wren node: untrained targets left out of the prompt, a read beside a held-back set goes on whole

backend/tests/flow/test_wren.py

@@ -295,6 +295,8 @@ def test_a_target_the_model_was_not_trained_on_is_never_applied(fake_wren):
 
     fake_wren.answer = [fake_wren.Call("canopy", "DOWN")]
     out = node.execute({"house.command": "close the awning"})
+    # The model is not shown the targets it never learnt.
+    assert [t.name for t in fake_wren.targets[0]] == ["living_room_heating"]
     assert out is not None
     assert [a["applied"] for a in out["house.actions"]] == [False]
     assert out["house.unhandled"] == "close the awning"
@@ -325,6 +327,24 @@ def test_a_read_is_answered_from_the_target_value(fake_wren):
     assert out["house.unhandled"] == command
 
 
+def test_a_read_beside_a_set_not_written_goes_on_whole(fake_wren):
+    node = _node(
+        fake_wren, ("kitchen_light", DType.BOOL), inputs=[OUTDOOR], saying=True
+    )
+    fake_wren.answer = [
+        fake_wren.Call("outdoor_temperature"),
+        fake_wren.Call("kitchen_light", True),
+    ]
+    command = "how warm is it outside and turn on the kitchen light"
+
+    out = node.execute({"house.command": command, "house.outdoor": 6.2})
+
+    assert out is not None
+    assert [a["applied"] for a in out["house.actions"]] == [False, False]
+    assert out["house.unhandled"] == command
+    assert "house.reply" not in out or out["house.reply"] == CANT
+
+
 def test_a_delayed_call_is_held_by_the_work_queue(fake_wren, monkeypatch):
     node = _node(fake_wren, ("kitchen_light", DType.BOOL), saying=True, apply=True)
     deferred: list[tuple[dict[str, Any], float]] = []