVStatus.from_dict(
+        {
+            **STATUS,
+            "map_status": 252,  # Code for no map
+        }
+    )
+    assert s.current_map is None