wren node takes switches (plug, socket, appliances), refused when the model lacks the kind

backend/tests/flow/conftest.py

@@ -34,7 +34,7 @@ class FakeWren:
         *("living room", "kitchen", "bathroom", "bedroom", "office"),
         *("garden", "patio", "garage", "driveway", "balcony"),
     ]
-    KINDS = ["light", "media", "heat", "shutter", "water"]
+    KINDS = ["light", "media", "heat", "shutter", "water", "switch"]
     Device = _Device
     House = _House
 

backend/tests/flow/test_wren.py

@@ -40,13 +40,21 @@ def test_targets_of_one_area_and_kind_are_one_device(fake_wren):
         ("living_room_setpoint", DType.FLOAT),
         ("living_room_boost", DType.BOOL),
         ("kitchen_lamp", DType.BOOL),
+        ("office_plug", DType.BOOL),
     )
     assert node.devices == {
         ("living room", "heat"): ["living_room_setpoint", "living_room_boost"],
         ("kitchen", "light"): ["kitchen_lamp"],
+        ("office", "switch"): ["office_plug"],
     }
 
 
+def test_a_kind_the_model_does_not_know_is_refused(fake_wren, monkeypatch):
+    monkeypatch.setattr(fake_wren, "KINDS", ["light"])
+    with pytest.raises(ValueError, match="switch"):
+        _node(("office_plug", DType.BOOL))
+
+
 @pytest.mark.parametrize("port", ["hallway_light", "kitchen_fridge", "light"])
 def test_a_port_naming_no_trained_device_is_refused(fake_wren, port):
     with pytest.raises(ValueError, match="living_room") as refused:
@@ -87,6 +95,7 @@ def test_the_model_reads_the_command_plain():
         ("heating.set", {"temp": 22}, DType.BOOL, None),
         ("heating.boost", {}, DType.BOOL, True),
         ("heating.boost", {}, DType.INT, None),
+        ("switches.off", {}, DType.INT, 0),
         ("sensors.temperature", {"area": "kitchen"}, DType.FLOAT, None),
     ],
 )