update foods and units for multitenant support

tests/utils/routes.py

@@ -0,0 +1,21 @@
+from pydantic import UUID4
+
+
+class _RoutesBase:
+    prefix = "/api"
+    base = f"{prefix}/"
+
+    def __init__(self) -> None:
+        raise Exception("This class is not meant to be instantiated.")
+
+    @classmethod
+    def item(cls, item_id: int | str | UUID4) -> str:
+        return f"{cls.base}/{item_id}"
+
+
+class RoutesFoods(_RoutesBase):
+    base = "/api/foods"
+
+
+class RoutesUnits(_RoutesBase):
+    base = "/api/units"