429 files

custom_components/spook/ectoplasms/number/services/increment.py

@@ -29,11 +29,18 @@ class SpookService(AbstractSpookEntityComponentService[NumberEntity]):
         call: ServiceCall,
     ) -> None:
         """Handle the service call."""
-        amount = call.data.get("amount", entity.step or 1)
-        if not math.isclose(amount % entity.step, 0, abs_tol=1e-9):
+        step = entity.step or 1
+        amount = call.data.get("amount", step)
+        remainder = amount % step
+        # Float modulo wraps around just short of the step, 0.3 % 0.1 is
+        # 0.09999999999999998, so a remainder against either end is a clean multiple.
+        if not (
+            math.isclose(remainder, 0, rel_tol=0, abs_tol=1e-9)
+            or math.isclose(remainder, step, rel_tol=0, abs_tol=1e-9)
+        ):
             msg = (
                 f"Amount {amount} not valid for {entity.entity_id}, "
-                f"it needs to be a multiple of {entity.step}"
+                f"it needs to be a multiple of {step}"
             )
             raise ValueError(msg)